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/* Interface for NSCharacterSet for GNUStep
Copyright (C) 1995 Free Software Foundation, Inc.
Written by: Adam Fedor <fedor@boulder.colorado.edu>
Date: 1995
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 Lesser 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 Lesser 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.
*/
#ifndef __NSCharacterSet_h_GNUSTEP_BASE_INCLUDE
#define __NSCharacterSet_h_GNUSTEP_BASE_INCLUDE
#import <GNUstepBase/GSVersionMacros.h>
#import <Foundation/NSRange.h>
#import <Foundation/NSString.h>
#if defined(__cplusplus)
extern "C" {
#endif
@class NSData;
/**
* Represents a set of unicode characters. Used by [NSScanner] and [NSString]
* for parsing-related methods.
*/
@interface NSCharacterSet : NSObject <NSCoding, NSCopying, NSMutableCopying>
/**
* Returns a character set containing letters, numbers, and diacritical
* marks. Note that "letters" includes all alphabetic as well as Chinese
* characters, etc..
*/
+ (id) alphanumericCharacterSet;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
/**
* Returns a character set containing letters in the unicode
* Titlecase category.
*/
+ (id) capitalizedLetterCharacterSet;
#endif
/**
* Returns a character set containing control and format characters.
*/
+ (id) controlCharacterSet;
/**
* Returns a character set containing characters that represent
* the decimal digits 0 through 9.
*/
+ (id) decimalDigitCharacterSet;
/**
* Returns a character set containing individual characters that
* can be represented also by a composed character sequence.
*/
+ (id) decomposableCharacterSet;
/**
* Returns a character set containing unassigned and explicitly illegal
* character values.
*/
+ (id) illegalCharacterSet;
/**
* Returns a character set containing letters, including all alphabetic as
* well as Chinese characters, etc..
*/
+ (id) letterCharacterSet;
/**
* Returns a character set that contains the lowercase characters.
* This set does not include caseless characters, only those that
* have corresponding characters in uppercase and/or titlecase.
*/
+ (id) lowercaseLetterCharacterSet;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
/**
* Returns a character set containing the newline characters, values
* 0x000A and 0x000D and nextline 0x0085 character.
*/
+ (id) newlineCharacterSet;
#endif
/**
* Returns a character set containing characters for diacritical marks, which
* are usually only rendered in conjunction with another character.
*/
+ (id) nonBaseCharacterSet;
/**
* Returns a character set containing punctuation marks.
*/
+ (id) punctuationCharacterSet;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
/**
* Returns a character set containing mathematical symbols, etc..
*/
+ (id) symbolCharacterSet;
#endif
/**
* Returns a character set that contains the uppercase characters.
* This set does not include caseless characters, only those that
* have corresponding characters in lowercase and/or titlecase.
*/
+ (id) uppercaseLetterCharacterSet;
/**
* Returns a character set that contains the whitespace characters,
* plus the newline characters, values 0x000A and 0x000D and nextline
* 0x0085 character.
*/
+ (id) whitespaceAndNewlineCharacterSet;
/**
* Returns a character set that contains the whitespace characters.
*/
+ (id) whitespaceCharacterSet;
/**
* Returns a character set containing characters as encoded in the
* data object (8192 bytes)
*/
+ (id) characterSetWithBitmapRepresentation: (NSData*)data;
/**
* Returns set with characters in aString, or empty set for empty string.
* Raises an exception if given a nil string.
*/
+ (id) characterSetWithCharactersInString: (NSString*)aString;
/**
* Returns set containing unicode index range given by aRange.
*/
+ (id) characterSetWithRange: (NSRange)aRange;
#if OS_API_VERSION(GS_API_OPENSTEP, GS_API_MACOSX)
/**
* Initializes from a bitmap (8192 bytes representing 65536 values).<br />
* Each bit set in the bitmap represents the fact that a character at
* that position in the unicode base plane exists in the characterset.<br />
* File must have extension "<code>.bitmap</code>".
* To get around this load the file into data yourself and use
* [NSCharacterSet -characterSetWithBitmapRepresentation].
*/
+ (id) characterSetWithContentsOfFile: (NSString*)aFile;
#endif
/**
* Returns a bitmap representation of the receiver's character set
* (suitable for archiving or writing to a file), in an NSData object.<br />
*/
- (NSData*) bitmapRepresentation;
/**
* Returns YES if the receiver contains <em>aCharacter</em>, NO if
* it does not.
*/
- (BOOL) characterIsMember: (unichar)aCharacter;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
/**
* Returns YES if the receiver contains at least one character in the
* specified unicode plane.
*/
- (BOOL) hasMemberInPlane: (uint8_t)aPlane;
#endif
/**
* Returns a character set containing only characters that the
* receiver does not contain.
*/
- (NSCharacterSet*) invertedSet;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
/**
* Returns YES is all the characters in aSet are present in the receiver.
*/
- (BOOL) isSupersetOfSet: (NSCharacterSet*)aSet;
/**
* Returns YES is the specified 32-bit character is present in the receiver.
*/
- (BOOL) longCharacterIsMember: (UTF32Char)aCharacter;
#endif
@end
/**
* An [NSCharacterSet] that can be modified.
*/
@interface NSMutableCharacterSet : NSCharacterSet
/**
* Adds characters specified by unicode indices in aRange to set.
*/
- (void) addCharactersInRange: (NSRange)aRange;
/**
* Adds characters in aString to set.
*/
- (void) addCharactersInString: (NSString*)aString;
/**
* Set intersection of character sets.
*/
- (void) formIntersectionWithCharacterSet: (NSCharacterSet*)otherSet;
/**
* Set union of character sets.
*/
- (void) formUnionWithCharacterSet: (NSCharacterSet*)otherSet;
/**
* Drop given range of characters. No error for characters not currently in
* set.
*/
- (void) removeCharactersInRange: (NSRange)aRange;
/**
* Drop characters in aString. No error for characters not currently in
* set.
*/
- (void) removeCharactersInString: (NSString*)aString;
/**
* Remove all characters currently in set and add all other characters.
*/
- (void) invert;
@end
#if defined(__cplusplus)
}
#endif
#endif /* __NSCharacterSet_h_GNUSTEP_BASE_INCLUDE*/
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