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101 lines
3.1 KiB
Objective-C
101 lines
3.1 KiB
Objective-C
/*
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Copyright (C) 2009,2010 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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#import "SBJsonParser.h"
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#import "SBJsonStreamParser.h"
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#import "SBJsonStreamParserAdapter.h"
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#import "SBJsonStreamParserAccumulator.h"
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@implementation SBJsonParser
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@synthesize maxDepth;
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@synthesize error;
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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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return self;
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}
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#pragma mark Methods
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- (id)objectWithData:(NSData *)data {
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if (!data) {
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self.error = @"Input was 'nil'";
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return nil;
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}
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SBJsonStreamParserAccumulator *accumulator = [[SBJsonStreamParserAccumulator alloc] init];
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SBJsonStreamParserAdapter *adapter = [[SBJsonStreamParserAdapter alloc] init];
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adapter.delegate = accumulator;
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SBJsonStreamParser *parser = [[SBJsonStreamParser alloc] init];
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parser.maxDepth = self.maxDepth;
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parser.delegate = adapter;
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switch ([parser parse:data]) {
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case SBJsonStreamParserComplete:
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return accumulator.value;
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break;
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case SBJsonStreamParserWaitingForData:
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self.error = @"Unexpected end of input";
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break;
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case SBJsonStreamParserError:
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self.error = parser.error;
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break;
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}
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return nil;
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}
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- (id)objectWithString:(NSString *)repr {
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return [self objectWithData:[repr dataUsingEncoding:NSUTF8StringEncoding]];
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}
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- (id)objectWithString:(NSString*)repr error:(NSError**)error_ {
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id tmp = [self objectWithString:repr];
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if (tmp)
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return tmp;
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if (error_) {
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NSDictionary *ui = [NSDictionary dictionaryWithObjectsAndKeys:error, NSLocalizedDescriptionKey, nil];
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*error_ = [NSError errorWithDomain:@"org.brautaset.SBJsonParser.ErrorDomain" code:0 userInfo:ui];
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}
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return nil;
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}
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@end
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