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102 lines
3.2 KiB
Objective-C
Executable file
102 lines
3.2 KiB
Objective-C
Executable file
/*
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Copyright (C) 2009 Stig Brautaset. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its contributors may be used
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to endorse or promote products derived from this software without specific
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prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#if !__has_feature(objc_arc)
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#error "This source file must be compiled with ARC enabled!"
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#endif
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#import "SBJson4Writer.h"
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#import "SBJson4StreamWriter.h"
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@interface SBJson4Writer () < SBJson4StreamWriterDelegate >
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@property (nonatomic, copy) NSString *error;
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@property (nonatomic, strong) NSMutableData *acc;
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@end
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@implementation SBJson4Writer
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- (id)init {
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self = [super init];
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if (self) {
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self.maxDepth = 32u;
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}
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return self;
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}
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- (NSString*)stringWithObject:(id)value {
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NSData *data = [self dataWithObject:value];
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if (data)
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return [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
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return nil;
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}
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- (NSData*)dataWithObject:(id)object {
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self.error = nil;
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self.acc = [[NSMutableData alloc] initWithCapacity:8096u];
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SBJson4StreamWriter *streamWriter = [[SBJson4StreamWriter alloc] init];
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streamWriter.sortKeys = self.sortKeys;
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streamWriter.maxDepth = self.maxDepth;
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streamWriter.sortKeysComparator = self.sortKeysComparator;
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streamWriter.humanReadable = self.humanReadable;
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streamWriter.delegate = self;
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BOOL ok = NO;
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if ([object isKindOfClass:[NSDictionary class]])
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ok = [streamWriter writeObject:object];
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else if ([object isKindOfClass:[NSArray class]])
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ok = [streamWriter writeArray:object];
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else if ([object respondsToSelector:@selector(proxyForJson)])
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return [self dataWithObject:[object proxyForJson]];
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else {
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self.error = @"Not valid type for JSON";
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return nil;
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}
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if (ok)
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return self.acc;
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self.error = streamWriter.error;
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return nil;
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}
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#pragma mark SBJson4StreamWriterDelegate
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- (void)writer:(SBJson4StreamWriter *)writer appendBytes:(const void *)bytes length:(NSUInteger)length {
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[self.acc appendBytes:bytes length:length];
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}
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@end
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