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Adding shortcircuit for _AFNETWORKING_PREFER_NSJSONSERIALIZATION_

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This commit is contained in:
Mattt Thompson 2012-01-18 17:23:45 -08:00
parent 54194a3cb6
commit aaa5858546
1 changed files with 41 additions and 24 deletions
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53
AFNetworking/AFJSONUtilities.h
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@ -32,6 +32,12 @@ static NSData * AFJSONEncode(id object, NSError **error) {
id _NSJSONSerializationClass = NSClassFromString(@"NSJSONSerialization");
SEL _NSJSONSerializationSelector = NSSelectorFromString(@"dataWithJSONObject:options:error:");
#ifdef _AFNETWORKING_PREFER_NSJSONSERIALIZATION_
if (_NSJSONSerializationClass && [_NSJSONSerializationClass respondsToSelector:_NSJSONSerializationSelector]) {
goto _af_nsjson_encode;
}
#endif
if (_JSONKitSelector && [object respondsToSelector:_JSONKitSelector]) {
NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:[object methodSignatureForSelector:_JSONKitSelector]];
invocation.target = object;
@ -69,17 +75,19 @@ static NSData * AFJSONEncode(id object, NSError **error) {
*error = [[[NSError alloc] initWithDomain:NSStringFromClass([exception class]) code:0 userInfo:[exception userInfo]] autorelease];
}
} else if (_NSJSONSerializationClass && [_NSJSONSerializationClass respondsToSelector:_NSJSONSerializationSelector]) {
NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:[_NSJSONSerializationClass methodSignatureForSelector:_NSJSONSerializationSelector]];
invocation.target = _NSJSONSerializationClass;
invocation.selector = _NSJSONSerializationSelector;
_af_nsjson_encode: {
NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:[_NSJSONSerializationClass methodSignatureForSelector:_NSJSONSerializationSelector]];
invocation.target = _NSJSONSerializationClass;
invocation.selector = _NSJSONSerializationSelector;
[invocation setArgument:&object atIndex:2]; // arguments 0 and 1 are self and _cmd respectively, automatically set by NSInvocation
NSUInteger writeOptions = 0;
[invocation setArgument:&writeOptions atIndex:3];
[invocation setArgument:error atIndex:4];
[invocation setArgument:&object atIndex:2]; // arguments 0 and 1 are self and _cmd respectively, automatically set by NSInvocation
NSUInteger writeOptions = 0;
[invocation setArgument:&writeOptions atIndex:3];
[invocation setArgument:error atIndex:4];
[invocation invoke];
[invocation getReturnValue:&data];
[invocation invoke];
[invocation getReturnValue:&data];
}
} else {
NSDictionary *userInfo = [NSDictionary dictionaryWithObject:NSLocalizedString(@"Please either target a platform that supports NSJSONSerialization or add one of the following libraries to your project: JSONKit, SBJSON, or YAJL", nil) forKey:NSLocalizedRecoverySuggestionErrorKey];
[[NSException exceptionWithName:NSInternalInconsistencyException reason:NSLocalizedString(@"No JSON generation functionality available", nil) userInfo:userInfo] raise];
@ -98,6 +106,13 @@ static id AFJSONDecode(NSData *data, NSError **error) {
id _NSJSONSerializationClass = NSClassFromString(@"NSJSONSerialization");
SEL _NSJSONSerializationSelector = NSSelectorFromString(@"JSONObjectWithData:options:error:");
#ifdef _AFNETWORKING_PREFER_NSJSONSERIALIZATION_
if (_NSJSONSerializationClass && [_NSJSONSerializationClass respondsToSelector:_NSJSONSerializationSelector]) {
goto _af_nsjson_decode;
}
#endif
if (_JSONKitSelector && [data respondsToSelector:_JSONKitSelector]) {
NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:[data methodSignatureForSelector:_JSONKitSelector]];
invocation.target = data;
@ -130,17 +145,19 @@ static id AFJSONDecode(NSData *data, NSError **error) {
[invocation invoke];
[invocation getReturnValue:&JSON];
} else if (_NSJSONSerializationClass && [_NSJSONSerializationClass respondsToSelector:_NSJSONSerializationSelector]) {
NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:[_NSJSONSerializationClass methodSignatureForSelector:_NSJSONSerializationSelector]];
invocation.target = _NSJSONSerializationClass;
invocation.selector = _NSJSONSerializationSelector;
_af_nsjson_decode: {
NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:[_NSJSONSerializationClass methodSignatureForSelector:_NSJSONSerializationSelector]];
invocation.target = _NSJSONSerializationClass;
invocation.selector = _NSJSONSerializationSelector;
[invocation setArgument:&data atIndex:2]; // arguments 0 and 1 are self and _cmd respectively, automatically set by NSInvocation
NSUInteger readOptions = 0;
[invocation setArgument:&readOptions atIndex:3];
[invocation setArgument:error atIndex:4];
[invocation setArgument:&data atIndex:2]; // arguments 0 and 1 are self and _cmd respectively, automatically set by NSInvocation
NSUInteger readOptions = 0;
[invocation setArgument:&readOptions atIndex:3];
[invocation setArgument:error atIndex:4];
[invocation invoke];
[invocation getReturnValue:&JSON];
[invocation invoke];
[invocation getReturnValue:&JSON];
}
} else {
NSDictionary *userInfo = [NSDictionary dictionaryWithObject:NSLocalizedString(@"Please either target a platform that supports NSJSONSerialization or add one of the following libraries to your project: JSONKit, SBJSON, or YAJL", nil) forKey:NSLocalizedRecoverySuggestionErrorKey];
[[NSException exceptionWithName:NSInternalInconsistencyException reason:NSLocalizedString(@"No JSON parsing functionality available", nil) userInfo:userInfo] raise];