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* Initial commit (version 0.2.1)Starla Insigna2011-07-301-0/+892
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//
//  CDataScanner.h
//  TouchCode
//
//  Created by Jonathan Wight on 04/16/08.
//  Copyright 2008 toxicsoftware.com. All rights reserved.
//
//  Permission is hereby granted, free of charge, to any person
//  obtaining a copy of this software and associated documentation
//  files (the "Software"), to deal in the Software without
//  restriction, including without limitation the rights to use,
//  copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the
//  Software is furnished to do so, subject to the following
//  conditions:
//
//  The above copyright notice and this permission notice shall be
//  included in all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
//  OTHER DEALINGS IN THE SOFTWARE.
//

#import <Foundation/Foundation.h>

// NSScanner

@interface CDataScanner : NSObject {
	NSData *data;

	u_int8_t *start;
	u_int8_t *end;
	u_int8_t *current;
	NSUInteger length;
}

@property (readwrite, nonatomic, retain) NSData *data;
@property (readwrite, nonatomic, assign) NSUInteger scanLocation;
@property (readonly, nonatomic, assign) NSUInteger bytesRemaining;
@property (readonly, nonatomic, assign) BOOL isAtEnd;

- (id)initWithData:(NSData *)inData;

- (unichar)currentCharacter;
- (unichar)scanCharacter;
- (BOOL)scanCharacter:(unichar)inCharacter;

- (BOOL)scanUTF8String:(const char *)inString intoString:(NSString **)outValue;
- (BOOL)scanString:(NSString *)inString intoString:(NSString **)outValue;
- (BOOL)scanCharactersFromSet:(NSCharacterSet *)inSet intoString:(NSString **)outValue; // inSet must only contain 7-bit ASCII characters

- (BOOL)scanUpToString:(NSString *)string intoString:(NSString **)outValue;
- (BOOL)scanUpToCharactersFromSet:(NSCharacterSet *)set intoString:(NSString **)outValue; // inSet must only contain 7-bit ASCII characters

- (BOOL)scanNumber:(NSNumber **)outValue;
- (BOOL)scanDecimalNumber:(NSDecimalNumber **)outValue;

- (BOOL)scanDataOfLength:(NSUInteger)inLength intoData:(NSData **)outData;

- (void)skipWhitespace;

- (NSString *)remainingString;
- (NSData *)remainingData;

@end