From dffe2570634267414d7079bf175abb6f1ec7ffc1 Mon Sep 17 00:00:00 2001 From: Mattt Thompson Date: Tue, 31 May 2011 16:27:34 -0500 Subject: [PATCH] Initial import --- AFCallback.h | 36 + AFCallback.m | 60 + AFGowallaAPI.h | 52 + AFGowallaAPI.m | 171 + AFHTTPOperation.h | 69 + AFHTTPOperation.m | 106 + AFImageRequest.h | 38 + AFImageRequest.m | 73 + AFImageRequestOperation.h | 72 + AFImageRequestOperation.m | 140 + AFNetworkingExample.xcodeproj/project.pbxproj | 440 + .../contents.xcworkspacedata | 7 + .../UserInterfaceState.xcuserstate | 8039 +++++++++++++++++ .../WorkspaceSettings.xcsettings | 10 + .../xcschemes/AFNetworkingExample.xcscheme | 76 + .../xcschemes/xcschememanagement.plist | 22 + AFNetworkingExample/AppDelegate.h | 32 + AFNetworkingExample/AppDelegate.m | 50 + .../Controllers/NearbySpotsViewController.h | 33 + .../Controllers/NearbySpotsViewController.m | 174 + AFNetworkingExample/Classes/Models/Spot.h | 45 + AFNetworkingExample/Classes/Models/Spot.m | 79 + .../Classes/Views/SpotTableViewCell.h | 30 + .../Classes/Views/SpotTableViewCell.m | 106 + .../Images/placeholder-stamp.png | Bin 0 -> 3968 bytes .../Images/placeholder-stamp@2x.png | Bin 0 -> 5717 bytes AFNetworkingExample/Info.plist | 36 + AFNetworkingExample/Prefix.pch | 10 + AFNetworkingExample/Vendor/JSONKit/JSONKit.h | 251 + AFNetworkingExample/Vendor/JSONKit/JSONKit.m | 3011 ++++++ .../Vendor/TTT/TTTLocationFormatter.h | 83 + .../Vendor/TTT/TTTLocationFormatter.m | 299 + AFNetworkingExample/main.m | 31 + AFURLCache.h | 39 + AFURLCache.m | 159 + QHTTPOperation/QHTTPOperation.h | 245 + QHTTPOperation/QHTTPOperation.m | 653 ++ QHTTPOperation/QReachabilityOperation.h | 30 + QHTTPOperation/QReachabilityOperation.m | 111 + QHTTPOperation/QRunLoopOperation.h | 119 + QHTTPOperation/QRunLoopOperation.m | 359 + UIImage+AFNetworking.h | 28 + UIImage+AFNetworking.m | 81 + 43 files changed, 15505 insertions(+) create mode 100644 AFCallback.h create mode 100644 AFCallback.m create mode 100644 AFGowallaAPI.h create mode 100644 AFGowallaAPI.m create mode 100644 AFHTTPOperation.h create mode 100644 AFHTTPOperation.m create mode 100644 AFImageRequest.h create mode 100644 AFImageRequest.m create mode 100644 AFImageRequestOperation.h create mode 100644 AFImageRequestOperation.m create mode 100644 AFNetworkingExample.xcodeproj/project.pbxproj create mode 100644 AFNetworkingExample.xcodeproj/project.xcworkspace/contents.xcworkspacedata create mode 100644 AFNetworkingExample.xcodeproj/project.xcworkspace/xcuserdata/mattt.xcuserdatad/UserInterfaceState.xcuserstate create mode 100644 AFNetworkingExample.xcodeproj/project.xcworkspace/xcuserdata/mattt.xcuserdatad/WorkspaceSettings.xcsettings create mode 100644 AFNetworkingExample.xcodeproj/xcuserdata/mattt.xcuserdatad/xcschemes/AFNetworkingExample.xcscheme create mode 100644 AFNetworkingExample.xcodeproj/xcuserdata/mattt.xcuserdatad/xcschemes/xcschememanagement.plist create mode 100644 AFNetworkingExample/AppDelegate.h create mode 100644 AFNetworkingExample/AppDelegate.m create mode 100644 AFNetworkingExample/Classes/Controllers/NearbySpotsViewController.h create mode 100644 AFNetworkingExample/Classes/Controllers/NearbySpotsViewController.m create mode 100644 AFNetworkingExample/Classes/Models/Spot.h create mode 100644 AFNetworkingExample/Classes/Models/Spot.m create mode 100644 AFNetworkingExample/Classes/Views/SpotTableViewCell.h create mode 100644 AFNetworkingExample/Classes/Views/SpotTableViewCell.m create mode 100644 AFNetworkingExample/Images/placeholder-stamp.png create mode 100644 AFNetworkingExample/Images/placeholder-stamp@2x.png create mode 100644 AFNetworkingExample/Info.plist create mode 100644 AFNetworkingExample/Prefix.pch create mode 100644 AFNetworkingExample/Vendor/JSONKit/JSONKit.h create mode 100644 AFNetworkingExample/Vendor/JSONKit/JSONKit.m create mode 100644 AFNetworkingExample/Vendor/TTT/TTTLocationFormatter.h create mode 100644 AFNetworkingExample/Vendor/TTT/TTTLocationFormatter.m create mode 100644 AFNetworkingExample/main.m create mode 100644 AFURLCache.h create mode 100644 AFURLCache.m create mode 100644 QHTTPOperation/QHTTPOperation.h create mode 100644 QHTTPOperation/QHTTPOperation.m create mode 100644 QHTTPOperation/QReachabilityOperation.h create mode 100644 QHTTPOperation/QReachabilityOperation.m create mode 100644 QHTTPOperation/QRunLoopOperation.h create mode 100644 QHTTPOperation/QRunLoopOperation.m create mode 100644 UIImage+AFNetworking.h create mode 100644 UIImage+AFNetworking.m diff --git a/AFCallback.h b/AFCallback.h new file mode 100644 index 0000000..0385ea9 --- /dev/null +++ b/AFCallback.h @@ -0,0 +1,36 @@ +// AFCallback.h +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import + +@protocol AFCallback ++ (id)callbackWithSuccess:(id)success; ++ (id)callbackWithSuccess:(id)success error:(id)error; +@end + +@interface AFCallback : NSObject { +@private + id _successBlock; + id _errorBlock; +} + +@end \ No newline at end of file diff --git a/AFCallback.m b/AFCallback.m new file mode 100644 index 0000000..db7f1a9 --- /dev/null +++ b/AFCallback.m @@ -0,0 +1,60 @@ +// AFCallback.m +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import "AFCallback.h" + +@interface AFCallback () +@property (readwrite, nonatomic, copy) id successBlock; +@property (readwrite, nonatomic, copy) id errorBlock; +@end + +@implementation AFCallback +@synthesize successBlock = _successBlock; +@synthesize errorBlock = _errorBlock; + ++ (id)callbackWithSuccess:(id)success { + return [self callbackWithSuccess:success error:nil]; +} + ++ (id)callbackWithSuccess:(id)success error:(id)error { + id callback = [[[self alloc] init] autorelease]; + [callback setSuccessBlock:success]; + [callback setErrorBlock:error]; + + return callback; +} + +- (id)init { + if ([self class] == [AFCallback class]) { + [NSException raise:NSInternalInconsistencyException format:@"You must override %@ in a subclass", NSStringFromSelector(_cmd)]; + } + + return [super init]; +} + +- (void)dealloc { + [_successBlock release]; + [_errorBlock release]; + [super dealloc]; +} + +@end \ No newline at end of file diff --git a/AFGowallaAPI.h b/AFGowallaAPI.h new file mode 100644 index 0000000..41bdd45 --- /dev/null +++ b/AFGowallaAPI.h @@ -0,0 +1,52 @@ +// AFGowallaAPI.h +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import +#import "AFHTTPOperation.h" + +extern NSString * const kAFGowallaClientID; +extern NSString * const kAFGowallaClientSecret; + +@interface AFGowallaAPI : NSObject + ++ (NSString *)defaultValueForHeader:(NSString *)header; ++ (void)setDefaultHeader:(NSString *)header value:(NSString *)value; ++ (void)setAuthorizationHeaderWithToken:(NSString *)token; ++ (void)clearAuthorizationHeader; + ++ (NSMutableURLRequest *)requestWithMethod:(NSString *)method path:(NSString *)path parameters:(NSDictionary *)parameters; ++ (void)enqueueHTTPOperationWithRequest:(NSURLRequest *)request callback:(AFHTTPOperationCallback *)callback; ++ (void)enqueueHTTPOperation:(AFHTTPOperation *)operation; + ++ (void)getPath:(NSString *)path parameters:(NSDictionary *)parameters callback:(AFHTTPOperationCallback *)callback; ++ (void)postPath:(NSString *)path parameters:(NSDictionary *)parameters callback:(AFHTTPOperationCallback *)callback; ++ (void)putPath:(NSString *)path parameters:(NSDictionary *)parameters callback:(AFHTTPOperationCallback *)callback; ++ (void)deletePath:(NSString *)path parameters:(NSDictionary *)parameters callback:(AFHTTPOperationCallback *)callback; + +@end + +#pragma mark - NSString + AFGowallaAPI + +@interface NSString (AFGowallaAPI) +- (NSString *)urlEncodedString; +- (NSString *)urlEncodedStringWithEncoding:(NSStringEncoding)encoding; +@end \ No newline at end of file diff --git a/AFGowallaAPI.m b/AFGowallaAPI.m new file mode 100644 index 0000000..de92864 --- /dev/null +++ b/AFGowallaAPI.m @@ -0,0 +1,171 @@ +// AFGowallaAPI.m +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import "AFGowallaAPI.h" +#import "AFHTTPOperation.h" + +// Replace this with your own API Key, available at http://api.gowalla.com/api/keys/ +NSString * const kAFGowallaClientID = @"e7ccb7d3d2414eb2af4663fc91eb2793"; + +static NSString * const kAFGowallaBaseURLString = @"https://api.gowalla.com/"; + +static NSStringEncoding const kAFStringEncoding = NSUTF8StringEncoding; + +static NSMutableDictionary *_defaultHeaders = nil; +static NSOperationQueue *_operationQueue = nil; + +@implementation AFGowallaAPI + ++ (void)initialize { + _operationQueue = [[NSOperationQueue alloc] init]; + [_operationQueue setMaxConcurrentOperationCount:2]; + + _defaultHeaders = [[NSMutableDictionary alloc] init]; + + // Accept HTTP Header; see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.1 + [self setDefaultHeader:@"Accept" value:@"application/json"]; + + // Accept-Encoding HTTP Header; see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.3 + [self setDefaultHeader:@"Accept-Encoding" value:@"gzip"]; + + // Accept-Language HTTP Header; see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.4 + NSString *preferredLanguageCodes = [[NSLocale preferredLanguages] componentsJoinedByString:@", "]; + [self setDefaultHeader:@"Accept-Language" value:[NSString stringWithFormat:@"%@, en-us;q=0.8", preferredLanguageCodes]]; + + // User-Agent Header; see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.43 + [self setDefaultHeader:@"User-Agent" value:[NSString stringWithFormat:@"AFNetworkingExample/%@ (%@, %@ %@, %@, Scale/%f)", [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"], @"unknown", [[UIDevice currentDevice] systemName], [[UIDevice currentDevice] systemVersion], [[UIDevice currentDevice] model], ([[UIScreen mainScreen] respondsToSelector:@selector(scale)] ? [[UIScreen mainScreen] scale] : 1.0)]]; + + // X-Gowalla-API-Key HTTP Header; see http://api.gowalla.com/api/docs + [self setDefaultHeader:@"X-Gowalla-API-Key" value:kAFGowallaClientID]; + + // X-Gowalla-API-Version HTTP Header; see http://api.gowalla.com/api/docs + [self setDefaultHeader:@"X-Gowalla-API-Version" value:@"1"]; + + // X-UDID HTTP Header + [self setDefaultHeader:@"X-UDID" value:[[UIDevice currentDevice] uniqueIdentifier]]; +} + ++ (NSString *)defaultValueForHeader:(NSString *)header { + return [_defaultHeaders valueForKey:header]; +} + ++ (void)setDefaultHeader:(NSString *)header value:(NSString *)value { + [_defaultHeaders setObject:value forKey:header]; +} + ++ (void)setAuthorizationHeaderWithToken:(NSString *)token { + [self setDefaultHeader:@"Authorization" value:[NSString stringWithFormat:@"Token token=\"%@\"", token]]; +} + ++ (void)clearAuthorizationHeader { + [_defaultHeaders removeObjectForKey:@"Authorization"]; +} + ++ (NSMutableURLRequest *)requestWithMethod:(NSString *)method path:(NSString *)path parameters:(NSDictionary *)parameters { + NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] init] autorelease]; + NSMutableDictionary *headers = [_defaultHeaders mutableCopy]; + NSURL *url = nil; + + NSMutableArray *mutableParameterComponents = [NSMutableArray array]; + for (id key in [parameters allKeys]) { + NSString *component = [NSString stringWithFormat:@"%@=%@", [key urlEncodedStringWithEncoding:kAFStringEncoding], [[parameters valueForKey:key] urlEncodedStringWithEncoding:kAFStringEncoding]]; + [mutableParameterComponents addObject:component]; + } + NSString *queryString = [mutableParameterComponents componentsJoinedByString:@"&"]; + + if ([method isEqualToString:@"GET"]) { + path = [path stringByAppendingFormat:[path rangeOfString:@"?"].location == NSNotFound ? @"?%@" : @"&%@", queryString]; + url = [NSURL URLWithString:path relativeToURL:[NSURL URLWithString:kAFGowallaBaseURLString]]; + } else { + url = [NSURL URLWithString:path relativeToURL:[NSURL URLWithString:kAFGowallaBaseURLString]]; + NSString *charset = (NSString *)CFStringConvertEncodingToIANACharSetName(CFStringConvertNSStringEncodingToEncoding(kAFStringEncoding)); + [headers setObject:[NSString stringWithFormat:@"application/x-www-form-urlencoded; charset=%@", charset] forKey:@"Content-Type"]; + [request setHTTPBody:[queryString dataUsingEncoding:NSUTF8StringEncoding]]; + } + + [request setURL:url]; + [request setHTTPMethod:method]; + [request setHTTPShouldHandleCookies:NO]; + [request setAllHTTPHeaderFields:headers]; + + return request; +} + ++ (void)enqueueHTTPOperationWithRequest:(NSURLRequest *)request callback:(AFHTTPOperationCallback *)callback { + if ([request URL] == nil || [[request URL] isEqual:[NSNull null]]) { + return; + } + + AFHTTPOperation *operation = [[[AFHTTPOperation alloc] initWithRequest:request callback:callback] autorelease]; + [self enqueueHTTPOperation:operation]; +} + ++ (void)enqueueHTTPOperation:(AFHTTPOperation *)operation { + [_operationQueue addOperation:operation]; +} + +#pragma mark - +#pragma mark HTTP Methods + ++ (void)getPath:(NSString *)path parameters:(NSDictionary *)parameters callback:(AFHTTPOperationCallback *)callback { + NSURLRequest *request = [self requestWithMethod:@"GET" path:path parameters:parameters]; + [self enqueueHTTPOperationWithRequest:request callback:callback]; +} + ++ (void)postPath:(NSString *)path parameters:(NSDictionary *)parameters callback:(AFHTTPOperationCallback *)callback { + NSURLRequest *request = [self requestWithMethod:@"POST" path:path parameters:parameters]; + [self enqueueHTTPOperationWithRequest:request callback:callback]; +} + ++ (void)putPath:(NSString *)path parameters:(NSDictionary *)parameters callback:(AFHTTPOperationCallback *)callback { + NSURLRequest *request = [self requestWithMethod:@"PUT" path:path parameters:parameters]; + [self enqueueHTTPOperationWithRequest:request callback:callback]; +} + ++ (void)deletePath:(NSString *)path parameters:(NSDictionary *)parameters callback:(AFHTTPOperationCallback *)callback { + NSURLRequest *request = [self requestWithMethod:@"DELETE" path:path parameters:parameters]; + [self enqueueHTTPOperationWithRequest:request callback:callback]; +} + +@end + +#pragma mark - +#pragma mark - + +@implementation NSString (AFGowallaAPI) + +// See http://github.com/pokeb/asi-http-request/raw/master/Classes/ASIFormDataRequest.m +- (NSString*)urlEncodedString { + return [self urlEncodedStringWithEncoding:NSUTF8StringEncoding]; +} + +- (NSString *)urlEncodedStringWithEncoding:(NSStringEncoding)encoding { + NSString *newString = [(NSString *)CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, (CFStringRef)self, NULL, CFSTR(":/?#[]@!$ &'()*+,;=\"<>%{}|\\^~`"), CFStringConvertNSStringEncodingToEncoding(encoding)) autorelease]; + + if (newString) { + return newString; + } + + return @""; +} + +@end diff --git a/AFHTTPOperation.h b/AFHTTPOperation.h new file mode 100644 index 0000000..6eb977a --- /dev/null +++ b/AFHTTPOperation.h @@ -0,0 +1,69 @@ +// AFHTTPOperation.h +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import +#import "QHTTPOperation.h" +#import "AFCallback.h" + +extern NSString * const AFHTTPOperationDidStartNotification; +extern NSString * const AFHTTPOperationDidSucceedNotification; +extern NSString * const AFHTTPOperationDidFailNotification; + +extern NSString * const AFHTTPOperationParsedDataErrorKey; + +@class AFHTTPOperationCallback; + +// QHTTPOperation/NSOperation subclass that provides JSON parsing and started/finished notifications. +// +// Usage: +// NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://apple.com"]]; +// AFHTTPOperation *op = [[[AFHTTPOperation alloc] initWithRequest:request] autorelease]; +// [[NSOperationQueue mainQueue] addOperation:op]; +// +@interface AFHTTPOperation : QHTTPOperation { +@private + AFHTTPOperationCallback *_callback; +} + +@property (nonatomic, retain) AFHTTPOperationCallback *callback; +@property (readonly) NSString *responseString; + ++ (id)operationWithRequest:(NSURLRequest *)urlRequest callback:(AFHTTPOperationCallback *)callback; +- (id)initWithRequest:(NSURLRequest *)urlRequest callback:(AFHTTPOperationCallback *)callback; + +@end + +#pragma mark - AFHTTPOperationCallback + +typedef void (^AFHTTPOperationSuccessBlock)(NSURLRequest *request, NSHTTPURLResponse *response, NSDictionary *data); +typedef void (^AFHTTPOperationErrorBlock)(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error); + +@protocol AFHTTPOperationCallback +@optional ++ (id)callbackWithSuccess:(AFHTTPOperationSuccessBlock)success; ++ (id)callbackWithSuccess:(AFHTTPOperationSuccessBlock)success error:(AFHTTPOperationErrorBlock)error; +@end + +@interface AFHTTPOperationCallback : AFCallback +@property (readwrite, nonatomic, copy) AFHTTPOperationSuccessBlock successBlock; +@property (readwrite, nonatomic, copy) AFHTTPOperationErrorBlock errorBlock; +@end \ No newline at end of file diff --git a/AFHTTPOperation.m b/AFHTTPOperation.m new file mode 100644 index 0000000..37286bb --- /dev/null +++ b/AFHTTPOperation.m @@ -0,0 +1,106 @@ +// AFHTTPOperation.m +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import "AFHTTPOperation.h" +#import "JSONKit.h" + +NSString * const AFHTTPOperationDidStartNotification = @"com.alamofire.http-operation.start"; +NSString * const AFHTTPOperationDidSucceedNotification = @"com.alamofire.http-operation.success"; +NSString * const AFHTTPOperationDidFailNotification = @"com.alamofire.http-operation.failure"; + +NSString * const AFHTTPOperationParsedDataErrorKey = @"com.alamofire.http-operation.error.parsed-data"; + +@implementation AFHTTPOperation +@synthesize callback = _callback; + ++ (id)operationWithRequest:(NSURLRequest *)urlRequest callback:(AFHTTPOperationCallback *)callback { + return [[[self alloc] initWithRequest:urlRequest callback:callback] autorelease]; +} + +- (id)initWithRequest:(NSURLRequest *)urlRequest callback:(AFHTTPOperationCallback *)callback { + self = [super initWithRequest:urlRequest]; + if (!self) { + return nil; + } + + self.acceptableContentTypes = [NSSet setWithObjects:@"application/json", @"text/plain", nil]; + self.callback = callback; + + return self; +} + +- (void)dealloc { + [_callback release]; + [super dealloc]; +} + +- (NSString *)responseString { + return [[[NSString alloc] initWithData:self.responseBody encoding:NSUTF8StringEncoding] autorelease]; +} + +#pragma mark - QRunLoopOperation + +- (void)operationDidStart { + [super operationDidStart]; + [[NSNotificationCenter defaultCenter] postNotificationName:AFHTTPOperationDidStartNotification object:self]; +} + +- (void)finishWithError:(NSError *)error { + [super finishWithError:error]; + + NSDictionary *data = nil; + if (self.contentTypeAcceptable) { + if ([[self.lastResponse MIMEType] isEqualToString:@"application/json"]) { + NSError *jsonError = nil; + data = [[JSONDecoder decoder] parseJSONData:self.responseBody error:&jsonError]; + } + } + + if (self.statusCodeAcceptable) { + [[NSNotificationCenter defaultCenter] postNotificationName:AFHTTPOperationDidSucceedNotification object:self]; + + if(self.callback.successBlock) { + self.callback.successBlock(self.lastRequest, self.lastResponse, data); + } + } else { + [[NSNotificationCenter defaultCenter] postNotificationName:AFHTTPOperationDidFailNotification object:self]; + + NSMutableDictionary *userInfo = [NSMutableDictionary dictionaryWithDictionary:[error userInfo]]; + [userInfo setValue:[NSHTTPURLResponse localizedStringForStatusCode:[self.lastResponse statusCode]] forKey:NSLocalizedDescriptionKey]; + [userInfo setValue:[[self.lastRequest URL] absoluteString] forKey:NSURLErrorFailingURLStringErrorKey]; + [userInfo setValue:data forKey:AFHTTPOperationParsedDataErrorKey]; + + error = [[NSError alloc] initWithDomain:NSURLErrorDomain code:[self.lastResponse statusCode] userInfo:userInfo]; + + if (self.callback.errorBlock) { + self.callback.errorBlock(self.lastRequest, self.lastResponse, error); + } + } +} + +@end + +#pragma mark - AFHTTPOperationCallback + +@implementation AFHTTPOperationCallback +@dynamic successBlock, errorBlock; +@end \ No newline at end of file diff --git a/AFImageRequest.h b/AFImageRequest.h new file mode 100644 index 0000000..a43da5f --- /dev/null +++ b/AFImageRequest.h @@ -0,0 +1,38 @@ +// AFImageRequest.h +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import "AFImageRequestOperation.h" + +@protocol AFImageRequester +@required +- (void)setImageURLString:(NSString *)urlString; +- (void)setImageURLString:(NSString *)urlString options:(AFImageRequestOptions)options; +@optional +@property (nonatomic, copy) NSString *imageURLString; +@end + +@interface AFImageRequest : NSObject + ++ (void)requestImageWithURLString:(NSString *)urlString options:(AFImageRequestOptions)options block:(void (^)(UIImage *image))block; ++ (void)requestImageWithURLString:(NSString *)urlString size:(CGSize)imageSize options:(AFImageRequestOptions)options block:(void (^)(UIImage *image))block; + +@end diff --git a/AFImageRequest.m b/AFImageRequest.m new file mode 100644 index 0000000..7e20e4a --- /dev/null +++ b/AFImageRequest.m @@ -0,0 +1,73 @@ +// AFImageRequest.m +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import "AFImageRequest.h" +#import "AFImageRequestOperation.h" +#import "AFURLCache.h" + +static NSOperationQueue *_operationQueue = nil; +static NSMutableSet *_cachedRequests = nil; + +@implementation AFImageRequest + ++ (void)initialize { + _operationQueue = [[NSOperationQueue alloc] init]; + [_operationQueue setMaxConcurrentOperationCount:6]; + + _cachedRequests = [[NSMutableSet alloc] init]; +} + ++ (void)requestImageWithURLString:(NSString *)urlString options:(AFImageRequestOptions)options block:(void (^)(UIImage *image))block { + [self requestImageWithURLString:urlString size:CGSizeZero options:options block:block]; +} + ++ (void)requestImageWithURLString:(NSString *)urlString size:(CGSize)imageSize options:(AFImageRequestOptions)options block:(void (^)(UIImage *image))block { + // Append a hash to the image URL so that unique image options get cached separately + NSString *cacheKey = [NSString stringWithFormat:@"%fx%f:%d", imageSize.width, imageSize.height, options]; + NSURL *url = [NSURL URLWithString:[urlString stringByAppendingString:[NSString stringWithFormat:@"#%@", cacheKey]]]; + if (!url) { + if (block) { + block(nil); + } + return; + } + + NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLCacheStorageAllowed timeoutInterval:30.0]; + [request setHTTPShouldHandleCookies:NO]; + + AFImageRequestOperationCallback *callback = [AFImageRequestOperationCallback callbackWithSuccess:block]; + callback.options = options; + callback.imageSize = imageSize; + AFImageRequestOperation *operation = [[[AFImageRequestOperation alloc] initWithRequest:request callback:callback] autorelease]; + + NSCachedURLResponse *cachedResponse = [[[[AFURLCache sharedURLCache] cachedResponseForRequest:request] retain] autorelease]; + if (cachedResponse) { + if (block) { + block([UIImage imageWithData:[cachedResponse data]]); + return; + } + } + + [_operationQueue addOperation:operation]; +} + +@end diff --git a/AFImageRequestOperation.h b/AFImageRequestOperation.h new file mode 100644 index 0000000..a02e7ba --- /dev/null +++ b/AFImageRequestOperation.h @@ -0,0 +1,72 @@ +// AFImageRequestOperation.h +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import +#import +#import "QHTTPOperation.h" +#import "AFCallback.h" + +typedef enum { + AFImageRequestResize = 1 << 1, + AFImageRequestRoundCorners = 1 << 2, + AFImageCacheProcessedImage = 1 << 0xA, + AFImageRequestDefaultOptions = AFImageRequestResize, +} AFImageRequestOptions; + +@class AFImageRequestOperationCallback; + +@interface AFImageRequestOperation : QHTTPOperation { +@private + AFImageRequestOperationCallback *_callback; +} + +@property (nonatomic, retain) AFImageRequestOperationCallback *callback; + +- (id)initWithRequest:(NSURLRequest *)someRequest callback:(AFImageRequestOperationCallback *)someCallback; + +@end + +#pragma mark - AFHTTPOperationCallback + +typedef void (^AFImageRequestOperationSuccessBlock)(UIImage *image); +typedef void (^AFImageRequestOperationErrorBlock)(NSError *error); + +@protocol AFImageRequestOperationCallback +@optional ++ (id)callbackWithSuccess:(AFImageRequestOperationSuccessBlock)success; ++ (id)callbackWithSuccess:(AFImageRequestOperationSuccessBlock)success error:(AFImageRequestOperationErrorBlock)error; +@end + +@interface AFImageRequestOperationCallback : AFCallback { +@private + CGSize _imageSize; + AFImageRequestOptions _options; +} + +@property (readwrite, nonatomic, assign) CGSize imageSize; +@property (readwrite, nonatomic, assign) AFImageRequestOptions options; + +@property (readwrite, nonatomic, copy) AFImageRequestOperationSuccessBlock successBlock; +@property (readwrite, nonatomic, copy) AFImageRequestOperationErrorBlock errorBlock; + ++ (id)callbackWithSuccess:(AFImageRequestOperationSuccessBlock)success imageSize:(CGSize)imageSize options:(AFImageRequestOptions)options; +@end \ No newline at end of file diff --git a/AFImageRequestOperation.m b/AFImageRequestOperation.m new file mode 100644 index 0000000..55772f5 --- /dev/null +++ b/AFImageRequestOperation.m @@ -0,0 +1,140 @@ +// AFImageRequestOperation.m +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import "AFImageRequestOperation.h" +#import "AFURLCache.h" + +#import "UIImage+AFNetworking.h" + +const CGFloat kAFImageRequestJPEGQuality = 0.8; +const NSUInteger kAFImageRequestMaximumResponseSize = 8 * 1024 * 1024; +static inline CGSize kAFImageRequestRoundedCornerRadii(CGSize imageSize) { + CGFloat dimension = fmaxf(imageSize.width, imageSize.height); + return CGSizeMake(dimension, dimension); +} + +@implementation AFImageRequestOperation +@synthesize callback; + +- (id)initWithRequest:(NSURLRequest *)someRequest callback:(AFImageRequestOperationCallback *)someCallback { + self = [super initWithRequest:someRequest]; + if (!self) { + return nil; + } + + self.maximumResponseSize = kAFImageRequestMaximumResponseSize; + + NSMutableIndexSet *statusCodes = [NSMutableIndexSet indexSetWithIndex:0]; + [statusCodes addIndexesInRange:NSMakeRange(200, 100)]; + self.acceptableStatusCodes = statusCodes; + self.acceptableContentTypes = [NSSet setWithObjects:@"image/png", @"image/jpeg", @"image/pjpeg", @"image/gif", @"application/x-0", nil]; + self.callback = someCallback; + + if (self.callback) { + self.runLoopModes = [NSSet setWithObjects:NSRunLoopCommonModes, NSDefaultRunLoopMode, nil]; + } + + return self; +} + +#pragma mark - QHTTPRequestOperation + +// QHTTPRequestOperation requires this to return an NSHTTPURLResponse, but in certain circumstances, +// this method would otherwise return an instance of its superclass, NSURLResponse +- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response { + if([response isKindOfClass:[NSHTTPURLResponse class]]) { + [super connection:connection didReceiveResponse:response]; + } else { + [super connection:connection didReceiveResponse:[[[NSHTTPURLResponse alloc] initWithURL:[response URL] MIMEType:[response MIMEType] expectedContentLength:[response expectedContentLength] textEncodingName:[response textEncodingName]] autorelease]]; + } +} + +#pragma mark - QRunLoopOperation + +- (void)finishWithError:(NSError *)error { + [super finishWithError:error]; + + if (error) { + if (callback.errorBlock) { + callback.errorBlock(error); + } + + return; + } + + UIImage *image = nil; + if ([[UIScreen mainScreen] scale] == 2.0) { + CGImageRef imageRef = [UIImage imageWithData:self.responseBody].CGImage; + image = [UIImage imageWithCGImage:imageRef scale:2.0 orientation:UIImageOrientationUp]; + } else { + image = [UIImage imageWithData:self.responseBody]; + } + + BOOL didProcessingOnImage = NO; + + if ((self.callback.options & AFImageRequestResize) && !(CGSizeEqualToSize(image.size, self.callback.imageSize) || CGSizeEqualToSize(self.callback.imageSize, CGSizeZero))) { + image = [UIImage imageByScalingAndCroppingImage:image size:self.callback.imageSize]; + didProcessingOnImage = YES; + } + if ((self.callback.options & AFImageRequestRoundCorners)) { + image = [UIImage imageByRoundingCornersOfImage:image corners:UIRectCornerAllCorners cornerRadii:kAFImageRequestRoundedCornerRadii(image.size)]; + didProcessingOnImage = YES; + } + + + if (self.callback.successBlock) { + self.callback.successBlock(image); + } + + if ((self.callback.options & AFImageCacheProcessedImage) && didProcessingOnImage) { + NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; + NSData *processedImageData = nil; + if ((self.callback.options & AFImageRequestRoundCorners) || [[[[self.lastRequest URL] path] pathExtension] isEqualToString:@"png"]) { + processedImageData = UIImagePNGRepresentation(image); + } else { + processedImageData = UIImageJPEGRepresentation(image, kAFImageRequestJPEGQuality); + } + NSURLResponse *response = [[[NSURLResponse alloc] initWithURL:[self.lastRequest URL] MIMEType:[self.lastResponse MIMEType] expectedContentLength:[processedImageData length] textEncodingName:[self.lastResponse textEncodingName]] autorelease]; + NSCachedURLResponse *cachedResponse = [[[NSCachedURLResponse alloc] initWithResponse:response data:processedImageData] autorelease]; + [[AFURLCache sharedURLCache] storeCachedResponse:cachedResponse forRequest:self.lastRequest]; + [pool drain]; + } +} + +@end + +#pragma mark - AFHTTPOperationCallback + +@implementation AFImageRequestOperationCallback : AFCallback +@synthesize options = _options; +@synthesize imageSize = _imageSize; +@dynamic successBlock, errorBlock; + ++ (id)callbackWithSuccess:(AFImageRequestOperationSuccessBlock)success imageSize:(CGSize)imageSize options:(AFImageRequestOptions)options { + id callback = [self callbackWithSuccess:success]; + [callback setImageSize:imageSize]; + [callback setOptions:options]; + + return callback; +} + +@end \ No newline at end of file diff --git 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a/AFNetworkingExample.xcodeproj/xcuserdata/mattt.xcuserdatad/xcschemes/AFNetworkingExample.xcscheme b/AFNetworkingExample.xcodeproj/xcuserdata/mattt.xcuserdatad/xcschemes/AFNetworkingExample.xcscheme new file mode 100644 index 0000000..955ce4b --- /dev/null +++ b/AFNetworkingExample.xcodeproj/xcuserdata/mattt.xcuserdatad/xcschemes/AFNetworkingExample.xcscheme @@ -0,0 +1,76 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/AFNetworkingExample.xcodeproj/xcuserdata/mattt.xcuserdatad/xcschemes/xcschememanagement.plist b/AFNetworkingExample.xcodeproj/xcuserdata/mattt.xcuserdatad/xcschemes/xcschememanagement.plist new file mode 100644 index 0000000..0f45e0f --- /dev/null +++ b/AFNetworkingExample.xcodeproj/xcuserdata/mattt.xcuserdatad/xcschemes/xcschememanagement.plist @@ -0,0 +1,22 @@ + + + + + SchemeUserState + + AFNetworkingExample.xcscheme + + orderHint + 0 + + + SuppressBuildableAutocreation + + F8E4695F1395739C00DB05C8 + + primary + + + + + diff --git a/AFNetworkingExample/AppDelegate.h b/AFNetworkingExample/AppDelegate.h new file mode 100644 index 0000000..d1d3588 --- /dev/null +++ b/AFNetworkingExample/AppDelegate.h @@ -0,0 +1,32 @@ +// AFNetworkingExampleAppDelegate.h +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import + +@interface AppDelegate : NSObject { + +} + +@property (nonatomic, retain) UIWindow *window; +@property (nonatomic, retain) UINavigationController *navigationController; + +@end diff --git a/AFNetworkingExample/AppDelegate.m b/AFNetworkingExample/AppDelegate.m new file mode 100644 index 0000000..dff50ea --- /dev/null +++ b/AFNetworkingExample/AppDelegate.m @@ -0,0 +1,50 @@ +// AFNetworkingExampleAppDelegate.m +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +#import "AppDelegate.h" +#import "NearbySpotsViewController.h" +#import "AFURLCache.h" + +@implementation AppDelegate +@synthesize window = _window; +@synthesize navigationController = _navigationController; + +- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { + AFURLCache *URLCache = [[[AFURLCache alloc] initWithMemoryCapacity:1024 * 1024 diskCapacity:1024 * 1024 * 5 diskPath:[AFURLCache defaultCachePath]] autorelease]; + [NSURLCache setSharedURLCache:URLCache]; + + UITableViewController *viewController = [[[NearbySpotsViewController alloc] init] autorelease]; + self.navigationController = [[[UINavigationController alloc] initWithRootViewController:viewController] autorelease]; + + self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease]; + self.window.backgroundColor = [UIColor whiteColor]; + self.window.rootViewController = self.navigationController; + [self.window makeKeyAndVisible]; + return YES; +} + +- (void)dealloc { + [_window release]; + [_navigationController release]; + [super dealloc]; +} + +@end diff --git a/AFNetworkingExample/Classes/Controllers/NearbySpotsViewController.h b/AFNetworkingExample/Classes/Controllers/NearbySpotsViewController.h new file mode 100644 index 0000000..63609ac --- /dev/null +++ b/AFNetworkingExample/Classes/Controllers/NearbySpotsViewController.h @@ -0,0 +1,33 @@ +// NearbySpotsViewController.h +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import +#import + +@interface NearbySpotsViewController : UITableViewController { + UIActivityIndicatorView *_activityIndicatorView; +} + +@property (readonly, nonatomic, retain) NSArray *nearbySpots; +@property (readonly, nonatomic, retain) CLLocationManager *locationManager; + +@end diff --git a/AFNetworkingExample/Classes/Controllers/NearbySpotsViewController.m b/AFNetworkingExample/Classes/Controllers/NearbySpotsViewController.m new file mode 100644 index 0000000..2d27750 --- /dev/null +++ b/AFNetworkingExample/Classes/Controllers/NearbySpotsViewController.m @@ -0,0 +1,174 @@ +// NearbySpotsViewController.m +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import "NearbySpotsViewController.h" +#import "Spot.h" +#import "SpotTableViewCell.h" +#import "TTTLocationFormatter.h" + +@interface NearbySpotsViewController () +@property (readwrite, nonatomic, retain) NSArray *nearbySpots; +@property (readwrite, nonatomic, retain) CLLocationManager *locationManager; +@property (readwrite, nonatomic, retain) UIActivityIndicatorView *activityIndicatorView; + +- (void)loadSpotsForLocation:(CLLocation *)location; +- (void)refresh:(id)sender; +@end + +static TTTLocationFormatter *__locationFormatter; + +@implementation NearbySpotsViewController +@synthesize nearbySpots = _spots; +@synthesize locationManager = _locationManager; +@synthesize activityIndicatorView = _activityIndicatorView; + ++ (void)initialize { + __locationFormatter = [[TTTLocationFormatter alloc] init]; + [__locationFormatter setUnitSystem:TTTImperialSystem]; +} + +- (id)init { + self = [super init]; + if (!self) { + return nil; + } + + self.nearbySpots = [NSArray array]; + + self.locationManager = [[[CLLocationManager alloc] init] autorelease]; + self.locationManager.delegate = self; + self.locationManager.distanceFilter = 80.0; + + return self; +} + +- (void)dealloc { + [_spots release]; + [_locationManager release]; + [_activityIndicatorView release]; + [super dealloc]; +} + +- (void)loadSpotsForLocation:(CLLocation *)location { + [self.activityIndicatorView startAnimating]; + self.navigationItem.rightBarButtonItem.enabled = NO; + + [Spot spotsWithURLString:@"/spots/advanced_search" near:location parameters:[NSDictionary dictionaryWithObject:@"128" forKey:@"per_page"] withBlock:^(NSArray *records) { + self.nearbySpots = [records sortedArrayUsingComparator:^ NSComparisonResult(id obj1, id obj2) { + CLLocationDistance d1 = [[(Spot *)obj1 location] distanceFromLocation:location]; + CLLocationDistance d2 = [[(Spot *)obj2 location] distanceFromLocation:location]; + + if (d1 < d2) { + return NSOrderedAscending; + } else if (d1 > d2) { + return NSOrderedDescending; + } else { + return NSOrderedSame; + } + }]; + + [self.tableView reloadData]; + + [self.activityIndicatorView stopAnimating]; + self.navigationItem.rightBarButtonItem.enabled = YES; + }]; +} + +#pragma mark - UIViewController + +- (void)viewDidLoad { + [super viewDidLoad]; + + self.title = NSLocalizedString(@"Nearby Spots", nil); + + self.activityIndicatorView = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite] autorelease]; + self.activityIndicatorView.hidesWhenStopped = YES; + self.navigationItem.leftBarButtonItem = [[[UIBarButtonItem alloc] initWithCustomView:self.activityIndicatorView] autorelease]; + + self.navigationItem.rightBarButtonItem = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self action:@selector(refresh:)] autorelease]; + self.navigationItem.rightBarButtonItem.enabled = NO; + + [self.navigationController.navigationBar setTintColor:[UIColor darkGrayColor]]; + + [self.locationManager startUpdatingLocation]; +} + +- (void)viewDidUnload { + [super viewDidUnload]; + [self.locationManager stopUpdatingLocation]; +} + +#pragma mark - CLLocationManagerDelegate + +- (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation { + [self loadSpotsForLocation:newLocation]; +} + +#pragma mark - Actions + +- (void)refresh:(id)sender { + self.nearbySpots = [NSArray array]; + [self.tableView reloadData]; + [[NSURLCache sharedURLCache] removeAllCachedResponses]; + + if (self.locationManager.location) { + [self loadSpotsForLocation:self.locationManager.location]; + } +} + +#pragma mark - UITableViewDelegate + +- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { + return 1; +} + +- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { + return [self.nearbySpots count]; +} + +- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { + return 70.0f; +} + +- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { + static NSString *CellIdentifier = @"Cell"; + + SpotTableViewCell *cell = (SpotTableViewCell *)[tableView dequeueReusableCellWithIdentifier:CellIdentifier]; + if (cell == nil) { + cell = [[[SpotTableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease]; + } + + Spot *spot = [self.nearbySpots objectAtIndex:indexPath.row]; + cell.textLabel.text = spot.name; + if (self.locationManager.location) { + cell.detailTextLabel.text = [__locationFormatter stringFromDistanceAndBearingFromLocation:self.locationManager.location toLocation:spot.location]; + } + cell.imageURLString = spot.imageURLString; + + return cell; +} + +- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { + [tableView deselectRowAtIndexPath:indexPath animated:YES]; +} + +@end diff --git a/AFNetworkingExample/Classes/Models/Spot.h b/AFNetworkingExample/Classes/Models/Spot.h new file mode 100644 index 0000000..2fa5e01 --- /dev/null +++ b/AFNetworkingExample/Classes/Models/Spot.h @@ -0,0 +1,45 @@ +// Spot.h +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import +#import + +typedef void (^AFRecordsBlock)(NSArray *records); + +@interface Spot : NSObject { +@private + NSString *_name; + NSString *_imageURLString; + NSNumber *_latitude; + NSNumber *_longitude; +} + +@property (nonatomic, retain) NSString *name; +@property (nonatomic, retain) NSString *imageURLString; +@property (nonatomic, retain) NSNumber *latitude; +@property (nonatomic, retain) NSNumber *longitude; +@property (readonly) CLLocation *location; + +- (id)initWithAttributes:(NSDictionary *)attributes; ++ (void)spotsWithURLString:(NSString *)urlString near:(CLLocation *)location parameters:(NSDictionary *)parameters withBlock:(AFRecordsBlock)block; + +@end diff --git a/AFNetworkingExample/Classes/Models/Spot.m b/AFNetworkingExample/Classes/Models/Spot.m new file mode 100644 index 0000000..53426e1 --- /dev/null +++ b/AFNetworkingExample/Classes/Models/Spot.m @@ -0,0 +1,79 @@ +// Spot.m +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +#import "Spot.h" + +#import "AFGowallaAPI.h" + +@implementation Spot +@synthesize name = _name; +@synthesize imageURLString = _imageURLString; +@synthesize latitude = _latitude; +@synthesize longitude = _longitude; +@dynamic location; + +- (id)initWithAttributes:(NSDictionary *)attributes { + self = [super init]; + if (!self) { + return nil; + } + + self.name = [attributes valueForKeyPath:@"name"]; + self.imageURLString = [attributes valueForKeyPath:@"image_url"]; + self.latitude = [attributes valueForKeyPath:@"lat"]; + self.longitude = [attributes valueForKeyPath:@"lng"]; + + return self; +} + +- (void)dealloc { + [_name release]; + [_imageURLString release]; + [_latitude release]; + [_longitude release]; + [super dealloc]; +} + +- (CLLocation *)location { + return [[[CLLocation alloc] initWithLatitude:[self.latitude doubleValue] longitude:[self.longitude doubleValue]] autorelease]; +} + ++ (void)spotsWithURLString:(NSString *)urlString near:(CLLocation *)location parameters:(NSDictionary *)parameters withBlock:(AFRecordsBlock)block { + NSDictionary *mutableParameters = [NSMutableDictionary dictionaryWithDictionary:parameters]; + if (location) { + [mutableParameters setValue:[NSString stringWithFormat:@"%1.7f", location.coordinate.latitude] forKey:@"lat"]; + [mutableParameters setValue:[NSString stringWithFormat:@"%1.7f", location.coordinate.longitude] forKey:@"lng"]; + } + + [AFGowallaAPI getPath:urlString parameters:mutableParameters callback:[AFHTTPOperationCallback callbackWithSuccess:^(NSURLRequest *request, NSHTTPURLResponse *response, NSDictionary *data) { + if (block) { + NSMutableArray *mutableRecords = [NSMutableArray array]; + for (NSDictionary *attributes in [data valueForKeyPath:@"spots"]) { + Spot *spot = [[[Spot alloc] initWithAttributes:attributes] autorelease]; + [mutableRecords addObject:spot]; + } + + block([NSArray arrayWithArray:mutableRecords]); + } + }]]; +} + +@end diff --git a/AFNetworkingExample/Classes/Views/SpotTableViewCell.h b/AFNetworkingExample/Classes/Views/SpotTableViewCell.h new file mode 100644 index 0000000..375f8b4 --- /dev/null +++ b/AFNetworkingExample/Classes/Views/SpotTableViewCell.h @@ -0,0 +1,30 @@ +// SpotTableViewCell.h +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import +#import "AFImageRequest.h" + +@interface SpotTableViewCell : UITableViewCell { + NSString *_imageURLString; +} + +@end diff --git a/AFNetworkingExample/Classes/Views/SpotTableViewCell.m b/AFNetworkingExample/Classes/Views/SpotTableViewCell.m new file mode 100644 index 0000000..73a5a39 --- /dev/null +++ b/AFNetworkingExample/Classes/Views/SpotTableViewCell.m @@ -0,0 +1,106 @@ +// SpotTableViewCell.m +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import "SpotTableViewCell.h" + +@implementation SpotTableViewCell +@synthesize imageURLString = _imageURLString; + +- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier { + self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]; + if (!self) { + return nil; + } + + self.textLabel.textColor = [UIColor darkGrayColor]; + self.textLabel.numberOfLines = 2; + + self.detailTextLabel.textColor = [UIColor grayColor]; + + return self; +} + +- (void)dealloc { + [_imageURLString release]; + [super dealloc]; +} + +- (void)setImageURLString:(NSString *)imageURLString { + [self setImageURLString:imageURLString options:AFImageRequestResize | AFImageCacheProcessedImage]; +} + +- (void)setImageURLString:(NSString *)imageURLString options:(AFImageRequestOptions)options { + if ([_imageURLString isEqual:imageURLString]) { + return; + } + + if (_imageURLString) { + self.imageView.image = [UIImage imageNamed:@"placeholder-stamp.png"]; + } + + [self willChangeValueForKey:@"imageURLString"]; + [_imageURLString release]; + _imageURLString = [imageURLString copy]; + [self didChangeValueForKey:@"imageURLString"]; + + if (imageURLString) { + [AFImageRequest requestImageWithURLString:self.imageURLString size:CGSizeMake(50.0f, 50.0f) options:options block:^(UIImage *image) { + if ([self.imageURLString isEqualToString:imageURLString]) { + BOOL needsLayout = self.imageView.image == nil; + self.imageView.image = image; + + if (needsLayout) { + [self setNeedsLayout]; + } + } + }]; + } +} + +#pragma mark - UITableViewCell + + +#pragma mark - UIView + +- (void)layoutSubviews { + [super layoutSubviews]; + + CGRect imageViewFrame = self.imageView.frame; + CGRect textLabelFrame = self.textLabel.frame; + CGRect detailTextLabelFrame = self.detailTextLabel.frame; + + imageViewFrame.origin.x = 10.0f; + imageViewFrame.origin.y = 10.0f; + imageViewFrame.size = CGSizeMake(50.0f, 50.0f); + + textLabelFrame.origin.x = imageViewFrame.size.width + 30.0f; + detailTextLabelFrame.origin.x = textLabelFrame.origin.x; + + textLabelFrame.size.width = 240.0f; + detailTextLabelFrame.size.width = textLabelFrame.size.width; + + self.textLabel.frame = textLabelFrame; + self.detailTextLabel.frame = detailTextLabelFrame; + self.imageView.frame = imageViewFrame; +} + +@end diff --git a/AFNetworkingExample/Images/placeholder-stamp.png b/AFNetworkingExample/Images/placeholder-stamp.png new file mode 100644 index 0000000000000000000000000000000000000000..7aafe3ddaac4e304926d9e84529f82b46e169569 GIT binary patch literal 3968 zcmV-`4}b89P)X+uL$Nkc;* zP;zf(X>4Tx0C)kNmUmQB*%pV-y*Itk5+Wca^cs2zAksTX6$DXM^`x7XQc?|s+0 z08spb1j2M!0f022SQPH-!CVp(%f$Br7!UytSOLJ{W@ZFO_(THK{JlMynW#v{v-a*T 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UIInterfaceOrientationLandscapeLeft + UIInterfaceOrientationLandscapeRight + + + diff --git a/AFNetworkingExample/Prefix.pch b/AFNetworkingExample/Prefix.pch new file mode 100644 index 0000000..47d76c1 --- /dev/null +++ b/AFNetworkingExample/Prefix.pch @@ -0,0 +1,10 @@ +#import + +#ifndef __IPHONE_3_0 +#warning "This project uses features only available in iPhone SDK 3.0 and later." +#endif + +#ifdef __OBJC__ + #import + #import +#endif diff --git a/AFNetworkingExample/Vendor/JSONKit/JSONKit.h b/AFNetworkingExample/Vendor/JSONKit/JSONKit.h new file mode 100644 index 0000000..bdd5380 --- /dev/null +++ b/AFNetworkingExample/Vendor/JSONKit/JSONKit.h @@ -0,0 +1,251 @@ +// +// JSONKit.h +// http://github.com/johnezang/JSONKit +// Dual licensed under either the terms of the BSD License, or alternatively +// under the terms of the Apache License, Version 2.0, as specified below. +// + +/* + Copyright (c) 2011, John Engelhart + + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + * Neither the name of the Zang Industries nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + Copyright 2011 John Engelhart + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + */ + +#include +#include +#include +#include +#include + +#ifdef __OBJC__ +#import +#import +#import +#import +#import +#import +#endif // __OBJC__ + +#ifdef __cplusplus +extern "C" { +#endif + + + // For Mac OS X < 10.5. +#ifndef NSINTEGER_DEFINED +#define NSINTEGER_DEFINED +#if defined(__LP64__) || defined(NS_BUILD_32_LIKE_64) + typedef long NSInteger; + typedef unsigned long NSUInteger; +#define NSIntegerMin LONG_MIN +#define NSIntegerMax LONG_MAX +#define NSUIntegerMax ULONG_MAX +#else // defined(__LP64__) || defined(NS_BUILD_32_LIKE_64) + typedef int NSInteger; + typedef unsigned int NSUInteger; +#define NSIntegerMin INT_MIN +#define NSIntegerMax INT_MAX +#define NSUIntegerMax UINT_MAX +#endif // defined(__LP64__) || defined(NS_BUILD_32_LIKE_64) +#endif // NSINTEGER_DEFINED + + +#ifndef _JSONKIT_H_ +#define _JSONKIT_H_ + +#if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__APPLE_CC__) && (__APPLE_CC__ >= 5465) +#define JK_DEPRECATED_ATTRIBUTE __attribute__((deprecated)) +#else +#define JK_DEPRECATED_ATTRIBUTE +#endif + +#define JSONKIT_VERSION_MAJOR 1 +#define JSONKIT_VERSION_MINOR 4 + + typedef NSUInteger JKFlags; + + /* + JKParseOptionComments : Allow C style // and /_* ... *_/ (without a _, obviously) comments in JSON. + JKParseOptionUnicodeNewlines : Allow Unicode recommended (?:\r\n|[\n\v\f\r\x85\p{Zl}\p{Zp}]) newlines. + JKParseOptionLooseUnicode : Normally the decoder will stop with an error at any malformed Unicode. + This option allows JSON with malformed Unicode to be parsed without reporting an error. + Any malformed Unicode is replaced with \uFFFD, or "REPLACEMENT CHARACTER". + */ + + enum { + JKParseOptionNone = 0, + JKParseOptionStrict = 0, + JKParseOptionComments = (1 << 0), + JKParseOptionUnicodeNewlines = (1 << 1), + JKParseOptionLooseUnicode = (1 << 2), + JKParseOptionPermitTextAfterValidJSON = (1 << 3), + JKParseOptionValidFlags = (JKParseOptionComments | JKParseOptionUnicodeNewlines | JKParseOptionLooseUnicode | JKParseOptionPermitTextAfterValidJSON), + }; + typedef JKFlags JKParseOptionFlags; + + enum { + JKSerializeOptionNone = 0, + JKSerializeOptionPretty = (1 << 0), + JKSerializeOptionEscapeUnicode = (1 << 1), + JKSerializeOptionEscapeForwardSlashes = (1 << 4), + JKSerializeOptionValidFlags = (JKSerializeOptionPretty | JKSerializeOptionEscapeUnicode | JKSerializeOptionEscapeForwardSlashes), + }; + typedef JKFlags JKSerializeOptionFlags; + +#ifdef __OBJC__ + + typedef struct JKParseState JKParseState; // Opaque internal, private type. + + // As a general rule of thumb, if you use a method that doesn't accept a JKParseOptionFlags argument, it defaults to JKParseOptionStrict + + @interface JSONDecoder : NSObject { + JKParseState *parseState; + } ++ (id)decoder; ++ (id)decoderWithParseOptions:(JKParseOptionFlags)parseOptionFlags; +- (id)initWithParseOptions:(JKParseOptionFlags)parseOptionFlags; +- (void)clearCache; + +// The parse... methods were deprecated in v1.4 in favor of the v1.4 objectWith... methods. +- (id)parseUTF8String:(const unsigned char *)string length:(size_t)length JK_DEPRECATED_ATTRIBUTE; // Deprecated in JSONKit v1.4. Use objectWithUTF8String:length: instead. +- (id)parseUTF8String:(const unsigned char *)string length:(size_t)length error:(NSError **)error JK_DEPRECATED_ATTRIBUTE; // Deprecated in JSONKit v1.4. Use objectWithUTF8String:length:error: instead. +// The NSData MUST be UTF8 encoded JSON. +- (id)parseJSONData:(NSData *)jsonData JK_DEPRECATED_ATTRIBUTE; // Deprecated in JSONKit v1.4. Use objectWithData: instead. +- (id)parseJSONData:(NSData *)jsonData error:(NSError **)error JK_DEPRECATED_ATTRIBUTE; // Deprecated in JSONKit v1.4. Use objectWithData:error: instead. + +// Methods that return immutable collection objects. +- (id)objectWithUTF8String:(const unsigned char *)string length:(NSUInteger)length; +- (id)objectWithUTF8String:(const unsigned char *)string length:(NSUInteger)length error:(NSError **)error; +// The NSData MUST be UTF8 encoded JSON. +- (id)objectWithData:(NSData *)jsonData; +- (id)objectWithData:(NSData *)jsonData error:(NSError **)error; + +// Methods that return mutable collection objects. +- (id)mutableObjectWithUTF8String:(const unsigned char *)string length:(NSUInteger)length; +- (id)mutableObjectWithUTF8String:(const unsigned char *)string length:(NSUInteger)length error:(NSError **)error; +// The NSData MUST be UTF8 encoded JSON. +- (id)mutableObjectWithData:(NSData *)jsonData; +- (id)mutableObjectWithData:(NSData *)jsonData error:(NSError **)error; + +@end + + //////////// +#pragma mark Deserializing methods + //////////// + + @interface NSString (JSONKitDeserializing) +- (id)objectFromJSONString; +- (id)objectFromJSONStringWithParseOptions:(JKParseOptionFlags)parseOptionFlags; +- (id)objectFromJSONStringWithParseOptions:(JKParseOptionFlags)parseOptionFlags error:(NSError **)error; +- (id)mutableObjectFromJSONString; +- (id)mutableObjectFromJSONStringWithParseOptions:(JKParseOptionFlags)parseOptionFlags; +- (id)mutableObjectFromJSONStringWithParseOptions:(JKParseOptionFlags)parseOptionFlags error:(NSError **)error; +@end + + @interface NSData (JSONKitDeserializing) +// The NSData MUST be UTF8 encoded JSON. +- (id)objectFromJSONData; +- (id)objectFromJSONDataWithParseOptions:(JKParseOptionFlags)parseOptionFlags; +- (id)objectFromJSONDataWithParseOptions:(JKParseOptionFlags)parseOptionFlags error:(NSError **)error; +- (id)mutableObjectFromJSONData; +- (id)mutableObjectFromJSONDataWithParseOptions:(JKParseOptionFlags)parseOptionFlags; +- (id)mutableObjectFromJSONDataWithParseOptions:(JKParseOptionFlags)parseOptionFlags error:(NSError **)error; +@end + + //////////// +#pragma mark Serializing methods + //////////// + + @interface NSString (JSONKitSerializing) +// Convenience methods for those that need to serialize the receiving NSString (i.e., instead of having to serialize a NSArray with a single NSString, you can "serialize to JSON" just the NSString). +// Normally, a string that is serialized to JSON has quotation marks surrounding it, which you may or may not want when serializing a single string, and can be controlled with includeQuotes: +// includeQuotes:YES `a "test"...` -> `"a \"test\"..."` +// includeQuotes:NO `a "test"...` -> `a \"test\"...` +- (NSData *)JSONData; // Invokes JSONDataWithOptions:JKSerializeOptionNone includeQuotes:YES +- (NSData *)JSONDataWithOptions:(JKSerializeOptionFlags)serializeOptions includeQuotes:(BOOL)includeQuotes error:(NSError **)error; +- (NSString *)JSONString; // Invokes JSONStringWithOptions:JKSerializeOptionNone includeQuotes:YES +- (NSString *)JSONStringWithOptions:(JKSerializeOptionFlags)serializeOptions includeQuotes:(BOOL)includeQuotes error:(NSError **)error; +@end + + @interface NSArray (JSONKitSerializing) +- (NSData *)JSONData; +- (NSData *)JSONDataWithOptions:(JKSerializeOptionFlags)serializeOptions error:(NSError **)error; +- (NSData *)JSONDataWithOptions:(JKSerializeOptionFlags)serializeOptions serializeUnsupportedClassesUsingDelegate:(id)delegate selector:(SEL)selector error:(NSError **)error; +- (NSString *)JSONString; +- (NSString *)JSONStringWithOptions:(JKSerializeOptionFlags)serializeOptions error:(NSError **)error; +- (NSString *)JSONStringWithOptions:(JKSerializeOptionFlags)serializeOptions serializeUnsupportedClassesUsingDelegate:(id)delegate selector:(SEL)selector error:(NSError **)error; +@end + + @interface NSDictionary (JSONKitSerializing) +- (NSData *)JSONData; +- (NSData *)JSONDataWithOptions:(JKSerializeOptionFlags)serializeOptions error:(NSError **)error; +- (NSData *)JSONDataWithOptions:(JKSerializeOptionFlags)serializeOptions serializeUnsupportedClassesUsingDelegate:(id)delegate selector:(SEL)selector error:(NSError **)error; +- (NSString *)JSONString; +- (NSString *)JSONStringWithOptions:(JKSerializeOptionFlags)serializeOptions error:(NSError **)error; +- (NSString *)JSONStringWithOptions:(JKSerializeOptionFlags)serializeOptions serializeUnsupportedClassesUsingDelegate:(id)delegate selector:(SEL)selector error:(NSError **)error; +@end + +#ifdef __BLOCKS__ + + @interface NSArray (JSONKitSerializingBlockAdditions) +- (NSData *)JSONDataWithOptions:(JKSerializeOptionFlags)serializeOptions serializeUnsupportedClassesUsingBlock:(id(^)(id object))block error:(NSError **)error; +- (NSString *)JSONStringWithOptions:(JKSerializeOptionFlags)serializeOptions serializeUnsupportedClassesUsingBlock:(id(^)(id object))block error:(NSError **)error; +@end + + @interface NSDictionary (JSONKitSerializingBlockAdditions) +- (NSData *)JSONDataWithOptions:(JKSerializeOptionFlags)serializeOptions serializeUnsupportedClassesUsingBlock:(id(^)(id object))block error:(NSError **)error; +- (NSString *)JSONStringWithOptions:(JKSerializeOptionFlags)serializeOptions serializeUnsupportedClassesUsingBlock:(id(^)(id object))block error:(NSError **)error; +@end + +#endif + + +#endif // __OBJC__ + +#endif // _JSONKIT_H_ + +#ifdef __cplusplus +} // extern "C" +#endif \ No newline at end of file diff --git a/AFNetworkingExample/Vendor/JSONKit/JSONKit.m b/AFNetworkingExample/Vendor/JSONKit/JSONKit.m new file mode 100644 index 0000000..3977849 --- /dev/null +++ b/AFNetworkingExample/Vendor/JSONKit/JSONKit.m @@ -0,0 +1,3011 @@ +// +// JSONKit.m +// http://github.com/johnezang/JSONKit +// Dual licensed under either the terms of the BSD License, or alternatively +// under the terms of the Apache License, Version 2.0, as specified below. +// + +/* + Copyright (c) 2011, John Engelhart + + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + * Neither the name of the Zang Industries nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + Copyright 2011 John Engelhart + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + */ + + +/* + Acknowledgments: + + The bulk of the UTF8 / UTF32 conversion and verification comes + from ConvertUTF.[hc]. It has been modified from the original sources. + + The original sources were obtained from http://www.unicode.org/. + However, the web site no longer seems to host the files. Instead, + the Unicode FAQ http://www.unicode.org/faq//utf_bom.html#gen4 + points to International Components for Unicode (ICU) + http://site.icu-project.org/ as an example of how to write a UTF + converter. + + The decision to use the ConvertUTF.[ch] code was made to leverage + "proven" code. Hopefully the local modifications are bug free. + + The code in isValidCodePoint() is derived from the ICU code in + utf.h for the macros U_IS_UNICODE_NONCHAR and U_IS_UNICODE_CHAR. + + From the original ConvertUTF.[ch]: + + * Copyright 2001-2004 Unicode, Inc. + * + * Disclaimer + * + * This source code is provided as is by Unicode, Inc. No claims are + * made as to fitness for any particular purpose. No warranties of any + * kind are expressed or implied. The recipient agrees to determine + * applicability of information provided. If this file has been + * purchased on magnetic or optical media from Unicode, Inc., the + * sole remedy for any claim will be exchange of defective media + * within 90 days of receipt. + * + * Limitations on Rights to Redistribute This Code + * + * Unicode, Inc. hereby grants the right to freely use the information + * supplied in this file in the creation of products supporting the + * Unicode Standard, and to make copies of this file in any form + * for internal or external distribution as long as this notice + * remains attached. + + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#import "JSONKit.h" + +//#include +#include +#include +#include +#include + +//#import +#import +#import +#import +#import +#import +#import +#import + +#ifdef JK_ENABLE_CF_TRANSFER_OWNERSHIP_CALLBACKS +#warning As of JSONKit v1.4, JK_ENABLE_CF_TRANSFER_OWNERSHIP_CALLBACKS is no longer required. It is no longer a valid option. +#endif + +#ifdef __OBJC_GC__ +#error JSONKit does not support Objective-C Garbage Collection +#endif + +// The following checks are really nothing more than sanity checks. +// JSONKit technically has a few problems from a "strictly C99 conforming" standpoint, though they are of the pedantic nitpicking variety. +// In practice, though, for the compilers and architectures we can reasonably expect this code to be compiled for, these pedantic nitpicks aren't really a problem. +// Since we're limited as to what we can do with pre-processor #if checks, these checks are not nearly as through as they should be. + +#if (UINT_MAX != 0xffffffffU) || (INT_MIN != (-0x7fffffff-1)) || (ULLONG_MAX != 0xffffffffffffffffULL) || (LLONG_MIN != (-0x7fffffffffffffffLL-1LL)) +#error JSONKit requires the C 'int' and 'long long' types to be 32 and 64 bits respectively. +#endif + +#if !defined(__LP64__) && ((UINT_MAX != ULONG_MAX) || (INT_MAX != LONG_MAX) || (INT_MIN != LONG_MIN) || (WORD_BIT != LONG_BIT)) +#error JSONKit requires the C 'int' and 'long' types to be the same on 32-bit architectures. +#endif + +// Cocoa / Foundation uses NS*Integer as the type for a lot of arguments. We make sure that NS*Integer is something we are expecting and is reasonably compatible with size_t / ssize_t + +#if (NSUIntegerMax != ULONG_MAX) || (NSIntegerMax != LONG_MAX) || (NSIntegerMin != LONG_MIN) +#error JSONKit requires NSInteger and NSUInteger to be the same size as the C 'long' type. +#endif + +#if (NSUIntegerMax != SIZE_MAX) || (NSIntegerMax != SSIZE_MAX) +#error JSONKit requires NSInteger and NSUInteger to be the same size as the C 'size_t' type. +#endif + + +// For DJB hash. +#define JK_HASH_INIT (1402737925UL) + +// Use __builtin_clz() instead of trailingBytesForUTF8[] table lookup. +#define JK_FAST_TRAILING_BYTES + +// JK_CACHE_SLOTS must be a power of 2. Default size is 1024 slots. +#define JK_CACHE_SLOTS_BITS (10) +#define JK_CACHE_SLOTS (1UL << JK_CACHE_SLOTS_BITS) +// JK_CACHE_PROBES is the number of probe attempts. +#define JK_CACHE_PROBES (4UL) +// JK_INIT_CACHE_AGE must be (1 << AGE) - 1 +#define JK_INIT_CACHE_AGE (0) + +// JK_TOKENBUFFER_SIZE is the default stack size for the temporary buffer used to hold "non-simple" strings (i.e., contains \ escapes) +#define JK_TOKENBUFFER_SIZE (1024UL * 2UL) + +// JK_STACK_OBJS is the default number of spaces reserved on the stack for temporarily storing pointers to Obj-C objects before they can be transferred to a NSArray / NSDictionary. +#define JK_STACK_OBJS (1024UL * 1UL) + +#define JK_JSONBUFFER_SIZE (1024UL * 4UL) +#define JK_UTF8BUFFER_SIZE (1024UL * 16UL) + +#define JK_ENCODE_CACHE_SLOTS (1024UL) + + +#if defined (__GNUC__) && (__GNUC__ >= 4) +#define JK_ATTRIBUTES(attr, ...) __attribute__((attr, ##__VA_ARGS__)) +#define JK_EXPECTED(cond, expect) __builtin_expect((long)(cond), (expect)) +#define JK_EXPECT_T(cond) JK_EXPECTED(cond, 1U) +#define JK_EXPECT_F(cond) JK_EXPECTED(cond, 0U) +#define JK_PREFETCH(ptr) __builtin_prefetch(ptr) +#else // defined (__GNUC__) && (__GNUC__ >= 4) +#define JK_ATTRIBUTES(attr, ...) +#define JK_EXPECTED(cond, expect) (cond) +#define JK_EXPECT_T(cond) (cond) +#define JK_EXPECT_F(cond) (cond) +#define JK_PREFETCH(ptr) +#endif // defined (__GNUC__) && (__GNUC__ >= 4) + +#define JK_STATIC_INLINE static __inline__ JK_ATTRIBUTES(always_inline) +#define JK_ALIGNED(arg) JK_ATTRIBUTES(aligned(arg)) +#define JK_UNUSED_ARG JK_ATTRIBUTES(unused) +#define JK_WARN_UNUSED JK_ATTRIBUTES(warn_unused_result) +#define JK_WARN_UNUSED_CONST JK_ATTRIBUTES(warn_unused_result, const) +#define JK_WARN_UNUSED_PURE JK_ATTRIBUTES(warn_unused_result, pure) +#define JK_WARN_UNUSED_SENTINEL JK_ATTRIBUTES(warn_unused_result, sentinel) +#define JK_NONNULL_ARGS(arg, ...) JK_ATTRIBUTES(nonnull(arg, ##__VA_ARGS__)) +#define JK_WARN_UNUSED_NONNULL_ARGS(arg, ...) JK_ATTRIBUTES(warn_unused_result, nonnull(arg, ##__VA_ARGS__)) +#define JK_WARN_UNUSED_CONST_NONNULL_ARGS(arg, ...) JK_ATTRIBUTES(warn_unused_result, const, nonnull(arg, ##__VA_ARGS__)) +#define JK_WARN_UNUSED_PURE_NONNULL_ARGS(arg, ...) JK_ATTRIBUTES(warn_unused_result, pure, nonnull(arg, ##__VA_ARGS__)) + +#if defined (__GNUC__) && (__GNUC__ >= 4) && (__GNUC_MINOR__ >= 3) +#define JK_ALLOC_SIZE_NON_NULL_ARGS_WARN_UNUSED(as, nn, ...) JK_ATTRIBUTES(warn_unused_result, nonnull(nn, ##__VA_ARGS__), alloc_size(as)) +#else // defined (__GNUC__) && (__GNUC__ >= 4) && (__GNUC_MINOR__ >= 3) +#define JK_ALLOC_SIZE_NON_NULL_ARGS_WARN_UNUSED(as, nn, ...) JK_ATTRIBUTES(warn_unused_result, nonnull(nn, ##__VA_ARGS__)) +#endif // defined (__GNUC__) && (__GNUC__ >= 4) && (__GNUC_MINOR__ >= 3) + + +@class JKArray, JKDictionaryEnumerator, JKDictionary; + +enum { + JSONNumberStateStart = 0, + JSONNumberStateFinished = 1, + JSONNumberStateError = 2, + JSONNumberStateWholeNumberStart = 3, + JSONNumberStateWholeNumberMinus = 4, + JSONNumberStateWholeNumberZero = 5, + JSONNumberStateWholeNumber = 6, + JSONNumberStatePeriod = 7, + JSONNumberStateFractionalNumberStart = 8, + JSONNumberStateFractionalNumber = 9, + JSONNumberStateExponentStart = 10, + JSONNumberStateExponentPlusMinus = 11, + JSONNumberStateExponent = 12, +}; + +enum { + JSONStringStateStart = 0, + JSONStringStateParsing = 1, + JSONStringStateFinished = 2, + JSONStringStateError = 3, + JSONStringStateEscape = 4, + JSONStringStateEscapedUnicode1 = 5, + JSONStringStateEscapedUnicode2 = 6, + JSONStringStateEscapedUnicode3 = 7, + JSONStringStateEscapedUnicode4 = 8, + JSONStringStateEscapedUnicodeSurrogate1 = 9, + JSONStringStateEscapedUnicodeSurrogate2 = 10, + JSONStringStateEscapedUnicodeSurrogate3 = 11, + JSONStringStateEscapedUnicodeSurrogate4 = 12, + JSONStringStateEscapedNeedEscapeForSurrogate = 13, + JSONStringStateEscapedNeedEscapedUForSurrogate = 14, +}; + +enum { + JKParseAcceptValue = (1 << 0), + JKParseAcceptComma = (1 << 1), + JKParseAcceptEnd = (1 << 2), + JKParseAcceptValueOrEnd = (JKParseAcceptValue | JKParseAcceptEnd), + JKParseAcceptCommaOrEnd = (JKParseAcceptComma | JKParseAcceptEnd), +}; + +enum { + JKClassUnknown = 0, + JKClassString = 1, + JKClassNumber = 2, + JKClassArray = 3, + JKClassDictionary = 4, + JKClassNull = 5, +}; + +enum { + JKManagedBufferOnStack = 1, + JKManagedBufferOnHeap = 2, + JKManagedBufferLocationMask = (0x3), + JKManagedBufferLocationShift = (0), + + JKManagedBufferMustFree = (1 << 2), +}; +typedef JKFlags JKManagedBufferFlags; + +enum { + JKObjectStackOnStack = 1, + JKObjectStackOnHeap = 2, + JKObjectStackLocationMask = (0x3), + JKObjectStackLocationShift = (0), + + JKObjectStackMustFree = (1 << 2), +}; +typedef JKFlags JKObjectStackFlags; + +enum { + JKTokenTypeInvalid = 0, + JKTokenTypeNumber = 1, + JKTokenTypeString = 2, + JKTokenTypeObjectBegin = 3, + JKTokenTypeObjectEnd = 4, + JKTokenTypeArrayBegin = 5, + JKTokenTypeArrayEnd = 6, + JKTokenTypeSeparator = 7, + JKTokenTypeComma = 8, + JKTokenTypeTrue = 9, + JKTokenTypeFalse = 10, + JKTokenTypeNull = 11, + JKTokenTypeWhiteSpace = 12, +}; +typedef NSUInteger JKTokenType; + +// These are prime numbers to assist with hash slot probing. +enum { + JKValueTypeNone = 0, + JKValueTypeString = 5, + JKValueTypeLongLong = 7, + JKValueTypeUnsignedLongLong = 11, + JKValueTypeDouble = 13, +}; +typedef NSUInteger JKValueType; + +enum { + JKEncodeOptionAsData = 1, + JKEncodeOptionAsString = 2, + JKEncodeOptionAsTypeMask = 0x7, + JKEncodeOptionCollectionObj = (1 << 3), + JKEncodeOptionStringObj = (1 << 4), + JKEncodeOptionStringObjTrimQuotes = (1 << 5), + +}; +typedef NSUInteger JKEncodeOptionType; + +typedef NSUInteger JKHash; + +typedef struct JKTokenCacheItem JKTokenCacheItem; +typedef struct JKTokenCache JKTokenCache; +typedef struct JKTokenValue JKTokenValue; +typedef struct JKParseToken JKParseToken; +typedef struct JKPtrRange JKPtrRange; +typedef struct JKObjectStack JKObjectStack; +typedef struct JKBuffer JKBuffer; +typedef struct JKConstBuffer JKConstBuffer; +typedef struct JKConstPtrRange JKConstPtrRange; +typedef struct JKRange JKRange; +typedef struct JKManagedBuffer JKManagedBuffer; +typedef struct JKFastClassLookup JKFastClassLookup; +typedef struct JKEncodeCache JKEncodeCache; +typedef struct JKEncodeState JKEncodeState; +typedef struct JKObjCImpCache JKObjCImpCache; +typedef struct JKHashTableEntry JKHashTableEntry; + +typedef id (*NSNumberAllocImp)(id receiver, SEL selector); +typedef id (*NSNumberInitWithUnsignedLongLongImp)(id receiver, SEL selector, unsigned long long value); +typedef id (*JKClassFormatterIMP)(id receiver, SEL selector, id object); +#ifdef __BLOCKS__ +typedef id (^JKClassFormatterBlock)(id formatObject); +#endif + + +struct JKPtrRange { + unsigned char *ptr; + size_t length; +}; + +struct JKConstPtrRange { + const unsigned char *ptr; + size_t length; +}; + +struct JKRange { + size_t location, length; +}; + +struct JKManagedBuffer { + JKPtrRange bytes; + JKManagedBufferFlags flags; + size_t roundSizeUpToMultipleOf; +}; + +struct JKObjectStack { + void **objects, **keys; + CFHashCode *cfHashes; + size_t count, index, roundSizeUpToMultipleOf; + JKObjectStackFlags flags; +}; + +struct JKBuffer { + JKPtrRange bytes; +}; + +struct JKConstBuffer { + JKConstPtrRange bytes; +}; + +struct JKTokenValue { + JKConstPtrRange ptrRange; + JKValueType type; + JKHash hash; + union { + long long longLongValue; + unsigned long long unsignedLongLongValue; + double doubleValue; + } number; + JKTokenCacheItem *cacheItem; +}; + +struct JKParseToken { + JKConstPtrRange tokenPtrRange; + JKTokenType type; + JKTokenValue value; + JKManagedBuffer tokenBuffer; +}; + +struct JKTokenCacheItem { + void *object; + JKHash hash; + CFHashCode cfHash; + size_t size; + unsigned char *bytes; + JKValueType type; +}; + +struct JKTokenCache { + JKTokenCacheItem *items; + size_t count; + unsigned int prng_lfsr; + unsigned char age[JK_CACHE_SLOTS]; +}; + +struct JKObjCImpCache { + Class NSNumberClass; + NSNumberAllocImp NSNumberAlloc; + NSNumberInitWithUnsignedLongLongImp NSNumberInitWithUnsignedLongLong; +}; + +struct JKParseState { + JKParseOptionFlags parseOptionFlags; + JKConstBuffer stringBuffer; + size_t atIndex, lineNumber, lineStartIndex; + size_t prev_atIndex, prev_lineNumber, prev_lineStartIndex; + JKParseToken token; + JKObjectStack objectStack; + JKTokenCache cache; + JKObjCImpCache objCImpCache; + NSError *error; + int errorIsPrev; + BOOL mutableCollections; +}; + +struct JKFastClassLookup { + void *stringClass; + void *numberClass; + void *arrayClass; + void *dictionaryClass; + void *nullClass; +}; + +struct JKEncodeCache { + id object; + size_t offset; + size_t length; +}; + +struct JKEncodeState { + JKManagedBuffer utf8ConversionBuffer; + JKManagedBuffer stringBuffer; + size_t atIndex; + JKFastClassLookup fastClassLookup; + JKEncodeCache cache[JK_ENCODE_CACHE_SLOTS]; + JKSerializeOptionFlags serializeOptionFlags; + JKEncodeOptionType encodeOption; + size_t depth; + NSError *error; + id classFormatterDelegate; + SEL classFormatterSelector; + JKClassFormatterIMP classFormatterIMP; +#ifdef __BLOCKS__ + JKClassFormatterBlock classFormatterBlock; +#endif +}; + +// This is a JSONKit private class. +@interface JKSerializer : NSObject { + JKEncodeState *encodeState; +} + +#ifdef __BLOCKS__ +#define JKSERIALIZER_BLOCKS_PROTO id(^)(id object) +#else +#define JKSERIALIZER_BLOCKS_PROTO id +#endif + ++ (id)serializeObject:(id)object options:(JKSerializeOptionFlags)optionFlags encodeOption:(JKEncodeOptionType)encodeOption block:(JKSERIALIZER_BLOCKS_PROTO)block delegate:(id)delegate selector:(SEL)selector error:(NSError **)error; +- (id)serializeObject:(id)object options:(JKSerializeOptionFlags)optionFlags encodeOption:(JKEncodeOptionType)encodeOption block:(JKSERIALIZER_BLOCKS_PROTO)block delegate:(id)delegate selector:(SEL)selector error:(NSError **)error; +- (void)releaseState; + +@end + +struct JKHashTableEntry { + NSUInteger keyHash; + id key, object; +}; + + +typedef uint32_t UTF32; /* at least 32 bits */ +typedef uint16_t UTF16; /* at least 16 bits */ +typedef uint8_t UTF8; /* typically 8 bits */ + +typedef enum { + conversionOK, /* conversion successful */ + sourceExhausted, /* partial character in source, but hit end */ + targetExhausted, /* insuff. room in target for conversion */ + sourceIllegal /* source sequence is illegal/malformed */ +} ConversionResult; + +#define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD +#define UNI_MAX_BMP (UTF32)0x0000FFFF +#define UNI_MAX_UTF16 (UTF32)0x0010FFFF +#define UNI_MAX_UTF32 (UTF32)0x7FFFFFFF +#define UNI_MAX_LEGAL_UTF32 (UTF32)0x0010FFFF +#define UNI_SUR_HIGH_START (UTF32)0xD800 +#define UNI_SUR_HIGH_END (UTF32)0xDBFF +#define UNI_SUR_LOW_START (UTF32)0xDC00 +#define UNI_SUR_LOW_END (UTF32)0xDFFF + + +#if !defined(JK_FAST_TRAILING_BYTES) +static const char trailingBytesForUTF8[256] = { + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, + 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5 +}; +#endif + +static const UTF32 offsetsFromUTF8[6] = { 0x00000000UL, 0x00003080UL, 0x000E2080UL, 0x03C82080UL, 0xFA082080UL, 0x82082080UL }; +static const UTF8 firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }; + +#define JK_AT_STRING_PTR(x) (&((x)->stringBuffer.bytes.ptr[(x)->atIndex])) +#define JK_END_STRING_PTR(x) (&((x)->stringBuffer.bytes.ptr[(x)->stringBuffer.bytes.length])) + + +static JKArray *_JKArrayCreate(id *objects, NSUInteger count, BOOL mutableCollection); +static void _JKArrayInsertObjectAtIndex(JKArray *array, id newObject, NSUInteger objectIndex); +static void _JKArrayReplaceObjectAtIndexWithObject(JKArray *array, NSUInteger objectIndex, id newObject); +static void _JKArrayRemoveObjectAtIndex(JKArray *array, NSUInteger objectIndex); + + +static NSUInteger _JKDictionaryCapacityForCount(NSUInteger count); +static JKDictionary *_JKDictionaryCreate(id *keys, NSUInteger *keyHashes, id *objects, NSUInteger count, BOOL mutableCollection); +static JKHashTableEntry *_JKDictionaryHashEntry(JKDictionary *dictionary); +static NSUInteger _JKDictionaryCapacity(JKDictionary *dictionary); +static void _JKDictionaryResizeIfNeccessary(JKDictionary *dictionary); +static void _JKDictionaryRemoveObjectWithEntry(JKDictionary *dictionary, JKHashTableEntry *entry); +static void _JKDictionaryAddObject(JKDictionary *dictionary, NSUInteger keyHash, id key, id object); +static JKHashTableEntry *_JKDictionaryHashTableEntryForKey(JKDictionary *dictionary, id aKey); + + +static void _JSONDecoderCleanup(JSONDecoder *decoder); + +static id _NSStringObjectFromJSONString(NSString *jsonString, JKParseOptionFlags parseOptionFlags, NSError **error, BOOL mutableCollection); + + +static void jk_managedBuffer_release(JKManagedBuffer *managedBuffer); +static void jk_managedBuffer_setToStackBuffer(JKManagedBuffer *managedBuffer, unsigned char *ptr, size_t length); +static unsigned char *jk_managedBuffer_resize(JKManagedBuffer *managedBuffer, size_t newSize); +static void jk_objectStack_release(JKObjectStack *objectStack); +static void jk_objectStack_setToStackBuffer(JKObjectStack *objectStack, void **objects, void **keys, CFHashCode *cfHashes, size_t count); +static int jk_objectStack_resize(JKObjectStack *objectStack, size_t newCount); + +static void jk_error(JKParseState *parseState, NSString *format, ...); +static int jk_parse_string(JKParseState *parseState); +static int jk_parse_number(JKParseState *parseState); +static size_t jk_parse_is_newline(JKParseState *parseState, const unsigned char *atCharacterPtr); +JK_STATIC_INLINE int jk_parse_skip_newline(JKParseState *parseState); +JK_STATIC_INLINE void jk_parse_skip_whitespace(JKParseState *parseState); +static int jk_parse_next_token(JKParseState *parseState); +static void jk_error_parse_accept_or3(JKParseState *parseState, int state, NSString *or1String, NSString *or2String, NSString *or3String); +static void *jk_create_dictionary(JKParseState *parseState, size_t startingObjectIndex); +static void *jk_parse_dictionary(JKParseState *parseState); +static void *jk_parse_array(JKParseState *parseState); +static void *jk_object_for_token(JKParseState *parseState); +static void *jk_cachedObjects(JKParseState *parseState); +JK_STATIC_INLINE void jk_cache_age(JKParseState *parseState); +JK_STATIC_INLINE void jk_set_parsed_token(JKParseState *parseState, const unsigned char *ptr, size_t length, JKTokenType type, size_t advanceBy); + + +static void jk_encode_error(JKEncodeState *encodeState, NSString *format, ...); +static int jk_encode_printf(JKEncodeState *encodeState, JKEncodeCache *cacheSlot, size_t startingAtIndex, id object, const char *format, ...); +static int jk_encode_write(JKEncodeState *encodeState, JKEncodeCache *cacheSlot, size_t startingAtIndex, id object, const char *format); +static int jk_encode_writePrettyPrintWhiteSpace(JKEncodeState *encodeState); +static int jk_encode_write1slow(JKEncodeState *encodeState, ssize_t depthChange, const char *format); +static int jk_encode_write1fast(JKEncodeState *encodeState, ssize_t depthChange JK_UNUSED_ARG, const char *format); +static int jk_encode_writen(JKEncodeState *encodeState, JKEncodeCache *cacheSlot, size_t startingAtIndex, id object, const char *format, size_t length); +JK_STATIC_INLINE JKHash jk_encode_object_hash(void *objectPtr); +JK_STATIC_INLINE void jk_encode_updateCache(JKEncodeState *encodeState, JKEncodeCache *cacheSlot, size_t startingAtIndex, id object); +static int jk_encode_add_atom_to_buffer(JKEncodeState *encodeState, void *objectPtr); + +#define jk_encode_write1(es, dc, f) (JK_EXPECT_F(_jk_encode_prettyPrint) ? jk_encode_write1slow(es, dc, f) : jk_encode_write1fast(es, dc, f)) + + +JK_STATIC_INLINE size_t jk_min(size_t a, size_t b); +JK_STATIC_INLINE size_t jk_max(size_t a, size_t b); +JK_STATIC_INLINE JKHash calculateHash(JKHash currentHash, unsigned char c); + +// JSONKit v1.4 used both a JKArray : NSArray and JKMutableArray : NSMutableArray, and the same for the dictionary collection type. +// However, Louis Gerbarg (via cocoa-dev) pointed out that Cocoa / Core Foundation actually implements only a single class that inherits from the +// mutable version, and keeps an ivar bit for whether or not that instance is mutable. This means that the immutable versions of the collection +// classes receive the mutating methods, but this is handled by having those methods throw an exception when the ivar bit is set to immutable. +// We adopt the same strategy here. It's both cleaner and gets rid of the method swizzling hackery used in JSONKit v1.4. + +#pragma mark - +@interface JKArray : NSMutableArray { + id *objects; + NSUInteger count, capacity, mutations; +} +@end + +@implementation JKArray + +static Class _JKArrayClass = NULL; +static size_t _JKArrayInstanceSize = 0UL; + ++ (void)load +{ + NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; // Though technically not required, the run time environment at +load time may be less than ideal. + + _JKArrayClass = objc_getClass("JKArray"); + _JKArrayInstanceSize = jk_max(16UL, class_getInstanceSize(_JKArrayClass)); + + [pool release]; pool = NULL; +} + ++ (id)allocWithZone:(NSZone *)zone +{ +#pragma unused(zone) + [NSException raise:NSInvalidArgumentException format:@"*** - [%@ %@]: The %@ class is private to JSONKit and should not be used in this fashion.", NSStringFromClass([self class]), NSStringFromSelector(_cmd), NSStringFromClass([self class])]; + return(NULL); +} + +static JKArray *_JKArrayCreate(id *objects, NSUInteger count, BOOL mutableCollection) { + NSCParameterAssert((objects != NULL) && (_JKArrayClass != NULL) && (_JKArrayInstanceSize > 0UL)); + JKArray *array = NULL; + if(JK_EXPECT_T((array = (JKArray *)calloc(1UL, _JKArrayInstanceSize)) != NULL)) { // Directly allocate the JKArray instance via calloc. + array->isa = _JKArrayClass; + if((array = [array init]) == NULL) { return(NULL); } + array->capacity = count; + array->count = count; + if(JK_EXPECT_F((array->objects = (id *)malloc(sizeof(id) * array->capacity)) == NULL)) { [array autorelease]; return(NULL); } + memcpy(array->objects, objects, array->capacity * sizeof(id)); + array->mutations = (mutableCollection == NO) ? 0UL : 1UL; + } + return(array); +} + +// Note: The caller is responsible for -retaining the object that is to be added. +static void _JKArrayInsertObjectAtIndex(JKArray *array, id newObject, NSUInteger objectIndex) { + NSCParameterAssert((array != NULL) && (array->objects != NULL) && (array->count <= array->capacity) && (objectIndex <= array->count) && (newObject != NULL)); + if(!((array != NULL) && (array->objects != NULL) && (objectIndex <= array->count) && (newObject != NULL))) { [newObject autorelease]; return; } + array->count++; + if(array->count >= array->capacity) { + array->capacity += 16UL; + id *newObjects = NULL; + if((newObjects = (id *)realloc(array->objects, sizeof(id) * array->capacity)) == NULL) { [NSException raise:NSMallocException format:@"Unable to resize objects array."]; } + array->objects = newObjects; + memset(&array->objects[array->count], 0, sizeof(id) * (array->capacity - array->count)); + } + if((objectIndex + 1UL) < array->count) { memmove(&array->objects[objectIndex + 1UL], &array->objects[objectIndex], sizeof(id) * ((array->count - 1UL) - objectIndex)); array->objects[objectIndex] = NULL; } + array->objects[objectIndex] = newObject; +} + +// Note: The caller is responsible for -retaining the object that is to be added. +static void _JKArrayReplaceObjectAtIndexWithObject(JKArray *array, NSUInteger objectIndex, id newObject) { + NSCParameterAssert((array != NULL) && (array->objects != NULL) && (array->count <= array->capacity) && (objectIndex < array->count) && (array->objects[objectIndex] != NULL) && (newObject != NULL)); + if(!((array != NULL) && (array->objects != NULL) && (objectIndex < array->count) && (array->objects[objectIndex] != NULL) && (newObject != NULL))) { [newObject autorelease]; return; } + CFRelease(array->objects[objectIndex]); + array->objects[objectIndex] = NULL; + array->objects[objectIndex] = newObject; +} + +static void _JKArrayRemoveObjectAtIndex(JKArray *array, NSUInteger objectIndex) { + NSCParameterAssert((array != NULL) && (array->objects != NULL) && (array->count <= array->capacity) && (objectIndex < array->count) && (array->objects[objectIndex] != NULL)); + if(!((array != NULL) && (array->objects != NULL) && (objectIndex < array->count) && (array->objects[objectIndex] != NULL))) { return; } + CFRelease(array->objects[objectIndex]); + array->objects[objectIndex] = NULL; + if((objectIndex + 1UL) < array->count) { memmove(&array->objects[objectIndex], &array->objects[objectIndex + 1UL], sizeof(id) * ((array->count - 1UL) - objectIndex)); array->objects[array->count] = NULL; } + array->count--; +} + +- (void)dealloc +{ + if(JK_EXPECT_T(objects != NULL)) { + NSUInteger atObject = 0UL; + for(atObject = 0UL; atObject < count; atObject++) { if(JK_EXPECT_T(objects[atObject] != NULL)) { CFRelease(objects[atObject]); objects[atObject] = NULL; } } + free(objects); objects = NULL; + } + + [super dealloc]; +} + +- (NSUInteger)count +{ + NSParameterAssert((objects != NULL) && (count <= capacity)); + return(count); +} + +- (void)getObjects:(id *)objectsPtr range:(NSRange)range +{ + NSParameterAssert((objects != NULL) && (count <= capacity)); + if((objectsPtr == NULL) && (NSMaxRange(range) > 0UL)) { [NSException raise:NSRangeException format:@"*** -[%@ %@]: pointer to objects array is NULL but range length is %lu", NSStringFromClass([self class]), NSStringFromSelector(_cmd), NSMaxRange(range)]; } + if((range.location > count) || (NSMaxRange(range) > count)) { [NSException raise:NSRangeException format:@"*** -[%@ %@]: index (%lu) beyond bounds (%lu)", NSStringFromClass([self class]), NSStringFromSelector(_cmd), NSMaxRange(range), count]; } + memcpy(objectsPtr, objects + range.location, range.length * sizeof(id)); +} + +- (id)objectAtIndex:(NSUInteger)objectIndex +{ + if(objectIndex >= count) { [NSException raise:NSRangeException format:@"*** -[%@ %@]: index (%lu) beyond bounds (%lu)", NSStringFromClass([self class]), NSStringFromSelector(_cmd), objectIndex, count]; } + NSParameterAssert((objects != NULL) && (count <= capacity) && (objects[objectIndex] != NULL)); + return(objects[objectIndex]); +} + +- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len +{ + NSParameterAssert((state != NULL) && (stackbuf != NULL) && (len > 0UL) && (objects != NULL) && (count <= capacity)); + if(JK_EXPECT_F(state->state == 0UL)) { state->mutationsPtr = (unsigned long *)&mutations; state->itemsPtr = stackbuf; } + if(JK_EXPECT_F(state->state >= count)) { return(0UL); } + + NSUInteger enumeratedCount = 0UL; + while(JK_EXPECT_T(enumeratedCount < len) && JK_EXPECT_T(state->state < count)) { NSParameterAssert(objects[state->state] != NULL); stackbuf[enumeratedCount++] = objects[state->state++]; } + + return(enumeratedCount); +} + +- (void)insertObject:(id)anObject atIndex:(NSUInteger)objectIndex +{ + if(mutations == 0UL) { [NSException raise:NSInternalInconsistencyException format:@"*** -[%@ %@]: mutating method sent to immutable object", NSStringFromClass([self class]), NSStringFromSelector(_cmd)]; } + if(anObject == NULL) { [NSException raise:NSInvalidArgumentException format:@"*** -[%@ %@]: attempt to insert nil", NSStringFromClass([self class]), NSStringFromSelector(_cmd)]; } + if(objectIndex > count) { [NSException raise:NSRangeException format:@"*** -[%@ %@]: index (%lu) beyond bounds (%lu)", NSStringFromClass([self class]), NSStringFromSelector(_cmd), objectIndex, count + 1UL]; } + anObject = [anObject retain]; + _JKArrayInsertObjectAtIndex(self, anObject, objectIndex); + mutations = (mutations == NSUIntegerMax) ? 1UL : mutations + 1UL; +} + +- (void)removeObjectAtIndex:(NSUInteger)objectIndex +{ + if(mutations == 0UL) { [NSException raise:NSInternalInconsistencyException format:@"*** -[%@ %@]: mutating method sent to immutable object", NSStringFromClass([self class]), NSStringFromSelector(_cmd)]; } + if(objectIndex >= count) { [NSException raise:NSRangeException format:@"*** -[%@ %@]: index (%lu) beyond bounds (%lu)", NSStringFromClass([self class]), NSStringFromSelector(_cmd), objectIndex, count]; } + _JKArrayRemoveObjectAtIndex(self, objectIndex); + mutations = (mutations == NSUIntegerMax) ? 1UL : mutations + 1UL; +} + +- (void)replaceObjectAtIndex:(NSUInteger)objectIndex withObject:(id)anObject +{ + if(mutations == 0UL) { [NSException raise:NSInternalInconsistencyException format:@"*** -[%@ %@]: mutating method sent to immutable object", NSStringFromClass([self class]), NSStringFromSelector(_cmd)]; } + if(anObject == NULL) { [NSException raise:NSInvalidArgumentException format:@"*** -[%@ %@]: attempt to insert nil", NSStringFromClass([self class]), NSStringFromSelector(_cmd)]; } + if(objectIndex >= count) { [NSException raise:NSRangeException format:@"*** -[%@ %@]: index (%lu) beyond bounds (%lu)", NSStringFromClass([self class]), NSStringFromSelector(_cmd), objectIndex, count]; } + anObject = [anObject retain]; + _JKArrayReplaceObjectAtIndexWithObject(self, objectIndex, anObject); + mutations = (mutations == NSUIntegerMax) ? 1UL : mutations + 1UL; +} + +- (id)copyWithZone:(NSZone *)zone +{ + NSParameterAssert((objects != NULL) && (count <= capacity)); + return((mutations == 0UL) ? [self retain] : [[NSArray allocWithZone:zone] initWithObjects:objects count:count]); +} + +- (id)mutableCopyWithZone:(NSZone *)zone +{ + NSParameterAssert((objects != NULL) && (count <= capacity)); + return([[NSMutableArray allocWithZone:zone] initWithObjects:objects count:count]); +} + +@end + + +#pragma mark - +@interface JKDictionaryEnumerator : NSEnumerator { + id collection; + NSUInteger nextObject; +} + +- (id)initWithJKDictionary:(JKDictionary *)initDictionary; +- (NSArray *)allObjects; +- (id)nextObject; + +@end + +@implementation JKDictionaryEnumerator + +- (id)initWithJKDictionary:(JKDictionary *)initDictionary +{ + NSParameterAssert(initDictionary != NULL); + if((self = [super init]) == NULL) { return(NULL); } + if((collection = (id)CFRetain(initDictionary)) == NULL) { [self autorelease]; return(NULL); } + return(self); +} + +- (void)dealloc +{ + if(collection != NULL) { CFRelease(collection); collection = NULL; } + [super dealloc]; +} + +- (NSArray *)allObjects +{ + NSParameterAssert(collection != NULL); + NSUInteger count = [collection count], atObject = 0UL; + id objects[count]; + + while((objects[atObject] = [self nextObject]) != NULL) { NSParameterAssert(atObject < count); atObject++; } + + return([NSArray arrayWithObjects:objects count:atObject]); +} + +- (id)nextObject +{ + NSParameterAssert((collection != NULL) && (_JKDictionaryHashEntry(collection) != NULL)); + JKHashTableEntry *entry = _JKDictionaryHashEntry(collection); + NSUInteger capacity = _JKDictionaryCapacity(collection); + id returnObject = NULL; + + if(entry != NULL) { while((nextObject < capacity) && ((returnObject = entry[nextObject++].key) == NULL)) { /* ... */ } } + + return(returnObject); +} + +@end + +#pragma mark - +@interface JKDictionary : NSMutableDictionary { + NSUInteger count, capacity, mutations; + JKHashTableEntry *entry; +} +@end + +@implementation JKDictionary + +static Class _JKDictionaryClass = NULL; +static size_t _JKDictionaryInstanceSize = 0UL; + ++ (void)load +{ + NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; // Though technically not required, the run time environment at +load time may be less than ideal. + + _JKDictionaryClass = objc_getClass("JKDictionary"); + _JKDictionaryInstanceSize = jk_max(16UL, class_getInstanceSize(_JKDictionaryClass)); + + [pool release]; pool = NULL; +} + ++ (id)allocWithZone:(NSZone *)zone +{ +#pragma unused(zone) + [NSException raise:NSInvalidArgumentException format:@"*** - [%@ %@]: The %@ class is private to JSONKit and should not be used in this fashion.", NSStringFromClass([self class]), NSStringFromSelector(_cmd), NSStringFromClass([self class])]; + return(NULL); +} + +// These values are taken from Core Foundation CF-550 CFBasicHash.m. As a bonus, they align very well with our JKHashTableEntry struct too. +static const NSUInteger jk_dictionaryCapacities[] = { + 0UL, 3UL, 7UL, 13UL, 23UL, 41UL, 71UL, 127UL, 191UL, 251UL, 383UL, 631UL, 1087UL, 1723UL, + 2803UL, 4523UL, 7351UL, 11959UL, 19447UL, 31231UL, 50683UL, 81919UL, 132607UL, + 214519UL, 346607UL, 561109UL, 907759UL, 1468927UL, 2376191UL, 3845119UL, + 6221311UL, 10066421UL, 16287743UL, 26354171UL, 42641881UL, 68996069UL, + 111638519UL, 180634607UL, 292272623UL, 472907251UL +}; + +static NSUInteger _JKDictionaryCapacityForCount(NSUInteger count) { + NSUInteger bottom = 0UL, top = sizeof(jk_dictionaryCapacities) / sizeof(NSUInteger), mid = 0UL, tableSize = lround(floor((count) * 1.33)); + while(top > bottom) { mid = (top + bottom) / 2UL; if(jk_dictionaryCapacities[mid] < tableSize) { bottom = mid + 1UL; } else { top = mid; } } + return(jk_dictionaryCapacities[bottom]); +} + +static void _JKDictionaryResizeIfNeccessary(JKDictionary *dictionary) { + NSCParameterAssert((dictionary != NULL) && (dictionary->entry != NULL) && (dictionary->count <= dictionary->capacity)); + + NSUInteger capacityForCount = 0UL; + if(dictionary->capacity < (capacityForCount = _JKDictionaryCapacityForCount(dictionary->count + 1UL))) { // resize + NSUInteger oldCapacity = dictionary->capacity; +#ifndef NS_BLOCK_ASSERTIONS + NSUInteger oldCount = dictionary->count; +#endif + JKHashTableEntry *oldEntry = dictionary->entry; + if(JK_EXPECT_F((dictionary->entry = (JKHashTableEntry *)calloc(1UL, sizeof(JKHashTableEntry) * capacityForCount)) == NULL)) { [NSException raise:NSMallocException format:@"Unable to allocate memory for hash table."]; } + dictionary->capacity = capacityForCount; + dictionary->count = 0UL; + + NSUInteger idx = 0UL; + for(idx = 0UL; idx < oldCapacity; idx++) { if(oldEntry[idx].key != NULL) { _JKDictionaryAddObject(dictionary, oldEntry[idx].keyHash, oldEntry[idx].key, oldEntry[idx].object); oldEntry[idx].keyHash = 0UL; oldEntry[idx].key = NULL; oldEntry[idx].object = NULL; } } + NSCParameterAssert((oldCount == dictionary->count)); + free(oldEntry); oldEntry = NULL; + } +} + +static JKDictionary *_JKDictionaryCreate(id *keys, NSUInteger *keyHashes, id *objects, NSUInteger count, BOOL mutableCollection) { + NSCParameterAssert((keys != NULL) && (keyHashes != NULL) && (objects != NULL) && (_JKDictionaryClass != NULL) && (_JKDictionaryInstanceSize > 0UL)); + JKDictionary *dictionary = NULL; + if(JK_EXPECT_T((dictionary = (JKDictionary *)calloc(1UL, _JKDictionaryInstanceSize)) != NULL)) { // Directly allocate the JKDictionary instance via calloc. + dictionary->isa = _JKDictionaryClass; + if((dictionary = [dictionary init]) == NULL) { return(NULL); } + dictionary->capacity = _JKDictionaryCapacityForCount(count); + dictionary->count = 0UL; + + if(JK_EXPECT_F((dictionary->entry = (JKHashTableEntry *)calloc(1UL, sizeof(JKHashTableEntry) * dictionary->capacity)) == NULL)) { [dictionary autorelease]; return(NULL); } + + NSUInteger idx = 0UL; + for(idx = 0UL; idx < count; idx++) { _JKDictionaryAddObject(dictionary, keyHashes[idx], keys[idx], objects[idx]); } + + dictionary->mutations = (mutableCollection == NO) ? 0UL : 1UL; + } + return(dictionary); +} + +- (void)dealloc +{ + if(JK_EXPECT_T(entry != NULL)) { + NSUInteger atEntry = 0UL; + for(atEntry = 0UL; atEntry < capacity; atEntry++) { + if(JK_EXPECT_T(entry[atEntry].key != NULL)) { CFRelease(entry[atEntry].key); entry[atEntry].key = NULL; } + if(JK_EXPECT_T(entry[atEntry].object != NULL)) { CFRelease(entry[atEntry].object); entry[atEntry].object = NULL; } + } + + free(entry); entry = NULL; + } + + [super dealloc]; +} + +static JKHashTableEntry *_JKDictionaryHashEntry(JKDictionary *dictionary) { + NSCParameterAssert(dictionary != NULL); + return(dictionary->entry); +} + +static NSUInteger _JKDictionaryCapacity(JKDictionary *dictionary) { + NSCParameterAssert(dictionary != NULL); + return(dictionary->capacity); +} + +static void _JKDictionaryRemoveObjectWithEntry(JKDictionary *dictionary, JKHashTableEntry *entry) { + NSCParameterAssert((dictionary != NULL) && (entry != NULL) && (entry->key != NULL) && (entry->object != NULL) && (dictionary->count > 0UL) && (dictionary->count <= dictionary->capacity)); + CFRelease(entry->key); entry->key = NULL; + CFRelease(entry->object); entry->object = NULL; + entry->keyHash = 0UL; + dictionary->count--; + // In order for certain invariants that are used to speed up the search for a particular key, we need to "re-add" all the entries in the hash table following this entry until we hit a NULL entry. + NSUInteger removeIdx = entry - dictionary->entry, idx = 0UL; + NSCParameterAssert((removeIdx < dictionary->capacity)); + for(idx = 0UL; idx < dictionary->capacity; idx++) { + NSUInteger entryIdx = (removeIdx + idx + 1UL) % dictionary->capacity; + JKHashTableEntry *atEntry = &dictionary->entry[entryIdx]; + if(atEntry->key == NULL) { break; } + NSUInteger keyHash = atEntry->keyHash; + id key = atEntry->key, object = atEntry->object; + NSCParameterAssert(object != NULL); + atEntry->keyHash = 0UL; + atEntry->key = NULL; + atEntry->object = NULL; + NSUInteger addKeyEntry = keyHash % dictionary->capacity, addIdx = 0UL; + for(addIdx = 0UL; addIdx < dictionary->capacity; addIdx++) { + JKHashTableEntry *atAddEntry = &dictionary->entry[((addKeyEntry + addIdx) % dictionary->capacity)]; + if(JK_EXPECT_T(atAddEntry->key == NULL)) { NSCParameterAssert((atAddEntry->keyHash == 0UL) && (atAddEntry->object == NULL)); atAddEntry->key = key; atAddEntry->object = object; atAddEntry->keyHash = keyHash; break; } + } + } +} + +static void _JKDictionaryAddObject(JKDictionary *dictionary, NSUInteger keyHash, id key, id object) { + NSCParameterAssert((dictionary != NULL) && (key != NULL) && (object != NULL) && (dictionary->count < dictionary->capacity) && (dictionary->entry != NULL)); + NSUInteger keyEntry = keyHash % dictionary->capacity, idx = 0UL; + for(idx = 0UL; idx < dictionary->capacity; idx++) { + NSUInteger entryIdx = (keyEntry + idx) % dictionary->capacity; + JKHashTableEntry *atEntry = &dictionary->entry[entryIdx]; + if(JK_EXPECT_F(atEntry->keyHash == keyHash) && JK_EXPECT_T(atEntry->key != NULL) && (JK_EXPECT_F(key == atEntry->key) || JK_EXPECT_F(CFEqual(atEntry->key, key)))) { _JKDictionaryRemoveObjectWithEntry(dictionary, atEntry); } + if(JK_EXPECT_T(atEntry->key == NULL)) { NSCParameterAssert((atEntry->keyHash == 0UL) && (atEntry->object == NULL)); atEntry->key = key; atEntry->object = object; atEntry->keyHash = keyHash; dictionary->count++; return; } + } + + // We should never get here. If we do, we -release the key / object because it's our responsibility. + CFRelease(key); + CFRelease(object); +} + +- (NSUInteger)count +{ + return(count); +} + +static JKHashTableEntry *_JKDictionaryHashTableEntryForKey(JKDictionary *dictionary, id aKey) { + NSCParameterAssert((dictionary != NULL) && (dictionary->entry != NULL) && (dictionary->count <= dictionary->capacity)); + if((aKey == NULL) || (dictionary->capacity == 0UL)) { return(NULL); } + NSUInteger keyHash = CFHash(aKey), keyEntry = (keyHash % dictionary->capacity), idx = 0UL; + JKHashTableEntry *atEntry = NULL; + for(idx = 0UL; idx < dictionary->capacity; idx++) { + atEntry = &dictionary->entry[(keyEntry + idx) % dictionary->capacity]; + if(JK_EXPECT_T(atEntry->keyHash == keyHash) && JK_EXPECT_T(atEntry->key != NULL) && ((atEntry->key == aKey) || CFEqual(atEntry->key, aKey))) { NSCParameterAssert(atEntry->object != NULL); return(atEntry); break; } + if(JK_EXPECT_F(atEntry->key == NULL)) { NSCParameterAssert(atEntry->object == NULL); return(NULL); break; } // If the key was in the table, we would have found it by now. + } + return(NULL); +} + +- (id)objectForKey:(id)aKey +{ + NSParameterAssert((entry != NULL) && (count <= capacity)); + JKHashTableEntry *entryForKey = _JKDictionaryHashTableEntryForKey(self, aKey); + return((entryForKey != NULL) ? entryForKey->object : NULL); +} + +- (void)getObjects:(id *)objects andKeys:(id *)keys +{ + NSParameterAssert((entry != NULL) && (count <= capacity)); + NSUInteger atEntry = 0UL; NSUInteger arrayIdx = 0UL; + for(atEntry = 0UL; atEntry < capacity; atEntry++) { + if(JK_EXPECT_T(entry[atEntry].key != NULL)) { + NSCParameterAssert((entry[atEntry].object != NULL) && (arrayIdx < count)); + if(JK_EXPECT_T(keys != NULL)) { keys[arrayIdx] = entry[atEntry].key; } + if(JK_EXPECT_T(objects != NULL)) { objects[arrayIdx] = entry[atEntry].object; } + arrayIdx++; + } + } +} + +- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len +{ + NSParameterAssert((state != NULL) && (stackbuf != NULL) && (len > 0UL) && (entry != NULL) && (count <= capacity)); + if(JK_EXPECT_F(state->state == 0UL)) { state->mutationsPtr = (unsigned long *)&mutations; state->itemsPtr = stackbuf; } + if(JK_EXPECT_F(state->state >= capacity)) { return(0UL); } + + NSUInteger enumeratedCount = 0UL; + while(JK_EXPECT_T(enumeratedCount < len) && JK_EXPECT_T(state->state < capacity)) { if(JK_EXPECT_T(entry[state->state].key != NULL)) { stackbuf[enumeratedCount++] = entry[state->state].key; } state->state++; } + + return(enumeratedCount); +} + +- (NSEnumerator *)keyEnumerator +{ + return([[[JKDictionaryEnumerator alloc] initWithJKDictionary:self] autorelease]); +} + +- (void)setObject:(id)anObject forKey:(id)aKey +{ + if(mutations == 0UL) { [NSException raise:NSInternalInconsistencyException format:@"*** -[%@ %@]: mutating method sent to immutable object", NSStringFromClass([self class]), NSStringFromSelector(_cmd)]; } + if(aKey == NULL) { [NSException raise:NSInvalidArgumentException format:@"*** -[%@ %@]: attempt to insert nil key", NSStringFromClass([self class]), NSStringFromSelector(_cmd)]; } + if(anObject == NULL) { [NSException raise:NSInvalidArgumentException format:@"*** -[%@ %@]: attempt to insert nil value (key: %@)", NSStringFromClass([self class]), NSStringFromSelector(_cmd), aKey]; } + + _JKDictionaryResizeIfNeccessary(self); +#ifndef __clang_analyzer__ + aKey = [aKey copy]; // Why on earth would clang complain that this -copy "might leak", + anObject = [anObject retain]; // but this -retain doesn't!? +#endif // __clang_analyzer__ + _JKDictionaryAddObject(self, CFHash(aKey), aKey, anObject); + mutations = (mutations == NSUIntegerMax) ? 1UL : mutations + 1UL; +} + +- (void)removeObjectForKey:(id)aKey +{ + if(mutations == 0UL) { [NSException raise:NSInternalInconsistencyException format:@"*** -[%@ %@]: mutating method sent to immutable object", NSStringFromClass([self class]), NSStringFromSelector(_cmd)]; } + if(aKey == NULL) { [NSException raise:NSInvalidArgumentException format:@"*** -[%@ %@]: attempt to remove nil key", NSStringFromClass([self class]), NSStringFromSelector(_cmd)]; } + JKHashTableEntry *entryForKey = _JKDictionaryHashTableEntryForKey(self, aKey); + if(entryForKey != NULL) { + _JKDictionaryRemoveObjectWithEntry(self, entryForKey); + mutations = (mutations == NSUIntegerMax) ? 1UL : mutations + 1UL; + } +} + +- (id)copyWithZone:(NSZone *)zone +{ + NSParameterAssert((entry != NULL) && (count <= capacity)); + return((mutations == 0UL) ? [self retain] : [[NSDictionary allocWithZone:zone] initWithDictionary:self]); +} + +- (id)mutableCopyWithZone:(NSZone *)zone +{ + NSParameterAssert((entry != NULL) && (count <= capacity)); + return([[NSMutableDictionary allocWithZone:zone] initWithDictionary:self]); +} + +@end + + + +#pragma mark - + +JK_STATIC_INLINE size_t jk_min(size_t a, size_t b) { return((a < b) ? a : b); } +JK_STATIC_INLINE size_t jk_max(size_t a, size_t b) { return((a > b) ? a : b); } + +JK_STATIC_INLINE JKHash calculateHash(JKHash currentHash, unsigned char c) { return(((currentHash << 5) + currentHash) + c); } + +static void jk_error(JKParseState *parseState, NSString *format, ...) { + NSCParameterAssert((parseState != NULL) && (format != NULL)); + + va_list varArgsList; + va_start(varArgsList, format); + NSString *formatString = [[[NSString alloc] initWithFormat:format arguments:varArgsList] autorelease]; + va_end(varArgsList); + +#if 0 + const unsigned char *lineStart = parseState->stringBuffer.bytes.ptr + parseState->lineStartIndex; + const unsigned char *lineEnd = lineStart; + const unsigned char *atCharacterPtr = NULL; + + for(atCharacterPtr = lineStart; atCharacterPtr < JK_END_STRING_PTR(parseState); atCharacterPtr++) { lineEnd = atCharacterPtr; if(jk_parse_is_newline(parseState, atCharacterPtr)) { break; } } + + NSString *lineString = @"", *carretString = @""; + if(lineStart < JK_END_STRING_PTR(parseState)) { + lineString = [[[NSString alloc] initWithBytes:lineStart length:(lineEnd - lineStart) encoding:NSUTF8StringEncoding] autorelease]; + carretString = [NSString stringWithFormat:@"%*.*s^", (int)(parseState->atIndex - parseState->lineStartIndex), (int)(parseState->atIndex - parseState->lineStartIndex), " "]; + } +#endif + + if(parseState->error == NULL) { + parseState->error = [NSError errorWithDomain:@"JKErrorDomain" code:-1L userInfo: + [NSDictionary dictionaryWithObjectsAndKeys: + formatString, NSLocalizedDescriptionKey, + [NSNumber numberWithUnsignedLong:parseState->atIndex], @"JKAtIndexKey", + [NSNumber numberWithUnsignedLong:parseState->lineNumber], @"JKLineNumberKey", + //lineString, @"JKErrorLine0Key", + //carretString, @"JKErrorLine1Key", + NULL]]; + } +} + +#pragma mark - +#pragma mark Buffer and Object Stack management functions + +static void jk_managedBuffer_release(JKManagedBuffer *managedBuffer) { + if((managedBuffer->flags & JKManagedBufferMustFree)) { + if(managedBuffer->bytes.ptr != NULL) { free(managedBuffer->bytes.ptr); managedBuffer->bytes.ptr = NULL; } + managedBuffer->flags &= ~JKManagedBufferMustFree; + } + + managedBuffer->bytes.ptr = NULL; + managedBuffer->bytes.length = 0UL; + managedBuffer->flags &= ~JKManagedBufferLocationMask; +} + +static void jk_managedBuffer_setToStackBuffer(JKManagedBuffer *managedBuffer, unsigned char *ptr, size_t length) { + jk_managedBuffer_release(managedBuffer); + managedBuffer->bytes.ptr = ptr; + managedBuffer->bytes.length = length; + managedBuffer->flags = (managedBuffer->flags & ~JKManagedBufferLocationMask) | JKManagedBufferOnStack; +} + +static unsigned char *jk_managedBuffer_resize(JKManagedBuffer *managedBuffer, size_t newSize) { + size_t roundedUpNewSize = newSize; + + if(managedBuffer->roundSizeUpToMultipleOf > 0UL) { roundedUpNewSize = newSize + ((managedBuffer->roundSizeUpToMultipleOf - (newSize % managedBuffer->roundSizeUpToMultipleOf)) % managedBuffer->roundSizeUpToMultipleOf); } + + if((roundedUpNewSize != managedBuffer->bytes.length) && (roundedUpNewSize > managedBuffer->bytes.length)) { + if((managedBuffer->flags & JKManagedBufferLocationMask) == JKManagedBufferOnStack) { + NSCParameterAssert((managedBuffer->flags & JKManagedBufferMustFree) == 0); + unsigned char *newBuffer = NULL, *oldBuffer = managedBuffer->bytes.ptr; + + if((newBuffer = (unsigned char *)malloc(roundedUpNewSize)) == NULL) { return(NULL); } + memcpy(newBuffer, oldBuffer, jk_min(managedBuffer->bytes.length, roundedUpNewSize)); + managedBuffer->flags = (managedBuffer->flags & ~JKManagedBufferLocationMask) | (JKManagedBufferOnHeap | JKManagedBufferMustFree); + managedBuffer->bytes.ptr = newBuffer; + managedBuffer->bytes.length = roundedUpNewSize; + } else { + NSCParameterAssert(((managedBuffer->flags & JKManagedBufferMustFree) != 0) && ((managedBuffer->flags & JKManagedBufferLocationMask) == JKManagedBufferOnHeap)); + if((managedBuffer->bytes.ptr = (unsigned char *)reallocf(managedBuffer->bytes.ptr, roundedUpNewSize)) == NULL) { return(NULL); } + managedBuffer->bytes.length = roundedUpNewSize; + } + } + + return(managedBuffer->bytes.ptr); +} + + + +static void jk_objectStack_release(JKObjectStack *objectStack) { + NSCParameterAssert(objectStack != NULL); + + NSCParameterAssert(objectStack->index <= objectStack->count); + size_t atIndex = 0UL; + for(atIndex = 0UL; atIndex < objectStack->index; atIndex++) { + if(objectStack->objects[atIndex] != NULL) { CFRelease(objectStack->objects[atIndex]); objectStack->objects[atIndex] = NULL; } + if(objectStack->keys[atIndex] != NULL) { CFRelease(objectStack->keys[atIndex]); objectStack->keys[atIndex] = NULL; } + } + objectStack->index = 0UL; + + if(objectStack->flags & JKObjectStackMustFree) { + NSCParameterAssert((objectStack->flags & JKObjectStackLocationMask) == JKObjectStackOnHeap); + if(objectStack->objects != NULL) { free(objectStack->objects); objectStack->objects = NULL; } + if(objectStack->keys != NULL) { free(objectStack->keys); objectStack->keys = NULL; } + if(objectStack->cfHashes != NULL) { free(objectStack->cfHashes); objectStack->cfHashes = NULL; } + objectStack->flags &= ~JKObjectStackMustFree; + } + + objectStack->objects = NULL; + objectStack->keys = NULL; + objectStack->cfHashes = NULL; + + objectStack->count = 0UL; + objectStack->flags &= ~JKObjectStackLocationMask; +} + +static void jk_objectStack_setToStackBuffer(JKObjectStack *objectStack, void **objects, void **keys, CFHashCode *cfHashes, size_t count) { + NSCParameterAssert((objectStack != NULL) && (objects != NULL) && (keys != NULL) && (cfHashes != NULL) && (count > 0UL)); + jk_objectStack_release(objectStack); + objectStack->objects = objects; + objectStack->keys = keys; + objectStack->cfHashes = cfHashes; + objectStack->count = count; + objectStack->flags = (objectStack->flags & ~JKObjectStackLocationMask) | JKObjectStackOnStack; +#ifndef NS_BLOCK_ASSERTIONS + size_t idx; + for(idx = 0UL; idx < objectStack->count; idx++) { objectStack->objects[idx] = NULL; objectStack->keys[idx] = NULL; objectStack->cfHashes[idx] = 0UL; } +#endif +} + +static int jk_objectStack_resize(JKObjectStack *objectStack, size_t newCount) { + size_t roundedUpNewCount = newCount; + int returnCode = 0; + + void **newObjects = NULL, **newKeys = NULL; + CFHashCode *newCFHashes = NULL; + + if(objectStack->roundSizeUpToMultipleOf > 0UL) { roundedUpNewCount = newCount + ((objectStack->roundSizeUpToMultipleOf - (newCount % objectStack->roundSizeUpToMultipleOf)) % objectStack->roundSizeUpToMultipleOf); } + + if((roundedUpNewCount != objectStack->count) && (roundedUpNewCount > objectStack->count)) { + if((objectStack->flags & JKObjectStackLocationMask) == JKObjectStackOnStack) { + NSCParameterAssert((objectStack->flags & JKObjectStackMustFree) == 0); + + if((newObjects = (void ** )calloc(1UL, roundedUpNewCount * sizeof(void * ))) == NULL) { returnCode = 1; goto errorExit; } + memcpy(newObjects, objectStack->objects, jk_min(objectStack->count, roundedUpNewCount) * sizeof(void *)); + if((newKeys = (void ** )calloc(1UL, roundedUpNewCount * sizeof(void * ))) == NULL) { returnCode = 1; goto errorExit; } + memcpy(newKeys, objectStack->keys, jk_min(objectStack->count, roundedUpNewCount) * sizeof(void *)); + + if((newCFHashes = (CFHashCode *)calloc(1UL, roundedUpNewCount * sizeof(CFHashCode))) == NULL) { returnCode = 1; goto errorExit; } + memcpy(newCFHashes, objectStack->cfHashes, jk_min(objectStack->count, roundedUpNewCount) * sizeof(CFHashCode)); + + objectStack->flags = (objectStack->flags & ~JKObjectStackLocationMask) | (JKObjectStackOnHeap | JKObjectStackMustFree); + objectStack->objects = newObjects; newObjects = NULL; + objectStack->keys = newKeys; newKeys = NULL; + objectStack->cfHashes = newCFHashes; newCFHashes = NULL; + objectStack->count = roundedUpNewCount; + } else { + NSCParameterAssert(((objectStack->flags & JKObjectStackMustFree) != 0) && ((objectStack->flags & JKObjectStackLocationMask) == JKObjectStackOnHeap)); + if((newObjects = (void ** )realloc(objectStack->objects, roundedUpNewCount * sizeof(void * ))) != NULL) { objectStack->objects = newObjects; newObjects = NULL; } else { returnCode = 1; goto errorExit; } + if((newKeys = (void ** )realloc(objectStack->keys, roundedUpNewCount * sizeof(void * ))) != NULL) { objectStack->keys = newKeys; newKeys = NULL; } else { returnCode = 1; goto errorExit; } + if((newCFHashes = (CFHashCode *)realloc(objectStack->cfHashes, roundedUpNewCount * sizeof(CFHashCode))) != NULL) { objectStack->cfHashes = newCFHashes; newCFHashes = NULL; } else { returnCode = 1; goto errorExit; } + +#ifndef NS_BLOCK_ASSERTIONS + size_t idx; + for(idx = objectStack->count; idx < roundedUpNewCount; idx++) { objectStack->objects[idx] = NULL; objectStack->keys[idx] = NULL; objectStack->cfHashes[idx] = 0UL; } +#endif + objectStack->count = roundedUpNewCount; + } + } + +errorExit: + if(newObjects != NULL) { free(newObjects); newObjects = NULL; } + if(newKeys != NULL) { free(newKeys); newKeys = NULL; } + if(newCFHashes != NULL) { free(newCFHashes); newCFHashes = NULL; } + + return(returnCode); +} + +//////////// +#pragma mark - +#pragma mark Unicode related functions + +JK_STATIC_INLINE ConversionResult isValidCodePoint(UTF32 *u32CodePoint) { + ConversionResult result = conversionOK; + UTF32 ch = *u32CodePoint; + + if(JK_EXPECT_F(ch >= UNI_SUR_HIGH_START) && (JK_EXPECT_T(ch <= UNI_SUR_LOW_END))) { result = sourceIllegal; ch = UNI_REPLACEMENT_CHAR; goto finished; } + if(JK_EXPECT_F(ch >= 0xFDD0U) && (JK_EXPECT_F(ch <= 0xFDEFU) || JK_EXPECT_F((ch & 0xFFFEU) == 0xFFFEU)) && JK_EXPECT_T(ch <= 0x10FFFFU)) { result = sourceIllegal; ch = UNI_REPLACEMENT_CHAR; goto finished; } + if(JK_EXPECT_F(ch == 0U)) { result = sourceIllegal; ch = UNI_REPLACEMENT_CHAR; goto finished; } + +finished: + *u32CodePoint = ch; + return(result); +} + + +static int isLegalUTF8(const UTF8 *source, size_t length) { + const UTF8 *srcptr = source + length; + UTF8 a; + + switch(length) { + default: return(0); // Everything else falls through when "true"... + case 4: if(JK_EXPECT_F(((a = (*--srcptr)) < 0x80) || (a > 0xBF))) { return(0); } + case 3: if(JK_EXPECT_F(((a = (*--srcptr)) < 0x80) || (a > 0xBF))) { return(0); } + case 2: if(JK_EXPECT_F( (a = (*--srcptr)) > 0xBF )) { return(0); } + + switch(*source) { // no fall-through in this inner switch + case 0xE0: if(JK_EXPECT_F(a < 0xA0)) { return(0); } break; + case 0xED: if(JK_EXPECT_F(a > 0x9F)) { return(0); } break; + case 0xF0: if(JK_EXPECT_F(a < 0x90)) { return(0); } break; + case 0xF4: if(JK_EXPECT_F(a > 0x8F)) { return(0); } break; + default: if(JK_EXPECT_F(a < 0x80)) { return(0); } + } + + case 1: if(JK_EXPECT_F((JK_EXPECT_T(*source < 0xC2)) && JK_EXPECT_F(*source >= 0x80))) { return(0); } + } + + if(JK_EXPECT_F(*source > 0xF4)) { return(0); } + + return(1); +} + +static ConversionResult ConvertSingleCodePointInUTF8(const UTF8 *sourceStart, const UTF8 *sourceEnd, UTF8 const **nextUTF8, UTF32 *convertedUTF32) { + ConversionResult result = conversionOK; + const UTF8 *source = sourceStart; + UTF32 ch = 0UL; + +#if !defined(JK_FAST_TRAILING_BYTES) + unsigned short extraBytesToRead = trailingBytesForUTF8[*source]; +#else + unsigned short extraBytesToRead = __builtin_clz(((*source)^0xff) << 25); +#endif + + if(JK_EXPECT_F((source + extraBytesToRead + 1) > sourceEnd) || JK_EXPECT_F(!isLegalUTF8(source, extraBytesToRead + 1))) { + source++; + while((source < sourceEnd) && (((*source) & 0xc0) == 0x80) && ((source - sourceStart) < (extraBytesToRead + 1))) { source++; } + NSCParameterAssert(source <= sourceEnd); + result = ((source < sourceEnd) && (((*source) & 0xc0) != 0x80)) ? sourceIllegal : ((sourceStart + extraBytesToRead + 1) > sourceEnd) ? sourceExhausted : sourceIllegal; + ch = UNI_REPLACEMENT_CHAR; + goto finished; + } + + switch(extraBytesToRead) { // The cases all fall through. + case 5: ch += *source++; ch <<= 6; + case 4: ch += *source++; ch <<= 6; + case 3: ch += *source++; ch <<= 6; + case 2: ch += *source++; ch <<= 6; + case 1: ch += *source++; ch <<= 6; + case 0: ch += *source++; + } + ch -= offsetsFromUTF8[extraBytesToRead]; + + result = isValidCodePoint(&ch); + +finished: + *nextUTF8 = source; + *convertedUTF32 = ch; + + return(result); +} + + +static ConversionResult ConvertUTF32toUTF8 (UTF32 u32CodePoint, UTF8 **targetStart, UTF8 *targetEnd) { + const UTF32 byteMask = 0xBF, byteMark = 0x80; + ConversionResult result = conversionOK; + UTF8 *target = *targetStart; + UTF32 ch = u32CodePoint; + unsigned short bytesToWrite = 0; + + result = isValidCodePoint(&ch); + + // Figure out how many bytes the result will require. Turn any illegally large UTF32 things (> Plane 17) into replacement chars. + if(ch < (UTF32)0x80) { bytesToWrite = 1; } + else if(ch < (UTF32)0x800) { bytesToWrite = 2; } + else if(ch < (UTF32)0x10000) { bytesToWrite = 3; } + else if(ch <= UNI_MAX_LEGAL_UTF32) { bytesToWrite = 4; } + else { bytesToWrite = 3; ch = UNI_REPLACEMENT_CHAR; result = sourceIllegal; } + + target += bytesToWrite; + if (target > targetEnd) { target -= bytesToWrite; result = targetExhausted; goto finished; } + + switch (bytesToWrite) { // note: everything falls through. + case 4: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; + case 3: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; + case 2: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; + case 1: *--target = (UTF8) (ch | firstByteMark[bytesToWrite]); + } + + target += bytesToWrite; + +finished: + *targetStart = target; + return(result); +} + +JK_STATIC_INLINE int jk_string_add_unicodeCodePoint(JKParseState *parseState, uint32_t unicodeCodePoint, size_t *tokenBufferIdx, JKHash *stringHash) { + UTF8 *u8s = &parseState->token.tokenBuffer.bytes.ptr[*tokenBufferIdx]; + ConversionResult result; + + if((result = ConvertUTF32toUTF8(unicodeCodePoint, &u8s, (parseState->token.tokenBuffer.bytes.ptr + parseState->token.tokenBuffer.bytes.length))) != conversionOK) { if(result == targetExhausted) { return(1); } } + size_t utf8len = u8s - &parseState->token.tokenBuffer.bytes.ptr[*tokenBufferIdx], nextIdx = (*tokenBufferIdx) + utf8len; + + while(*tokenBufferIdx < nextIdx) { *stringHash = calculateHash(*stringHash, parseState->token.tokenBuffer.bytes.ptr[(*tokenBufferIdx)++]); } + + return(0); +} + +//////////// +#pragma mark - +#pragma mark Decoding / parsing / deserializing functions + +static int jk_parse_string(JKParseState *parseState) { + NSCParameterAssert((parseState != NULL) && (JK_AT_STRING_PTR(parseState) <= JK_END_STRING_PTR(parseState))); + const unsigned char *stringStart = JK_AT_STRING_PTR(parseState) + 1; + const unsigned char *endOfBuffer = JK_END_STRING_PTR(parseState); + const unsigned char *atStringCharacter = stringStart; + unsigned char *tokenBuffer = parseState->token.tokenBuffer.bytes.ptr; + size_t tokenStartIndex = parseState->atIndex; + size_t tokenBufferIdx = 0UL; + + int onlySimpleString = 1, stringState = JSONStringStateStart; + uint16_t escapedUnicode1 = 0U, escapedUnicode2 = 0U; + uint32_t escapedUnicodeCodePoint = 0U; + JKHash stringHash = JK_HASH_INIT; + + while(1) { + unsigned long currentChar; + + if(JK_EXPECT_F(atStringCharacter == endOfBuffer)) { /* XXX Add error message */ stringState = JSONStringStateError; goto finishedParsing; } + + if(JK_EXPECT_F((currentChar = *atStringCharacter++) >= 0x80UL)) { + const unsigned char *nextValidCharacter = NULL; + UTF32 u32ch = 0U; + ConversionResult result; + + if(JK_EXPECT_F((result = ConvertSingleCodePointInUTF8(atStringCharacter - 1, endOfBuffer, (UTF8 const **)&nextValidCharacter, &u32ch)) != conversionOK)) { goto switchToSlowPath; } + stringHash = calculateHash(stringHash, currentChar); + while(atStringCharacter < nextValidCharacter) { NSCParameterAssert(JK_AT_STRING_PTR(parseState) <= JK_END_STRING_PTR(parseState)); stringHash = calculateHash(stringHash, *atStringCharacter++); } + continue; + } else { + if(JK_EXPECT_F(currentChar == (unsigned long)'"')) { stringState = JSONStringStateFinished; goto finishedParsing; } + + if(JK_EXPECT_F(currentChar == (unsigned long)'\\')) { + switchToSlowPath: + onlySimpleString = 0; + stringState = JSONStringStateParsing; + tokenBufferIdx = (atStringCharacter - stringStart) - 1L; + if(JK_EXPECT_F((tokenBufferIdx + 16UL) > parseState->token.tokenBuffer.bytes.length)) { if((tokenBuffer = jk_managedBuffer_resize(&parseState->token.tokenBuffer, tokenBufferIdx + 1024UL)) == NULL) { jk_error(parseState, @"Internal error: Unable to resize temporary buffer. %@ line #%ld", [NSString stringWithUTF8String:__FILE__], (long)__LINE__); stringState = JSONStringStateError; goto finishedParsing; } } + memcpy(tokenBuffer, stringStart, tokenBufferIdx); + goto slowMatch; + } + + if(JK_EXPECT_F(currentChar < 0x20UL)) { jk_error(parseState, @"Invalid character < 0x20 found in string: 0x%2.2x.", currentChar); stringState = JSONStringStateError; goto finishedParsing; } + + stringHash = calculateHash(stringHash, currentChar); + } + } + +slowMatch: + + for(atStringCharacter = (stringStart + ((atStringCharacter - stringStart) - 1L)); (atStringCharacter < endOfBuffer) && (tokenBufferIdx < parseState->token.tokenBuffer.bytes.length); atStringCharacter++) { + if((tokenBufferIdx + 16UL) > parseState->token.tokenBuffer.bytes.length) { if((tokenBuffer = jk_managedBuffer_resize(&parseState->token.tokenBuffer, tokenBufferIdx + 1024UL)) == NULL) { jk_error(parseState, @"Internal error: Unable to resize temporary buffer. %@ line #%ld", [NSString stringWithUTF8String:__FILE__], (long)__LINE__); stringState = JSONStringStateError; goto finishedParsing; } } + + NSCParameterAssert(tokenBufferIdx < parseState->token.tokenBuffer.bytes.length); + + unsigned long currentChar = (*atStringCharacter), escapedChar; + + if(JK_EXPECT_T(stringState == JSONStringStateParsing)) { + if(JK_EXPECT_T(currentChar >= 0x20UL)) { + if(JK_EXPECT_T(currentChar < (unsigned long)0x80)) { // Not a UTF8 sequence + if(JK_EXPECT_F(currentChar == (unsigned long)'"')) { stringState = JSONStringStateFinished; atStringCharacter++; goto finishedParsing; } + if(JK_EXPECT_F(currentChar == (unsigned long)'\\')) { stringState = JSONStringStateEscape; continue; } + stringHash = calculateHash(stringHash, currentChar); + tokenBuffer[tokenBufferIdx++] = currentChar; + continue; + } else { // UTF8 sequence + const unsigned char *nextValidCharacter = NULL; + UTF32 u32ch = 0U; + ConversionResult result; + + if(JK_EXPECT_F((result = ConvertSingleCodePointInUTF8(atStringCharacter, endOfBuffer, (UTF8 const **)&nextValidCharacter, &u32ch)) != conversionOK)) { + if((result == sourceIllegal) && ((parseState->parseOptionFlags & JKParseOptionLooseUnicode) == 0)) { jk_error(parseState, @"Illegal UTF8 sequence found in \"\" string."); stringState = JSONStringStateError; goto finishedParsing; } + if(result == sourceExhausted) { jk_error(parseState, @"End of buffer reached while parsing UTF8 in \"\" string."); stringState = JSONStringStateError; goto finishedParsing; } + if(jk_string_add_unicodeCodePoint(parseState, u32ch, &tokenBufferIdx, &stringHash)) { jk_error(parseState, @"Internal error: Unable to add UTF8 sequence to internal string buffer. %@ line #%ld", [NSString stringWithUTF8String:__FILE__], (long)__LINE__); stringState = JSONStringStateError; goto finishedParsing; } + atStringCharacter = nextValidCharacter - 1; + continue; + } else { + while(atStringCharacter < nextValidCharacter) { tokenBuffer[tokenBufferIdx++] = *atStringCharacter; stringHash = calculateHash(stringHash, *atStringCharacter++); } + atStringCharacter--; + continue; + } + } + } else { // currentChar < 0x20 + jk_error(parseState, @"Invalid character < 0x20 found in string: 0x%2.2x.", currentChar); stringState = JSONStringStateError; goto finishedParsing; + } + + } else { // stringState != JSONStringStateParsing + int isSurrogate = 1; + + switch(stringState) { + case JSONStringStateEscape: + switch(currentChar) { + case 'u': escapedUnicode1 = 0U; escapedUnicode2 = 0U; escapedUnicodeCodePoint = 0U; stringState = JSONStringStateEscapedUnicode1; break; + + case 'b': escapedChar = '\b'; goto parsedEscapedChar; + case 'f': escapedChar = '\f'; goto parsedEscapedChar; + case 'n': escapedChar = '\n'; goto parsedEscapedChar; + case 'r': escapedChar = '\r'; goto parsedEscapedChar; + case 't': escapedChar = '\t'; goto parsedEscapedChar; + case '\\': escapedChar = '\\'; goto parsedEscapedChar; + case '/': escapedChar = '/'; goto parsedEscapedChar; + case '"': escapedChar = '"'; goto parsedEscapedChar; + + parsedEscapedChar: + stringState = JSONStringStateParsing; + stringHash = calculateHash(stringHash, escapedChar); + tokenBuffer[tokenBufferIdx++] = escapedChar; + break; + + default: jk_error(parseState, @"Invalid escape sequence found in \"\" string."); stringState = JSONStringStateError; goto finishedParsing; break; + } + break; + + case JSONStringStateEscapedUnicode1: + case JSONStringStateEscapedUnicode2: + case JSONStringStateEscapedUnicode3: + case JSONStringStateEscapedUnicode4: isSurrogate = 0; + case JSONStringStateEscapedUnicodeSurrogate1: + case JSONStringStateEscapedUnicodeSurrogate2: + case JSONStringStateEscapedUnicodeSurrogate3: + case JSONStringStateEscapedUnicodeSurrogate4: + { + uint16_t hexValue = 0U; + + switch(currentChar) { + case '0' ... '9': hexValue = currentChar - '0'; goto parsedHex; + case 'a' ... 'f': hexValue = (currentChar - 'a') + 10U; goto parsedHex; + case 'A' ... 'F': hexValue = (currentChar - 'A') + 10U; goto parsedHex; + + parsedHex: + if(!isSurrogate) { escapedUnicode1 = (escapedUnicode1 << 4) | hexValue; } else { escapedUnicode2 = (escapedUnicode2 << 4) | hexValue; } + + if(stringState == JSONStringStateEscapedUnicode4) { + if(((escapedUnicode1 >= 0xD800U) && (escapedUnicode1 < 0xE000U))) { + if((escapedUnicode1 >= 0xD800U) && (escapedUnicode1 < 0xDC00U)) { stringState = JSONStringStateEscapedNeedEscapeForSurrogate; } + else if((escapedUnicode1 >= 0xDC00U) && (escapedUnicode1 < 0xE000U)) { + if((parseState->parseOptionFlags & JKParseOptionLooseUnicode)) { escapedUnicodeCodePoint = UNI_REPLACEMENT_CHAR; } + else { jk_error(parseState, @"Illegal \\u Unicode escape sequence."); stringState = JSONStringStateError; goto finishedParsing; } + } + } + else { escapedUnicodeCodePoint = escapedUnicode1; } + } + + if(stringState == JSONStringStateEscapedUnicodeSurrogate4) { + if((escapedUnicode2 < 0xdc00) || (escapedUnicode2 > 0xdfff)) { + if((parseState->parseOptionFlags & JKParseOptionLooseUnicode)) { escapedUnicodeCodePoint = UNI_REPLACEMENT_CHAR; } + else { jk_error(parseState, @"Illegal \\u Unicode escape sequence."); stringState = JSONStringStateError; goto finishedParsing; } + } + else { escapedUnicodeCodePoint = ((escapedUnicode1 - 0xd800) * 0x400) + (escapedUnicode2 - 0xdc00) + 0x10000; } + } + + if((stringState == JSONStringStateEscapedUnicode4) || (stringState == JSONStringStateEscapedUnicodeSurrogate4)) { + if((isValidCodePoint(&escapedUnicodeCodePoint) == sourceIllegal) && ((parseState->parseOptionFlags & JKParseOptionLooseUnicode) == 0)) { jk_error(parseState, @"Illegal \\u Unicode escape sequence."); stringState = JSONStringStateError; goto finishedParsing; } + stringState = JSONStringStateParsing; + if(jk_string_add_unicodeCodePoint(parseState, escapedUnicodeCodePoint, &tokenBufferIdx, &stringHash)) { jk_error(parseState, @"Internal error: Unable to add UTF8 sequence to internal string buffer. %@ line #%ld", [NSString stringWithUTF8String:__FILE__], (long)__LINE__); stringState = JSONStringStateError; goto finishedParsing; } + } + else if((stringState >= JSONStringStateEscapedUnicode1) && (stringState <= JSONStringStateEscapedUnicodeSurrogate4)) { stringState++; } + break; + + default: jk_error(parseState, @"Unexpected character found in \\u Unicode escape sequence. Found '%c', expected [0-9a-fA-F].", currentChar); stringState = JSONStringStateError; goto finishedParsing; break; + } + } + break; + + case JSONStringStateEscapedNeedEscapeForSurrogate: + if((currentChar == '\\')) { stringState = JSONStringStateEscapedNeedEscapedUForSurrogate; } + else { + if((parseState->parseOptionFlags & JKParseOptionLooseUnicode) == 0) { jk_error(parseState, @"Required a second \\u Unicode escape sequence following a surrogate \\u Unicode escape sequence."); stringState = JSONStringStateError; goto finishedParsing; } + else { stringState = JSONStringStateParsing; atStringCharacter--; if(jk_string_add_unicodeCodePoint(parseState, UNI_REPLACEMENT_CHAR, &tokenBufferIdx, &stringHash)) { jk_error(parseState, @"Internal error: Unable to add UTF8 sequence to internal string buffer. %@ line #%ld", [NSString stringWithUTF8String:__FILE__], (long)__LINE__); stringState = JSONStringStateError; goto finishedParsing; } } + } + break; + + case JSONStringStateEscapedNeedEscapedUForSurrogate: + if(currentChar == 'u') { stringState = JSONStringStateEscapedUnicodeSurrogate1; } + else { + if((parseState->parseOptionFlags & JKParseOptionLooseUnicode) == 0) { jk_error(parseState, @"Required a second \\u Unicode escape sequence following a surrogate \\u Unicode escape sequence."); stringState = JSONStringStateError; goto finishedParsing; } + else { stringState = JSONStringStateParsing; atStringCharacter -= 2; if(jk_string_add_unicodeCodePoint(parseState, UNI_REPLACEMENT_CHAR, &tokenBufferIdx, &stringHash)) { jk_error(parseState, @"Internal error: Unable to add UTF8 sequence to internal string buffer. %@ line #%ld", [NSString stringWithUTF8String:__FILE__], (long)__LINE__); stringState = JSONStringStateError; goto finishedParsing; } } + } + break; + + default: jk_error(parseState, @"Internal error: Unknown stringState. %@ line #%ld", [NSString stringWithUTF8String:__FILE__], (long)__LINE__); stringState = JSONStringStateError; goto finishedParsing; break; + } + } + } + +finishedParsing: + + if(JK_EXPECT_T(stringState == JSONStringStateFinished)) { + NSCParameterAssert((parseState->stringBuffer.bytes.ptr + tokenStartIndex) < atStringCharacter); + + parseState->token.tokenPtrRange.ptr = parseState->stringBuffer.bytes.ptr + tokenStartIndex; + parseState->token.tokenPtrRange.length = (atStringCharacter - parseState->token.tokenPtrRange.ptr); + + if(JK_EXPECT_T(onlySimpleString)) { + NSCParameterAssert(((parseState->token.tokenPtrRange.ptr + 1) < endOfBuffer) && (parseState->token.tokenPtrRange.length >= 2UL) && (((parseState->token.tokenPtrRange.ptr + 1) + (parseState->token.tokenPtrRange.length - 2)) < endOfBuffer)); + parseState->token.value.ptrRange.ptr = parseState->token.tokenPtrRange.ptr + 1; + parseState->token.value.ptrRange.length = parseState->token.tokenPtrRange.length - 2UL; + } else { + parseState->token.value.ptrRange.ptr = parseState->token.tokenBuffer.bytes.ptr; + parseState->token.value.ptrRange.length = tokenBufferIdx; + } + + parseState->token.value.hash = stringHash; + parseState->token.value.type = JKValueTypeString; + parseState->atIndex = (atStringCharacter - parseState->stringBuffer.bytes.ptr); + } + + if(JK_EXPECT_F(stringState != JSONStringStateFinished)) { jk_error(parseState, @"Invalid string."); } + return(JK_EXPECT_T(stringState == JSONStringStateFinished) ? 0 : 1); +} + +static int jk_parse_number(JKParseState *parseState) { + NSCParameterAssert((parseState != NULL) && (JK_AT_STRING_PTR(parseState) <= JK_END_STRING_PTR(parseState))); + const unsigned char *numberStart = JK_AT_STRING_PTR(parseState); + const unsigned char *endOfBuffer = JK_END_STRING_PTR(parseState); + const unsigned char *atNumberCharacter = NULL; + int numberState = JSONNumberStateWholeNumberStart, isFloatingPoint = 0, isNegative = 0, backup = 0; + size_t startingIndex = parseState->atIndex; + + for(atNumberCharacter = numberStart; (JK_EXPECT_T(atNumberCharacter < endOfBuffer)) && (JK_EXPECT_T(!(JK_EXPECT_F(numberState == JSONNumberStateFinished) || JK_EXPECT_F(numberState == JSONNumberStateError)))); atNumberCharacter++) { + unsigned long currentChar = (unsigned long)(*atNumberCharacter), lowerCaseCC = currentChar | 0x20UL; + + switch(numberState) { + case JSONNumberStateWholeNumberStart: if (currentChar == '-') { numberState = JSONNumberStateWholeNumberMinus; isNegative = 1; break; } + case JSONNumberStateWholeNumberMinus: if (currentChar == '0') { numberState = JSONNumberStateWholeNumberZero; break; } + else if( (currentChar >= '1') && (currentChar <= '9')) { numberState = JSONNumberStateWholeNumber; break; } + else { /* XXX Add error message */ numberState = JSONNumberStateError; break; } + case JSONNumberStateExponentStart: if( (currentChar == '+') || (currentChar == '-')) { numberState = JSONNumberStateExponentPlusMinus; break; } + case JSONNumberStateFractionalNumberStart: + case JSONNumberStateExponentPlusMinus:if(!((currentChar >= '0') && (currentChar <= '9'))) { /* XXX Add error message */ numberState = JSONNumberStateError; break; } + else { if(numberState == JSONNumberStateFractionalNumberStart) { numberState = JSONNumberStateFractionalNumber; } + else { numberState = JSONNumberStateExponent; } break; } + case JSONNumberStateWholeNumberZero: + case JSONNumberStateWholeNumber: if (currentChar == '.') { numberState = JSONNumberStateFractionalNumberStart; isFloatingPoint = 1; break; } + case JSONNumberStateFractionalNumber: if (lowerCaseCC == 'e') { numberState = JSONNumberStateExponentStart; isFloatingPoint = 1; break; } + case JSONNumberStateExponent: if(!((currentChar >= '0') && (currentChar <= '9')) || (numberState == JSONNumberStateWholeNumberZero)) { numberState = JSONNumberStateFinished; backup = 1; break; } + break; + default: /* XXX Add error message */ numberState = JSONNumberStateError; break; + } + } + + parseState->token.tokenPtrRange.ptr = parseState->stringBuffer.bytes.ptr + startingIndex; + parseState->token.tokenPtrRange.length = (atNumberCharacter - parseState->token.tokenPtrRange.ptr) - backup; + parseState->atIndex = (parseState->token.tokenPtrRange.ptr + parseState->token.tokenPtrRange.length) - parseState->stringBuffer.bytes.ptr; + + if(JK_EXPECT_T(numberState == JSONNumberStateFinished)) { + unsigned char numberTempBuf[parseState->token.tokenPtrRange.length + 4UL]; + unsigned char *endOfNumber = NULL; + + memcpy(numberTempBuf, parseState->token.tokenPtrRange.ptr, parseState->token.tokenPtrRange.length); + numberTempBuf[parseState->token.tokenPtrRange.length] = 0; + + errno = 0; + + // Treat "-0" as a floating point number, which is capable of representing negative zeros. + if(JK_EXPECT_F(parseState->token.tokenPtrRange.length == 2UL) && JK_EXPECT_F(numberTempBuf[1] == '0') && JK_EXPECT_F(isNegative)) { isFloatingPoint = 1; } + + if(isFloatingPoint) { + parseState->token.value.number.doubleValue = strtod((const char *)numberTempBuf, (char **)&endOfNumber); // strtod is documented to return U+2261 (identical to) 0.0 on an underflow error (along with setting errno to ERANGE). + parseState->token.value.type = JKValueTypeDouble; + parseState->token.value.ptrRange.ptr = (const unsigned char *)&parseState->token.value.number.doubleValue; + parseState->token.value.ptrRange.length = sizeof(double); + parseState->token.value.hash = (JK_HASH_INIT + parseState->token.value.type); + } else { + if(isNegative) { + parseState->token.value.number.longLongValue = strtoll((const char *)numberTempBuf, (char **)&endOfNumber, 10); + parseState->token.value.type = JKValueTypeLongLong; + parseState->token.value.ptrRange.ptr = (const unsigned char *)&parseState->token.value.number.longLongValue; + parseState->token.value.ptrRange.length = sizeof(long long); + parseState->token.value.hash = (JK_HASH_INIT + parseState->token.value.type) + (JKHash)parseState->token.value.number.longLongValue; + } else { + parseState->token.value.number.unsignedLongLongValue = strtoull((const char *)numberTempBuf, (char **)&endOfNumber, 10); + parseState->token.value.type = JKValueTypeUnsignedLongLong; + parseState->token.value.ptrRange.ptr = (const unsigned char *)&parseState->token.value.number.unsignedLongLongValue; + parseState->token.value.ptrRange.length = sizeof(unsigned long long); + parseState->token.value.hash = (JK_HASH_INIT + parseState->token.value.type) + (JKHash)parseState->token.value.number.unsignedLongLongValue; + } + } + + if(JK_EXPECT_F(errno != 0)) { + numberState = JSONNumberStateError; + if(errno == ERANGE) { + switch(parseState->token.value.type) { + case JKValueTypeDouble: jk_error(parseState, @"The value '%s' could not be represented as a 'double' due to %s.", numberTempBuf, (parseState->token.value.number.doubleValue == 0.0) ? "underflow" : "overflow"); break; // see above for == 0.0. + case JKValueTypeLongLong: jk_error(parseState, @"The value '%s' exceeded the minimum value that could be represented: %lld.", numberTempBuf, parseState->token.value.number.longLongValue); break; + case JKValueTypeUnsignedLongLong: jk_error(parseState, @"The value '%s' exceeded the maximum value that could be represented: %llu.", numberTempBuf, parseState->token.value.number.unsignedLongLongValue); break; + default: jk_error(parseState, @"Internal error: Unknown token value type. %@ line #%ld", [NSString stringWithUTF8String:__FILE__], (long)__LINE__); break; + } + } + } + if(JK_EXPECT_F(endOfNumber != &numberTempBuf[parseState->token.tokenPtrRange.length]) && JK_EXPECT_F(numberState != JSONNumberStateError)) { numberState = JSONNumberStateError; jk_error(parseState, @"The conversion function did not consume all of the number tokens characters."); } + + size_t hashIndex = 0UL; + for(hashIndex = 0UL; hashIndex < parseState->token.value.ptrRange.length; hashIndex++) { parseState->token.value.hash = calculateHash(parseState->token.value.hash, parseState->token.value.ptrRange.ptr[hashIndex]); } + } + + if(JK_EXPECT_F(numberState != JSONNumberStateFinished)) { jk_error(parseState, @"Invalid number."); } + return(JK_EXPECT_T((numberState == JSONNumberStateFinished)) ? 0 : 1); +} + +JK_STATIC_INLINE void jk_set_parsed_token(JKParseState *parseState, const unsigned char *ptr, size_t length, JKTokenType type, size_t advanceBy) { + parseState->token.tokenPtrRange.ptr = ptr; + parseState->token.tokenPtrRange.length = length; + parseState->token.type = type; + parseState->atIndex += advanceBy; +} + +static size_t jk_parse_is_newline(JKParseState *parseState, const unsigned char *atCharacterPtr) { + NSCParameterAssert((parseState != NULL) && (atCharacterPtr != NULL) && (atCharacterPtr >= parseState->stringBuffer.bytes.ptr) && (atCharacterPtr < JK_END_STRING_PTR(parseState))); + const unsigned char *endOfStringPtr = JK_END_STRING_PTR(parseState); + + if(JK_EXPECT_F(atCharacterPtr >= endOfStringPtr)) { return(0UL); } + + if(JK_EXPECT_F((*(atCharacterPtr + 0)) == '\n')) { return(1UL); } + if(JK_EXPECT_F((*(atCharacterPtr + 0)) == '\r')) { if((JK_EXPECT_T((atCharacterPtr + 1) < endOfStringPtr)) && ((*(atCharacterPtr + 1)) == '\n')) { return(2UL); } return(1UL); } + if(parseState->parseOptionFlags & JKParseOptionUnicodeNewlines) { + if((JK_EXPECT_F((*(atCharacterPtr + 0)) == 0xc2)) && (((atCharacterPtr + 1) < endOfStringPtr) && ((*(atCharacterPtr + 1)) == 0x85))) { return(2UL); } + if((JK_EXPECT_F((*(atCharacterPtr + 0)) == 0xe2)) && (((atCharacterPtr + 2) < endOfStringPtr) && ((*(atCharacterPtr + 1)) == 0x80) && (((*(atCharacterPtr + 2)) == 0xa8) || ((*(atCharacterPtr + 2)) == 0xa9)))) { return(3UL); } + } + + return(0UL); +} + +JK_STATIC_INLINE int jk_parse_skip_newline(JKParseState *parseState) { + size_t newlineAdvanceAtIndex = 0UL; + if(JK_EXPECT_F((newlineAdvanceAtIndex = jk_parse_is_newline(parseState, JK_AT_STRING_PTR(parseState))) > 0UL)) { parseState->lineNumber++; parseState->atIndex += (newlineAdvanceAtIndex - 1UL); parseState->lineStartIndex = parseState->atIndex + 1UL; return(1); } + return(0); +} + +JK_STATIC_INLINE void jk_parse_skip_whitespace(JKParseState *parseState) { +#ifndef __clang_analyzer__ + NSCParameterAssert((parseState != NULL) && (JK_AT_STRING_PTR(parseState) <= JK_END_STRING_PTR(parseState))); + const unsigned char *atCharacterPtr = NULL; + const unsigned char *endOfStringPtr = JK_END_STRING_PTR(parseState); + + for(atCharacterPtr = JK_AT_STRING_PTR(parseState); (JK_EXPECT_T((atCharacterPtr = JK_AT_STRING_PTR(parseState)) < endOfStringPtr)); parseState->atIndex++) { + if(((*(atCharacterPtr + 0)) == ' ') || ((*(atCharacterPtr + 0)) == '\t')) { continue; } + if(jk_parse_skip_newline(parseState)) { continue; } + if(parseState->parseOptionFlags & JKParseOptionComments) { + if((JK_EXPECT_F((*(atCharacterPtr + 0)) == '/')) && (JK_EXPECT_T((atCharacterPtr + 1) < endOfStringPtr))) { + if((*(atCharacterPtr + 1)) == '/') { + parseState->atIndex++; + for(atCharacterPtr = JK_AT_STRING_PTR(parseState); (JK_EXPECT_T((atCharacterPtr = JK_AT_STRING_PTR(parseState)) < endOfStringPtr)); parseState->atIndex++) { if(jk_parse_skip_newline(parseState)) { break; } } + continue; + } + if((*(atCharacterPtr + 1)) == '*') { + parseState->atIndex++; + for(atCharacterPtr = JK_AT_STRING_PTR(parseState); (JK_EXPECT_T((atCharacterPtr = JK_AT_STRING_PTR(parseState)) < endOfStringPtr)); parseState->atIndex++) { + if(jk_parse_skip_newline(parseState)) { continue; } + if(((*(atCharacterPtr + 0)) == '*') && (((atCharacterPtr + 1) < endOfStringPtr) && ((*(atCharacterPtr + 1)) == '/'))) { parseState->atIndex++; break; } + } + continue; + } + } + } + break; + } +#endif +} + +static int jk_parse_next_token(JKParseState *parseState) { + NSCParameterAssert((parseState != NULL) && (JK_AT_STRING_PTR(parseState) <= JK_END_STRING_PTR(parseState))); + const unsigned char *atCharacterPtr = NULL; + const unsigned char *endOfStringPtr = JK_END_STRING_PTR(parseState); + unsigned char currentCharacter = 0U; + int stopParsing = 0; + + parseState->prev_atIndex = parseState->atIndex; + parseState->prev_lineNumber = parseState->lineNumber; + parseState->prev_lineStartIndex = parseState->lineStartIndex; + + jk_parse_skip_whitespace(parseState); + + if((JK_AT_STRING_PTR(parseState) == endOfStringPtr)) { stopParsing = 1; } + + if((JK_EXPECT_T(stopParsing == 0)) && (JK_EXPECT_T((atCharacterPtr = JK_AT_STRING_PTR(parseState)) < endOfStringPtr))) { + currentCharacter = *atCharacterPtr; + + if(JK_EXPECT_T(currentCharacter == '"')) { if(JK_EXPECT_T((stopParsing = jk_parse_string(parseState)) == 0)) { jk_set_parsed_token(parseState, parseState->token.tokenPtrRange.ptr, parseState->token.tokenPtrRange.length, JKTokenTypeString, 0UL); } } + else if(JK_EXPECT_T(currentCharacter == ':')) { jk_set_parsed_token(parseState, atCharacterPtr, 1UL, JKTokenTypeSeparator, 1UL); } + else if(JK_EXPECT_T(currentCharacter == ',')) { jk_set_parsed_token(parseState, atCharacterPtr, 1UL, JKTokenTypeComma, 1UL); } + else if((JK_EXPECT_T(currentCharacter >= '0') && JK_EXPECT_T(currentCharacter <= '9')) || JK_EXPECT_T(currentCharacter == '-')) { if(JK_EXPECT_T((stopParsing = jk_parse_number(parseState)) == 0)) { jk_set_parsed_token(parseState, parseState->token.tokenPtrRange.ptr, parseState->token.tokenPtrRange.length, JKTokenTypeNumber, 0UL); } } + else if(JK_EXPECT_T(currentCharacter == '{')) { jk_set_parsed_token(parseState, atCharacterPtr, 1UL, JKTokenTypeObjectBegin, 1UL); } + else if(JK_EXPECT_T(currentCharacter == '}')) { jk_set_parsed_token(parseState, atCharacterPtr, 1UL, JKTokenTypeObjectEnd, 1UL); } + else if(JK_EXPECT_T(currentCharacter == '[')) { jk_set_parsed_token(parseState, atCharacterPtr, 1UL, JKTokenTypeArrayBegin, 1UL); } + else if(JK_EXPECT_T(currentCharacter == ']')) { jk_set_parsed_token(parseState, atCharacterPtr, 1UL, JKTokenTypeArrayEnd, 1UL); } + + else if(JK_EXPECT_T(currentCharacter == 't')) { if(!((JK_EXPECT_T((atCharacterPtr + 4UL) < endOfStringPtr)) && (JK_EXPECT_T(atCharacterPtr[1] == 'r')) && (JK_EXPECT_T(atCharacterPtr[2] == 'u')) && (JK_EXPECT_T(atCharacterPtr[3] == 'e')))) { stopParsing = 1; /* XXX Add error message */ } else { jk_set_parsed_token(parseState, atCharacterPtr, 4UL, JKTokenTypeTrue, 4UL); } } + else if(JK_EXPECT_T(currentCharacter == 'f')) { if(!((JK_EXPECT_T((atCharacterPtr + 5UL) < endOfStringPtr)) && (JK_EXPECT_T(atCharacterPtr[1] == 'a')) && (JK_EXPECT_T(atCharacterPtr[2] == 'l')) && (JK_EXPECT_T(atCharacterPtr[3] == 's')) && (JK_EXPECT_T(atCharacterPtr[4] == 'e')))) { stopParsing = 1; /* XXX Add error message */ } else { jk_set_parsed_token(parseState, atCharacterPtr, 5UL, JKTokenTypeFalse, 5UL); } } + else if(JK_EXPECT_T(currentCharacter == 'n')) { if(!((JK_EXPECT_T((atCharacterPtr + 4UL) < endOfStringPtr)) && (JK_EXPECT_T(atCharacterPtr[1] == 'u')) && (JK_EXPECT_T(atCharacterPtr[2] == 'l')) && (JK_EXPECT_T(atCharacterPtr[3] == 'l')))) { stopParsing = 1; /* XXX Add error message */ } else { jk_set_parsed_token(parseState, atCharacterPtr, 4UL, JKTokenTypeNull, 4UL); } } + else { stopParsing = 1; /* XXX Add error message */ } + } + + if(JK_EXPECT_F(stopParsing)) { jk_error(parseState, @"Unexpected token, wanted '{', '}', '[', ']', ',', ':', 'true', 'false', 'null', '\"STRING\"', 'NUMBER'."); } + return(stopParsing); +} + +static void jk_error_parse_accept_or3(JKParseState *parseState, int state, NSString *or1String, NSString *or2String, NSString *or3String) { + NSString *acceptStrings[16]; + int acceptIdx = 0; + if(state & JKParseAcceptValue) { acceptStrings[acceptIdx++] = or1String; } + if(state & JKParseAcceptComma) { acceptStrings[acceptIdx++] = or2String; } + if(state & JKParseAcceptEnd) { acceptStrings[acceptIdx++] = or3String; } + if(acceptIdx == 1) { jk_error(parseState, @"Expected %@, not '%*.*s'", acceptStrings[0], (int)parseState->token.tokenPtrRange.length, (int)parseState->token.tokenPtrRange.length, parseState->token.tokenPtrRange.ptr); } + else if(acceptIdx == 2) { jk_error(parseState, @"Expected %@ or %@, not '%*.*s'", acceptStrings[0], acceptStrings[1], (int)parseState->token.tokenPtrRange.length, (int)parseState->token.tokenPtrRange.length, parseState->token.tokenPtrRange.ptr); } + else if(acceptIdx == 3) { jk_error(parseState, @"Expected %@, %@, or %@, not '%*.*s", acceptStrings[0], acceptStrings[1], acceptStrings[2], (int)parseState->token.tokenPtrRange.length, (int)parseState->token.tokenPtrRange.length, parseState->token.tokenPtrRange.ptr); } +} + +static void *jk_parse_array(JKParseState *parseState) { + size_t startingObjectIndex = parseState->objectStack.index; + int arrayState = JKParseAcceptValueOrEnd, stopParsing = 0; + void *parsedArray = NULL; + + while(JK_EXPECT_T((JK_EXPECT_T(stopParsing == 0)) && (JK_EXPECT_T(parseState->atIndex < parseState->stringBuffer.bytes.length)))) { + if(JK_EXPECT_F(parseState->objectStack.index > (parseState->objectStack.count - 4UL))) { if(jk_objectStack_resize(&parseState->objectStack, parseState->objectStack.count + 128UL)) { jk_error(parseState, @"Internal error: [array] objectsIndex > %zu, resize failed? %@ line %#ld", (parseState->objectStack.count - 4UL), [NSString stringWithUTF8String:__FILE__], (long)__LINE__); break; } } + + if(JK_EXPECT_T((stopParsing = jk_parse_next_token(parseState)) == 0)) { + void *object = NULL; +#ifndef NS_BLOCK_ASSERTIONS + parseState->objectStack.objects[parseState->objectStack.index] = NULL; + parseState->objectStack.keys [parseState->objectStack.index] = NULL; +#endif + switch(parseState->token.type) { + case JKTokenTypeNumber: + case JKTokenTypeString: + case JKTokenTypeTrue: + case JKTokenTypeFalse: + case JKTokenTypeNull: + case JKTokenTypeArrayBegin: + case JKTokenTypeObjectBegin: + if(JK_EXPECT_F((arrayState & JKParseAcceptValue) == 0)) { parseState->errorIsPrev = 1; jk_error(parseState, @"Unexpected value."); stopParsing = 1; break; } + if(JK_EXPECT_F((object = jk_object_for_token(parseState)) == NULL)) { jk_error(parseState, @"Internal error: Object == NULL"); stopParsing = 1; break; } else { parseState->objectStack.objects[parseState->objectStack.index++] = object; arrayState = JKParseAcceptCommaOrEnd; } + break; + case JKTokenTypeArrayEnd: if(JK_EXPECT_T(arrayState & JKParseAcceptEnd)) { NSCParameterAssert(parseState->objectStack.index >= startingObjectIndex); parsedArray = (void *)_JKArrayCreate((id *)&parseState->objectStack.objects[startingObjectIndex], (parseState->objectStack.index - startingObjectIndex), parseState->mutableCollections); } else { parseState->errorIsPrev = 1; jk_error(parseState, @"Unexpected ']'."); } stopParsing = 1; break; + case JKTokenTypeComma: if(JK_EXPECT_T(arrayState & JKParseAcceptComma)) { arrayState = JKParseAcceptValue; } else { parseState->errorIsPrev = 1; jk_error(parseState, @"Unexpected ','."); stopParsing = 1; } break; + default: parseState->errorIsPrev = 1; jk_error_parse_accept_or3(parseState, arrayState, @"a value", @"a comma", @"a ']'"); stopParsing = 1; break; + } + } + } + + if(JK_EXPECT_F(parsedArray == NULL)) { size_t idx = 0UL; for(idx = startingObjectIndex; idx < parseState->objectStack.index; idx++) { if(parseState->objectStack.objects[idx] != NULL) { CFRelease(parseState->objectStack.objects[idx]); parseState->objectStack.objects[idx] = NULL; } } } +#if !defined(NS_BLOCK_ASSERTIONS) + else { size_t idx = 0UL; for(idx = startingObjectIndex; idx < parseState->objectStack.index; idx++) { parseState->objectStack.objects[idx] = NULL; parseState->objectStack.keys[idx] = NULL; } } +#endif + + parseState->objectStack.index = startingObjectIndex; + return(parsedArray); +} + +static void *jk_create_dictionary(JKParseState *parseState, size_t startingObjectIndex) { + void *parsedDictionary = NULL; + + parseState->objectStack.index--; + + parsedDictionary = _JKDictionaryCreate((id *)&parseState->objectStack.keys[startingObjectIndex], (NSUInteger *)&parseState->objectStack.cfHashes[startingObjectIndex], (id *)&parseState->objectStack.objects[startingObjectIndex], (parseState->objectStack.index - startingObjectIndex), parseState->mutableCollections); + + return(parsedDictionary); +} + +static void *jk_parse_dictionary(JKParseState *parseState) { + size_t startingObjectIndex = parseState->objectStack.index; + int dictState = JKParseAcceptValueOrEnd, stopParsing = 0; + void *parsedDictionary = NULL; + + while(JK_EXPECT_T((JK_EXPECT_T(stopParsing == 0)) && (JK_EXPECT_T(parseState->atIndex < parseState->stringBuffer.bytes.length)))) { + if(JK_EXPECT_F(parseState->objectStack.index > (parseState->objectStack.count - 4UL))) { if(jk_objectStack_resize(&parseState->objectStack, parseState->objectStack.count + 128UL)) { jk_error(parseState, @"Internal error: [dictionary] objectsIndex > %zu, resize failed? %@ line #%ld", (parseState->objectStack.count - 4UL), [NSString stringWithUTF8String:__FILE__], (long)__LINE__); break; } } + + size_t objectStackIndex = parseState->objectStack.index++; + parseState->objectStack.keys[objectStackIndex] = NULL; + parseState->objectStack.objects[objectStackIndex] = NULL; + void *key = NULL, *object = NULL; + + if(JK_EXPECT_T((JK_EXPECT_T(stopParsing == 0)) && (JK_EXPECT_T((stopParsing = jk_parse_next_token(parseState)) == 0)))) { + switch(parseState->token.type) { + case JKTokenTypeString: + if(JK_EXPECT_F((dictState & JKParseAcceptValue) == 0)) { parseState->errorIsPrev = 1; jk_error(parseState, @"Unexpected string."); stopParsing = 1; break; } + if(JK_EXPECT_F((key = jk_object_for_token(parseState)) == NULL)) { jk_error(parseState, @"Internal error: Key == NULL."); stopParsing = 1; break; } + else { + parseState->objectStack.keys[objectStackIndex] = key; + if(JK_EXPECT_T(parseState->token.value.cacheItem != NULL)) { if(JK_EXPECT_F(parseState->token.value.cacheItem->cfHash == 0UL)) { parseState->token.value.cacheItem->cfHash = CFHash(key); } parseState->objectStack.cfHashes[objectStackIndex] = parseState->token.value.cacheItem->cfHash; } + else { parseState->objectStack.cfHashes[objectStackIndex] = CFHash(key); } + } + break; + + case JKTokenTypeObjectEnd: if((JK_EXPECT_T(dictState & JKParseAcceptEnd))) { NSCParameterAssert(parseState->objectStack.index >= startingObjectIndex); parsedDictionary = jk_create_dictionary(parseState, startingObjectIndex); } else { parseState->errorIsPrev = 1; jk_error(parseState, @"Unexpected '}'."); } stopParsing = 1; break; + case JKTokenTypeComma: if((JK_EXPECT_T(dictState & JKParseAcceptComma))) { dictState = JKParseAcceptValue; parseState->objectStack.index--; continue; } else { parseState->errorIsPrev = 1; jk_error(parseState, @"Unexpected ','."); stopParsing = 1; } break; + + default: parseState->errorIsPrev = 1; jk_error_parse_accept_or3(parseState, dictState, @"a \"STRING\"", @"a comma", @"a '}'"); stopParsing = 1; break; + } + } + + if(JK_EXPECT_T(stopParsing == 0)) { + if(JK_EXPECT_T((stopParsing = jk_parse_next_token(parseState)) == 0)) { if(JK_EXPECT_F(parseState->token.type != JKTokenTypeSeparator)) { parseState->errorIsPrev = 1; jk_error(parseState, @"Expected ':'."); stopParsing = 1; } } + } + + if((JK_EXPECT_T(stopParsing == 0)) && (JK_EXPECT_T((stopParsing = jk_parse_next_token(parseState)) == 0))) { + switch(parseState->token.type) { + case JKTokenTypeNumber: + case JKTokenTypeString: + case JKTokenTypeTrue: + case JKTokenTypeFalse: + case JKTokenTypeNull: + case JKTokenTypeArrayBegin: + case JKTokenTypeObjectBegin: + if(JK_EXPECT_F((dictState & JKParseAcceptValue) == 0)) { parseState->errorIsPrev = 1; jk_error(parseState, @"Unexpected value."); stopParsing = 1; break; } + if(JK_EXPECT_F((object = jk_object_for_token(parseState)) == NULL)) { jk_error(parseState, @"Internal error: Object == NULL."); stopParsing = 1; break; } else { parseState->objectStack.objects[objectStackIndex] = object; dictState = JKParseAcceptCommaOrEnd; } + break; + default: parseState->errorIsPrev = 1; jk_error_parse_accept_or3(parseState, dictState, @"a value", @"a comma", @"a '}'"); stopParsing = 1; break; + } + } + } + + if(JK_EXPECT_F(parsedDictionary == NULL)) { size_t idx = 0UL; for(idx = startingObjectIndex; idx < parseState->objectStack.index; idx++) { if(parseState->objectStack.keys[idx] != NULL) { CFRelease(parseState->objectStack.keys[idx]); parseState->objectStack.keys[idx] = NULL; } if(parseState->objectStack.objects[idx] != NULL) { CFRelease(parseState->objectStack.objects[idx]); parseState->objectStack.objects[idx] = NULL; } } } +#if !defined(NS_BLOCK_ASSERTIONS) + else { size_t idx = 0UL; for(idx = startingObjectIndex; idx < parseState->objectStack.index; idx++) { parseState->objectStack.objects[idx] = NULL; parseState->objectStack.keys[idx] = NULL; } } +#endif + + parseState->objectStack.index = startingObjectIndex; + return(parsedDictionary); +} + +static id json_parse_it(JKParseState *parseState) { + id parsedObject = NULL; + int stopParsing = 0; + + while((JK_EXPECT_T(stopParsing == 0)) && (JK_EXPECT_T(parseState->atIndex < parseState->stringBuffer.bytes.length))) { + if((JK_EXPECT_T(stopParsing == 0)) && (JK_EXPECT_T((stopParsing = jk_parse_next_token(parseState)) == 0))) { + switch(parseState->token.type) { + case JKTokenTypeArrayBegin: + case JKTokenTypeObjectBegin: parsedObject = [(id)jk_object_for_token(parseState) autorelease]; stopParsing = 1; break; + default: jk_error(parseState, @"Expected either '[' or '{'."); stopParsing = 1; break; + } + } + } + + NSCParameterAssert((parseState->objectStack.index == 0) && (JK_AT_STRING_PTR(parseState) <= JK_END_STRING_PTR(parseState))); + + if((parsedObject == NULL) && (JK_AT_STRING_PTR(parseState) == JK_END_STRING_PTR(parseState))) { jk_error(parseState, @"Reached the end of the buffer."); } + if(parsedObject == NULL) { jk_error(parseState, @"Unable to parse JSON."); } + + if((parsedObject != NULL) && (JK_AT_STRING_PTR(parseState) < JK_END_STRING_PTR(parseState))) { + jk_parse_skip_whitespace(parseState); + if((parsedObject != NULL) && ((parseState->parseOptionFlags & JKParseOptionPermitTextAfterValidJSON) == 0) && (JK_AT_STRING_PTR(parseState) < JK_END_STRING_PTR(parseState))) { + jk_error(parseState, @"A valid JSON object was parsed but there were additional non-white-space characters remaining."); + parsedObject = NULL; + } + } + + return(parsedObject); +} + +//////////// +#pragma mark - +#pragma mark Object cache + +// This uses a Galois Linear Feedback Shift Register (LFSR) PRNG to pick which item in the cache to age. It has a period of (2^32)-1. +// NOTE: A LFSR *MUST* be initialized to a non-zero value and must always have a non-zero value. +JK_STATIC_INLINE void jk_cache_age(JKParseState *parseState) { + NSCParameterAssert((parseState != NULL) && (parseState->cache.prng_lfsr != 0U)); + parseState->cache.prng_lfsr = (parseState->cache.prng_lfsr >> 1) ^ ((0U - (parseState->cache.prng_lfsr & 1U)) & 0x80200003U); + parseState->cache.age[parseState->cache.prng_lfsr & (parseState->cache.count - 1UL)] >>= 1; +} + +// The object cache is nothing more than a hash table with open addressing collision resolution that is bounded by JK_CACHE_PROBES attempts. +// +// The hash table is a linear C array of JKTokenCacheItem. The terms "item" and "bucket" are synonymous with the index in to the cache array, i.e. cache.items[bucket]. +// +// Items in the cache have an age associated with them. The age is the number of rightmost 1 bits, i.e. 0000 = 0, 0001 = 1, 0011 = 2, 0111 = 3, 1111 = 4. +// This allows us to use left and right shifts to add or subtract from an items age. Add = (age << 1) | 1. Subtract = age >> 0. Subtract is synonymous with "age" (i.e., age an item). +// The reason for this is it allows us to perform saturated adds and subtractions and is branchless. +// The primitive C type MUST be unsigned. It is currently a "char", which allows (at a minimum and in practice) 8 bits. +// +// A "useable bucket" is a bucket that is not in use (never populated), or has an age == 0. +// +// When an item is found in the cache, it's age is incremented. +// If a useable bucket hasn't been found, the current item (bucket) is aged along with two random items. +// +// If a value is not found in the cache, and no useable bucket has been found, that value is not added to the cache. + +static void *jk_cachedObjects(JKParseState *parseState) { + unsigned long bucket = parseState->token.value.hash & (parseState->cache.count - 1UL), setBucket = 0UL, useableBucket = 0UL, x = 0UL; + void *parsedAtom = NULL; + + if(JK_EXPECT_F(parseState->token.value.ptrRange.length == 0UL) && JK_EXPECT_T(parseState->token.value.type == JKValueTypeString)) { return(@""); } + + for(x = 0UL; x < JK_CACHE_PROBES; x++) { + if(JK_EXPECT_F(parseState->cache.items[bucket].object == NULL)) { setBucket = 1UL; useableBucket = bucket; break; } + + if((JK_EXPECT_T(parseState->cache.items[bucket].hash == parseState->token.value.hash)) && (JK_EXPECT_T(parseState->cache.items[bucket].size == parseState->token.value.ptrRange.length)) && (JK_EXPECT_T(parseState->cache.items[bucket].type == parseState->token.value.type)) && (JK_EXPECT_T(parseState->cache.items[bucket].bytes != NULL)) && (JK_EXPECT_T(strncmp((const char *)parseState->cache.items[bucket].bytes, (const char *)parseState->token.value.ptrRange.ptr, parseState->token.value.ptrRange.length) == 0U))) { + parseState->cache.age[bucket] = (parseState->cache.age[bucket] << 1) | 1U; + parseState->token.value.cacheItem = &parseState->cache.items[bucket]; + NSCParameterAssert(parseState->cache.items[bucket].object != NULL); + return((void *)CFRetain(parseState->cache.items[bucket].object)); + } else { + if(JK_EXPECT_F(setBucket == 0UL) && JK_EXPECT_F(parseState->cache.age[bucket] == 0U)) { setBucket = 1UL; useableBucket = bucket; } + if(JK_EXPECT_F(setBucket == 0UL)) { parseState->cache.age[bucket] >>= 1; jk_cache_age(parseState); jk_cache_age(parseState); } + // This is the open addressing function. The values length and type are used as a form of "double hashing" to distribute values with the same effective value hash across different object cache buckets. + // The values type is a prime number that is relatively coprime to the other primes in the set of value types and the number of hash table buckets. + bucket = (parseState->token.value.hash + (parseState->token.value.ptrRange.length * (x + 1UL)) + (parseState->token.value.type * (x + 1UL)) + (3UL * (x + 1UL))) & (parseState->cache.count - 1UL); + } + } + + switch(parseState->token.value.type) { + case JKValueTypeString: parsedAtom = (void *)CFStringCreateWithBytes(NULL, parseState->token.value.ptrRange.ptr, parseState->token.value.ptrRange.length, kCFStringEncodingUTF8, 0); break; + case JKValueTypeLongLong: parsedAtom = (void *)CFNumberCreate(NULL, kCFNumberLongLongType, &parseState->token.value.number.longLongValue); break; + case JKValueTypeUnsignedLongLong: + if(parseState->token.value.number.unsignedLongLongValue <= LLONG_MAX) { parsedAtom = (void *)CFNumberCreate(NULL, kCFNumberLongLongType, &parseState->token.value.number.unsignedLongLongValue); } + else { parsedAtom = (void *)parseState->objCImpCache.NSNumberInitWithUnsignedLongLong(parseState->objCImpCache.NSNumberAlloc(parseState->objCImpCache.NSNumberClass, @selector(alloc)), @selector(initWithUnsignedLongLong:), parseState->token.value.number.unsignedLongLongValue); } + break; + case JKValueTypeDouble: parsedAtom = (void *)CFNumberCreate(NULL, kCFNumberDoubleType, &parseState->token.value.number.doubleValue); break; + default: jk_error(parseState, @"Internal error: Unknown token value type. %@ line #%ld", [NSString stringWithUTF8String:__FILE__], (long)__LINE__); break; + } + + if(JK_EXPECT_T(setBucket) && (JK_EXPECT_T(parsedAtom != NULL))) { + bucket = useableBucket; + if(JK_EXPECT_T((parseState->cache.items[bucket].object != NULL))) { CFRelease(parseState->cache.items[bucket].object); parseState->cache.items[bucket].object = NULL; } + + if(JK_EXPECT_T((parseState->cache.items[bucket].bytes = (unsigned char *)reallocf(parseState->cache.items[bucket].bytes, parseState->token.value.ptrRange.length)) != NULL)) { + memcpy(parseState->cache.items[bucket].bytes, parseState->token.value.ptrRange.ptr, parseState->token.value.ptrRange.length); + parseState->cache.items[bucket].object = (void *)CFRetain(parsedAtom); + parseState->cache.items[bucket].hash = parseState->token.value.hash; + parseState->cache.items[bucket].cfHash = 0UL; + parseState->cache.items[bucket].size = parseState->token.value.ptrRange.length; + parseState->cache.items[bucket].type = parseState->token.value.type; + parseState->token.value.cacheItem = &parseState->cache.items[bucket]; + parseState->cache.age[bucket] = JK_INIT_CACHE_AGE; + } else { // The realloc failed, so clear the appropriate fields. + parseState->cache.items[bucket].hash = 0UL; + parseState->cache.items[bucket].cfHash = 0UL; + parseState->cache.items[bucket].size = 0UL; + parseState->cache.items[bucket].type = 0UL; + } + } + + return(parsedAtom); +} + + +static void *jk_object_for_token(JKParseState *parseState) { + void *parsedAtom = NULL; + + parseState->token.value.cacheItem = NULL; + switch(parseState->token.type) { + case JKTokenTypeString: parsedAtom = jk_cachedObjects(parseState); break; + case JKTokenTypeNumber: parsedAtom = jk_cachedObjects(parseState); break; + case JKTokenTypeObjectBegin: parsedAtom = jk_parse_dictionary(parseState); break; + case JKTokenTypeArrayBegin: parsedAtom = jk_parse_array(parseState); break; + case JKTokenTypeTrue: parsedAtom = (void *)kCFBooleanTrue; break; + case JKTokenTypeFalse: parsedAtom = (void *)kCFBooleanFalse; break; + case JKTokenTypeNull: parsedAtom = (void *)kCFNull; break; + default: jk_error(parseState, @"Internal error: Unknown token type. %@ line #%ld", [NSString stringWithUTF8String:__FILE__], (long)__LINE__); break; + } + + return(parsedAtom); +} + +#pragma mark - +@implementation JSONDecoder + +static Class _jk_NSNumberClass; +static NSNumberAllocImp _jk_NSNumberAllocImp; +static NSNumberInitWithUnsignedLongLongImp _jk_NSNumberInitWithUnsignedLongLongImp; + ++ (void)load +{ + NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; // Though technically not required, the run time environment at +load time may be less than ideal. + + _jk_NSNumberClass = [NSNumber class]; + _jk_NSNumberAllocImp = (NSNumberAllocImp)[NSNumber methodForSelector:@selector(alloc)]; + + // Hacktacular. Need to do it this way due to the nature of class clusters. + id temp_NSNumber = [NSNumber alloc]; + _jk_NSNumberInitWithUnsignedLongLongImp = (NSNumberInitWithUnsignedLongLongImp)[temp_NSNumber methodForSelector:@selector(initWithUnsignedLongLong:)]; + [[temp_NSNumber init] release]; + temp_NSNumber = NULL; + + [pool release]; pool = NULL; +} + ++ (id)decoder +{ + return([self decoderWithParseOptions:JKParseOptionStrict]); +} + ++ (id)decoderWithParseOptions:(JKParseOptionFlags)parseOptionFlags +{ + return([[[self alloc] initWithParseOptions:parseOptionFlags] autorelease]); +} + +- (id)init +{ + return([self initWithParseOptions:JKParseOptionStrict]); +} + +- (id)initWithParseOptions:(JKParseOptionFlags)parseOptionFlags +{ + if((self = [super init]) == NULL) { return(NULL); } + + if(parseOptionFlags & ~JKParseOptionValidFlags) { [self autorelease]; [NSException raise:NSInvalidArgumentException format:@"Invalid parse options."]; } + + if((parseState = (JKParseState *)calloc(1UL, sizeof(JKParseState))) == NULL) { goto errorExit; } + + parseState->parseOptionFlags = parseOptionFlags; + + parseState->token.tokenBuffer.roundSizeUpToMultipleOf = 4096UL; + parseState->objectStack.roundSizeUpToMultipleOf = 2048UL; + + parseState->objCImpCache.NSNumberClass = _jk_NSNumberClass; + parseState->objCImpCache.NSNumberAlloc = _jk_NSNumberAllocImp; + parseState->objCImpCache.NSNumberInitWithUnsignedLongLong = _jk_NSNumberInitWithUnsignedLongLongImp; + + parseState->cache.prng_lfsr = 1U; + parseState->cache.count = JK_CACHE_SLOTS; + if((parseState->cache.items = (JKTokenCacheItem *)calloc(1UL, sizeof(JKTokenCacheItem) * parseState->cache.count)) == NULL) { goto errorExit; } + + return(self); + +errorExit: + if(self) { [self autorelease]; self = NULL; } + return(NULL); +} + +// This is here primarily to support the NSString and NSData convenience functions so the autoreleased JSONDecoder can release most of its resources before the pool pops. +static void _JSONDecoderCleanup(JSONDecoder *decoder) { + if((decoder != NULL) && (decoder->parseState != NULL)) { + jk_managedBuffer_release(&decoder->parseState->token.tokenBuffer); + jk_objectStack_release(&decoder->parseState->objectStack); + + [decoder clearCache]; + if(decoder->parseState->cache.items != NULL) { free(decoder->parseState->cache.items); decoder->parseState->cache.items = NULL; } + + free(decoder->parseState); decoder->parseState = NULL; + } +} + +- (void)dealloc +{ + _JSONDecoderCleanup(self); + [super dealloc]; +} + +- (void)clearCache +{ + if(JK_EXPECT_T(parseState != NULL)) { + if(JK_EXPECT_T(parseState->cache.items != NULL)) { + size_t idx = 0UL; + for(idx = 0UL; idx < parseState->cache.count; idx++) { + if(JK_EXPECT_T(parseState->cache.items[idx].object != NULL)) { CFRelease(parseState->cache.items[idx].object); parseState->cache.items[idx].object = NULL; } + if(JK_EXPECT_T(parseState->cache.items[idx].bytes != NULL)) { free(parseState->cache.items[idx].bytes); parseState->cache.items[idx].bytes = NULL; } + memset(&parseState->cache.items[idx], 0, sizeof(JKTokenCacheItem)); + parseState->cache.age[idx] = 0U; + } + } + } +} + +// This needs to be completely rewritten. +static id _JKParseUTF8String(JKParseState *parseState, BOOL mutableCollections, const unsigned char *string, size_t length, NSError **error) { + NSCParameterAssert((parseState != NULL) && (string != NULL) && (parseState->cache.prng_lfsr != 0U)); + parseState->stringBuffer.bytes.ptr = string; + parseState->stringBuffer.bytes.length = length; + parseState->atIndex = 0UL; + parseState->lineNumber = 1UL; + parseState->lineStartIndex = 0UL; + parseState->prev_atIndex = 0UL; + parseState->prev_lineNumber = 1UL; + parseState->prev_lineStartIndex = 0UL; + parseState->error = NULL; + parseState->errorIsPrev = 0; + parseState->mutableCollections = (mutableCollections == NO) ? NO : YES; + + unsigned char stackTokenBuffer[JK_TOKENBUFFER_SIZE] JK_ALIGNED(64); + jk_managedBuffer_setToStackBuffer(&parseState->token.tokenBuffer, stackTokenBuffer, sizeof(stackTokenBuffer)); + + void *stackObjects [JK_STACK_OBJS] JK_ALIGNED(64); + void *stackKeys [JK_STACK_OBJS] JK_ALIGNED(64); + CFHashCode stackCFHashes[JK_STACK_OBJS] JK_ALIGNED(64); + jk_objectStack_setToStackBuffer(&parseState->objectStack, stackObjects, stackKeys, stackCFHashes, JK_STACK_OBJS); + + id parsedJSON = json_parse_it(parseState); + + if((error != NULL) && (parseState->error != NULL)) { *error = parseState->error; } + + jk_managedBuffer_release(&parseState->token.tokenBuffer); + jk_objectStack_release(&parseState->objectStack); + + parseState->stringBuffer.bytes.ptr = NULL; + parseState->stringBuffer.bytes.length = 0UL; + parseState->atIndex = 0UL; + parseState->lineNumber = 1UL; + parseState->lineStartIndex = 0UL; + parseState->prev_atIndex = 0UL; + parseState->prev_lineNumber = 1UL; + parseState->prev_lineStartIndex = 0UL; + parseState->error = NULL; + parseState->errorIsPrev = 0; + parseState->mutableCollections = NO; + + return(parsedJSON); +} + +//////////// +#pragma mark Deprecated as of v1.4 +//////////// + +// Deprecated in JSONKit v1.4. Use objectWithUTF8String:length: instead. +- (id)parseUTF8String:(const unsigned char *)string length:(size_t)length +{ + return([self objectWithUTF8String:string length:length error:NULL]); +} + +// Deprecated in JSONKit v1.4. Use objectWithUTF8String:length:error: instead. +- (id)parseUTF8String:(const unsigned char *)string length:(size_t)length error:(NSError **)error +{ + return([self objectWithUTF8String:string length:length error:error]); +} + +// Deprecated in JSONKit v1.4. Use objectWithData: instead. +- (id)parseJSONData:(NSData *)jsonData +{ + return([self objectWithData:jsonData error:NULL]); +} + +// Deprecated in JSONKit v1.4. Use objectWithData:error: instead. +- (id)parseJSONData:(NSData *)jsonData error:(NSError **)error +{ + return([self objectWithData:jsonData error:error]); +} + +//////////// +#pragma mark Methods that return immutable collection objects +//////////// + +- (id)objectWithUTF8String:(const unsigned char *)string length:(NSUInteger)length +{ + return([self objectWithUTF8String:string length:length error:NULL]); +} + +- (id)objectWithUTF8String:(const unsigned char *)string length:(NSUInteger)length error:(NSError **)error +{ + if(parseState == NULL) { [NSException raise:NSInternalInconsistencyException format:@"parseState is NULL."]; } + if(string == NULL) { [NSException raise:NSInvalidArgumentException format:@"The string argument is NULL."]; } + + return(_JKParseUTF8String(parseState, NO, string, (size_t)length, error)); +} + +- (id)objectWithData:(NSData *)jsonData +{ + return([self objectWithData:jsonData error:NULL]); +} + +- (id)objectWithData:(NSData *)jsonData error:(NSError **)error +{ + if(jsonData == NULL) { [NSException raise:NSInvalidArgumentException format:@"The jsonData argument is NULL."]; } + return([self objectWithUTF8String:(const unsigned char *)[jsonData bytes] length:[jsonData length] error:error]); +} + +//////////// +#pragma mark Methods that return mutable collection objects +//////////// + +- (id)mutableObjectWithUTF8String:(const unsigned char *)string length:(NSUInteger)length +{ + return([self mutableObjectWithUTF8String:string length:length error:NULL]); +} + +- (id)mutableObjectWithUTF8String:(const unsigned char *)string length:(NSUInteger)length error:(NSError **)error +{ + if(parseState == NULL) { [NSException raise:NSInternalInconsistencyException format:@"parseState is NULL."]; } + if(string == NULL) { [NSException raise:NSInvalidArgumentException format:@"The string argument is NULL."]; } + + return(_JKParseUTF8String(parseState, YES, string, (size_t)length, error)); +} + +- (id)mutableObjectWithData:(NSData *)jsonData +{ + return([self mutableObjectWithData:jsonData error:NULL]); +} + +- (id)mutableObjectWithData:(NSData *)jsonData error:(NSError **)error +{ + if(jsonData == NULL) { [NSException raise:NSInvalidArgumentException format:@"The jsonData argument is NULL."]; } + return([self mutableObjectWithUTF8String:(const unsigned char *)[jsonData bytes] length:[jsonData length] error:error]); +} + +@end + +/* + The NSString and NSData convenience methods need a little bit of explanation. + + Prior to JSONKit v1.4, the NSString -objectFromJSONStringWithParseOptions:error: method looked like + + const unsigned char *utf8String = (const unsigned char *)[self UTF8String]; + if(utf8String == NULL) { return(NULL); } + size_t utf8Length = strlen((const char *)utf8String); + return([[JSONDecoder decoderWithParseOptions:parseOptionFlags] parseUTF8String:utf8String length:utf8Length error:error]); + + This changed with v1.4 to a more complicated method. The reason for this is to keep the amount of memory that is + allocated, but not yet freed because it is dependent on the autorelease pool to pop before it can be reclaimed. + + In the simpler v1.3 code, this included all the bytes used to store the -UTF8String along with the JSONDecoder and all its overhead. + + Now we use an autoreleased CFMutableData that is sized to the UTF8 length of the NSString in question and is used to hold the UTF8 + conversion of said string. + + Once parsed, the CFMutableData has its length set to 0. This should, hopefully, allow the CFMutableData to realloc and/or free + the buffer. + + Another change made was a slight modification to JSONDecoder so that most of the cleanup work that was done in -dealloc was moved + to a private, internal function. These convenience routines keep the pointer to the autoreleased JSONDecoder and calls + _JSONDecoderCleanup() to early release the decoders resources since we already know that particular decoder is not going to be used + again. + + If everything goes smoothly, this will most likely result in perhaps a few hundred bytes that are allocated but waiting for the + autorelease pool to pop. This is compared to the thousands and easily hundreds of thousands of bytes that would have been in + autorelease limbo. It's more complicated for us, but a win for the user. + + Autorelease objects are used in case things don't go smoothly. By having them autoreleased, we effectively guarantee that our + requirement to -release the object is always met, not matter what goes wrong. The downside is having a an object or two in + autorelease limbo, but we've done our best to minimize that impact, so it all balances out. + */ + +@implementation NSString (JSONKitDeserializing) + +static id _NSStringObjectFromJSONString(NSString *jsonString, JKParseOptionFlags parseOptionFlags, NSError **error, BOOL mutableCollection) { + id returnObject = NULL; + CFMutableDataRef mutableData = NULL; + JSONDecoder *decoder = NULL; + + CFIndex stringLength = CFStringGetLength((CFStringRef)jsonString); + NSUInteger stringUTF8Length = [jsonString lengthOfBytesUsingEncoding:NSUTF8StringEncoding]; + + if((mutableData = (CFMutableDataRef)[(id)CFDataCreateMutable(NULL, (NSUInteger)stringUTF8Length) autorelease]) != NULL) { + UInt8 *utf8String = CFDataGetMutableBytePtr(mutableData); + CFIndex usedBytes = 0L, convertedCount = 0L; + + convertedCount = CFStringGetBytes((CFStringRef)jsonString, CFRangeMake(0L, stringLength), kCFStringEncodingUTF8, '?', NO, utf8String, (NSUInteger)stringUTF8Length, &usedBytes); + if(JK_EXPECT_F(convertedCount != stringLength) || JK_EXPECT_F(usedBytes < 0L)) { if(error != NULL) { *error = [NSError errorWithDomain:@"JKErrorDomain" code:-1L userInfo:[NSDictionary dictionaryWithObject:@"An error occurred converting the contents of a NSString to UTF8." forKey:NSLocalizedDescriptionKey]]; } goto exitNow; } + + if(mutableCollection == NO) { returnObject = [(decoder = [JSONDecoder decoderWithParseOptions:parseOptionFlags]) objectWithUTF8String:(const unsigned char *)utf8String length:(size_t)usedBytes error:error]; } + else { returnObject = [(decoder = [JSONDecoder decoderWithParseOptions:parseOptionFlags]) mutableObjectWithUTF8String:(const unsigned char *)utf8String length:(size_t)usedBytes error:error]; } + } + +exitNow: + if(mutableData != NULL) { CFDataSetLength(mutableData, 0L); } + if(decoder != NULL) { _JSONDecoderCleanup(decoder); } + return(returnObject); +} + +- (id)objectFromJSONString +{ + return([self objectFromJSONStringWithParseOptions:JKParseOptionStrict error:NULL]); +} + +- (id)objectFromJSONStringWithParseOptions:(JKParseOptionFlags)parseOptionFlags +{ + return([self objectFromJSONStringWithParseOptions:parseOptionFlags error:NULL]); +} + +- (id)objectFromJSONStringWithParseOptions:(JKParseOptionFlags)parseOptionFlags error:(NSError **)error +{ + return(_NSStringObjectFromJSONString(self, parseOptionFlags, error, NO)); +} + + +- (id)mutableObjectFromJSONString +{ + return([self mutableObjectFromJSONStringWithParseOptions:JKParseOptionStrict error:NULL]); +} + +- (id)mutableObjectFromJSONStringWithParseOptions:(JKParseOptionFlags)parseOptionFlags +{ + return([self mutableObjectFromJSONStringWithParseOptions:parseOptionFlags error:NULL]); +} + +- (id)mutableObjectFromJSONStringWithParseOptions:(JKParseOptionFlags)parseOptionFlags error:(NSError **)error +{ + return(_NSStringObjectFromJSONString(self, parseOptionFlags, error, YES)); +} + +@end + +@implementation NSData (JSONKitDeserializing) + +- (id)objectFromJSONData +{ + return([self objectFromJSONDataWithParseOptions:JKParseOptionStrict error:NULL]); +} + +- (id)objectFromJSONDataWithParseOptions:(JKParseOptionFlags)parseOptionFlags +{ + return([self objectFromJSONDataWithParseOptions:parseOptionFlags error:NULL]); +} + +- (id)objectFromJSONDataWithParseOptions:(JKParseOptionFlags)parseOptionFlags error:(NSError **)error +{ + JSONDecoder *decoder = NULL; + id returnObject = [(decoder = [JSONDecoder decoderWithParseOptions:parseOptionFlags]) objectWithData:self error:error]; + if(decoder != NULL) { _JSONDecoderCleanup(decoder); } + return(returnObject); +} + +- (id)mutableObjectFromJSONData +{ + return([self mutableObjectFromJSONDataWithParseOptions:JKParseOptionStrict error:NULL]); +} + +- (id)mutableObjectFromJSONDataWithParseOptions:(JKParseOptionFlags)parseOptionFlags +{ + return([self mutableObjectFromJSONDataWithParseOptions:parseOptionFlags error:NULL]); +} + +- (id)mutableObjectFromJSONDataWithParseOptions:(JKParseOptionFlags)parseOptionFlags error:(NSError **)error +{ + JSONDecoder *decoder = NULL; + id returnObject = [(decoder = [JSONDecoder decoderWithParseOptions:parseOptionFlags]) mutableObjectWithData:self error:error]; + if(decoder != NULL) { _JSONDecoderCleanup(decoder); } + return(returnObject); +} + + +@end + +//////////// +#pragma mark - +#pragma mark Encoding / deserializing functions + +static void jk_encode_error(JKEncodeState *encodeState, NSString *format, ...) { + NSCParameterAssert((encodeState != NULL) && (format != NULL)); + + va_list varArgsList; + va_start(varArgsList, format); + NSString *formatString = [[[NSString alloc] initWithFormat:format arguments:varArgsList] autorelease]; + va_end(varArgsList); + + if(encodeState->error == NULL) { + encodeState->error = [NSError errorWithDomain:@"JKErrorDomain" code:-1L userInfo: + [NSDictionary dictionaryWithObjectsAndKeys: + formatString, NSLocalizedDescriptionKey, + NULL]]; + } +} + +JK_STATIC_INLINE void jk_encode_updateCache(JKEncodeState *encodeState, JKEncodeCache *cacheSlot, size_t startingAtIndex, id object) { + NSCParameterAssert(encodeState != NULL); + if(JK_EXPECT_T(cacheSlot != NULL)) { + NSCParameterAssert((object != NULL) && (startingAtIndex <= encodeState->atIndex)); + cacheSlot->object = object; + cacheSlot->offset = startingAtIndex; + cacheSlot->length = (size_t)(encodeState->atIndex - startingAtIndex); + } +} + +static int jk_encode_printf(JKEncodeState *encodeState, JKEncodeCache *cacheSlot, size_t startingAtIndex, id object, const char *format, ...) { + va_list varArgsList, varArgsListCopy; + va_start(varArgsList, format); + va_copy(varArgsListCopy, varArgsList); + + NSCParameterAssert((encodeState != NULL) && (encodeState->atIndex < encodeState->stringBuffer.bytes.length) && (startingAtIndex <= encodeState->atIndex) && (format != NULL)); + + ssize_t formattedStringLength = 0L; + int returnValue = 0; + + if(JK_EXPECT_T((formattedStringLength = vsnprintf((char *)&encodeState->stringBuffer.bytes.ptr[encodeState->atIndex], (encodeState->stringBuffer.bytes.length - encodeState->atIndex), format, varArgsList)) >= (ssize_t)(encodeState->stringBuffer.bytes.length - encodeState->atIndex))) { + NSCParameterAssert(((encodeState->atIndex + (formattedStringLength * 2UL) + 256UL) > encodeState->stringBuffer.bytes.length)); + if(JK_EXPECT_F(((encodeState->atIndex + (formattedStringLength * 2UL) + 256UL) > encodeState->stringBuffer.bytes.length)) && JK_EXPECT_F((jk_managedBuffer_resize(&encodeState->stringBuffer, encodeState->atIndex + (formattedStringLength * 2UL)+ 4096UL) == NULL))) { jk_encode_error(encodeState, @"Unable to resize temporary buffer."); returnValue = 1; goto exitNow; } + if(JK_EXPECT_F((formattedStringLength = vsnprintf((char *)&encodeState->stringBuffer.bytes.ptr[encodeState->atIndex], (encodeState->stringBuffer.bytes.length - encodeState->atIndex), format, varArgsListCopy)) >= (ssize_t)(encodeState->stringBuffer.bytes.length - encodeState->atIndex))) { jk_encode_error(encodeState, @"vsnprintf failed unexpectedly."); returnValue = 1; goto exitNow; } + } + +exitNow: + va_end(varArgsList); + va_end(varArgsListCopy); + if(JK_EXPECT_T(returnValue == 0)) { encodeState->atIndex += formattedStringLength; jk_encode_updateCache(encodeState, cacheSlot, startingAtIndex, object); } + return(returnValue); +} + +static int jk_encode_write(JKEncodeState *encodeState, JKEncodeCache *cacheSlot, size_t startingAtIndex, id object, const char *format) { + NSCParameterAssert((encodeState != NULL) && (encodeState->atIndex < encodeState->stringBuffer.bytes.length) && (startingAtIndex <= encodeState->atIndex) && (format != NULL)); + if(JK_EXPECT_F(((encodeState->atIndex + strlen(format) + 256UL) > encodeState->stringBuffer.bytes.length)) && JK_EXPECT_F((jk_managedBuffer_resize(&encodeState->stringBuffer, encodeState->atIndex + strlen(format) + 1024UL) == NULL))) { jk_encode_error(encodeState, @"Unable to resize temporary buffer."); return(1); } + + size_t formatIdx = 0UL; + for(formatIdx = 0UL; format[formatIdx] != 0; formatIdx++) { NSCParameterAssert(encodeState->atIndex < encodeState->stringBuffer.bytes.length); encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = format[formatIdx]; } + jk_encode_updateCache(encodeState, cacheSlot, startingAtIndex, object); + return(0); +} + +static int jk_encode_writePrettyPrintWhiteSpace(JKEncodeState *encodeState) { + NSCParameterAssert((encodeState != NULL) && ((encodeState->serializeOptionFlags & JKSerializeOptionPretty) != 0UL)); + if(JK_EXPECT_F((encodeState->atIndex + ((encodeState->depth + 1UL) * 2UL) + 16UL) > encodeState->stringBuffer.bytes.length) && JK_EXPECT_T(jk_managedBuffer_resize(&encodeState->stringBuffer, encodeState->atIndex + ((encodeState->depth + 1UL) * 2UL) + 4096UL) == NULL)) { jk_encode_error(encodeState, @"Unable to resize temporary buffer."); return(1); } + encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\n'; + size_t depthWhiteSpace = 0UL; + for(depthWhiteSpace = 0UL; depthWhiteSpace < (encodeState->depth * 2UL); depthWhiteSpace++) { NSCParameterAssert(encodeState->atIndex < encodeState->stringBuffer.bytes.length); encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = ' '; } + return(0); +} + +static int jk_encode_write1slow(JKEncodeState *encodeState, ssize_t depthChange, const char *format) { + NSCParameterAssert((encodeState != NULL) && (encodeState->atIndex < encodeState->stringBuffer.bytes.length) && (format != NULL) && ((depthChange >= -1L) && (depthChange <= 1L)) && ((encodeState->depth == 0UL) ? (depthChange >= 0L) : 1) && ((encodeState->serializeOptionFlags & JKSerializeOptionPretty) != 0UL)); + if(JK_EXPECT_F((encodeState->atIndex + ((encodeState->depth + 1UL) * 2UL) + 16UL) > encodeState->stringBuffer.bytes.length) && JK_EXPECT_F(jk_managedBuffer_resize(&encodeState->stringBuffer, encodeState->atIndex + ((encodeState->depth + 1UL) * 2UL) + 4096UL) == NULL)) { jk_encode_error(encodeState, @"Unable to resize temporary buffer."); return(1); } + encodeState->depth += depthChange; + if(JK_EXPECT_T(format[0] == ':')) { encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = format[0]; encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = ' '; } + else { + if(JK_EXPECT_F(depthChange == -1L)) { if(JK_EXPECT_F(jk_encode_writePrettyPrintWhiteSpace(encodeState))) { return(1); } } + encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = format[0]; + if(JK_EXPECT_T(depthChange != -1L)) { if(JK_EXPECT_F(jk_encode_writePrettyPrintWhiteSpace(encodeState))) { return(1); } } + } + NSCParameterAssert(encodeState->atIndex < encodeState->stringBuffer.bytes.length); + return(0); +} + +static int jk_encode_write1fast(JKEncodeState *encodeState, ssize_t depthChange JK_UNUSED_ARG, const char *format) { + NSCParameterAssert((encodeState != NULL) && (encodeState->atIndex < encodeState->stringBuffer.bytes.length) && ((encodeState->serializeOptionFlags & JKSerializeOptionPretty) == 0UL)); + if(JK_EXPECT_T((encodeState->atIndex + 4UL) < encodeState->stringBuffer.bytes.length)) { encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = format[0]; } + else { return(jk_encode_write(encodeState, NULL, 0UL, NULL, format)); } + return(0); +} + +static int jk_encode_writen(JKEncodeState *encodeState, JKEncodeCache *cacheSlot, size_t startingAtIndex, id object, const char *format, size_t length) { + NSCParameterAssert((encodeState != NULL) && (encodeState->atIndex < encodeState->stringBuffer.bytes.length) && (startingAtIndex <= encodeState->atIndex)); + if(JK_EXPECT_F((encodeState->stringBuffer.bytes.length - encodeState->atIndex) < (length + 4UL))) { if(jk_managedBuffer_resize(&encodeState->stringBuffer, encodeState->atIndex + 4096UL + length) == NULL) { jk_encode_error(encodeState, @"Unable to resize temporary buffer."); return(1); } } + memcpy(encodeState->stringBuffer.bytes.ptr + encodeState->atIndex, format, length); + encodeState->atIndex += length; + jk_encode_updateCache(encodeState, cacheSlot, startingAtIndex, object); + return(0); +} + +JK_STATIC_INLINE JKHash jk_encode_object_hash(void *objectPtr) { + return( ( (((JKHash)objectPtr) >> 21) ^ (((JKHash)objectPtr) >> 9) ) + (((JKHash)objectPtr) >> 4) ); +} + +static int jk_encode_add_atom_to_buffer(JKEncodeState *encodeState, void *objectPtr) { + NSCParameterAssert((encodeState != NULL) && (encodeState->atIndex < encodeState->stringBuffer.bytes.length) && (objectPtr != NULL)); + + id object = (id)objectPtr, encodeCacheObject = object; + int isClass = JKClassUnknown; + size_t startingAtIndex = encodeState->atIndex; + + JKHash objectHash = jk_encode_object_hash(objectPtr); + JKEncodeCache *cacheSlot = &encodeState->cache[objectHash % JK_ENCODE_CACHE_SLOTS]; + + if(JK_EXPECT_T(cacheSlot->object == object)) { + NSCParameterAssert((cacheSlot->object != NULL) && + (cacheSlot->offset < encodeState->atIndex) && ((cacheSlot->offset + cacheSlot->length) < encodeState->atIndex) && + (cacheSlot->offset < encodeState->stringBuffer.bytes.length) && ((cacheSlot->offset + cacheSlot->length) < encodeState->stringBuffer.bytes.length) && + ((encodeState->stringBuffer.bytes.ptr + encodeState->atIndex) < (encodeState->stringBuffer.bytes.ptr + encodeState->stringBuffer.bytes.length)) && + ((encodeState->stringBuffer.bytes.ptr + cacheSlot->offset) < (encodeState->stringBuffer.bytes.ptr + encodeState->stringBuffer.bytes.length)) && + ((encodeState->stringBuffer.bytes.ptr + cacheSlot->offset + cacheSlot->length) < (encodeState->stringBuffer.bytes.ptr + encodeState->stringBuffer.bytes.length))); + if(JK_EXPECT_F(((encodeState->atIndex + cacheSlot->length + 256UL) > encodeState->stringBuffer.bytes.length)) && JK_EXPECT_F((jk_managedBuffer_resize(&encodeState->stringBuffer, encodeState->atIndex + cacheSlot->length + 1024UL) == NULL))) { jk_encode_error(encodeState, @"Unable to resize temporary buffer."); return(1); } + NSCParameterAssert(((encodeState->atIndex + cacheSlot->length) < encodeState->stringBuffer.bytes.length) && + ((encodeState->stringBuffer.bytes.ptr + encodeState->atIndex) < (encodeState->stringBuffer.bytes.ptr + encodeState->stringBuffer.bytes.length)) && + ((encodeState->stringBuffer.bytes.ptr + encodeState->atIndex + cacheSlot->length) < (encodeState->stringBuffer.bytes.ptr + encodeState->stringBuffer.bytes.length)) && + ((encodeState->stringBuffer.bytes.ptr + cacheSlot->offset) < (encodeState->stringBuffer.bytes.ptr + encodeState->stringBuffer.bytes.length)) && + ((encodeState->stringBuffer.bytes.ptr + cacheSlot->offset + cacheSlot->length) < (encodeState->stringBuffer.bytes.ptr + encodeState->stringBuffer.bytes.length)) && + ((encodeState->stringBuffer.bytes.ptr + cacheSlot->offset + cacheSlot->length) < (encodeState->stringBuffer.bytes.ptr + encodeState->atIndex))); + memcpy(encodeState->stringBuffer.bytes.ptr + encodeState->atIndex, encodeState->stringBuffer.bytes.ptr + cacheSlot->offset, cacheSlot->length); + encodeState->atIndex += cacheSlot->length; + return(0); + } + + // When we encounter a class that we do not handle, and we have either a delegate or block that the user supplied to format unsupported classes, + // we "re-run" the object check. However, we re-run the object check exactly ONCE. If the user supplies an object that isn't one of the + // supported classes, we fail the second type (i.e., double fault error). + BOOL rerunningAfterClassFormatter = NO; +rerunAfterClassFormatter: + if(JK_EXPECT_T(object->isa == encodeState->fastClassLookup.stringClass)) { isClass = JKClassString; } + else if(JK_EXPECT_T(object->isa == encodeState->fastClassLookup.numberClass)) { isClass = JKClassNumber; } + else if(JK_EXPECT_T(object->isa == encodeState->fastClassLookup.dictionaryClass)) { isClass = JKClassDictionary; } + else if(JK_EXPECT_T(object->isa == encodeState->fastClassLookup.arrayClass)) { isClass = JKClassArray; } + else if(JK_EXPECT_T(object->isa == encodeState->fastClassLookup.nullClass)) { isClass = JKClassNull; } + else { + if(JK_EXPECT_T([object isKindOfClass:[NSString class]])) { encodeState->fastClassLookup.stringClass = object->isa; isClass = JKClassString; } + else if(JK_EXPECT_T([object isKindOfClass:[NSNumber class]])) { encodeState->fastClassLookup.numberClass = object->isa; isClass = JKClassNumber; } + else if(JK_EXPECT_T([object isKindOfClass:[NSDictionary class]])) { encodeState->fastClassLookup.dictionaryClass = object->isa; isClass = JKClassDictionary; } + else if(JK_EXPECT_T([object isKindOfClass:[NSArray class]])) { encodeState->fastClassLookup.arrayClass = object->isa; isClass = JKClassArray; } + else if(JK_EXPECT_T([object isKindOfClass:[NSNull class]])) { encodeState->fastClassLookup.nullClass = object->isa; isClass = JKClassNull; } + else { + if((rerunningAfterClassFormatter == NO) && ( +#ifdef __BLOCKS__ + ((encodeState->classFormatterBlock) && ((object = encodeState->classFormatterBlock(object)) != NULL)) || +#endif + ((encodeState->classFormatterIMP) && ((object = encodeState->classFormatterIMP(encodeState->classFormatterDelegate, encodeState->classFormatterSelector, object)) != NULL)) )) { rerunningAfterClassFormatter = YES; goto rerunAfterClassFormatter; } + + if(rerunningAfterClassFormatter == NO) { jk_encode_error(encodeState, @"Unable to serialize object class %@.", NSStringFromClass([encodeCacheObject class])); return(1); } + else { jk_encode_error(encodeState, @"Unable to serialize object class %@ that was returned by the unsupported class formatter. Original object class was %@.", (object == NULL) ? @"NULL" : NSStringFromClass([object class]), NSStringFromClass([encodeCacheObject class])); return(1); } + } + } + + // This is here for the benefit of the optimizer. It allows the optimizer to do loop invariant code motion for the JKClassArray + // and JKClassDictionary cases when printing simple, single characters via jk_encode_write(), which is actually a macro: + // #define jk_encode_write1(es, dc, f) (_jk_encode_prettyPrint ? jk_encode_write1slow(es, dc, f) : jk_encode_write1fast(es, dc, f)) + int _jk_encode_prettyPrint = JK_EXPECT_T((encodeState->serializeOptionFlags & JKSerializeOptionPretty) == 0) ? 0 : 1; + + switch(isClass) { + case JKClassString: + { + { + const unsigned char *cStringPtr = (const unsigned char *)CFStringGetCStringPtr((CFStringRef)object, kCFStringEncodingMacRoman); + if(cStringPtr != NULL) { + const unsigned char *utf8String = cStringPtr; + size_t utf8Idx = 0UL; + + CFIndex stringLength = CFStringGetLength((CFStringRef)object); + if(JK_EXPECT_F(((encodeState->atIndex + (stringLength * 2UL) + 256UL) > encodeState->stringBuffer.bytes.length)) && JK_EXPECT_F((jk_managedBuffer_resize(&encodeState->stringBuffer, encodeState->atIndex + (stringLength * 2UL) + 1024UL) == NULL))) { jk_encode_error(encodeState, @"Unable to resize temporary buffer."); return(1); } + + if(JK_EXPECT_T((encodeState->encodeOption & JKEncodeOptionStringObjTrimQuotes) == 0UL)) { encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\"'; } + for(utf8Idx = 0UL; utf8String[utf8Idx] != 0U; utf8Idx++) { + NSCParameterAssert(((&encodeState->stringBuffer.bytes.ptr[encodeState->atIndex]) - encodeState->stringBuffer.bytes.ptr) < (ssize_t)encodeState->stringBuffer.bytes.length); + NSCParameterAssert(encodeState->atIndex < encodeState->stringBuffer.bytes.length); + if(JK_EXPECT_F(utf8String[utf8Idx] >= 0x80U)) { encodeState->atIndex = startingAtIndex; goto slowUTF8Path; } + if(JK_EXPECT_F(utf8String[utf8Idx] < 0x20U)) { + switch(utf8String[utf8Idx]) { + case '\b': encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\\'; encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = 'b'; break; + case '\f': encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\\'; encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = 'f'; break; + case '\n': encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\\'; encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = 'n'; break; + case '\r': encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\\'; encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = 'r'; break; + case '\t': encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\\'; encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = 't'; break; + default: if(JK_EXPECT_F(jk_encode_printf(encodeState, NULL, 0UL, NULL, "\\u%4.4x", utf8String[utf8Idx]))) { return(1); } break; + } + } else { + if(JK_EXPECT_F(utf8String[utf8Idx] == '\"') || JK_EXPECT_F(utf8String[utf8Idx] == '\\') || (JK_EXPECT_F(encodeState->serializeOptionFlags & JKSerializeOptionEscapeForwardSlashes) && JK_EXPECT_F(utf8String[utf8Idx] == '/'))) { encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\\'; } + encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = utf8String[utf8Idx]; + } + } + NSCParameterAssert((encodeState->atIndex + 1UL) < encodeState->stringBuffer.bytes.length); + if(JK_EXPECT_T((encodeState->encodeOption & JKEncodeOptionStringObjTrimQuotes) == 0UL)) { encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\"'; } + jk_encode_updateCache(encodeState, cacheSlot, startingAtIndex, encodeCacheObject); + return(0); + } + } + + slowUTF8Path: + { + CFIndex stringLength = CFStringGetLength((CFStringRef)object); + CFIndex maxStringUTF8Length = CFStringGetMaximumSizeForEncoding(stringLength, kCFStringEncodingUTF8) + 32L; + + if(JK_EXPECT_F((size_t)maxStringUTF8Length > encodeState->utf8ConversionBuffer.bytes.length) && JK_EXPECT_F(jk_managedBuffer_resize(&encodeState->utf8ConversionBuffer, maxStringUTF8Length + 1024UL) == NULL)) { jk_encode_error(encodeState, @"Unable to resize temporary buffer."); return(1); } + + CFIndex usedBytes = 0L, convertedCount = 0L; + convertedCount = CFStringGetBytes((CFStringRef)object, CFRangeMake(0L, stringLength), kCFStringEncodingUTF8, '?', NO, encodeState->utf8ConversionBuffer.bytes.ptr, encodeState->utf8ConversionBuffer.bytes.length - 16L, &usedBytes); + if(JK_EXPECT_F(convertedCount != stringLength) || JK_EXPECT_F(usedBytes < 0L)) { jk_encode_error(encodeState, @"An error occurred converting the contents of a NSString to UTF8."); return(1); } + + if(JK_EXPECT_F((encodeState->atIndex + (maxStringUTF8Length * 2UL) + 256UL) > encodeState->stringBuffer.bytes.length) && JK_EXPECT_F(jk_managedBuffer_resize(&encodeState->stringBuffer, encodeState->atIndex + (maxStringUTF8Length * 2UL) + 1024UL) == NULL)) { jk_encode_error(encodeState, @"Unable to resize temporary buffer."); return(1); } + + const unsigned char *utf8String = encodeState->utf8ConversionBuffer.bytes.ptr; + + size_t utf8Idx = 0UL; + if(JK_EXPECT_T((encodeState->encodeOption & JKEncodeOptionStringObjTrimQuotes) == 0UL)) { encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\"'; } + for(utf8Idx = 0UL; utf8Idx < (size_t)usedBytes; utf8Idx++) { + NSCParameterAssert(((&encodeState->stringBuffer.bytes.ptr[encodeState->atIndex]) - encodeState->stringBuffer.bytes.ptr) < (ssize_t)encodeState->stringBuffer.bytes.length); + NSCParameterAssert(encodeState->atIndex < encodeState->stringBuffer.bytes.length); + NSCParameterAssert((CFIndex)utf8Idx < usedBytes); + if(JK_EXPECT_F(utf8String[utf8Idx] < 0x20U)) { + switch(utf8String[utf8Idx]) { + case '\b': encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\\'; encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = 'b'; break; + case '\f': encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\\'; encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = 'f'; break; + case '\n': encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\\'; encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = 'n'; break; + case '\r': encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\\'; encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = 'r'; break; + case '\t': encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\\'; encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = 't'; break; + default: if(JK_EXPECT_F(jk_encode_printf(encodeState, NULL, 0UL, NULL, "\\u%4.4x", utf8String[utf8Idx]))) { return(1); } break; + } + } else { + if(JK_EXPECT_F(utf8String[utf8Idx] >= 0x80U) && (encodeState->serializeOptionFlags & JKSerializeOptionEscapeUnicode)) { + const unsigned char *nextValidCharacter = NULL; + UTF32 u32ch = 0U; + ConversionResult result; + + if(JK_EXPECT_F((result = ConvertSingleCodePointInUTF8(&utf8String[utf8Idx], &utf8String[usedBytes], (UTF8 const **)&nextValidCharacter, &u32ch)) != conversionOK)) { jk_encode_error(encodeState, @"Error converting UTF8."); return(1); } + else { + utf8Idx = (nextValidCharacter - utf8String) - 1UL; + if(JK_EXPECT_T(u32ch <= 0xffffU)) { if(JK_EXPECT_F(jk_encode_printf(encodeState, NULL, 0UL, NULL, "\\u%4.4x", u32ch))) { return(1); } } + else { if(JK_EXPECT_F(jk_encode_printf(encodeState, NULL, 0UL, NULL, "\\u%4.4x\\u%4.4x", (0xd7c0U + (u32ch >> 10)), (0xdc00U + (u32ch & 0x3ffU))))) { return(1); } } + } + } else { + if(JK_EXPECT_F(utf8String[utf8Idx] == '\"') || JK_EXPECT_F(utf8String[utf8Idx] == '\\') || (JK_EXPECT_F(encodeState->serializeOptionFlags & JKSerializeOptionEscapeForwardSlashes) && JK_EXPECT_F(utf8String[utf8Idx] == '/'))) { encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\\'; } + encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = utf8String[utf8Idx]; + } + } + } + NSCParameterAssert((encodeState->atIndex + 1UL) < encodeState->stringBuffer.bytes.length); + if(JK_EXPECT_T((encodeState->encodeOption & JKEncodeOptionStringObjTrimQuotes) == 0UL)) { encodeState->stringBuffer.bytes.ptr[encodeState->atIndex++] = '\"'; } + jk_encode_updateCache(encodeState, cacheSlot, startingAtIndex, encodeCacheObject); + return(0); + } + } + break; + + case JKClassNumber: + { + if(object == (id)kCFBooleanTrue) { return(jk_encode_writen(encodeState, cacheSlot, startingAtIndex, encodeCacheObject, "true", 4UL)); } + else if(object == (id)kCFBooleanFalse) { return(jk_encode_writen(encodeState, cacheSlot, startingAtIndex, encodeCacheObject, "false", 5UL)); } + + const char *objCType = [object objCType]; + char anum[256], *aptr = &anum[255]; + int isNegative = 0; + unsigned long long ullv; + long long llv; + + if(JK_EXPECT_F(objCType == NULL) || JK_EXPECT_F(objCType[0] == 0) || JK_EXPECT_F(objCType[1] != 0)) { jk_encode_error(encodeState, @"NSNumber conversion error, unknown type. Type: '%s'", (objCType == NULL) ? "" : objCType); return(1); } + + switch(objCType[0]) { + case 'c': case 'i': case 's': case 'l': case 'q': + if(JK_EXPECT_T(CFNumberGetValue((CFNumberRef)object, kCFNumberLongLongType, &llv))) { + if(llv < 0LL) { ullv = -llv; isNegative = 1; } else { ullv = llv; isNegative = 0; } + goto convertNumber; + } else { jk_encode_error(encodeState, @"Unable to get scalar value from number object."); return(1); } + break; + case 'C': case 'I': case 'S': case 'L': case 'Q': case 'B': + if(JK_EXPECT_T(CFNumberGetValue((CFNumberRef)object, kCFNumberLongLongType, &ullv))) { + convertNumber: + if(JK_EXPECT_F(ullv < 10ULL)) { *--aptr = ullv + '0'; } else { while(JK_EXPECT_T(ullv > 0ULL)) { *--aptr = (ullv % 10ULL) + '0'; ullv /= 10ULL; NSCParameterAssert(aptr > anum); } } + if(isNegative) { *--aptr = '-'; } + NSCParameterAssert(aptr > anum); + return(jk_encode_writen(encodeState, cacheSlot, startingAtIndex, encodeCacheObject, aptr, &anum[255] - aptr)); + } else { jk_encode_error(encodeState, @"Unable to get scalar value from number object."); return(1); } + break; + case 'f': case 'd': + { + double dv; + if(JK_EXPECT_T(CFNumberGetValue((CFNumberRef)object, kCFNumberDoubleType, &dv))) { + if(JK_EXPECT_F(!isfinite(dv))) { jk_encode_error(encodeState, @"Floating point values must be finite. JSON does not support NaN or Infinity."); return(1); } + return(jk_encode_printf(encodeState, cacheSlot, startingAtIndex, encodeCacheObject, "%.17g", dv)); + } else { jk_encode_error(encodeState, @"Unable to get floating point value from number object."); return(1); } + } + break; + default: jk_encode_error(encodeState, @"NSNumber conversion error, unknown type. Type: '%c' / 0x%2.2x", objCType[0], objCType[0]); return(1); break; + } + } + break; + + case JKClassArray: + { + int printComma = 0; + CFIndex arrayCount = CFArrayGetCount((CFArrayRef)object), idx = 0L; + if(JK_EXPECT_F(jk_encode_write1(encodeState, 1L, "["))) { return(1); } + if(JK_EXPECT_F(arrayCount > 1020L)) { + for(id arrayObject in object) { if(JK_EXPECT_T(printComma)) { if(JK_EXPECT_F(jk_encode_write1(encodeState, 0L, ","))) { return(1); } } printComma = 1; if(JK_EXPECT_F(jk_encode_add_atom_to_buffer(encodeState, arrayObject))) { return(1); } } + } else { + void *objects[1024]; + CFArrayGetValues((CFArrayRef)object, CFRangeMake(0L, arrayCount), (const void **)objects); + for(idx = 0L; idx < arrayCount; idx++) { if(JK_EXPECT_T(printComma)) { if(JK_EXPECT_F(jk_encode_write1(encodeState, 0L, ","))) { return(1); } } printComma = 1; if(JK_EXPECT_F(jk_encode_add_atom_to_buffer(encodeState, objects[idx]))) { return(1); } } + } + return(jk_encode_write1(encodeState, -1L, "]")); + } + break; + + case JKClassDictionary: + { + int printComma = 0; + CFIndex dictionaryCount = CFDictionaryGetCount((CFDictionaryRef)object), idx = 0L; + id enumerateObject = JK_EXPECT_F(_jk_encode_prettyPrint) ? [[object allKeys] sortedArrayUsingSelector:@selector(compare:)] : object; + + if(JK_EXPECT_F(jk_encode_write1(encodeState, 1L, "{"))) { return(1); } + if(JK_EXPECT_F(_jk_encode_prettyPrint) || JK_EXPECT_F(dictionaryCount > 1020L)) { + for(id keyObject in enumerateObject) { + if(JK_EXPECT_T(printComma)) { if(JK_EXPECT_F(jk_encode_write1(encodeState, 0L, ","))) { return(1); } } + printComma = 1; + if(JK_EXPECT_F((keyObject->isa != encodeState->fastClassLookup.stringClass)) && JK_EXPECT_F(([keyObject isKindOfClass:[NSString class]] == NO))) { jk_encode_error(encodeState, @"Key must be a string object."); return(1); } + if(JK_EXPECT_F(jk_encode_add_atom_to_buffer(encodeState, keyObject))) { return(1); } + if(JK_EXPECT_F(jk_encode_write1(encodeState, 0L, ":"))) { return(1); } + if(JK_EXPECT_F(jk_encode_add_atom_to_buffer(encodeState, (void *)CFDictionaryGetValue((CFDictionaryRef)object, keyObject)))) { return(1); } + } + } else { + void *keys[1024], *objects[1024]; + CFDictionaryGetKeysAndValues((CFDictionaryRef)object, (const void **)keys, (const void **)objects); + for(idx = 0L; idx < dictionaryCount; idx++) { + if(JK_EXPECT_T(printComma)) { if(JK_EXPECT_F(jk_encode_write1(encodeState, 0L, ","))) { return(1); } } + printComma = 1; + if(JK_EXPECT_F(((id)keys[idx])->isa != encodeState->fastClassLookup.stringClass) && JK_EXPECT_F([(id)keys[idx] isKindOfClass:[NSString class]] == NO)) { jk_encode_error(encodeState, @"Key must be a string object."); return(1); } + if(JK_EXPECT_F(jk_encode_add_atom_to_buffer(encodeState, keys[idx]))) { return(1); } + if(JK_EXPECT_F(jk_encode_write1(encodeState, 0L, ":"))) { return(1); } + if(JK_EXPECT_F(jk_encode_add_atom_to_buffer(encodeState, objects[idx]))) { return(1); } + } + } + return(jk_encode_write1(encodeState, -1L, "}")); + } + break; + + case JKClassNull: return(jk_encode_writen(encodeState, cacheSlot, startingAtIndex, encodeCacheObject, "null", 4UL)); break; + + default: jk_encode_error(encodeState, @"Unable to serialize object class %@.", NSStringFromClass([object class])); return(1); break; + } + + return(0); +} + + +@implementation JKSerializer + ++ (id)serializeObject:(id)object options:(JKSerializeOptionFlags)optionFlags encodeOption:(JKEncodeOptionType)encodeOption block:(JKSERIALIZER_BLOCKS_PROTO)block delegate:(id)delegate selector:(SEL)selector error:(NSError **)error +{ + return([[[[self alloc] init] autorelease] serializeObject:object options:optionFlags encodeOption:encodeOption block:block delegate:delegate selector:selector error:error]); +} + +- (id)serializeObject:(id)object options:(JKSerializeOptionFlags)optionFlags encodeOption:(JKEncodeOptionType)encodeOption block:(JKSERIALIZER_BLOCKS_PROTO)block delegate:(id)delegate selector:(SEL)selector error:(NSError **)error +{ +#ifndef __BLOCKS__ +#pragma unused(block) +#endif + NSParameterAssert((object != NULL) && (encodeState == NULL) && ((delegate != NULL) ? (block == NULL) : 1) && ((block != NULL) ? (delegate == NULL) : 1) && + (((encodeOption & JKEncodeOptionCollectionObj) != 0UL) ? (((encodeOption & JKEncodeOptionStringObj) == 0UL) && ((encodeOption & JKEncodeOptionStringObjTrimQuotes) == 0UL)) : 1) && + (((encodeOption & JKEncodeOptionStringObj) != 0UL) ? ((encodeOption & JKEncodeOptionCollectionObj) == 0UL) : 1)); + + id returnObject = NULL; + + if(encodeState != NULL) { [self releaseState]; } + if((encodeState = (struct JKEncodeState *)calloc(1UL, sizeof(JKEncodeState))) == NULL) { [NSException raise:NSMallocException format:@"Unable to allocate state structure."]; return(NULL); } + + if((error != NULL) && (*error != NULL)) { *error = NULL; } + + if(delegate != NULL) { + if(selector == NULL) { [NSException raise:NSInvalidArgumentException format:@"The delegate argument is not NULL, but the selector argument is NULL."]; } + if([delegate respondsToSelector:selector] == NO) { [NSException raise:NSInvalidArgumentException format:@"The serializeUnsupportedClassesUsingDelegate: delegate does not respond to the selector argument."]; } + encodeState->classFormatterDelegate = delegate; + encodeState->classFormatterSelector = selector; + encodeState->classFormatterIMP = (JKClassFormatterIMP)[delegate methodForSelector:selector]; + NSCParameterAssert(encodeState->classFormatterIMP != NULL); + } + +#ifdef __BLOCKS__ + encodeState->classFormatterBlock = block; +#endif + encodeState->serializeOptionFlags = optionFlags; + encodeState->encodeOption = encodeOption; + encodeState->stringBuffer.roundSizeUpToMultipleOf = (1024UL * 32UL); + encodeState->utf8ConversionBuffer.roundSizeUpToMultipleOf = 4096UL; + + unsigned char stackJSONBuffer[JK_JSONBUFFER_SIZE] JK_ALIGNED(64); + jk_managedBuffer_setToStackBuffer(&encodeState->stringBuffer, stackJSONBuffer, sizeof(stackJSONBuffer)); + + unsigned char stackUTF8Buffer[JK_UTF8BUFFER_SIZE] JK_ALIGNED(64); + jk_managedBuffer_setToStackBuffer(&encodeState->utf8ConversionBuffer, stackUTF8Buffer, sizeof(stackUTF8Buffer)); + + if(((encodeOption & JKEncodeOptionCollectionObj) != 0UL) && (([object isKindOfClass:[NSArray class]] == NO) && ([object isKindOfClass:[NSDictionary class]] == NO))) { jk_encode_error(encodeState, @"Unable to serialize object class %@, expected a NSArray or NSDictionary.", NSStringFromClass([object class])); goto errorExit; } + if(((encodeOption & JKEncodeOptionStringObj) != 0UL) && ([object isKindOfClass:[NSString class]] == NO)) { jk_encode_error(encodeState, @"Unable to serialize object class %@, expected a NSString.", NSStringFromClass([object class])); goto errorExit; } + + if(jk_encode_add_atom_to_buffer(encodeState, object) == 0) { + BOOL stackBuffer = ((encodeState->stringBuffer.flags & JKManagedBufferMustFree) == 0UL) ? YES : NO; + + if((encodeState->atIndex < 2UL)) + if((stackBuffer == NO) && ((encodeState->stringBuffer.bytes.ptr = (unsigned char *)reallocf(encodeState->stringBuffer.bytes.ptr, encodeState->atIndex + 16UL)) == NULL)) { jk_encode_error(encodeState, @"Unable to realloc buffer"); goto errorExit; } + + switch((encodeOption & JKEncodeOptionAsTypeMask)) { + case JKEncodeOptionAsData: + if(stackBuffer == YES) { if((returnObject = [(id)CFDataCreate( NULL, encodeState->stringBuffer.bytes.ptr, (CFIndex)encodeState->atIndex) autorelease]) == NULL) { jk_encode_error(encodeState, @"Unable to create NSData object"); } } + else { if((returnObject = [(id)CFDataCreateWithBytesNoCopy( NULL, encodeState->stringBuffer.bytes.ptr, (CFIndex)encodeState->atIndex, NULL) autorelease]) == NULL) { jk_encode_error(encodeState, @"Unable to create NSData object"); } } + break; + + case JKEncodeOptionAsString: + if(stackBuffer == YES) { if((returnObject = [(id)CFStringCreateWithBytes( NULL, (const UInt8 *)encodeState->stringBuffer.bytes.ptr, (CFIndex)encodeState->atIndex, kCFStringEncodingUTF8, NO) autorelease]) == NULL) { jk_encode_error(encodeState, @"Unable to create NSString object"); } } + else { if((returnObject = [(id)CFStringCreateWithBytesNoCopy(NULL, (const UInt8 *)encodeState->stringBuffer.bytes.ptr, (CFIndex)encodeState->atIndex, kCFStringEncodingUTF8, NO, NULL) autorelease]) == NULL) { jk_encode_error(encodeState, @"Unable to create NSString object"); } } + break; + + default: jk_encode_error(encodeState, @"Unknown encode as type."); break; + } + + if((returnObject != NULL) && (stackBuffer == NO)) { encodeState->stringBuffer.flags &= ~JKManagedBufferMustFree; encodeState->stringBuffer.bytes.ptr = NULL; encodeState->stringBuffer.bytes.length = 0UL; } + } + +errorExit: + if((encodeState != NULL) && (error != NULL) && (encodeState->error != NULL)) { *error = encodeState->error; encodeState->error = NULL; } + [self releaseState]; + + return(returnObject); +} + +- (void)releaseState +{ + if(encodeState != NULL) { + jk_managedBuffer_release(&encodeState->stringBuffer); + jk_managedBuffer_release(&encodeState->utf8ConversionBuffer); + free(encodeState); encodeState = NULL; + } +} + +- (void)dealloc +{ + [self releaseState]; + [super dealloc]; +} + +@end + +@implementation NSString (JSONKitSerializing) + +//////////// +#pragma mark Methods for serializing a single NSString. +//////////// + +// Useful for those who need to serialize just a NSString. Otherwise you would have to do something like [NSArray arrayWithObject:stringToBeJSONSerialized], serializing the array, and then chopping of the extra ^\[.*\]$ square brackets. + +// NSData returning methods... + +- (NSData *)JSONData +{ + return([self JSONDataWithOptions:JKSerializeOptionNone includeQuotes:YES error:NULL]); +} + +- (NSData *)JSONDataWithOptions:(JKSerializeOptionFlags)serializeOptions includeQuotes:(BOOL)includeQuotes error:(NSError **)error +{ + return([JKSerializer serializeObject:self options:serializeOptions encodeOption:(JKEncodeOptionAsData | ((includeQuotes == NO) ? JKEncodeOptionStringObjTrimQuotes : 0UL) | JKEncodeOptionStringObj) block:NULL delegate:NULL selector:NULL error:error]); +} + +// NSString returning methods... + +- (NSString *)JSONString +{ + return([self JSONStringWithOptions:JKSerializeOptionNone includeQuotes:YES error:NULL]); +} + +- (NSString *)JSONStringWithOptions:(JKSerializeOptionFlags)serializeOptions includeQuotes:(BOOL)includeQuotes error:(NSError **)error +{ + return([JKSerializer serializeObject:self options:serializeOptions encodeOption:(JKEncodeOptionAsString | ((includeQuotes == NO) ? JKEncodeOptionStringObjTrimQuotes : 0UL) | JKEncodeOptionStringObj) block:NULL delegate:NULL selector:NULL error:error]); +} + +@end + +@implementation NSArray (JSONKitSerializing) + +// NSData returning methods... + +- (NSData *)JSONData +{ + return([JKSerializer serializeObject:self options:JKSerializeOptionNone encodeOption:(JKEncodeOptionAsData | JKEncodeOptionCollectionObj) block:NULL delegate:NULL selector:NULL error:NULL]); +} + +- (NSData *)JSONDataWithOptions:(JKSerializeOptionFlags)serializeOptions error:(NSError **)error +{ + return([JKSerializer serializeObject:self options:serializeOptions encodeOption:(JKEncodeOptionAsData | JKEncodeOptionCollectionObj) block:NULL delegate:NULL selector:NULL error:error]); +} + +- (NSData *)JSONDataWithOptions:(JKSerializeOptionFlags)serializeOptions serializeUnsupportedClassesUsingDelegate:(id)delegate selector:(SEL)selector error:(NSError **)error +{ + return([JKSerializer serializeObject:self options:serializeOptions encodeOption:(JKEncodeOptionAsData | JKEncodeOptionCollectionObj) block:NULL delegate:delegate selector:selector error:error]); +} + +// NSString returning methods... + +- (NSString *)JSONString +{ + return([JKSerializer serializeObject:self options:JKSerializeOptionNone encodeOption:(JKEncodeOptionAsString | JKEncodeOptionCollectionObj) block:NULL delegate:NULL selector:NULL error:NULL]); +} + +- (NSString *)JSONStringWithOptions:(JKSerializeOptionFlags)serializeOptions error:(NSError **)error +{ + return([JKSerializer serializeObject:self options:serializeOptions encodeOption:(JKEncodeOptionAsString | JKEncodeOptionCollectionObj) block:NULL delegate:NULL selector:NULL error:error]); +} + +- (NSString *)JSONStringWithOptions:(JKSerializeOptionFlags)serializeOptions serializeUnsupportedClassesUsingDelegate:(id)delegate selector:(SEL)selector error:(NSError **)error +{ + return([JKSerializer serializeObject:self options:serializeOptions encodeOption:(JKEncodeOptionAsString | JKEncodeOptionCollectionObj) block:NULL delegate:delegate selector:selector error:error]); +} + +@end + +@implementation NSDictionary (JSONKitSerializing) + +// NSData returning methods... + +- (NSData *)JSONData +{ + return([JKSerializer serializeObject:self options:JKSerializeOptionNone encodeOption:(JKEncodeOptionAsData | JKEncodeOptionCollectionObj) block:NULL delegate:NULL selector:NULL error:NULL]); +} + +- (NSData *)JSONDataWithOptions:(JKSerializeOptionFlags)serializeOptions error:(NSError **)error +{ + return([JKSerializer serializeObject:self options:serializeOptions encodeOption:(JKEncodeOptionAsData | JKEncodeOptionCollectionObj) block:NULL delegate:NULL selector:NULL error:error]); +} + +- (NSData *)JSONDataWithOptions:(JKSerializeOptionFlags)serializeOptions serializeUnsupportedClassesUsingDelegate:(id)delegate selector:(SEL)selector error:(NSError **)error +{ + return([JKSerializer serializeObject:self options:serializeOptions encodeOption:(JKEncodeOptionAsData | JKEncodeOptionCollectionObj) block:NULL delegate:delegate selector:selector error:error]); +} + +// NSString returning methods... + +- (NSString *)JSONString +{ + return([JKSerializer serializeObject:self options:JKSerializeOptionNone encodeOption:(JKEncodeOptionAsString | JKEncodeOptionCollectionObj) block:NULL delegate:NULL selector:NULL error:NULL]); +} + +- (NSString *)JSONStringWithOptions:(JKSerializeOptionFlags)serializeOptions error:(NSError **)error +{ + return([JKSerializer serializeObject:self options:serializeOptions encodeOption:(JKEncodeOptionAsString | JKEncodeOptionCollectionObj) block:NULL delegate:NULL selector:NULL error:error]); +} + +- (NSString *)JSONStringWithOptions:(JKSerializeOptionFlags)serializeOptions serializeUnsupportedClassesUsingDelegate:(id)delegate selector:(SEL)selector error:(NSError **)error +{ + return([JKSerializer serializeObject:self options:serializeOptions encodeOption:(JKEncodeOptionAsString | JKEncodeOptionCollectionObj) block:NULL delegate:delegate selector:selector error:error]); +} + +@end + + +#ifdef __BLOCKS__ + +@implementation NSArray (JSONKitSerializingBlockAdditions) + +- (NSData *)JSONDataWithOptions:(JKSerializeOptionFlags)serializeOptions serializeUnsupportedClassesUsingBlock:(id(^)(id object))block error:(NSError **)error +{ + return([JKSerializer serializeObject:self options:serializeOptions encodeOption:(JKEncodeOptionAsData | JKEncodeOptionCollectionObj) block:block delegate:NULL selector:NULL error:error]); +} + +- (NSString *)JSONStringWithOptions:(JKSerializeOptionFlags)serializeOptions serializeUnsupportedClassesUsingBlock:(id(^)(id object))block error:(NSError **)error +{ + return([JKSerializer serializeObject:self options:serializeOptions encodeOption:(JKEncodeOptionAsString | JKEncodeOptionCollectionObj) block:block delegate:NULL selector:NULL error:error]); +} + +@end + +@implementation NSDictionary (JSONKitSerializingBlockAdditions) + +- (NSData *)JSONDataWithOptions:(JKSerializeOptionFlags)serializeOptions serializeUnsupportedClassesUsingBlock:(id(^)(id object))block error:(NSError **)error +{ + return([JKSerializer serializeObject:self options:serializeOptions encodeOption:(JKEncodeOptionAsData | JKEncodeOptionCollectionObj) block:block delegate:NULL selector:NULL error:error]); +} + +- (NSString *)JSONStringWithOptions:(JKSerializeOptionFlags)serializeOptions serializeUnsupportedClassesUsingBlock:(id(^)(id object))block error:(NSError **)error +{ + return([JKSerializer serializeObject:self options:serializeOptions encodeOption:(JKEncodeOptionAsString | JKEncodeOptionCollectionObj) block:block delegate:NULL selector:NULL error:error]); +} + +@end + +#endif // __BLOCKS__ diff --git a/AFNetworkingExample/Vendor/TTT/TTTLocationFormatter.h b/AFNetworkingExample/Vendor/TTT/TTTLocationFormatter.h new file mode 100644 index 0000000..be7a374 --- /dev/null +++ b/AFNetworkingExample/Vendor/TTT/TTTLocationFormatter.h @@ -0,0 +1,83 @@ +// TTTLocationFormatter.h +// +// Copyright (c) 2011 Mattt Thompson (http://mattt.me) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import +#import + +typedef enum { + TTTNorthDirection, + TTTNortheastDirection, + TTTEastDirection, + TTTSoutheastDirection, + TTTSouthDirection, + TTTSouthwestDirection, + TTTWestDirection, + TTTNorthwestDirection, +} TTTLocationCardinalDirection; + +extern TTTLocationCardinalDirection TTTLocationCardinalDirectionFromBearing(CLLocationDegrees bearing); + +typedef enum { + TTTCoordinateLatLngOrder = 0, + TTTCoordinateLngLatOrder, +} TTTLocationFormatterCoordinateOrder; + +typedef enum { + TTTBearingWordStyle = 0, + TTTBearingAbbreviationWordStyle, + TTTBearingNumericStyle, +} TTTLocationFormatterBearingStyle; + +typedef enum { + TTTMetricSystem = 0, + TTTImperialSystem, +} TTTLocationUnitSystem; + +@interface TTTLocationFormatter : NSFormatter { + TTTLocationFormatterCoordinateOrder _coordinateOrder; + TTTLocationFormatterBearingStyle _bearingStyle; + TTTLocationUnitSystem _unitSystem; + NSNumberFormatter *_numberFormatter; +} + +@property (readonly, nonatomic, retain) NSNumberFormatter *numberFormatter; + +- (NSString *)stringFromCoordinate:(CLLocationCoordinate2D)coordinate; +- (NSString *)stringFromLocation:(CLLocation *)location; +- (NSString *)stringFromDistance:(CLLocationDistance)distance; +- (NSString *)stringFromBearing:(CLLocationDegrees)bearing; +- (NSString *)stringFromSpeed:(CLLocationSpeed)speed; +- (NSString *)stringFromDistanceFromLocation:(CLLocation *)originLocation toLocation:(CLLocation *)destinationLocation; +- (NSString *)stringFromBearingFromLocation:(CLLocation *)originLocation toLocation:(CLLocation *)destinationLocation; +- (NSString *)stringFromDistanceAndBearingFromLocation:(CLLocation *)originLocation toLocation:(CLLocation *)destinationLocation; +- (NSString *)stringFromVelocityFromLocation:(CLLocation *)originLocation toLocation:(CLLocation *)destinationLocation atSpeed:(CLLocationSpeed)speed; + +- (TTTLocationFormatterCoordinateOrder)coordinateOrder; +- (void)setCoordinateOrder:(TTTLocationFormatterCoordinateOrder)coordinateOrder; + +- (TTTLocationFormatterBearingStyle)bearingStyle; +- (void)setBearingStyle:(TTTLocationFormatterBearingStyle)bearingStyle; + +- (TTTLocationUnitSystem)unitSystem; +- (void)setUnitSystem:(TTTLocationUnitSystem)unitSystem; + +@end diff --git a/AFNetworkingExample/Vendor/TTT/TTTLocationFormatter.m b/AFNetworkingExample/Vendor/TTT/TTTLocationFormatter.m new file mode 100644 index 0000000..88089df --- /dev/null +++ b/AFNetworkingExample/Vendor/TTT/TTTLocationFormatter.m @@ -0,0 +1,299 @@ +// TTTLocationFormatter.m +// +// Copyright (c) 2011 Mattt Thompson (http://mattt.me) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import "TTTLocationFormatter.h" + +static double const kTTTMetersToKilometersCoefficient = 0.001; +static double const kTTTMetersToFeetCoefficient = 3.2808399; +static double const kTTTMetersToYardsCoefficient = 1.0936133; +static double const kTTTMetersToMilesCoefficient = 0.000621371192; + +static inline double CLLocationDistanceToKilometers(CLLocationDistance distance) { + return distance * kTTTMetersToKilometersCoefficient; +} + +static inline double CLLocationDistanceToFeet(CLLocationDistance distance) { + return distance * kTTTMetersToFeetCoefficient; +} + +static inline double CLLocationDistanceToYards(CLLocationDistance distance) { + return distance * kTTTMetersToYardsCoefficient; +} + +static inline double CLLocationDistanceToMiles(CLLocationDistance distance) { + return distance * kTTTMetersToMilesCoefficient; +} + +#pragma mark - + +static inline double DEG2RAD(double degrees) { + return degrees * M_PI / 180; +}; + +static inline double RAD2DEG(double radians) { + return radians * 180 / M_PI; +}; + +static inline CLLocationDegrees CLLocationDegreesBearingBetweenCoordinates(CLLocationCoordinate2D originCoordinate, CLLocationCoordinate2D destinationCoordinate) { + double lat1 = DEG2RAD(originCoordinate.latitude); + double lon1 = DEG2RAD(originCoordinate.longitude); + double lat2 = DEG2RAD(destinationCoordinate.latitude); + double lon2 = DEG2RAD(destinationCoordinate.longitude); + + double dLon = lon2 - lon1; + double y = sin(dLon) * cos(lat2); + double x = cos(lat1) * sin(lat2) - sin(lat1) * cos(lat2) * cos(dLon); + double bearing = atan2(y, x) + (2 * M_PI); + + // `atan2` works on a range of -π to 0 to π, so add on 2π and perform a modulo check + if (bearing > (2 * M_PI)) { + bearing = bearing - (2 * M_PI); + } + + return RAD2DEG(bearing); +} + +TTTLocationCardinalDirection TTTLocationCardinalDirectionFromBearing(CLLocationDegrees bearing) { + if(bearing > 337.5) { + return TTTNorthDirection; + } else if(bearing > 292.5) { + return TTTNorthwestDirection; + } else if(bearing > 247.5) { + return TTTWestDirection; + } else if(bearing > 202.5) { + return TTTSouthwestDirection; + } else if(bearing > 157.5) { + return TTTSouthDirection; + } else if(bearing > 112.5) { + return TTTSoutheastDirection; + } else if(bearing > 67.5) { + return TTTEastDirection; + } else if(bearing > 22.5) { + return TTTNortheastDirection; + } else { + return TTTNorthDirection; + } +} + +#pragma mark - + +static double const kTTTMetersPerSecondToKilometersPerHourCoefficient = 3.6; +static double const kTTTMetersPerSecondToFeetPerSecondCoefficient = 3.2808399; +static double const kTTTMetersPerSecondToMilesPerHourCoefficient = 2.23693629; + +static inline double CLLocationSpeedToKilometersPerHour(CLLocationSpeed speed) { + return speed * kTTTMetersPerSecondToKilometersPerHourCoefficient; +} + +static inline double CLLocationSpeedToFeetPerSecond(CLLocationSpeed speed) { + return speed * kTTTMetersPerSecondToFeetPerSecondCoefficient; +} + +static inline double CLLocationSpeedToMilesPerHour(CLLocationSpeed speed) { + return speed * kTTTMetersPerSecondToMilesPerHourCoefficient; +} + + +@interface TTTLocationFormatter () +@property (readwrite, nonatomic, assign) TTTLocationFormatterCoordinateOrder coordinateOrder; +@property (readwrite, nonatomic, assign) TTTLocationFormatterBearingStyle bearingStyle; +@property (readwrite, nonatomic, assign) TTTLocationUnitSystem unitSystem; +@property (readwrite, nonatomic, retain) NSNumberFormatter *numberFormatter; +@end + +@implementation TTTLocationFormatter +@synthesize coordinateOrder = _coordinateOrder; +@synthesize bearingStyle = _bearingStyle; +@synthesize unitSystem = _unitSystem; +@synthesize numberFormatter = _numberFormatter; + +- (id)init { + self = [super init]; + if (!self) { + return nil; + } + + self.coordinateOrder = TTTCoordinateLatLngOrder; + self.bearingStyle = TTTBearingWordStyle; + self.unitSystem = TTTMetricSystem; + + self.numberFormatter = [[[NSNumberFormatter alloc] init] autorelease]; + [self.numberFormatter setLocale:[NSLocale currentLocale]]; + [self.numberFormatter setNumberStyle:NSNumberFormatterDecimalStyle]; + [self.numberFormatter setMaximumSignificantDigits:2]; + [self.numberFormatter setUsesSignificantDigits:YES]; + + return self; +} + +- (NSString *)stringFromCoordinate:(CLLocationCoordinate2D)coordinate { + return [NSString stringWithFormat:NSLocalizedString(@"(%@, %@)", @"Coordinate format"), [self.numberFormatter stringFromNumber:[NSNumber numberWithDouble:coordinate.latitude]], [self.numberFormatter stringFromNumber:[NSNumber numberWithDouble:coordinate.longitude]], nil]; +} + +- (NSString *)stringFromLocation:(CLLocation *)location { + return [self stringFromCoordinate:location.coordinate]; +} + +- (NSString *)stringFromDistance:(CLLocationDistance)distance { + NSString *distanceString = nil; + NSString *unitString = nil; + + switch (self.unitSystem) { + case TTTMetricSystem: { + double meterDistance = distance; + double kilometerDistance = CLLocationDistanceToKilometers(distance); + + if (kilometerDistance > 1) { + distanceString = [self.numberFormatter stringFromNumber:[NSNumber numberWithDouble:kilometerDistance]]; + unitString = NSLocalizedString(@"km", @"Kilometer Unit"); + } else { + distanceString = [self.numberFormatter stringFromNumber:[NSNumber numberWithDouble:meterDistance]]; + unitString = NSLocalizedString(@"m", @"Meter Unit"); + } + break; + } + + case TTTImperialSystem: { + double feetDistance = CLLocationDistanceToFeet(distance); + double yardDistance = CLLocationDistanceToYards(distance); + double milesDistance = CLLocationDistanceToMiles(distance); + + if (feetDistance < 300) { + distanceString = [self.numberFormatter stringFromNumber:[NSNumber numberWithDouble:feetDistance]]; + unitString = NSLocalizedString(@"ft", @"Feet Unit"); + } else if (yardDistance < 500) { + distanceString = [self.numberFormatter stringFromNumber:[NSNumber numberWithDouble:yardDistance]]; + unitString = NSLocalizedString(@"yds", @"Yard Unit"); + } else { + distanceString = [self.numberFormatter stringFromNumber:[NSNumber numberWithDouble:milesDistance]]; + unitString = (milesDistance > 1.0 && milesDistance < 1.1) ? NSLocalizedString(@"mile", @"Mile Unit (Singular)") : NSLocalizedString(@"miles", @"Mile Unit (Plural)"); + } + break; + } + } + + return [NSString stringWithFormat:NSLocalizedString(@"%@ %@", @"#{Distance} #{Unit}"), distanceString, unitString]; +} + +- (NSString *)stringFromBearing:(CLLocationDegrees)bearing { + switch (self.bearingStyle) { + case TTTBearingWordStyle: + switch (TTTLocationCardinalDirectionFromBearing(bearing)) { + case TTTNorthDirection: + return NSLocalizedString(@"North", @"North Direction"); + case TTTNortheastDirection: + return NSLocalizedString(@"Northeast", @"Northeast Direction"); + case TTTEastDirection: + return NSLocalizedString(@"East", @"East Direction"); + case TTTSoutheastDirection: + return NSLocalizedString(@"Southeast", @"Southeast Direction"); + case TTTSouthDirection: + return NSLocalizedString(@"South", @"South Direction"); + case TTTSouthwestDirection: + return NSLocalizedString(@"Southwest", @"Southwest Direction"); + case TTTWestDirection: + return NSLocalizedString(@"West", @"West Direction"); + case TTTNorthwestDirection: + return NSLocalizedString(@"Northwest", @"Northwest Direction"); + } + break; + case TTTBearingAbbreviationWordStyle: + switch (TTTLocationCardinalDirectionFromBearing(bearing)) { + case TTTNorthDirection: + return NSLocalizedString(@"N", @"North Direction Abbreviation"); + case TTTNortheastDirection: + return NSLocalizedString(@"NE", @"Northeast Direction Abbreviation"); + case TTTEastDirection: + return NSLocalizedString(@"E", @"East Direction Abbreviation"); + case TTTSoutheastDirection: + return NSLocalizedString(@"SE", @"Southeast Direction Abbreviation"); + case TTTSouthDirection: + return NSLocalizedString(@"S", @"South Direction Abbreviation"); + case TTTSouthwestDirection: + return NSLocalizedString(@"SW", @"Southwest Direction Abbreviation"); + case TTTWestDirection: + return NSLocalizedString(@"W", @"West Direction Abbreviation"); + case TTTNorthwestDirection: + return NSLocalizedString(@"NW", @"Northwest Direction Abbreviation");; + } + break; + case TTTBearingNumericStyle: + return [[self.numberFormatter stringFromNumber:[NSNumber numberWithDouble:bearing]] stringByAppendingString:NSLocalizedString(@"°", @"Degrees Symbol")]; + } + + return nil; +} + +- (NSString *)stringFromSpeed:(CLLocationSpeed)speed { + NSString *speedString = nil; + NSString *unitString = nil; + + switch (self.unitSystem) { + case TTTMetricSystem: { + double metersPerSecondSpeed = speed; + double kilometersPerHourSpeed = CLLocationSpeedToKilometersPerHour(speed); + + if (kilometersPerHourSpeed > 1) { + speedString = [self.numberFormatter stringFromNumber:[NSNumber numberWithDouble:kilometersPerHourSpeed]]; + unitString = NSLocalizedString(@"km/h", @"Kilometers Per Hour Unit"); + } else { + speedString = [self.numberFormatter stringFromNumber:[NSNumber numberWithDouble:metersPerSecondSpeed]]; + unitString = NSLocalizedString(@"m/s", @"Meters Per Second Unit"); + } + break; + } + + case TTTImperialSystem: { + double feetPerSecondSpeed = CLLocationSpeedToFeetPerSecond(speed); + double milesPerHourSpeed = CLLocationSpeedToMilesPerHour(speed); + + if (milesPerHourSpeed > 1) { + speedString = [self.numberFormatter stringFromNumber:[NSNumber numberWithDouble:milesPerHourSpeed]]; + unitString = NSLocalizedString(@"mph", @"Miles Per Hour Unit"); + } else { + speedString = [self.numberFormatter stringFromNumber:[NSNumber numberWithDouble:feetPerSecondSpeed]]; + unitString = NSLocalizedString(@"ft/s", @"Feet Per Second Unit"); + } + break; + } + } + + return [NSString stringWithFormat:NSLocalizedString(@"%@ %@", @"#{Speed} #{Unit}"), speedString, unitString]; +} + +- (NSString *)stringFromDistanceFromLocation:(CLLocation *)originLocation toLocation:(CLLocation *)destinationLocation { + return [self stringFromDistance:[destinationLocation distanceFromLocation:originLocation]]; +} + +- (NSString *)stringFromBearingFromLocation:(CLLocation *)originLocation toLocation:(CLLocation *)destinationLocation { + return [self stringFromBearing:CLLocationDegreesBearingBetweenCoordinates(originLocation.coordinate, destinationLocation.coordinate)]; +} + +- (NSString *)stringFromDistanceAndBearingFromLocation:(CLLocation *)originLocation toLocation:(CLLocation *)destinationLocation { + return [NSString stringWithFormat:NSLocalizedString(@"%@ %@", @"#{Dimensional Quantity} #{Direction}"), [self stringFromDistanceFromLocation:originLocation toLocation:destinationLocation], [self stringFromBearingFromLocation:originLocation toLocation:destinationLocation]]; +} + +- (NSString *)stringFromVelocityFromLocation:(CLLocation *)originLocation toLocation:(CLLocation *)destinationLocation atSpeed:(CLLocationSpeed)speed { + return [NSString stringWithFormat:NSLocalizedString(@"%@ %@", @"#{Dimensional Quantity} #{Direction}"), [self stringFromSpeed:speed], [self stringFromBearingFromLocation:originLocation toLocation:destinationLocation]]; +} + +@end diff --git a/AFNetworkingExample/main.m b/AFNetworkingExample/main.m new file mode 100644 index 0000000..e8f8501 --- /dev/null +++ b/AFNetworkingExample/main.m @@ -0,0 +1,31 @@ +// main.m +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import + +int main(int argc, char *argv[]) +{ + NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; + int retVal = UIApplicationMain(argc, argv, @"UIApplication", @"AppDelegate"); + [pool release]; + return retVal; +} diff --git a/AFURLCache.h b/AFURLCache.h new file mode 100644 index 0000000..5313301 --- /dev/null +++ b/AFURLCache.h @@ -0,0 +1,39 @@ +// AFURLCache.h +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import + +extern NSString * AFURLCacheKeyForNSURLRequest(NSURLRequest *request); + +@interface AFURLCache : NSURLCache { +@private + NSCountedSet *_cachedRequests; + NSMutableDictionary *_keyedCachedResponsesByRequest; + + NSOperationQueue *_periodicMaintenanceOperationQueue; + NSOperation *_periodicMaintenanceOperation; + NSTimer *_periodicMaintenanceTimer; +} + ++ (NSString *)defaultCachePath; + +@end diff --git a/AFURLCache.m b/AFURLCache.m new file mode 100644 index 0000000..117d555 --- /dev/null +++ b/AFURLCache.m @@ -0,0 +1,159 @@ +// AFURLCache.m +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import +#import "AFURLCache.h" + +static const NSTimeInterval kAFURLCacheMaintenanceTimeInterval = 30.0; + +NSString * AFURLCacheKeyForNSURLRequest(NSURLRequest *request) { + const char *str = [[[request URL] absoluteString] UTF8String]; + unsigned char r[CC_MD5_DIGEST_LENGTH]; + CC_MD5(str, strlen(str), r); + return [NSString stringWithFormat:@"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", + r[0], r[1], r[2], r[3], r[4], r[5], r[6], r[7], r[8], r[9], r[10], r[11], r[12], r[13], r[14], r[15]]; +} + +@interface AFURLCache () +@property (nonatomic, retain) NSCountedSet *cachedRequests; +@property (nonatomic, retain) NSMutableDictionary *keyedCachedResponsesByRequest; + +@property (nonatomic, retain) NSOperationQueue *periodicMaintenanceOperationQueue; +@property (nonatomic, retain) NSOperation *periodicMaintenanceOperation; +@property (nonatomic, retain) NSTimer *periodicMaintenanceTimer; +@end + +@implementation AFURLCache +@synthesize cachedRequests = _cachedRequests; +@synthesize keyedCachedResponsesByRequest = _keyedCachedResponsesByRequest; +@synthesize periodicMaintenanceOperationQueue = _periodicMaintenanceOperationQueue; +@synthesize periodicMaintenanceOperation = _periodicMaintenanceOperation; +@synthesize periodicMaintenanceTimer = _periodicMaintenanceTimer; + ++ (NSString *)defaultCachePath { + return nil; +} + +- (id)initWithMemoryCapacity:(NSUInteger)memoryCapacity diskCapacity:(NSUInteger)diskCapacity diskPath:(NSString *)path { + self = [super initWithMemoryCapacity:memoryCapacity diskCapacity:diskCapacity diskPath:path]; + if (!self) { + return nil; + } + + self.cachedRequests = [NSCountedSet setWithCapacity:200]; + self.keyedCachedResponsesByRequest = [NSMutableDictionary dictionaryWithCapacity:200]; + + self.periodicMaintenanceOperationQueue = [[[NSOperationQueue alloc] init] autorelease]; + [self.periodicMaintenanceOperationQueue setMaxConcurrentOperationCount:1]; + self.periodicMaintenanceTimer = [[NSTimer scheduledTimerWithTimeInterval:kAFURLCacheMaintenanceTimeInterval target:self selector:@selector(periodicMaintenance) userInfo:nil repeats:YES] retain]; + + [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(sweepMemoryCache) name:UIApplicationDidReceiveMemoryWarningNotification object:nil]; + + return self; +} + +- (void)dealloc { + [[NSNotificationCenter defaultCenter] removeObserver:self]; + + [_cachedRequests release]; + [_keyedCachedResponsesByRequest release]; + + [_periodicMaintenanceOperationQueue cancelAllOperations]; + [_periodicMaintenanceOperationQueue release]; + [_periodicMaintenanceOperation release]; + + [_periodicMaintenanceTimer invalidate]; + _periodicMaintenanceTimer = nil; + [super dealloc]; +} + +#pragma mark - NSURLCache + +- (NSCachedURLResponse *)cachedResponseForRequest:(NSURLRequest *)request { + NSString *cacheKey = AFURLCacheKeyForNSURLRequest(request); + NSCachedURLResponse *cachedResponse = [self.keyedCachedResponsesByRequest valueForKey:cacheKey]; + if (cachedResponse) { + return cachedResponse; + } + + return nil; +} + +- (void)storeCachedResponse:(NSCachedURLResponse *)cachedResponse forRequest:(NSURLRequest *)request { + NSString *cacheKey = AFURLCacheKeyForNSURLRequest(request); + [self.keyedCachedResponsesByRequest setObject:cachedResponse forKey:cacheKey]; + [self.cachedRequests addObject:cacheKey]; +} + +- (void)removeCachedResponseForRequest:(NSURLRequest *)request { + NSString *cacheKey = AFURLCacheKeyForNSURLRequest(request); + [self.keyedCachedResponsesByRequest removeObjectForKey:cacheKey]; + [self.cachedRequests removeObject:cacheKey]; +} + +- (void)removeAllCachedResponses { + [self.keyedCachedResponsesByRequest removeAllObjects]; + [self.cachedRequests removeAllObjects]; +} + +- (NSUInteger)currentMemoryUsage { + return [[[self.keyedCachedResponsesByRequest allValues] valueForKeyPath:@"@sum.data.length"] integerValue]; +} + +#pragma mark - Maintenance + +- (void)periodicMaintenance { + [self.periodicMaintenanceOperation cancel]; + self.periodicMaintenanceOperation = nil; + if ([self currentMemoryUsage] > [self memoryCapacity]) { + self.periodicMaintenanceOperation = [[[NSInvocationOperation alloc] initWithTarget:self selector:@selector(sweepMemoryCache) object:nil] autorelease]; + [self.periodicMaintenanceOperationQueue addOperation:self.periodicMaintenanceOperation]; + } +} + +- (void)sweepMemoryCache { + NSArray *sortedCachedRequests = [[self.cachedRequests allObjects] sortedArrayUsingComparator:^(id obj1, id obj2) { + NSUInteger count1 = [self.cachedRequests countForObject:obj1]; + NSUInteger count2 = [self.cachedRequests countForObject:obj2]; + + if (count1 > count2) { + return NSOrderedDescending; + } else if (count1 < count2) { + return NSOrderedAscending; + } else { + return NSOrderedSame; + } + }]; + + NSUInteger memoryDeficit = [self currentMemoryUsage] - [self memoryCapacity]; + NSString *cacheKey = nil; + NSEnumerator *enumerator = [sortedCachedRequests reverseObjectEnumerator]; + while (memoryDeficit > 0 && (cacheKey = [enumerator nextObject])) { + NSCachedURLResponse *response = (NSCachedURLResponse *)[self.keyedCachedResponsesByRequest objectForKey:cacheKey]; + memoryDeficit -= [[response data] length]; + [self.keyedCachedResponsesByRequest removeObjectForKey:cacheKey]; + } + + self.cachedRequests = [NSCountedSet setWithArray:[self.keyedCachedResponsesByRequest allKeys]]; +} + +@end diff --git a/QHTTPOperation/QHTTPOperation.h b/QHTTPOperation/QHTTPOperation.h new file mode 100644 index 0000000..62332da --- /dev/null +++ b/QHTTPOperation/QHTTPOperation.h @@ -0,0 +1,245 @@ +/* + File: QHTTPOperation.h + + Contains: An NSOperation that runs an HTTP request. + + Written by: DTS + + Copyright: Copyright (c) 2010 Apple Inc. All Rights Reserved. + + Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Inc. + ("Apple") in consideration of your agreement to the following + terms, and your use, installation, modification or + redistribution of this Apple software constitutes acceptance of + these terms. If you do not agree with these terms, please do + not use, install, modify or redistribute this Apple software. + + In consideration of your agreement to abide by the following + terms, and subject to these terms, Apple grants you a personal, + non-exclusive license, under Apple's copyrights in this + original Apple software (the "Apple Software"), to use, + reproduce, modify and redistribute the Apple Software, with or + without modifications, in source and/or binary forms; provided + that if you redistribute the Apple Software in its entirety and + without modifications, you must retain this notice and the + following text and disclaimers in all such redistributions of + the Apple Software. Neither the name, trademarks, service marks + or logos of Apple Inc. may be used to endorse or promote + products derived from the Apple Software without specific prior + written permission from Apple. Except as expressly stated in + this notice, no other rights or licenses, express or implied, + are granted by Apple herein, including but not limited to any + patent rights that may be infringed by your derivative works or + by other works in which the Apple Software may be incorporated. + + The Apple Software is provided by Apple on an "AS IS" basis. + APPLE MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING + WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING + THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN + COMBINATION WITH YOUR PRODUCTS. + + IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, + INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY + OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION + OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY + OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR + OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF + SUCH DAMAGE. + +*/ + +#import "QRunLoopOperation.h" + +/* + QHTTPOperation is a general purpose NSOperation that runs an HTTP request. + You initialise it with an HTTP request and then, when you run the operation, + it sends the request and gathers the response. It is quite a complex + object because it handles a wide variety of edge cases, but it's very + easy to use in simple cases: + + 1. create the operation with the URL you want to get + + op = [[[QHTTPOperation alloc] initWithURL:url] autorelease]; + + 2. set up any non-default parameters, for example, set which HTTP + content types are acceptable + + op.acceptableContentTypes = [NSSet setWithObject:@"text/html"]; + + 3. enqueue the operation + + [queue addOperation:op]; + + 4. finally, when the operation is done, use the lastResponse and + error properties to find out how things went + + As mentioned above, QHTTPOperation is very general purpose. There are a + large number of configuration and result options available to you. + + o You can specify a NSURLRequest rather than just a URL. + + o You can configure the run loop and modes on which the NSURLConnection is + scheduled. + + o You can specify what HTTP status codes and content types are OK. + + o You can set an authentication delegate to handle authentication challenges. + + o You can accumulate responses in memory or in an NSOutputStream. + + o For in-memory responses, you can specify a default response size + (used to size the response buffer) and a maximum response size + (to prevent unbounded memory use). + + o You can get at the last request and the last response, to track + redirects. + + o There are a variety of funky debugging options to simulator errors + and delays. + + Finally, it's perfectly reasonable to subclass QHTTPOperation to meet you + own specific needs. Specifically, it's common for the subclass to + override -connection:didReceiveResponse: in order to setup the output + stream based on the specific details of the response. +*/ + +@protocol QHTTPOperationAuthenticationDelegate; + +@interface QHTTPOperation : QRunLoopOperation /* */ +{ + NSURLRequest * _request; + NSIndexSet * _acceptableStatusCodes; + NSSet * _acceptableContentTypes; + id _authenticationDelegate; + NSOutputStream * _responseOutputStream; + NSUInteger _defaultResponseSize; + NSUInteger _maximumResponseSize; + NSURLConnection * _connection; + BOOL _firstData; + NSMutableData * _dataAccumulator; + NSURLRequest * _lastRequest; + NSHTTPURLResponse * _lastResponse; + NSData * _responseBody; +#if ! defined(NDEBUG) + NSError * _debugError; + NSTimeInterval _debugDelay; + NSTimer * _debugDelayTimer; +#endif +} + +- (id)initWithRequest:(NSURLRequest *)request; // designated +- (id)initWithURL:(NSURL *)url; // convenience, calls +[NSURLRequest requestWithURL:] + +// Things that are configured by the init method and can't be changed. + +@property (copy, readonly) NSURLRequest * request; +@property (copy, readonly) NSURL * URL; + +// Things you can configure before queuing the operation. + +// runLoopThread and runLoopModes inherited from QRunLoopOperation +@property (copy, readwrite) NSIndexSet * acceptableStatusCodes; // default is nil, implying 200..299 +@property (copy, readwrite) NSSet * acceptableContentTypes; // default is nil, implying anything is acceptable +@property (assign, readwrite) id authenticationDelegate; + +#if ! defined(NDEBUG) +@property (copy, readwrite) NSError * debugError; // default is nil +@property (assign, readwrite) NSTimeInterval debugDelay; // default is none +#endif + +// Things you can configure up to the point where you start receiving data. +// Typically you would change these in -connection:didReceiveResponse:, but +// it is possible to change them up to the point where -connection:didReceiveData: +// is called for the first time (that is, you could override -connection:didReceiveData: +// and change these before calling super). + +// IMPORTANT: If you set a response stream, QHTTPOperation calls the response +// stream synchronously. This is fine for file and memory streams, but it would +// not work well for other types of streams (like a bound pair). + +@property (retain, readwrite) NSOutputStream * responseOutputStream; // defaults to nil, which puts response into responseBody +@property (assign, readwrite) NSUInteger defaultResponseSize; // default is 1 MB, ignored if responseOutputStream is set +@property (assign, readwrite) NSUInteger maximumResponseSize; // default is 4 MB, ignored if responseOutputStream is set + // defaults are 1/4 of the above on embedded + +// Things that are only meaningful after a response has been received; + +@property (assign, readonly, getter=isStatusCodeAcceptable) BOOL statusCodeAcceptable; +@property (assign, readonly, getter=isContentTypeAcceptable) BOOL contentTypeAcceptable; + +// Things that are only meaningful after the operation is finished. + +// error property inherited from QRunLoopOperation +@property (copy, readonly) NSURLRequest * lastRequest; +@property (copy, readonly) NSHTTPURLResponse * lastResponse; + +@property (copy, readonly) NSData * responseBody; + +@end + +@interface QHTTPOperation (NSURLConnectionDelegate) + +// QHTTPOperation implements all of these methods, so if you override them +// you must consider whether or not to call super. +// +// These will be called on the operation's run loop thread. + +- (BOOL)connection:(NSURLConnection *)connection canAuthenticateAgainstProtectionSpace:(NSURLProtectionSpace *)protectionSpace; + // Routes the request to the authentication delegate if it exists, otherwise + // just returns NO. + +- (void)connection:(NSURLConnection *)connection didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge; + // Routes the request to the authentication delegate if it exists, otherwise + // just cancels the challenge. + +- (NSURLRequest *)connection:(NSURLConnection *)connection willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response; + // Latches the request and response in lastRequest and lastResponse. + +- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response; + // Latches the response in lastResponse. + +- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data; + // If this is the first chunk of data, it decides whether the data is going to be + // routed to memory (responseBody) or a stream (responseOutputStream) and makes the + // appropriate preparations. For this and subsequent data it then actually shuffles + // the data to its destination. + +- (void)connectionDidFinishLoading:(NSURLConnection *)connection; + // Completes the operation with either no error (if the response status code is acceptable) + // or an error (otherwise). + +- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error; + // Completes the operation with the error. + +@end + +@protocol QHTTPOperationAuthenticationDelegate +@required + +// These are called on the operation's run loop thread and have the same semantics as their +// NSURLConnection equivalents. It's important to realise that there is no +// didCancelAuthenticationChallenge callback (because NSURLConnection doesn't issue one to us). +// Rather, an authentication delegate is expected to observe the operation and cancel itself +// if the operation completes while the challenge is running. + +- (BOOL)httpOperation:(QHTTPOperation *)operation canAuthenticateAgainstProtectionSpace:(NSURLProtectionSpace *)protectionSpace; +- (void)httpOperation:(QHTTPOperation *)operation didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge; + +@end + +extern NSString * kQHTTPOperationErrorDomain; + +// positive error codes are HTML status codes (when they are not allowed via acceptableStatusCodes) +// +// 0 is, of course, not a valid error code +// +// negative error codes are errors from the module + +enum { + kQHTTPOperationErrorResponseTooLarge = -1, + kQHTTPOperationErrorOnOutputStream = -2, + kQHTTPOperationErrorBadContentType = -3 +}; diff --git a/QHTTPOperation/QHTTPOperation.m b/QHTTPOperation/QHTTPOperation.m new file mode 100644 index 0000000..fec3f19 --- /dev/null +++ b/QHTTPOperation/QHTTPOperation.m @@ -0,0 +1,653 @@ +/* + File: QHTTPOperation.m + + Contains: An NSOperation that runs an HTTP request. + + Written by: DTS + + Copyright: Copyright (c) 2010 Apple Inc. All Rights Reserved. + + Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Inc. + ("Apple") in consideration of your agreement to the following + terms, and your use, installation, modification or + redistribution of this Apple software constitutes acceptance of + these terms. If you do not agree with these terms, please do + not use, install, modify or redistribute this Apple software. + + In consideration of your agreement to abide by the following + terms, and subject to these terms, Apple grants you a personal, + non-exclusive license, under Apple's copyrights in this + original Apple software (the "Apple Software"), to use, + reproduce, modify and redistribute the Apple Software, with or + without modifications, in source and/or binary forms; provided + that if you redistribute the Apple Software in its entirety and + without modifications, you must retain this notice and the + following text and disclaimers in all such redistributions of + the Apple Software. Neither the name, trademarks, service marks + or logos of Apple Inc. may be used to endorse or promote + products derived from the Apple Software without specific prior + written permission from Apple. Except as expressly stated in + this notice, no other rights or licenses, express or implied, + are granted by Apple herein, including but not limited to any + patent rights that may be infringed by your derivative works or + by other works in which the Apple Software may be incorporated. + + The Apple Software is provided by Apple on an "AS IS" basis. + APPLE MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING + WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING + THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN + COMBINATION WITH YOUR PRODUCTS. + + IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, + INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY + OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION + OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY + OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR + OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF + SUCH DAMAGE. + +*/ + +#import "QHTTPOperation.h" + +@interface QHTTPOperation () + +// Read/write versions of public properties + +@property (copy, readwrite) NSURLRequest * lastRequest; +@property (copy, readwrite) NSHTTPURLResponse * lastResponse; + +// Internal properties + +@property (retain, readwrite) NSURLConnection * connection; +@property (assign, readwrite) BOOL firstData; +@property (retain, readwrite) NSMutableData * dataAccumulator; + +#if ! defined(NDEBUG) +@property (retain, readwrite) NSTimer * debugDelayTimer; +#endif + +@end + +@implementation QHTTPOperation + +#pragma mark * Initialise and finalise + +- (id)initWithRequest:(NSURLRequest *)request + // See comment in header. +{ + // any thread + assert(request != nil); + assert([request URL] != nil); + // Because we require an NSHTTPURLResponse, we only support HTTP and HTTPS URLs. + assert([[[[request URL] scheme] lowercaseString] isEqual:@"http"] || [[[[request URL] scheme] lowercaseString] isEqual:@"https"]); + self = [super init]; + if (self != nil) { + #if TARGET_OS_EMBEDDED || TARGET_IPHONE_SIMULATOR + static const NSUInteger kPlatformReductionFactor = 4; + #else + static const NSUInteger kPlatformReductionFactor = 1; + #endif + self->_request = [request copy]; + self->_defaultResponseSize = 1 * 1024 * 1024 / kPlatformReductionFactor; + self->_maximumResponseSize = 4 * 1024 * 1024 / kPlatformReductionFactor; + self->_firstData = YES; + } + return self; +} + +- (id)initWithURL:(NSURL *)url + // See comment in header. +{ + assert(url != nil); + return [self initWithRequest:[NSURLRequest requestWithURL:url]]; +} + +- (void)dealloc +{ + #if ! defined(NDEBUG) + [self->_debugError release]; + [self->_debugDelayTimer invalidate]; + [self->_debugDelayTimer release]; + #endif + // any thread + [self->_request release]; + [self->_acceptableStatusCodes release]; + [self->_acceptableContentTypes release]; + [self->_responseOutputStream release]; + assert(self->_connection == nil); // should have been shut down by now + [self->_dataAccumulator release]; + [self->_lastRequest release]; + [self->_lastResponse release]; + [self->_responseBody release]; + [super dealloc]; +} + +#pragma mark * Properties + +// We write our own settings for many properties because we want to bounce +// sets that occur in the wrong state. And, given that we've written the +// setter anyway, we also avoid KVO notifications when the value doesn't change. + +@synthesize request = _request; + +@synthesize authenticationDelegate = _authenticationDelegate; + ++ (BOOL)automaticallyNotifiesObserversOfAuthenticationDelegate +{ + return NO; +} + +- (id)authenticationDelegate +{ + return self->_authenticationDelegate; +} + +- (void)setAuthenticationDelegate:(id)newValue +{ + if (self.state != kQRunLoopOperationStateInited) { + assert(NO); + } else { + if (newValue != self->_authenticationDelegate) { + [self willChangeValueForKey:@"authenticationDelegate"]; + self->_authenticationDelegate = newValue; + [self didChangeValueForKey:@"authenticationDelegate"]; + } + } +} + +@synthesize acceptableStatusCodes = _acceptableStatusCodes; + ++ (BOOL)automaticallyNotifiesObserversOfAcceptableStatusCodes +{ + return NO; +} + +- (NSIndexSet *)acceptableStatusCodes +{ + return [[self->_acceptableStatusCodes retain] autorelease]; +} + +- (void)setAcceptableStatusCodes:(NSIndexSet *)newValue +{ + if (self.state != kQRunLoopOperationStateInited) { + assert(NO); + } else { + if (newValue != self->_acceptableStatusCodes) { + [self willChangeValueForKey:@"acceptableStatusCodes"]; + [self->_acceptableStatusCodes autorelease]; + self->_acceptableStatusCodes = [newValue copy]; + [self didChangeValueForKey:@"acceptableStatusCodes"]; + } + } +} + +@synthesize acceptableContentTypes = _acceptableContentTypes; + ++ (BOOL)automaticallyNotifiesObserversOfAcceptableContentTypes +{ + return NO; +} + +- (NSSet *)acceptableContentTypes +{ + return [[self->_acceptableContentTypes retain] autorelease]; +} + +- (void)setAcceptableContentTypes:(NSSet *)newValue +{ + if (self.state != kQRunLoopOperationStateInited) { + assert(NO); + } else { + if (newValue != self->_acceptableContentTypes) { + [self willChangeValueForKey:@"acceptableContentTypes"]; + [self->_acceptableContentTypes autorelease]; + self->_acceptableContentTypes = [newValue copy]; + [self didChangeValueForKey:@"acceptableContentTypes"]; + } + } +} + +@synthesize responseOutputStream = _responseOutputStream; + ++ (BOOL)automaticallyNotifiesObserversOfResponseOutputStream +{ + return NO; +} + +- (NSOutputStream *)responseOutputStream +{ + return [[self->_responseOutputStream retain] autorelease]; +} + +- (void)setResponseOutputStream:(NSOutputStream *)newValue +{ + if (self.dataAccumulator != nil) { + assert(NO); + } else { + if (newValue != self->_responseOutputStream) { + [self willChangeValueForKey:@"responseOutputStream"]; + [self->_responseOutputStream autorelease]; + self->_responseOutputStream = [newValue retain]; + [self didChangeValueForKey:@"responseOutputStream"]; + } + } +} + +@synthesize defaultResponseSize = _defaultResponseSize; + ++ (BOOL)automaticallyNotifiesObserversOfDefaultResponseSize +{ + return NO; +} + +- (NSUInteger)defaultResponseSize +{ + return self->_defaultResponseSize; +} + +- (void)setDefaultResponseSize:(NSUInteger)newValue +{ + if (self.dataAccumulator != nil) { + assert(NO); + } else { + if (newValue != self->_defaultResponseSize) { + [self willChangeValueForKey:@"defaultResponseSize"]; + self->_defaultResponseSize = newValue; + [self didChangeValueForKey:@"defaultResponseSize"]; + } + } +} + +@synthesize maximumResponseSize = _maximumResponseSize; + ++ (BOOL)automaticallyNotifiesObserversOfMaximumResponseSize +{ + return NO; +} + +- (NSUInteger)maximumResponseSize +{ + return self->_maximumResponseSize; +} + +- (void)setMaximumResponseSize:(NSUInteger)newValue +{ + if (self.dataAccumulator != nil) { + assert(NO); + } else { + if (newValue != self->_maximumResponseSize) { + [self willChangeValueForKey:@"maximumResponseSize"]; + self->_maximumResponseSize = newValue; + [self didChangeValueForKey:@"maximumResponseSize"]; + } + } +} + +@synthesize lastRequest = _lastRequest; +@synthesize lastResponse = _lastResponse; +@synthesize responseBody = _responseBody; + +@synthesize connection = _connection; +@synthesize firstData = _firstData; +@synthesize dataAccumulator = _dataAccumulator; + +- (NSURL *)URL +{ + return [self.request URL]; +} + +- (BOOL)isStatusCodeAcceptable +{ + NSIndexSet * acceptableStatusCodes; + NSInteger statusCode; + + assert(self.lastResponse != nil); + + acceptableStatusCodes = self.acceptableStatusCodes; + if (acceptableStatusCodes == nil) { + acceptableStatusCodes = [NSIndexSet indexSetWithIndexesInRange:NSMakeRange(200, 100)]; + } + assert(acceptableStatusCodes != nil); + + statusCode = [self.lastResponse statusCode]; + return (statusCode >= 0) && [acceptableStatusCodes containsIndex: (NSUInteger) statusCode]; +} + +- (BOOL)isContentTypeAcceptable +{ + NSString * contentType; + + assert(self.lastResponse != nil); + contentType = [self.lastResponse MIMEType]; + return (self.acceptableContentTypes == nil) || ((contentType != nil) && [self.acceptableContentTypes containsObject:contentType]); +} + +#pragma mark * Start and finish overrides + +- (void)operationDidStart + // Called by QRunLoopOperation when the operation starts. This kicks of an + // asynchronous NSURLConnection. +{ + assert(self.isActualRunLoopThread); + assert(self.state == kQRunLoopOperationStateExecuting); + + assert(self.defaultResponseSize > 0); + assert(self.maximumResponseSize > 0); + assert(self.defaultResponseSize <= self.maximumResponseSize); + + assert(self.request != nil); + + // If a debug error is set, apply that error rather than running the connection. + + #if ! defined(NDEBUG) + if (self.debugError != nil) { + [self finishWithError:self.debugError]; + return; + } + #endif + + // Create a connection that's scheduled in the required run loop modes. + + assert(self.connection == nil); + self.connection = [[[NSURLConnection alloc] initWithRequest:self.request delegate:self startImmediately:NO] autorelease]; + assert(self.connection != nil); + + for (NSString * mode in self.actualRunLoopModes) { + [self.connection scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:mode]; + } + + [self.connection start]; +} + +- (void)operationWillFinish + // Called by QRunLoopOperation when the operation has finished. We + // do various bits of tidying up. +{ + assert(self.isActualRunLoopThread); + assert(self.state == kQRunLoopOperationStateExecuting); + + // It is possible to hit this state of the operation is cancelled while + // the debugDelayTimer is running. In that case, hey, we'll just accept + // the inevitable and finish rather than trying anything else clever. + + #if ! defined(NDEBUG) + if (self.debugDelayTimer != nil) { + [self.debugDelayTimer invalidate]; + self.debugDelayTimer = nil; + } + #endif + + [self.connection cancel]; + self.connection = nil; + + // If we have an output stream, close it at this point. We might never + // have actually opened this stream but, AFAICT, closing an unopened stream + // doesn't hurt. + + if (self.responseOutputStream != nil) { + [self.responseOutputStream close]; + } +} + +- (void)finishWithError:(NSError *)error + // We override -finishWithError: just so we can handle our debug delay. +{ + // If a debug delay was set, don't finish now but rather start the debug delay timer + // and have it do the actual finish. We clear self.debugDelay so that the next + // time this code runs its doesn't do this again. + // + // We only do this in the non-cancellation case. In the cancellation case, we + // just stop immediately. + + #if ! defined(NDEBUG) + if (self.debugDelay > 0.0) { + if ( (error != nil) && [[error domain] isEqual:NSCocoaErrorDomain] && ([error code] == NSUserCancelledError) ) { + self.debugDelay = 0.0; + } else { + assert(self.debugDelayTimer == nil); + self.debugDelayTimer = [NSTimer timerWithTimeInterval:self.debugDelay target:self selector:@selector(debugDelayTimerDone:) userInfo:error repeats:NO]; + assert(self.debugDelayTimer != nil); + for (NSString * mode in self.actualRunLoopModes) { + [[NSRunLoop currentRunLoop] addTimer:self.debugDelayTimer forMode:mode]; + } + self.debugDelay = 0.0; + return; + } + } + #endif + + [super finishWithError:error]; +} + +#if ! defined(NDEBUG) + +@synthesize debugError = _debugError; +@synthesize debugDelay = _debugDelay; +@synthesize debugDelayTimer = _debugDelayTimer; + +- (void)debugDelayTimerDone:(NSTimer *)timer +{ + NSError * error; + + assert(timer == self.debugDelayTimer); + + error = [[[timer userInfo] retain] autorelease]; + assert( (error == nil) || [error isKindOfClass:[NSError class]] ); + + [self.debugDelayTimer invalidate]; + self.debugDelayTimer = nil; + + [self finishWithError:error]; +} + +#endif + +#pragma mark * NSURLConnection delegate callbacks + +- (BOOL)connection:(NSURLConnection *)connection canAuthenticateAgainstProtectionSpace:(NSURLProtectionSpace *)protectionSpace + // See comment in header. +{ + BOOL result; + + assert(self.isActualRunLoopThread); + assert(connection == self.connection); + #pragma unused(connection) + assert(protectionSpace != nil); + #pragma unused(protectionSpace) + + result = NO; + if (self.authenticationDelegate != nil) { + result = [self.authenticationDelegate httpOperation:self canAuthenticateAgainstProtectionSpace:protectionSpace]; + } + return result; +} + +- (void)connection:(NSURLConnection *)connection didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge + // See comment in header. +{ + assert(self.isActualRunLoopThread); + assert(connection == self.connection); + #pragma unused(connection) + assert(challenge != nil); + #pragma unused(challenge) + + if (self.authenticationDelegate != nil) { + [self.authenticationDelegate httpOperation:self didReceiveAuthenticationChallenge:challenge]; + } else { + if ( [challenge previousFailureCount] == 0 ) { + [[challenge sender] continueWithoutCredentialForAuthenticationChallenge:challenge]; + } else { + [[challenge sender] cancelAuthenticationChallenge:challenge]; + } + } +} + +- (NSURLRequest *)connection:(NSURLConnection *)connection willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response + // See comment in header. +{ + assert(self.isActualRunLoopThread); + assert(connection == self.connection); + #pragma unused(connection) + assert( (response == nil) || [response isKindOfClass:[NSHTTPURLResponse class]] ); + + self.lastRequest = request; + self.lastResponse = (NSHTTPURLResponse *) response; + return request; +} + +- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response + // See comment in header. +{ + assert(self.isActualRunLoopThread); + assert(connection == self.connection); + #pragma unused(connection) + assert([response isKindOfClass:[NSHTTPURLResponse class]]); + + self.lastResponse = (NSHTTPURLResponse *) response; + + // We don't check the status code here because we want to give the client an opportunity + // to get the data of the error message. Perhaps we /should/ check the content type + // here, but I'm not sure whether that's the right thing to do. +} + +- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data + // See comment in header. +{ + BOOL success; + + assert(self.isActualRunLoopThread); + assert(connection == self.connection); + #pragma unused(connection) + assert(data != nil); + + // If we don't yet have a destination for the data, calculate one. Note that, even + // if there is an output stream, we don't use it for error responses. + + success = YES; + if (self.firstData) { + assert(self.dataAccumulator == nil); + + if ( (self.responseOutputStream == nil) || ! self.isStatusCodeAcceptable ) { + long long length; + + assert(self.dataAccumulator == nil); + + length = [self.lastResponse expectedContentLength]; + if (length == NSURLResponseUnknownLength) { + length = self.defaultResponseSize; + } + if (length <= (long long) self.maximumResponseSize) { + self.dataAccumulator = [NSMutableData dataWithCapacity:(NSUInteger)length]; + } else { + [self finishWithError:[NSError errorWithDomain:kQHTTPOperationErrorDomain code:kQHTTPOperationErrorResponseTooLarge userInfo:nil]]; + success = NO; + } + } + + // If the data is going to an output stream, open it. + + if (success) { + if (self.dataAccumulator == nil) { + assert(self.responseOutputStream != nil); + [self.responseOutputStream open]; + } + } + + self.firstData = NO; + } + + // Write the data to its destination. + + if (success) { + if (self.dataAccumulator != nil) { + if ( ([self.dataAccumulator length] + [data length]) <= self.maximumResponseSize ) { + [self.dataAccumulator appendData:data]; + } else { + [self finishWithError:[NSError errorWithDomain:kQHTTPOperationErrorDomain code:kQHTTPOperationErrorResponseTooLarge userInfo:nil]]; + } + } else { + NSUInteger dataOffset; + NSUInteger dataLength; + const uint8_t * dataPtr; + NSError * error; + NSInteger bytesWritten; + + assert(self.responseOutputStream != nil); + + dataOffset = 0; + dataLength = [data length]; + dataPtr = [data bytes]; + error = nil; + do { + if (dataOffset == dataLength) { + break; + } + bytesWritten = [self.responseOutputStream write:&dataPtr[dataOffset] maxLength:dataLength - dataOffset]; + if (bytesWritten <= 0) { + error = [self.responseOutputStream streamError]; + if (error == nil) { + error = [NSError errorWithDomain:kQHTTPOperationErrorDomain code:kQHTTPOperationErrorOnOutputStream userInfo:nil]; + } + break; + } else { + dataOffset += bytesWritten; + } + } while (YES); + + if (error != nil) { + [self finishWithError:error]; + } + } + } +} + +- (void)connectionDidFinishLoading:(NSURLConnection *)connection + // See comment in header. +{ + assert(self.isActualRunLoopThread); + assert(connection == self.connection); + #pragma unused(connection) + + assert(self.lastResponse != nil); + + // Swap the data accumulator over to the response data so that we don't trigger a copy. + + assert(self->_responseBody == nil); + self->_responseBody = self->_dataAccumulator; + self->_dataAccumulator = nil; + + // Because we fill out _dataAccumulator lazily, an empty body will leave _dataAccumulator + // set to nil. That's not what our clients expect, so we fix it here. + + if (self->_responseBody == nil) { + self->_responseBody = [[NSData alloc] init]; + assert(self->_responseBody != nil); + } + + if ( ! self.isStatusCodeAcceptable ) { + [self finishWithError:[NSError errorWithDomain:kQHTTPOperationErrorDomain code:self.lastResponse.statusCode userInfo:nil]]; + } else if ( ! self.isContentTypeAcceptable ) { + [self finishWithError:[NSError errorWithDomain:kQHTTPOperationErrorDomain code:kQHTTPOperationErrorBadContentType userInfo:nil]]; + } else { + [self finishWithError:nil]; + } +} + +- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error + // See comment in header. +{ + assert(self.isActualRunLoopThread); + assert(connection == self.connection); + #pragma unused(connection) + assert(error != nil); + + [self finishWithError:error]; +} + +@end + +NSString * kQHTTPOperationErrorDomain = @"kQHTTPOperationErrorDomain"; diff --git a/QHTTPOperation/QReachabilityOperation.h b/QHTTPOperation/QReachabilityOperation.h new file mode 100644 index 0000000..52d39b4 --- /dev/null +++ b/QHTTPOperation/QReachabilityOperation.h @@ -0,0 +1,30 @@ +#import "QRunLoopOperation.h" +#include + +@interface QReachabilityOperation : QRunLoopOperation { + NSString * _hostName; + NSUInteger _flagsTargetMask; + NSUInteger _flagsTargetValue; + NSUInteger _flags; + SCNetworkReachabilityRef _ref; +} + +// Initialises the operation to monitor the reachability of the specified +// host. The operation finishes when (flags & flagsTargetMask) == flagsTargetValue. +- (id)initWithHostName:(NSString *)hostName; + +// Things that are configured by the init method and can't be changed. +@property (copy, readonly ) NSString * hostName; + +// Things you can configure before queuing the operation. + +// runLoopThread and runLoopModes inherited from QRunLoopOperation +@property (assign, readwrite) NSUInteger flagsTargetMask; +@property (assign, readwrite) NSUInteger flagsTargetValue; + +// Things that change as part of the progress of the operation. + +// error property inherited from QRunLoopOperation +@property (assign, readonly ) NSUInteger flags; // observable, changes on the actual run loop thread + +@end diff --git a/QHTTPOperation/QReachabilityOperation.m b/QHTTPOperation/QReachabilityOperation.m new file mode 100644 index 0000000..276ce99 --- /dev/null +++ b/QHTTPOperation/QReachabilityOperation.m @@ -0,0 +1,111 @@ +#import "QReachabilityOperation.h" + +@interface QReachabilityOperation () + +@property (assign, readwrite) NSUInteger flags; + +static void ReachabilityCallback( + SCNetworkReachabilityRef target, + SCNetworkReachabilityFlags flags, + void * info +); + +- (void)reachabilitySetFlags:(NSUInteger)newValue; + +@end + +@implementation QReachabilityOperation + +- (id)initWithHostName:(NSString *)hostName { + assert(hostName != nil); + self = [super init]; + if (self != nil) { + self->_hostName = [hostName copy]; + self->_flagsTargetMask = kSCNetworkReachabilityFlagsReachable | kSCNetworkReachabilityFlagsInterventionRequired; + self->_flagsTargetValue = kSCNetworkReachabilityFlagsReachable; + } + return self; +} + +- (void)dealloc { + [self->_hostName release]; + assert(self->_ref == NULL); + [super dealloc]; +} + +@synthesize hostName = _hostName; +@synthesize flagsTargetMask = _flagsTargetMask; +@synthesize flagsTargetValue = _flagsTargetValue; +@synthesize flags = _flags; + +// Called by QRunLoopOperation when the operation starts. This is our opportunity +// to install our run loop callbacks, which is exactly what we do. The only tricky +// thing is that we have to schedule the reachability ref to run in all of the +// run loop modes specified by our client. +- (void)operationDidStart { + Boolean success; + SCNetworkReachabilityContext context = { 0, self, NULL, NULL, NULL }; + + assert(self->_ref == NULL); + self->_ref = SCNetworkReachabilityCreateWithName(NULL, [self.hostName UTF8String]); + assert(self->_ref != NULL); + + success = SCNetworkReachabilitySetCallback(self->_ref, ReachabilityCallback, &context); + assert(success); + + for (NSString * mode in self.actualRunLoopModes) { + success = SCNetworkReachabilityScheduleWithRunLoop(self->_ref, CFRunLoopGetCurrent(), (CFStringRef) mode); + assert(success); + } +} + +static void ReachabilityCallback( + SCNetworkReachabilityRef target, + SCNetworkReachabilityFlags flags, + void * info +) + // Called by the system when the reachability flags change. We just forward + // the flags to our Objective-C code. +{ + QReachabilityOperation * obj; + + obj = (QReachabilityOperation *) info; + assert([obj isKindOfClass:[QReachabilityOperation class]]); + assert(target == obj->_ref); + #pragma unused(target) + + [obj reachabilitySetFlags:flags]; +} + +// Called when the reachability flags change. We just store the flags and then +// check to see if the flags meet our target criteria, in which case we stop the +// operation. +- (void)reachabilitySetFlags:(NSUInteger)newValue { + assert( [NSThread currentThread] == self.actualRunLoopThread ); + + self.flags = newValue; + if ( (self.flags & self.flagsTargetMask) == self.flagsTargetValue ) { + [self finishWithError:nil]; + } +} + +// Called by QRunLoopOperation when the operation finishes. We just clean up +// our reachability ref. +- (void)operationWillFinish { + Boolean success; + + if (self->_ref != NULL) { + for (NSString * mode in self.actualRunLoopModes) { + success = SCNetworkReachabilityUnscheduleFromRunLoop(self->_ref, CFRunLoopGetCurrent(), (CFStringRef) mode); + assert(success); + } + + success = SCNetworkReachabilitySetCallback(self->_ref, NULL, NULL); + assert(success); + + CFRelease(self->_ref); + self->_ref = NULL; + } +} + +@end diff --git a/QHTTPOperation/QRunLoopOperation.h b/QHTTPOperation/QRunLoopOperation.h new file mode 100644 index 0000000..7c1f76f --- /dev/null +++ b/QHTTPOperation/QRunLoopOperation.h @@ -0,0 +1,119 @@ +/* + File: QRunLoopOperation.h + + Contains: An abstract subclass of NSOperation for async run loop based operations. + + Written by: DTS + + Copyright: Copyright (c) 2010 Apple Inc. All Rights Reserved. + + Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Inc. + ("Apple") in consideration of your agreement to the following + terms, and your use, installation, modification or + redistribution of this Apple software constitutes acceptance of + these terms. If you do not agree with these terms, please do + not use, install, modify or redistribute this Apple software. + + In consideration of your agreement to abide by the following + terms, and subject to these terms, Apple grants you a personal, + non-exclusive license, under Apple's copyrights in this + original Apple software (the "Apple Software"), to use, + reproduce, modify and redistribute the Apple Software, with or + without modifications, in source and/or binary forms; provided + that if you redistribute the Apple Software in its entirety and + without modifications, you must retain this notice and the + following text and disclaimers in all such redistributions of + the Apple Software. Neither the name, trademarks, service marks + or logos of Apple Inc. may be used to endorse or promote + products derived from the Apple Software without specific prior + written permission from Apple. Except as expressly stated in + this notice, no other rights or licenses, express or implied, + are granted by Apple herein, including but not limited to any + patent rights that may be infringed by your derivative works or + by other works in which the Apple Software may be incorporated. + + The Apple Software is provided by Apple on an "AS IS" basis. + APPLE MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING + WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING + THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN + COMBINATION WITH YOUR PRODUCTS. + + IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, + INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY + OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION + OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY + OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR + OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF + SUCH DAMAGE. + +*/ + +#import + +enum QRunLoopOperationState { + kQRunLoopOperationStateInited, + kQRunLoopOperationStateExecuting, + kQRunLoopOperationStateFinished +}; +typedef enum QRunLoopOperationState QRunLoopOperationState; + +@interface QRunLoopOperation : NSOperation +{ + QRunLoopOperationState _state; + NSThread * _runLoopThread; + NSSet * _runLoopModes; + NSError * _error; +} + +// Things you can configure before queuing the operation. + +// IMPORTANT: Do not change these after queuing the operation; it's very likely that +// bad things will happen if you do. + +@property (retain, readwrite) NSThread * runLoopThread; // default is nil, implying main thread +@property (copy, readwrite) NSSet * runLoopModes; // default is nil, implying set containing NSDefaultRunLoopMode + +// Things that are only meaningful after the operation is finished. + +@property (copy, readonly ) NSError * error; + +// Things you can only alter implicitly. + +@property (assign, readonly ) QRunLoopOperationState state; +@property (retain, readonly ) NSThread * actualRunLoopThread; // main thread if runLoopThread is nil, runLoopThread otherwise +@property (assign, readonly ) BOOL isActualRunLoopThread; // YES if the current thread is the actual run loop thread +@property (copy, readonly ) NSSet * actualRunLoopModes; // set containing NSDefaultRunLoopMode if runLoopModes is nil or empty, runLoopModes otherwise + +@end + +@interface QRunLoopOperation (SubClassSupport) + +// Override points + +// A subclass will probably need to override -operationDidStart and -operationWillFinish +// to set up and tear down its run loop sources, respectively. These are always called +// on the actual run loop thread. +// +// Note that -operationWillFinish will be called even if the operation is cancelled. +// +// -operationWillFinish can check the error property to see whether the operation was +// successful. error will be NSCocoaErrorDomain/NSUserCancelledError on cancellation. +// +// -operationDidStart is allowed to call -finishWithError:. + +- (void)operationDidStart; +- (void)operationWillFinish; + +// Support methods + +// A subclass should call finishWithError: when the operation is complete, passing nil +// for no error and an error otherwise. It must call this on the actual run loop thread. +// +// Note that this will call -operationWillFinish before returning. + +- (void)finishWithError:(NSError *)error; + +@end diff --git a/QHTTPOperation/QRunLoopOperation.m b/QHTTPOperation/QRunLoopOperation.m new file mode 100644 index 0000000..ab75aa2 --- /dev/null +++ b/QHTTPOperation/QRunLoopOperation.m @@ -0,0 +1,359 @@ +/* + File: QRunLoopOperation.m + + Contains: An abstract subclass of NSOperation for async run loop based operations. + + Written by: DTS + + Copyright: Copyright (c) 2010 Apple Inc. All Rights Reserved. + + Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Inc. + ("Apple") in consideration of your agreement to the following + terms, and your use, installation, modification or + redistribution of this Apple software constitutes acceptance of + these terms. If you do not agree with these terms, please do + not use, install, modify or redistribute this Apple software. + + In consideration of your agreement to abide by the following + terms, and subject to these terms, Apple grants you a personal, + non-exclusive license, under Apple's copyrights in this + original Apple software (the "Apple Software"), to use, + reproduce, modify and redistribute the Apple Software, with or + without modifications, in source and/or binary forms; provided + that if you redistribute the Apple Software in its entirety and + without modifications, you must retain this notice and the + following text and disclaimers in all such redistributions of + the Apple Software. Neither the name, trademarks, service marks + or logos of Apple Inc. may be used to endorse or promote + products derived from the Apple Software without specific prior + written permission from Apple. Except as expressly stated in + this notice, no other rights or licenses, express or implied, + are granted by Apple herein, including but not limited to any + patent rights that may be infringed by your derivative works or + by other works in which the Apple Software may be incorporated. + + The Apple Software is provided by Apple on an "AS IS" basis. + APPLE MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING + WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING + THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN + COMBINATION WITH YOUR PRODUCTS. + + IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, + INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY + OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION + OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY + OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR + OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF + SUCH DAMAGE. + +*/ + +#import "QRunLoopOperation.h" + +/* + Theory of Operation + ------------------- + Some critical points: + + 1. By the time we're running on the run loop thread, we know that all further state + transitions happen on the run loop thread. That's because there are only three + states (inited, executing, and finished) and run loop thread code can only run + in the last two states and the transition from executing to finished is + always done on the run loop thread. + + 2. -start can only be called once. So run loop thread code doesn't have to worry + about racing with -start because, by the time the run loop thread code runs, + -start has already been called. + + 3. -cancel can be called multiple times from any thread. Run loop thread code + must take a lot of care with do the right thing with cancellation. + + Some state transitions: + + 1. init -> dealloc + 2. init -> cancel -> dealloc +XXX 3. init -> cancel -> start -> finish -> dealloc + 4. init -> cancel -> start -> startOnRunLoopThreadThread -> finish dealloc +!!! 5. init -> start -> cancel -> startOnRunLoopThreadThread -> finish -> cancelOnRunLoopThreadThread -> dealloc +XXX 6. init -> start -> cancel -> cancelOnRunLoopThreadThread -> startOnRunLoopThreadThread -> finish -> dealloc +XXX 7. init -> start -> cancel -> startOnRunLoopThreadThread -> cancelOnRunLoopThreadThread -> finish -> dealloc + 8. init -> start -> startOnRunLoopThreadThread -> finish -> dealloc + 9. init -> start -> startOnRunLoopThreadThread -> cancel -> cancelOnRunLoopThreadThread -> finish -> dealloc +!!! 10. init -> start -> startOnRunLoopThreadThread -> cancel -> finish -> cancelOnRunLoopThreadThread -> dealloc + 11. init -> start -> startOnRunLoopThreadThread -> finish -> cancel -> dealloc + + Markup: + XXX means that the case doesn't happen. + !!! means that the case is interesting. + + Described: + + 1. It's valid to allocate an operation and never run it. + 2. It's also valid to allocate an operation, cancel it, and yet never run it. + 3. While it's valid to cancel an operation before it starting it, this case doesn't + happen because -start always bounces to the run loop thread to maintain the invariant + that the executing to finished transition always happens on the run loop thread. + 4. In this -startOnRunLoopThread detects the cancellation and finishes immediately. + 5. Because the -cancel can happen on any thread, it's possible for the -cancel + to come in between the -start and the -startOnRunLoop thread. In this case + -startOnRunLoopThread notices isCancelled and finishes straightaway. And + -cancelOnRunLoopThread detects that the operation is finished and does nothing. + 6. This case can never happen because -performSelecton:onThread:xxx + callbacks happen in order, -start is synchronised with -cancel, and -cancel + only schedules if -start has run. + 7. This case can never happen because -startOnRunLoopThread will finish immediately + if it detects isCancelled (see case 5). + 8. This is the standard run-to-completion case. + 9. This is the standard cancellation case. -cancelOnRunLoopThread wins the race + with finish, and it detects that the operation is executing and actually cancels. + 10. In this case the -cancelOnRunLoopThread loses the race with finish, but that's OK + because -cancelOnRunLoopThread already does nothing if the operation is already + finished. + 11. Cancellating after finishing still sets isCancelled but has no impact + on the RunLoop thread code. +*/ + +@interface QRunLoopOperation () + +// read/write versions of public properties + +@property (assign, readwrite) QRunLoopOperationState state; +@property (copy, readwrite) NSError * error; + +@end + +@implementation QRunLoopOperation + +- (id)init +{ + self = [super init]; + if (self != nil) { + assert(self->_state == kQRunLoopOperationStateInited); + } + return self; +} + +- (void)dealloc +{ + assert(self->_state != kQRunLoopOperationStateExecuting); + [self->_runLoopModes release]; + [self->_runLoopThread release]; + [self->_error release]; + [super dealloc]; +} + +#pragma mark * Properties + +@synthesize runLoopThread = _runLoopThread; +@synthesize runLoopModes = _runLoopModes; + +- (NSThread *)actualRunLoopThread + // Returns the effective run loop thread, that is, the one set by the user + // or, if that's not set, the main thread. +{ + NSThread * result; + + result = self.runLoopThread; + if (result == nil) { + result = [NSThread mainThread]; + } + return result; +} + +- (BOOL)isActualRunLoopThread + // Returns YES if the current thread is the actual run loop thread. +{ + return [[NSThread currentThread] isEqual:self.actualRunLoopThread]; +} + +- (NSSet *)actualRunLoopModes +{ + NSSet * result; + + result = self.runLoopModes; + if ( (result == nil) || ([result count] == 0) ) { + result = [NSSet setWithObject:NSDefaultRunLoopMode]; + } + return result; +} + +@synthesize error = _error; + +#pragma mark * Core state transitions + +- (QRunLoopOperationState)state +{ + return self->_state; +} + +- (void)setState:(QRunLoopOperationState)newState + // Change the state of the operation, sending the appropriate KVO notifications. +{ + // any thread + + @synchronized (self) { + QRunLoopOperationState oldState; + + // The following check is really important. The state can only go forward, and there + // should be no redundant changes to the state (that is, newState must never be + // equal to self->_state). + + assert(newState > self->_state); + + // Transitions from executing to finished must be done on the run loop thread. + + assert( (newState != kQRunLoopOperationStateFinished) || self.isActualRunLoopThread ); + + // inited + executing -> isExecuting + // inited + finished -> isFinished + // executing + finished -> isExecuting + isFinished + + oldState = self->_state; + if ( (newState == kQRunLoopOperationStateExecuting) || (oldState == kQRunLoopOperationStateExecuting) ) { + [self willChangeValueForKey:@"isExecuting"]; + } + if (newState == kQRunLoopOperationStateFinished) { + [self willChangeValueForKey:@"isFinished"]; + } + self->_state = newState; + if (newState == kQRunLoopOperationStateFinished) { + [self didChangeValueForKey:@"isFinished"]; + } + if ( (newState == kQRunLoopOperationStateExecuting) || (oldState == kQRunLoopOperationStateExecuting) ) { + [self didChangeValueForKey:@"isExecuting"]; + } + } +} + +- (void)startOnRunLoopThread + // Starts the operation. The actual -start method is very simple, + // deferring all of the work to be done on the run loop thread by this + // method. +{ + assert(self.isActualRunLoopThread); + assert(self.state == kQRunLoopOperationStateExecuting); + + if ([self isCancelled]) { + + // We were cancelled before we even got running. Flip the the finished + // state immediately. + + [self finishWithError:[NSError errorWithDomain:NSCocoaErrorDomain code:NSUserCancelledError userInfo:nil]]; + } else { + [self operationDidStart]; + } +} + +- (void)cancelOnRunLoopThread + // Cancels the operation. +{ + assert(self.isActualRunLoopThread); + + // We know that a) state was kQRunLoopOperationStateExecuting when we were + // scheduled (that's enforced by -cancel), and b) the state can't go + // backwards (that's enforced by -setState), so we know the state must + // either be kQRunLoopOperationStateExecuting or kQRunLoopOperationStateFinished. + // We also know that the transition from executing to finished always + // happens on the run loop thread. Thus, we don't need to lock here. + // We can look at state and, if we're executing, trigger a cancellation. + + if (self.state == kQRunLoopOperationStateExecuting) { + [self finishWithError:[NSError errorWithDomain:NSCocoaErrorDomain code:NSUserCancelledError userInfo:nil]]; + } +} + +- (void)finishWithError:(NSError *)error +{ + assert(self.isActualRunLoopThread); + // error may be nil + + if (self.error == nil) { + self.error = error; + } + [self operationWillFinish]; + self.state = kQRunLoopOperationStateFinished; +} + +#pragma mark * Subclass override points + +- (void)operationDidStart +{ + assert(self.isActualRunLoopThread); +} + +- (void)operationWillFinish +{ + assert(self.isActualRunLoopThread); +} + +#pragma mark * Overrides + +- (BOOL)isConcurrent +{ + // any thread + return YES; +} + +- (BOOL)isExecuting +{ + // any thread + return self.state == kQRunLoopOperationStateExecuting; +} + +- (BOOL)isFinished +{ + // any thread + return self.state == kQRunLoopOperationStateFinished; +} + +- (void)start +{ + // any thread + + assert(self.state == kQRunLoopOperationStateInited); + + // We have to change the state here, otherwise isExecuting won't necessarily return + // true by the time we return from -start. Also, we don't test for cancellation + // here because that would a) result in us sending isFinished notifications on a + // thread that isn't our run loop thread, and b) confuse the core cancellation code, + // which expects to run on our run loop thread. Finally, we don't have to worry + // about races with other threads calling -start. Only one thread is allowed to + // start us at a time. + + self.state = kQRunLoopOperationStateExecuting; + [self performSelector:@selector(startOnRunLoopThread) onThread:self.actualRunLoopThread withObject:nil waitUntilDone:NO modes:[self.actualRunLoopModes allObjects]]; +} + +- (void)cancel +{ + BOOL runCancelOnRunLoopThread; + BOOL oldValue; + + // any thread + + // We need to synchronise here to avoid state changes to isCancelled and state + // while we're running. + + @synchronized (self) { + oldValue = [self isCancelled]; + + // Call our super class so that isCancelled starts returning true immediately. + + [super cancel]; + + // If we were the one to set isCancelled (that is, we won the race with regards + // other threads calling -cancel) and we're actually running (that is, we lost + // the race with other threads calling -start and the run loop thread finishing), + // we schedule to run on the run loop thread. + + runCancelOnRunLoopThread = ! oldValue && self.state == kQRunLoopOperationStateExecuting; + } + if (runCancelOnRunLoopThread) { + [self performSelector:@selector(cancelOnRunLoopThread) onThread:self.actualRunLoopThread withObject:nil waitUntilDone:YES modes:[self.actualRunLoopModes allObjects]]; + } +} + +@end diff --git a/UIImage+AFNetworking.h b/UIImage+AFNetworking.h new file mode 100644 index 0000000..994095d --- /dev/null +++ b/UIImage+AFNetworking.h @@ -0,0 +1,28 @@ +// UIImage+AFNetworking.h +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +@interface UIImage (AFNetworking) + ++ (UIImage *)imageByScalingAndCroppingImage:(UIImage *)image size:(CGSize)size; ++ (UIImage *)imageByRoundingCornersOfImage:(UIImage *)image corners:(UIRectCorner)corners cornerRadii:(CGSize)radii; + +@end diff --git a/UIImage+AFNetworking.m b/UIImage+AFNetworking.m new file mode 100644 index 0000000..377ce7d --- /dev/null +++ b/UIImage+AFNetworking.m @@ -0,0 +1,81 @@ +// UIImage+AFNetworking.m +// +// Copyright (c) 2011 Gowalla (http://gowalla.com/) +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#import "UIImage+AFNetworking.h" + +@implementation UIImage (AFNetworking) + ++ (UIImage *)imageByScalingAndCroppingImage:(UIImage *)image size:(CGSize)size { + if (image == nil) { + return nil; + } else if (CGSizeEqualToSize(image.size, size) || CGSizeEqualToSize(size, CGSizeZero)) { + return image; + } + + CGSize scaledSize = size; + CGPoint thumbnailPoint = CGPointZero; + + CGFloat widthFactor = size.width / image.size.width; + CGFloat heightFactor = size.height / image.size.height; + CGFloat scaleFactor = (widthFactor > heightFactor) ? widthFactor : heightFactor; + scaledSize.width = image.size.width * scaleFactor; + scaledSize.width = image.size.height * scaleFactor; + if (widthFactor > heightFactor) { + thumbnailPoint.y = (size.height - scaledSize.height) * 0.5; + } else if (widthFactor < heightFactor) { + thumbnailPoint.x = (size.width - scaledSize.width) * 0.5; + } + + UIGraphicsBeginImageContextWithOptions(size, NO, 0.0); + [image drawInRect:CGRectMake(thumbnailPoint.x, thumbnailPoint.y, scaledSize.width, scaledSize.height)]; + UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext(); + UIGraphicsEndImageContext(); + + return newImage; +} + ++ (UIImage *)imageByRoundingCornersOfImage:(UIImage *)image corners:(UIRectCorner)corners cornerRadii:(CGSize)radii { + if (image == nil) { + return nil; + } else if(UIGraphicsBeginImageContextWithOptions != NULL) { + UIGraphicsBeginImageContextWithOptions(image.size, NO, 0.0); + } else { + UIGraphicsBeginImageContext(image.size); + } + + CGContextRef context = UIGraphicsGetCurrentContext(); + CGContextBeginPath(context); + CGContextAddPath(context, [[UIBezierPath bezierPathWithRoundedRect:CGRectMake(0.0f, 0.0f, image.size.width, image.size.height) byRoundingCorners:corners cornerRadii:radii] CGPath]); + CGContextClosePath(context); + CGContextClip(context); + + CGRect rect = CGRectMake(0.0f, 0.0f, image.size.width, image.size.height); + [image drawInRect:rect]; + + UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext(); + UIGraphicsEndImageContext(); + + return newImage; + +} + +@end