JSONKit.h 9.2 KB
//
//  JSONKit.h

#include <stddef.h>
#include <stdint.h>
#include <limits.h>
#include <TargetConditionals.h>
#include <AvailabilityMacros.h>

#ifdef    __OBJC__
#import <Foundation/NSArray.h>
#import <Foundation/NSData.h>
#import <Foundation/NSDictionary.h>
#import <Foundation/NSError.h>
#import <Foundation/NSObjCRuntime.h>
#import <Foundation/NSString.h>
#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