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#import "OFNull.h"
#import "OFInvalidJSONException.h"
int _OFString_JSONValue_reference;
static id nextObject(const char **pointer, const char *stop, size_t *line,
size_t depth, size_t depthLimit);
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* reach stop.
*/
return nil;
}
static inline OFMutableArray *
parseArray(const char **pointer, const char *stop, size_t *line,
size_t depth, size_t depthLimit)
if (++depth > depthLimit)
if (--depthLimit == 0)
return nil;
while (**pointer != ']') {
id object;
skipWhitespacesAndComments(pointer, stop, line);
if (*pointer >= stop)
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if (*pointer >= stop || **pointer != ']')
return nil;
break;
}
object = nextObject(pointer, stop, line, depth, depthLimit);
object = nextObject(pointer, stop, line, depthLimit);
if (object == nil)
return nil;
[array addObject: object];
skipWhitespacesAndComments(pointer, stop, line);
if (*pointer >= stop)
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(*pointer)++;
return array;
}
static inline OFMutableDictionary *
parseDictionary(const char **pointer, const char *stop, size_t *line,
size_t depth, size_t depthLimit)
if (++depth > depthLimit)
if (--depthLimit == 0)
return nil;
while (**pointer != '}') {
id key, object;
skipWhitespacesAndComments(pointer, stop, line);
if (*pointer >= stop)
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return nil;
if ((**pointer >= 'a' && **pointer <= 'z') ||
(**pointer >= 'A' && **pointer <= 'Z') ||
**pointer == '_' || **pointer == '$' || **pointer == '\\')
key = parseIdentifier(pointer, stop);
else
key = nextObject(pointer, stop, line,
key = nextObject(pointer, stop, line, depthLimit);
depth, depthLimit);
object = nextObject(pointer, stop, line, depth, depthLimit);
object = nextObject(pointer, stop, line, depthLimit);
if (object == nil)
return nil;
[dictionary setObject: object
forKey: key];
skipWhitespacesAndComments(pointer, stop, line);
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}
return number;
}
static id
nextObject(const char **pointer, const char *stop, size_t *line,
size_t depth, size_t depthLimit)
return parseArray(pointer, stop, line, depth, depthLimit);
return parseArray(pointer, stop, line, depthLimit);
case '{':
return parseDictionary(pointer, stop, line, depth, depthLimit);
return parseDictionary(pointer, stop, line, depthLimit);
case 't':
if (*pointer + 3 >= stop)
return nil;
if (memcmp(*pointer, "true", 4) != 0)
return nil;
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{
void *pool = objc_autoreleasePoolPush();
const char *pointer = [self UTF8String];
const char *stop = pointer + [self UTF8StringLength];
id object;
size_t line = 1;
object = nextObject(&pointer, stop, &line, 0, depthLimit);
object = nextObject(&pointer, stop, &line, depthLimit);
skipWhitespacesAndComments(&pointer, stop, &line);
if (pointer < stop || object == nil)
@throw [OFInvalidJSONException exceptionWithString: self
line: line];
[object retain];
objc_autoreleasePoolPop(pool);
return [object autorelease];
}
@end
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