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/* -*- mode: objc; coding: utf-8 -*- */
/* Toilet Lisp, a Common Lisp subset for the Étoilé runtime.
* Copyright (C) 2008 Matthias Andreas Benkard.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#import <Foundation/NSString.h>
/* Class: MLKCharacter
A character. */
@interface MLKCharacter : NSObject
{
unichar unichar;
}
/*** Section: Creating and Initialising Characters ***/
/* Function: -initWithUnichar:
Initialise character with a given numeric value.
*/
-(MLKCharacter *) initWithUnichar:(unichar)anUnichar;
/* Function: +characterWithUnichar:
Construct a character with a given numeric value.
*/
+(MLKCharacter *) characterWithUnichar:(unichar)anUnichar;
/*** Section: Getting the Numeric Value ***/
/* Function: -unicharValue
Access the character's numeric value.
*/
-(unichar) unicharValue;
/*** Section: Changing the Case ***/
/* Function: -uppercaseCharacter
Return the uppercase form of the character.
If the character does not have case, -uppercaseCharacter returns self.
*/
-(MLKCharacter *) uppercaseCharacter;
/* Function: -lowercaseCharacter
Return the lowercase form of the character.
If the character does not have case, -lowercaseCharacter returns self.
*/
-(MLKCharacter *) lowercaseCharacter;
/* Function: -uppercaseChar
Return the uppercase form of the character as a numeric value.
If the character does not have case, -uppercaseChar returns [self unicharValue].
*/
-(unichar) uppercaseChar;
/* Function: -lowercaseChar
Return the lowercase form of the character as a numeric value.
If the character does not have case, -lowercaseChar returns [self unicharValue].
*/
-(unichar) lowercaseChar;
/* Function: +uppercaseCharForChar:
Convert a unichar to its corresponding uppercase version.
If the character does not have case, the argument is returned unchanged.
*/
+(unichar) uppercaseCharForChar:(unichar)ch;
/* Function: +lowercaseCharForChar:
Convert a unichar to its corresponding lowercase version.
If the character does not have case, the argument is returned unchanged.
*/
+(unichar) lowercaseCharForChar:(unichar)ch;
/*** Section: Comparing Characters ***/
/* Function: -isEqual:
Test whether two <MLKCharacters> represent the same character.
*/
-(BOOL) isEqual:(id)thing;
@end
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