88 lines
2.9 KiB
C
88 lines
2.9 KiB
C
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/*
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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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#import <Foundation/Foundation.h>
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extern NSString * SBJSONErrorDomain;
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enum {
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EUNSUPPORTED = 1,
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EPARSENUM,
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EPARSE,
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EFRAGMENT,
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ECTRL,
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EUNICODE,
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EDEPTH,
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EESCAPE,
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ETRAILCOMMA,
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ETRAILGARBAGE,
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EEOF,
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EINPUT
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};
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/**
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@brief Common base class for parsing & writing.
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This class contains the common error-handling code and option between the parser/writer.
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*/
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@interface SBJsonBase : NSObject {
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NSMutableArray *errorTrace;
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@protected
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unsigned int depth, maxDepth;
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}
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/**
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@brief The maximum recursing depth.
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Defaults to 512. If the input is nested deeper than this the input will be deemed to be
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malicious and the parser returns nil, signalling an error. ("Nested too deep".) You can
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turn off this security feature by setting the maxDepth value to 0.
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*/
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- (void)setMaxDepth:(unsigned int)theDepth;
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- (unsigned int)maxDepth;
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/**
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@brief Return an error trace, or nil if there was no errors.
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Note that this method returns the trace of the last method that failed.
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You need to check the return value of the call you're making to figure out
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if the call actually failed, before you know call this method.
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*/
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- (NSArray *)errorTrace;
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/// @internal for use in subclasses to add errors to the stack trace
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- (void)addErrorWithCode:(unsigned int)code description:(NSString*)str;
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/// @internal for use in subclasess to clear the error before a new parsing attempt
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- (void)clearErrorTrace;
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@end
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