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//
// RegexKitLite.h
// http://regexkit.sourceforge.net/
// Licensed under the terms of the BSD License, as specified below.
//

/*
Copyright (c) 2008-2009, John Engelhart
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 Zang Industries 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.
*/

#ifdef __OBJC__
#import <Foundation/NSArray.h>
#import <Foundation/NSError.h>
#import <Foundation/NSObjCRuntime.h>
#import <Foundation/NSRange.h>
#import <Foundation/NSString.h>
#endif // __OBJC__

#include <limits.h>
#include <stdint.h>
#include <sys/types.h>
#include <TargetConditionals.h>
#include <AvailabilityMacros.h>

#ifdef __cplusplus
extern "C" {
#endif
#ifndef REGEXKITLITE_VERSION_DEFINED
#define REGEXKITLITE_VERSION_DEFINED

#define _RKL__STRINGIFY(b) #b
#define _RKL_STRINGIFY(a) _RKL__STRINGIFY(a)
#define _RKL_JOIN_VERSION(a,b) _RKL_STRINGIFY(a##.##b)
#define _RKL_VERSION_STRING(a,b) _RKL_JOIN_VERSION(a,b)

#define REGEXKITLITE_VERSION_MAJOR 3
#define REGEXKITLITE_VERSION_MINOR 0

#define REGEXKITLITE_VERSION_CSTRING _RKL_VERSION_STRING(REGEXKITLITE_VERSION_MAJOR, REGEXKITLITE_VERSION_MINOR)
#define REGEXKITLITE_VERSION_NSSTRING @REGEXKITLITE_VERSION_CSTRING

#endif // REGEXKITLITE_VERSION_DEFINED

// For Mac OS X < 10.5.
#ifndef NSINTEGER_DEFINED
#define NSINTEGER_DEFINED
#if defined(__LP64__) || defined(NS_BUILD_32_LIKE_64)
typedef long NSInteger;
typedef unsigned long NSUInteger;
#define NSIntegerMin LONG_MIN
#define NSIntegerMax LONG_MAX
#define NSUIntegerMax ULONG_MAX
#else // defined(__LP64__) || defined(NS_BUILD_32_LIKE_64)
typedef int NSInteger;
typedef unsigned int NSUInteger;
#define NSIntegerMin INT_MIN
#define NSIntegerMax INT_MAX
#define NSUIntegerMax UINT_MAX
#endif // defined(__LP64__) || defined(NS_BUILD_32_LIKE_64)
#endif // NSINTEGER_DEFINED

#ifndef RKLREGEXOPTIONS_DEFINED
#define RKLREGEXOPTIONS_DEFINED

// These must be idential to their ICU regex counterparts. See http://www.icu-project.org/userguide/regexp.html
enum {
  RKLNoOptions = 0,
  RKLCaseless = 2,
  RKLComments = 4,
  RKLDotAll = 32,
  RKLMultiline = 8,
  RKLUnicodeWordBoundaries = 256
};
typedef uint32_t RKLRegexOptions; // This must be identical to the ICU 'flags' argument type.

#endif // RKLREGEXOPTIONS_DEFINED

#ifndef _REGEXKITLITE_H_
#define _REGEXKITLITE_H_

#if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__APPLE_CC__) && (__APPLE_CC__ >= 5465)
#define RKL_DEPRECATED_ATTRIBUTE __attribute__((deprecated))
#else
#define RKL_DEPRECATED_ATTRIBUTE
#endif
  
// This requires a few levels of rewriting to get the desired results.
#define _RKL_CONCAT_2(c,d) c ## d
#define _RKL_CONCAT(a,b) _RKL_CONCAT_2(a,b)
#ifdef RKL_PREPEND_TO_METHODS
#define RKL_METHOD_PREPEND(x) _RKL_CONCAT(RKL_PREPEND_TO_METHODS, x)
#else // RKL_PREPEND_TO_METHODS
#define RKL_METHOD_PREPEND(x) x
#endif // RKL_PREPEND_TO_METHODS
  
// If it looks like low memory notifications might be available, add code to register and respond to them.
// This is (should be) harmless if it turns out that this isn't the case, since the notification that we register for,
// UIApplicationDidReceiveMemoryWarningNotification, is dynamically looked up via dlsym().
#if ((defined(TARGET_OS_EMBEDDED) && (TARGET_OS_EMBEDDED != 0)) || (defined(TARGET_OS_IPHONE) && (TARGET_OS_IPHONE != 0))) && (!defined(RKL_REGISTER_FOR_IPHONE_LOWMEM_NOTIFICATIONS) || (RKL_REGISTER_FOR_IPHONE_LOWMEM_NOTIFICATIONS != 0))
#define RKL_REGISTER_FOR_IPHONE_LOWMEM_NOTIFICATIONS 1
#endif

#ifdef __OBJC__

// NSException exception name.
extern NSString * const RKLICURegexException;

// NSError error domains and user info keys.
extern NSString * const RKLICURegexErrorDomain;

extern NSString * const RKLICURegexErrorCodeErrorKey;
extern NSString * const RKLICURegexErrorNameErrorKey;
extern NSString * const RKLICURegexLineErrorKey;
extern NSString * const RKLICURegexOffsetErrorKey;
extern NSString * const RKLICURegexPreContextErrorKey;
extern NSString * const RKLICURegexPostContextErrorKey;
extern NSString * const RKLICURegexRegexErrorKey;
extern NSString * const RKLICURegexRegexOptionsErrorKey;

@interface NSString (RegexKitLiteAdditions)

+ (void)RKL_METHOD_PREPEND(clearStringCache);

// Although these are marked as deprecated, a bug in GCC prevents a warning from being issues for + class methods. Filed bug with Apple, #6736857.
+ (NSInteger)RKL_METHOD_PREPEND(captureCountForRegex):(NSString *)regex RKL_DEPRECATED_ATTRIBUTE;
+ (NSInteger)RKL_METHOD_PREPEND(captureCountForRegex):(NSString *)regex options:(RKLRegexOptions)options error:(NSError **)error RKL_DEPRECATED_ATTRIBUTE;

- (NSArray *)RKL_METHOD_PREPEND(componentsSeparatedByRegex):(NSString *)regex;
- (NSArray *)RKL_METHOD_PREPEND(componentsSeparatedByRegex):(NSString *)regex range:(NSRange)range;
- (NSArray *)RKL_METHOD_PREPEND(componentsSeparatedByRegex):(NSString *)regex options:(RKLRegexOptions)options range:(NSRange)range error:(NSError **)error;

- (BOOL)RKL_METHOD_PREPEND(isMatchedByRegex):(NSString *)regex;
- (BOOL)RKL_METHOD_PREPEND(isMatchedByRegex):(NSString *)regex inRange:(NSRange)range;
- (BOOL)RKL_METHOD_PREPEND(isMatchedByRegex):(NSString *)regex options:(RKLRegexOptions)options inRange:(NSRange)range error:(NSError **)error;

- (NSRange)RKL_METHOD_PREPEND(rangeOfRegex):(NSString *)regex;
- (NSRange)RKL_METHOD_PREPEND(rangeOfRegex):(NSString *)regex capture:(NSInteger)capture;
- (NSRange)RKL_METHOD_PREPEND(rangeOfRegex):(NSString *)regex inRange:(NSRange)range;
- (NSRange)RKL_METHOD_PREPEND(rangeOfRegex):(NSString *)regex options:(RKLRegexOptions)options inRange:(NSRange)range capture:(NSInteger)capture error:(NSError **)error;

- (NSString *)RKL_METHOD_PREPEND(stringByMatching):(NSString *)regex;
- (NSString *)RKL_METHOD_PREPEND(stringByMatching):(NSString *)regex capture:(NSInteger)capture;
- (NSString *)RKL_METHOD_PREPEND(stringByMatching):(NSString *)regex inRange:(NSRange)range;
- (NSString *)RKL_METHOD_PREPEND(stringByMatching):(NSString *)regex options:(RKLRegexOptions)options inRange:(NSRange)range capture:(NSInteger)capture error:(NSError **)error;

- (NSString *)RKL_METHOD_PREPEND(stringByReplacingOccurrencesOfRegex):(NSString *)regex withString:(NSString *)replacement;
- (NSString *)RKL_METHOD_PREPEND(stringByReplacingOccurrencesOfRegex):(NSString *)regex withString:(NSString *)replacement range:(NSRange)searchRange;
- (NSString *)RKL_METHOD_PREPEND(stringByReplacingOccurrencesOfRegex):(NSString *)regex withString:(NSString *)replacement options:(RKLRegexOptions)options range:(NSRange)searchRange error:(NSError **)error;

  ////

- (NSInteger)RKL_METHOD_PREPEND(captureCount);
- (NSInteger)RKL_METHOD_PREPEND(captureCountWithOptions):(RKLRegexOptions)options error:(NSError **)error;

- (BOOL)RKL_METHOD_PREPEND(isRegexValid);
- (BOOL)RKL_METHOD_PREPEND(isRegexValidWithOptions):(RKLRegexOptions)options error:(NSError **)error;

- (void)RKL_METHOD_PREPEND(flushCachedRegexData);

- (NSArray *)RKL_METHOD_PREPEND(componentsMatchedByRegex):(NSString *)regex;
- (NSArray *)RKL_METHOD_PREPEND(componentsMatchedByRegex):(NSString *)regex capture:(NSInteger)capture;
- (NSArray *)RKL_METHOD_PREPEND(componentsMatchedByRegex):(NSString *)regex range:(NSRange)range;
- (NSArray *)RKL_METHOD_PREPEND(componentsMatchedByRegex):(NSString *)regex options:(RKLRegexOptions)options range:(NSRange)range capture:(NSInteger)capture error:(NSError **)error;


- (NSArray *)RKL_METHOD_PREPEND(captureComponentsMatchedByRegex):(NSString *)regex;
- (NSArray *)RKL_METHOD_PREPEND(captureComponentsMatchedByRegex):(NSString *)regex range:(NSRange)range;
- (NSArray *)RKL_METHOD_PREPEND(captureComponentsMatchedByRegex):(NSString *)regex options:(RKLRegexOptions)options range:(NSRange)range error:(NSError **)error;

- (NSArray *)RKL_METHOD_PREPEND(arrayOfCaptureComponentsMatchedByRegex):(NSString *)regex;
- (NSArray *)RKL_METHOD_PREPEND(arrayOfCaptureComponentsMatchedByRegex):(NSString *)regex range:(NSRange)range;
- (NSArray *)RKL_METHOD_PREPEND(arrayOfCaptureComponentsMatchedByRegex):(NSString *)regex options:(RKLRegexOptions)options range:(NSRange)range error:(NSError **)error;

@end

@interface NSMutableString (RegexKitLiteAdditions)

- (NSUInteger)RKL_METHOD_PREPEND(replaceOccurrencesOfRegex):(NSString *)regex withString:(NSString *)replacement;
- (NSUInteger)RKL_METHOD_PREPEND(replaceOccurrencesOfRegex):(NSString *)regex withString:(NSString *)replacement range:(NSRange)searchRange;
- (NSUInteger)RKL_METHOD_PREPEND(replaceOccurrencesOfRegex):(NSString *)regex withString:(NSString *)replacement options:(RKLRegexOptions)options range:(NSRange)searchRange error:(NSError **)error;

@end

#endif // __OBJC__

#endif // _REGEXKITLITE_H_

#ifdef __cplusplus
} // extern "C"
#endif
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