| /* |
| Copyright (C) 2009,2010 Stig Brautaset. All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are met: |
| |
| * Redistributions of source code must retain the above copyright notice, this |
| list of conditions and the following disclaimer. |
| |
| * Redistributions in binary form must reproduce the above copyright notice, |
| this list of conditions and the following disclaimer in the documentation |
| and/or other materials provided with the distribution. |
| |
| * Neither the name of the author nor the names of its contributors may be used |
| to endorse or promote products derived from this software without specific |
| prior written permission. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE |
| FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #import "SBJsonParser.h" |
| #import "SBJsonStreamParser.h" |
| #import "SBJsonStreamParserAdapter.h" |
| #import "SBJsonStreamParserAccumulator.h" |
| |
| @implementation SBJsonParser |
| |
| @synthesize maxDepth; |
| @synthesize error; |
| |
| - (id)init { |
| self = [super init]; |
| if (self) |
| self.maxDepth = 32u; |
| return self; |
| } |
| |
| |
| #pragma mark Methods |
| |
| - (id)objectWithData:(NSData *)data { |
| |
| if (!data) { |
| self.error = @"Input was 'nil'"; |
| return nil; |
| } |
| |
| SBJsonStreamParserAccumulator *accumulator = [[SBJsonStreamParserAccumulator alloc] init]; |
| |
| SBJsonStreamParserAdapter *adapter = [[SBJsonStreamParserAdapter alloc] init]; |
| adapter.delegate = accumulator; |
| |
| SBJsonStreamParser *parser = [[SBJsonStreamParser alloc] init]; |
| parser.maxDepth = self.maxDepth; |
| parser.delegate = adapter; |
| |
| switch ([parser parse:data]) { |
| case SBJsonStreamParserComplete: |
| return accumulator.value; |
| break; |
| |
| case SBJsonStreamParserWaitingForData: |
| self.error = @"Unexpected end of input"; |
| break; |
| |
| case SBJsonStreamParserError: |
| self.error = parser.error; |
| break; |
| } |
| |
| return nil; |
| } |
| |
| - (id)objectWithString:(NSString *)repr { |
| return [self objectWithData:[repr dataUsingEncoding:NSUTF8StringEncoding]]; |
| } |
| |
| - (id)objectWithString:(NSString*)repr error:(NSError**)error_ { |
| id tmp = [self objectWithString:repr]; |
| if (tmp) |
| return tmp; |
| |
| if (error_) { |
| NSDictionary *ui = [NSDictionary dictionaryWithObjectsAndKeys:error, NSLocalizedDescriptionKey, nil]; |
| *error_ = [NSError errorWithDomain:@"org.brautaset.SBJsonParser.ErrorDomain" code:0 userInfo:ui]; |
| } |
| |
| return nil; |
| } |
| |
| @end |