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98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
/* utfconv.c
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* Copyright (C) 2006 SIL International
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*
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* This file is part of the KMFL library.
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*
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* The KMFL library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* The KMFL library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with the KMFL library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*
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*/
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#include <iconv.h>
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#include "utfconv.h"
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#define UTF8MODE "UTF8"
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#define UTF16MODE "UTF16LE"
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#define UTF32MODE "UTF32LE"
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size_t UTFConvert (
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char * sourceCode, char * targetCode,
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const void ** sourceStart, const void * sourceEnd,
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void ** targetStart, void * targetEnd)
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{
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size_t result = 0;
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char * source = *(char**)sourceStart;
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char * target = *(char**)targetStart;
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size_t inbytesleft = sourceEnd - *sourceStart;
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size_t outbytesleft = targetEnd - *targetStart;
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iconv_t ic;
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ic=iconv_open(targetCode, sourceCode);
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while (inbytesleft > 0 && result != (size_t) -1) {
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result=iconv(ic, &source, &inbytesleft, &target, &outbytesleft);
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}
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*sourceStart = source;
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*targetStart = target;
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iconv_close(ic);
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return result;
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}
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size_t IConvertUTF8toUTF16 (
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const UTF8** sourceStart, const UTF8* sourceEnd,
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UTF16** targetStart, UTF16* targetEnd)
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{
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return UTFConvert(UTF8MODE, UTF16MODE, (const void**)sourceStart, (const void *)sourceEnd, (void**)targetStart, (void *)targetEnd);
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}
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size_t IConvertUTF16toUTF8 (
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const UTF16** sourceStart, const UTF16* sourceEnd,
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UTF8** targetStart, UTF8* targetEnd)
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{
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return UTFConvert(UTF16MODE, UTF8MODE, (const void**)sourceStart, (const void *)sourceEnd, (void**)targetStart, (void *)targetEnd);
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}
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size_t IConvertUTF8toUTF32 (
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const UTF8** sourceStart, const UTF8* sourceEnd,
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UTF32** targetStart, UTF32* targetEnd)
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{
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return UTFConvert(UTF8MODE, UTF32MODE, (const void**)sourceStart, (const void *)sourceEnd, (void**)targetStart, (void *)targetEnd);
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}
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size_t IConvertUTF32toUTF8 (
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const UTF32** sourceStart, const UTF32* sourceEnd,
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UTF8** targetStart, UTF8* targetEnd)
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{
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return UTFConvert(UTF32MODE, UTF8MODE, (const void**)sourceStart, (const void *)sourceEnd, (void**)targetStart, (void *)targetEnd);
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}
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size_t IConvertUTF16toUTF32 (
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const UTF16** sourceStart, const UTF16* sourceEnd,
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UTF32** targetStart, UTF32* targetEnd)
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{
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return UTFConvert(UTF16MODE, UTF32MODE, (const void**)sourceStart, (const void *)sourceEnd, (void**)targetStart, (void *)targetEnd);
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}
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size_t IConvertUTF32toUTF16 (
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const UTF32** sourceStart, const UTF32* sourceEnd,
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UTF16** targetStart, UTF16* targetEnd)
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{
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return UTFConvert(UTF32MODE, UTF16MODE, (const void**)sourceStart, (const void *)sourceEnd, (void**)targetStart, (void *)targetEnd);
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}
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