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Cleaned up codepage handling, by Yoshihisa Uchida. (FS#9349)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19339 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Björn Stenberg 2008-12-04 22:00:12 +00:00
parent 38e97057a9
commit af078b4f86
5 changed files with 119 additions and 49 deletions
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46
firmware/include/rbunicode.h
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@ -1,16 +1,56 @@
/* Some conversion functions for handling UTF-8
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* copyright Marcoen Hirschberg (2004,2005)
* Copyright (c) 2004,2005 by Marcoen Hirschberg
*
* 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 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
/* Some conversion functions for handling UTF-8
*
* I got all the info from:
* http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
* and
* http://en.wikipedia.org/wiki/Unicode
*/
#ifndef _RBUNICODE_H_
#define _RBUNICODE_H_
#ifndef __PCTOOL__
#include "config.h"
#endif
#define MASK 0xC0 /* 11000000 */
#define COMP 0x80 /* 10x */
#ifdef HAVE_LCD_BITMAP
enum codepages {
ISO_8859_1 = 0, ISO_8859_7, ISO_8859_8, WIN_1251,
ISO_8859_11, WIN_1256, ISO_8859_9, ISO_8859_2, WIN_1250,
SJIS, GB_2312, KSX_1001, BIG_5, UTF_8, NUM_CODEPAGES
};
#else /* !HAVE_LCD_BITMAP, reduced support */
enum codepages {
ISO_8859_1 = 0, ISO_8859_7, WIN_1251, ISO_8859_9,
ISO_8859_2, WIN_1250, UTF_8, NUM_CODEPAGES
};
#endif
/* Encode a UCS value as UTF-8 and return a pointer after this UTF-8 char. */
unsigned char* utf8encode(unsigned long ucs, unsigned char *utf8);
@ -21,3 +61,5 @@ unsigned long utf8length(const unsigned char *utf8);
const unsigned char* utf8decode(const unsigned char *utf8, unsigned short *ucs);
void set_codepage(int cp);
int utf8seek(const unsigned char* utf8, int offset);
const char* get_codepage_name(int cp);
#endif /* _RBUNICODE_H_ */