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/***************************************************************************
* *
* _____ ____ *
* | __ \ / __ \ _ _ _____ *
* | | \ \ / / \_\ | | | | _ \ *
* | | \ \| | | | | | |_| | *
* | | | || | | | | | ___/ *
* | | / /| | __ | | | | _ \ *
* | |__/ / \ \__/ / | |___| | |_| | *
* |_____/ \____/ |_____|_|_____/ *
* *
* Wiimms source code library *
* *
***************************************************************************
* *
* Copyright (c) 2012-2020 by Dirk Clemens <wiimm@wiimm.de> *
* *
***************************************************************************
* *
* 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 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. *
* *
* See file gpl-2.0.txt or http://www.gnu.org/licenses/gpl-2.0.txt *
* *
***************************************************************************/
#ifndef DCLIB_UTF8_H
#define DCLIB_UTF8_H 1
#ifndef WIN_DCLIB
#include "dclib-types.h"
///////////////////////////////////////////////////////////////////////////////
///// this software is taken from dcLib2 and now publiced under GPL2. /////
///////////////////////////////////////////////////////////////////////////////
typedef enum dcUnicodeConsts
{
DCLIB_UNICODE_MAX_UTF8_1 = 0x7f,
DCLIB_UNICODE_MAX_UTF8_2 = 0x7ff,
DCLIB_UNICODE_MAX_UTF8_3 = 0xffff,
DCLIB_UNICODE_MAX_UTF8_4 = 0x1fffff,
DCLIB_UNICODE_CODE_MASK = 0x1fffff,
} dcUnicodeConsts;
///////////////////////////////////////////////////////////////////////////////
typedef enum dcUTF8Mode
{
DC_UTF8_ILLEGAL = 0x0000, // Illegale UTF8 Zeichen-Kombination
DC_UTF8_1CHAR = 0x0001, // Das Zeichen ist ein Einzelzeichen
DC_UTF8_2CHAR = 0x0002, // Beginn einer 2-Zeichen Sequenz
DC_UTF8_CONT_22 = 0x0004, // ein Fortsetzungszeichen an Pos 2 einer 2-er Sequenz
DC_UTF8_3CHAR = 0x0008, // Beginn einer 3-Zeichen Sequenz
DC_UTF8_CONT_23 = 0x0010, // ein Fortsetzungszeichen an Pos 2 einer 3-er Sequenz
DC_UTF8_CONT_33 = 0x0020, // ein Fortsetzungszeichen an Pos 3 einer 3-er Sequenz
DC_UTF8_4CHAR = 0x0040, // Beginn einer 4-Zeichen Sequenz
DC_UTF8_CONT_24 = 0x0080, // ein Fortsetzungszeichen an Pos 2 einer 4-er Sequenz
DC_UTF8_CONT_34 = 0x0100, // ein Fortsetzungszeichen an Pos 3 einer 4-er Sequenz
DC_UTF8_CONT_44 = 0x0200, // ein Fortsetzungszeichen an Pos 4 einer 4-er Sequenz
DC_UTF8_CONT_ANY = 0x0400, // ein Fortsetzungszeichen an beliebger Stelle
DC_UTF8_1CHAR_POSSIBLE = 0x0800, // als Einzelzeichen darstellbar
DC_UTF8_2CHAR_POSSIBLE = 0x1000, // als 2-er Sequenz darstellbar
DC_UTF8_3CHAR_POSSIBLE = 0x2000, // als 3-er Sequenz darstellbar
DC_UTF8_4CHAR_POSSIBLE = 0x4000, // als 4-er Sequenz darstellbar
} dcUTF8Mode;
///////////////////////////////////////////////////////////////////////////////
extern const unsigned short TableUTF8Mode[0x100];
static inline dcUTF8Mode CheckUTF8Mode ( unsigned char ch )
{ return (dcUTF8Mode)TableUTF8Mode[ch]; }
int GetUTF8CharLength ( u32 code );
char * NextUTF8Char ( ccp str );
char * NextUTF8CharE ( ccp str, ccp end );
char * PrevUTF8Char ( ccp str );
char * PrevUTF8CharB ( ccp str, ccp begin );
u32 GetUTF8Char ( ccp str );
u32 ScanUTF8Char ( ccp * str );
u32 ScanUTF8CharE ( ccp * str, ccp end );
u32 ScanUTF8CharInc ( ccp * str );
u32 ScanUTF8CharIncE ( ccp * str, ccp end );
u32 GetUTF8AnsiChar ( ccp str );
u32 ScanUTF8AnsiChar ( ccp * str );
u32 ScanUTF8AnsiCharE ( ccp * str, ccp end );
int ScanUTF8Length ( ccp str, ccp end );
int CalcUTF8PrintFW ( ccp str, ccp end, uint wanted_fw );
char * PrintUTF8Char ( char * buf, u32 code );
char * PrintUTF8CharToCircBuf ( u32 code );
///////////////////////////////////////////////////////////////////////////////
typedef struct dcUnicodeTripel
{
u32 code1;
u32 code2;
u32 code3;
} dcUnicodeTripel;
extern const dcUnicodeTripel TableUnicodeDecomp[];
const dcUnicodeTripel * DecomposeUnicode ( u32 code );
//
///////////////////////////////////////////////////////////////////////////////
/////////////// END ///////////////
///////////////////////////////////////////////////////////////////////////////
#endif // WIN_DCLIB
#endif // DCLIB_UTF8_H
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