/** Declaration of extension methods and functions for standard classes

   Copyright (C) 2003 Free Software Foundation, Inc.

   Written by:  Richard Frith-Macdonald <rfm@gnu.org>
   and:         Adam Fedor <fedor@gnu.org>

   This file is part of the GNUstep Base Library.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02111 USA.

   AutogsdocSource: Additions/GSCategories.m

*/

#ifndef	INCLUDED_GS_CATEGORIES_H
#define	INCLUDED_GS_CATEGORIES_H

/* The following ifndef prevents the categories declared in this file being
 * seen in GNUstep code.  This is necessary because those category
 * declarations are also present in the header files for the corresponding
 * classes in GNUstep.  The separate category declarations in this file
 * are only needed for software using the GNUstep Additions library
 * without the main GNUstep base library.
 */
#ifndef GNUSTEP

#include <string.h>
#include <Foundation/Foundation.h>

#ifdef NeXT_Foundation_LIBRARY
#include <CoreFoundation/CFString.h>
#endif

#include "GNUstepBase/preface.h"
#include "GNUstepBase/GSObjCRuntime.h"
#include "GNUstepBase/GNUstep.h"

@class NSMutableSet;


/* ------------------------------------------------------------------------
 * Macros
 */

// Following are also defined in base/Headers/Foundation/NSObject.h
#define IF_NO_GC(x)	\
    x

// Following are also defined in base/Headers/Foundation/NSDebug.h
#ifdef DEBUG
#define NSDebugLLog(level, format, args...) \
    do { if (GSDebugSet(level) == YES) \
        NSLog(format , ## args); } while (0)

#define NSDebugLog(format, args...) \
    do { if (GSDebugSet(@"dflt") == YES) \
        NSLog(format , ## args); } while (0)

#define NSDebugFLLog(level, format, args...) \
    do { if (GSDebugSet(level) == YES) { \
        NSString *fmt = GSDebugFunctionMsg( \
        __PRETTY_FUNCTION__, __FILE__, __LINE__, format); \
        NSLog(fmt , ## args); }} while (0)

#define NSDebugFLog(format, args...) \
    do { if (GSDebugSet(@"dflt") == YES) { \
        NSString *fmt = GSDebugFunctionMsg( \
        __PRETTY_FUNCTION__, __FILE__, __LINE__, format); \
        NSLog(fmt , ## args); }} while (0)

#define NSDebugMLLog(level, format, args...) \
    do { if (GSDebugSet(level) == YES) { \
        NSString *fmt = GSDebugMethodMsg( \
        self, _cmd, __FILE__, __LINE__, format); \
        NSLog(fmt , ## args); }} while (0)

#define NSDebugMLog(format, args...) \
    do { if (GSDebugSet(@"dflt") == YES) { \
        NSString *fmt = GSDebugMethodMsg( \
        self, _cmd, __FILE__, __LINE__, format); \
        NSLog(fmt , ## args); }} while (0)

#else
#define NSDebugLLog(level, format, args...)
#define NSDebugLog(format, args...)
#define NSDebugFLLog(level, format, args...)
#define NSDebugFLog(format, args...)
#define NSDebugMLLog(level, format, args...)
#define NSDebugMLog(format, args...)
#endif /* DEBUG */

#ifdef GSWARN
#define NSWarnLog(format, args...) \
    do { if (GSDebugSet(@"NoWarn") == NO) { \
        NSLog(format , ## args); }} while (0)

#define NSWarnFLog(format, args...) \
    do { if (GSDebugSet(@"NoWarn") == NO) { \
        NSString *fmt = GSDebugFunctionMsg( \
        __PRETTY_FUNCTION__, __FILE__, __LINE__, format); \
        NSLog(fmt , ## args); }} while (0)

#define NSWarnMLog(format, args...) \
    do { if (GSDebugSet(@"NoWarn") == NO) { \
        NSString *fmt = GSDebugMethodMsg( \
        self, _cmd, __FILE__, __LINE__, format); \
        NSLog(fmt , ## args); }} while (0)
#else
#define NSWarnLog(format, args...)
#define NSWarnFLog(format, args...)
#define NSWarnMLog(format, args...)
#endif /* GSWARN */

#define GS_RANGE_CHECK(RANGE, SIZE) \
  if (RANGE.location > SIZE || RANGE.length > (SIZE - RANGE.location)) \
    [NSException raise: NSRangeException \
                format: @"in %s, range { %u, %u } extends beyond size (%u)", \
                  GSNameFromSelector(_cmd), RANGE.location, RANGE.length, SIZE]

/* Taken from base/Headers/Foundation/NSString.h */
typedef enum _NSGNUstepStringEncoding
{
/* NB. Must not have an encoding with value zero - so we can use zero to
   tell that a variable that should contain an encoding has not yet been
   initialised */
  GSUndefinedEncoding = 0,

// GNUstep additions
  NSKOI8RStringEncoding = 50,		// Russian/Cyrillic
  NSISOLatin3StringEncoding = 51,	// ISO-8859-3; South European
  NSISOLatin4StringEncoding = 52,	// ISO-8859-4; North European
  NSISOCyrillicStringEncoding = 22,	// ISO-8859-5
  NSISOArabicStringEncoding = 53,	// ISO-8859-6
  NSISOGreekStringEncoding = 54,	// ISO-8859-7
  NSISOHebrewStringEncoding = 55,	// ISO-8859-8
  NSISOLatin5StringEncoding = 57,	// ISO-8859-9; Turkish
  NSISOLatin6StringEncoding = 58,	// ISO-8859-10; Nordic
  NSISOThaiStringEncoding = 59,		// ISO-8859-11
/* Possible future ISO-8859 additions
					// ISO-8859-12
*/
  NSISOLatin7StringEncoding = 61,	// ISO-8859-13
  NSISOLatin8StringEncoding = 62,	// ISO-8859-14
  NSISOLatin9StringEncoding = 63,	// ISO-8859-15; Replaces ISOLatin1
  NSGB2312StringEncoding = 56,
  NSUTF7StringEncoding = 64,		// RFC 2152
  NSGSM0338StringEncoding,		// GSM (mobile phone) default alphabet
  NSBIG5StringEncoding,			// Traditional chinese
  NSKoreanEUCStringEncoding
} NSGNUstepStringEncoding;


/* Taken from base/Headers/Foundation/NSLock.h */
#define GS_INITIALIZED_LOCK(IDENT,CLASSNAME) \
           (IDENT != nil ? IDENT : [CLASSNAME newLockAt: &IDENT])

/* ------------------------------------------------------------------------
 * Class/Method Extensions
 */

/* 
   GSCategory extensions are implemented in 
   Source/Additions/GSCategory.m
   for both gnustep-base and gnustep-baseadd.
*/

@interface NSCalendarDate (GSCategories)
- (int) weekOfYear;
@end

@interface NSData (GSCategories)
- (NSString*) hexadecimalRepresentation;
- (id) initWithHexadecimalRepresentation: (NSString*)string;
- (NSData*) md5Digest;
- (BOOL) uudecodeInto: (NSMutableData*)decoded
		 name: (NSString**)namePtr
		 mode: (int*)modePtr;
- (BOOL) uuencodeInto: (NSMutableData*)encoded
		 name: (NSString*)name
		 mode: (int)mode;
@end

@interface NSString (GSCategories)
+ (id) stringWithFormat: (NSString*)format
	      arguments: (va_list)argList;
- (NSString*) stringByDeletingPrefix: (NSString*)prefix;
- (NSString*) stringByDeletingSuffix: (NSString*)suffix;
- (NSString*) stringByTrimmingLeadSpaces;
- (NSString*) stringByTrimmingTailSpaces;
- (NSString*) stringByTrimmingSpaces;
- (NSString*) stringByReplacingString: (NSString*)replace
                           withString: (NSString*)by;
@end

@interface NSMutableString (GSCategories)
- (void) deleteSuffix: (NSString*)suffix;
- (void) deletePrefix: (NSString*)prefix;
- (void) replaceString: (NSString*)replace
            withString: (NSString*)by;
- (void) trimLeadSpaces;
- (void) trimTailSpaces;
- (void) trimSpaces;
@end

@interface NSNumber(GSCategories)
+ (NSValue*) valueFromString: (NSString *)string;
@end

@interface NSObject (GSCategories)
- notImplemented:(SEL)aSel;
- (id) subclassResponsibility: (SEL)aSel;
- (id) shouldNotImplement: (SEL)aSel;
/*
  WARNING: The -compare: method for NSObject is deprecated
           due to subclasses declaring the same selector with 
	   conflicting signatures.
           Comparision of arbitrary objects is not just meaningless
           but also dangerous as most concrete implementations
           expect comparable objects as arguments often accessing
	   instance variables directly.
	   This method will be removed in a future release.
*/
- (NSComparisonResult) compare: (id)anObject;
@end

/* 
   GSCompatibility methods are implemented in
   Source/Additions/GSCompatibility.m
   for gnustep-baseadd only.
   The implementations for gnustep-base reside in the
   corresponding source files of -base.
*/

@interface NSArray (GSCompatibility)
- (id) initWithArray: (NSArray*)array copyItems: (BOOL)shouldCopy;
- (unsigned) insertionPosition: (id)item
		 usingFunction: (NSComparisonResult (*)(id, id, void *))sorter
		       context: (void *)context;
- (unsigned) insertionPosition: (id)item
		 usingSelector: (SEL)comp;
@end

@interface      NSAttributedString (GSCategories)
- (NSAttributedString*) attributedSubstringWithRange: (NSRange)aRange;
@end

@interface NSBundle(GSCompatibility)
+ (NSString *) pathForLibraryResource: (NSString *)name
                               ofType: (NSString *)ext
                          inDirectory: (NSString *)bundlePath;
@end

@interface NSDistantObject (GSCompatibility)
+ (void) setDebug: (int)val;
@end

@interface NSFileHandle(GSCompatibility)
+ (id) fileHandleAsServerAtAddress: (NSString*)address
                           service: (NSString*)service
                          protocol: (NSString*)protocol;
- (NSString*) socketAddress;
@end

// Used only in EOFault.m, -[EOFault forward::], for Object compatibility
@interface NSInvocation(GSCompatibility)
- (retval_t) returnFrame:(arglist_t)args;
- (id) initWithArgframe:(arglist_t)args selector:(SEL)selector;
@end

@interface NSObject (GSCompatibility)
+ (id) notImplemented:(SEL)selector;
- (BOOL) isInstance;
@end

@interface NSString (GSCompatibility)
- (BOOL) boolValue;
- (NSString*) substringFromRange:(NSRange)range;
@end

@interface NSProcessInfo(GSCompatibility)
- (NSMutableSet *) debugSet;
@end

@interface NSLock (GSCategories)
+ (id) newLockAt: (id *)location;
@end

@interface NSLock (GSCompatibility)
- (void) gcFinalize;
@end

@interface NSRecursiveLock (GSCategories)
+ (id)newLockAt:(id *)location;
@end

@interface NSRecursiveLock (GSCompatibility)
- (void) gcFinalize;
@end


/* ------------------------------------------------------------------------
 * Functions
 */

/* 
   Similar to the GSCompatibility methods,
   these functions are implemented in
   Source/Additions/GSCompatibility.m
   for gnustep-baseadd only.
   The implementations for gnustep-base reside in the
   corresponding source files of -base.
*/
GS_EXPORT NSArray *NSStandardLibraryPaths(void);
GS_EXPORT void NSDecimalFromComponents(NSDecimal *result, 
				       unsigned long long mantissa,
				       short exponent, BOOL negative);

GS_EXPORT BOOL GSDebugSet(NSString *level);

GS_EXPORT NSString *GetEncodingName(NSStringEncoding availableEncodingValue);
GS_EXPORT NSString *GSEncodingName(NSStringEncoding availableEncodingValue);

GS_EXPORT NSThread *GSCurrentThread(void);
GS_EXPORT NSMutableDictionary *GSCurrentThreadDictionary(void);

GS_EXPORT NSString *GSDebugMethodMsg(id obj, SEL sel, const char *file, 
				     int line, NSString *fmt);
GS_EXPORT NSString *GSDebugFunctionMsg(const char *func, const char *file,
				       int line, NSString *fmt);

#endif	/* GNUSTEP */

#endif	/* INCLUDED_GS_CATEGORIES_H */


