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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: textcvt.c,v $
*
* $Revision: 1.4 $
*
* last change: $Author: hr $ $Date: 2006-06-20 04:39:08 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* 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
* Lesser 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef _RTL_TEXTCVT_H
#include "rtl/textcvt.h"
#endif
#ifndef INCLUDED_RTL_TEXTENC_GETTEXTENCODINGDATA_H
#include "gettextencodingdata.h"
#endif
#ifndef INCLUDED_RTL_TEXTENC_TENCHELP_H
#include "tenchelp.h"
#endif
/* ======================================================================= */
static sal_Size ImplDummyToUnicode( const sal_Char* pSrcBuf, sal_Size nSrcBytes,
sal_Unicode* pDestBuf, sal_Size nDestChars,
sal_uInt32 nFlags, sal_uInt32* pInfo,
sal_Size* pSrcCvtBytes )
{
sal_Unicode* pEndDestBuf;
const sal_Char* pEndSrcBuf;
if ( ((nFlags & RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MASK) == RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR) ||
((nFlags & RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_MASK) == RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR) )
{
*pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR |
RTL_TEXTTOUNICODE_INFO_UNDEFINED |
RTL_TEXTTOUNICODE_INFO_MBUNDEFINED;
return 0;
}
*pInfo = 0;
pEndDestBuf = pDestBuf+nDestChars;
pEndSrcBuf = pSrcBuf+nSrcBytes;
while ( pSrcBuf < pEndSrcBuf )
{
if ( pDestBuf == pEndDestBuf )
{
*pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR | RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOSMALL;
break;
}
*pDestBuf = (sal_Unicode)(sal_uChar)*pSrcBuf;
pDestBuf++;
pSrcBuf++;
}
*pSrcCvtBytes = nSrcBytes - (pEndSrcBuf-pSrcBuf);
return (nDestChars - (pEndDestBuf-pDestBuf));
}
/* ----------------------------------------------------------------------- */
static sal_Size ImplUnicodeToDummy( const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
sal_Char* pDestBuf, sal_Size nDestBytes,
sal_uInt32 nFlags, sal_uInt32* pInfo,
sal_Size* pSrcCvtChars )
{
sal_Char* pEndDestBuf;
const sal_Unicode* pEndSrcBuf;
if ( ((nFlags & RTL_UNICODETOTEXT_FLAGS_UNDEFINED_MASK) == RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR) )
{
*pInfo |= RTL_UNICODETOTEXT_INFO_ERROR |
RTL_UNICODETOTEXT_INFO_UNDEFINED;
return 0;
}
*pInfo = 0;
pEndDestBuf = pDestBuf+nDestBytes;
pEndSrcBuf = pSrcBuf+nSrcChars;
while ( pSrcBuf < pEndSrcBuf )
{
if ( pDestBuf == pEndDestBuf )
{
*pInfo |= RTL_UNICODETOTEXT_INFO_ERROR | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
break;
}
*pDestBuf = (sal_Char)(sal_uChar)(*pSrcBuf & 0x00FF);
pDestBuf++;
pSrcBuf++;
}
*pSrcCvtChars = nSrcChars - (pEndSrcBuf-pSrcBuf);
return (nDestBytes - (pEndDestBuf-pDestBuf));
}
/* ======================================================================= */
rtl_TextToUnicodeConverter SAL_CALL rtl_createTextToUnicodeConverter( rtl_TextEncoding eTextEncoding )
{
const ImplTextEncodingData* pData = Impl_getTextEncodingData( eTextEncoding );
if ( pData )
return (rtl_TextToUnicodeConverter) &pData->maConverter;
else
return 0;
}
/* ----------------------------------------------------------------------- */
void SAL_CALL rtl_destroyTextToUnicodeConverter( rtl_TextToUnicodeConverter hContext )
{
(void) hContext; /* unused */
}
/* ----------------------------------------------------------------------- */
rtl_TextToUnicodeContext SAL_CALL rtl_createTextToUnicodeContext( rtl_TextToUnicodeConverter hConverter )
{
const ImplTextConverter* pConverter = (const ImplTextConverter*)hConverter;
if ( !pConverter )
return 0;
else if ( pConverter->mpCreateTextToUnicodeContext )
return (rtl_TextToUnicodeContext)pConverter->mpCreateTextToUnicodeContext();
else
return (rtl_TextToUnicodeContext)1;
}
/* ----------------------------------------------------------------------- */
void SAL_CALL rtl_destroyTextToUnicodeContext( rtl_TextToUnicodeConverter hConverter,
rtl_TextToUnicodeContext hContext )
{
const ImplTextConverter* pConverter = (const ImplTextConverter*)hConverter;
if ( pConverter && hContext && pConverter->mpDestroyTextToUnicodeContext )
pConverter->mpDestroyTextToUnicodeContext( (void*)hContext );
}
/* ----------------------------------------------------------------------- */
void SAL_CALL rtl_resetTextToUnicodeContext( rtl_TextToUnicodeConverter hConverter,
rtl_TextToUnicodeContext hContext )
{
const ImplTextConverter* pConverter = (const ImplTextConverter*)hConverter;
if ( pConverter && hContext && pConverter->mpResetTextToUnicodeContext )
pConverter->mpResetTextToUnicodeContext( (void*)hContext );
}
/* ----------------------------------------------------------------------- */
sal_Size SAL_CALL rtl_convertTextToUnicode( rtl_TextToUnicodeConverter hConverter,
rtl_TextToUnicodeContext hContext,
const sal_Char* pSrcBuf, sal_Size nSrcBytes,
sal_Unicode* pDestBuf, sal_Size nDestChars,
sal_uInt32 nFlags, sal_uInt32* pInfo,
sal_Size* pSrcCvtBytes )
{
const ImplTextConverter* pConverter = (const ImplTextConverter*)hConverter;
/* Only temporaer, because we don't want die, if we don't have a
converter, because not all converters are implemented yet */
if ( !pConverter )
{
return ImplDummyToUnicode( pSrcBuf, nSrcBytes,
pDestBuf, nDestChars,
nFlags, pInfo, pSrcCvtBytes );
}
return pConverter->mpConvertTextToUnicodeProc( pConverter->mpConvertData,
(void*)hContext,
pSrcBuf, nSrcBytes,
pDestBuf, nDestChars,
nFlags, pInfo,
pSrcCvtBytes );
}
/* ======================================================================= */
rtl_UnicodeToTextConverter SAL_CALL rtl_createUnicodeToTextConverter( rtl_TextEncoding eTextEncoding )
{
const ImplTextEncodingData* pData = Impl_getTextEncodingData( eTextEncoding );
if ( pData )
return (rtl_TextToUnicodeConverter) &pData->maConverter;
else
return 0;
}
/* ----------------------------------------------------------------------- */
void SAL_CALL rtl_destroyUnicodeToTextConverter( rtl_UnicodeToTextConverter hConverter )
{
(void) hConverter; /* unused */
}
/* ----------------------------------------------------------------------- */
rtl_UnicodeToTextContext SAL_CALL rtl_createUnicodeToTextContext( rtl_UnicodeToTextConverter hConverter )
{
const ImplTextConverter* pConverter = (const ImplTextConverter*)hConverter;
if ( !pConverter )
return 0;
else if ( pConverter->mpCreateUnicodeToTextContext )
return (rtl_UnicodeToTextContext)pConverter->mpCreateUnicodeToTextContext();
else
return (rtl_UnicodeToTextContext)1;
}
/* ----------------------------------------------------------------------- */
void SAL_CALL rtl_destroyUnicodeToTextContext( rtl_UnicodeToTextConverter hConverter,
rtl_UnicodeToTextContext hContext )
{
const ImplTextConverter* pConverter = (const ImplTextConverter*)hConverter;
if ( pConverter && hContext && pConverter->mpDestroyUnicodeToTextContext )
pConverter->mpDestroyUnicodeToTextContext( (void*)hContext );
}
/* ----------------------------------------------------------------------- */
void SAL_CALL rtl_resetUnicodeToTextContext( rtl_UnicodeToTextConverter hConverter,
rtl_UnicodeToTextContext hContext )
{
const ImplTextConverter* pConverter = (const ImplTextConverter*)hConverter;
if ( pConverter && hContext && pConverter->mpResetUnicodeToTextContext )
pConverter->mpResetUnicodeToTextContext( (void*)hContext );
}
/* ----------------------------------------------------------------------- */
sal_Size SAL_CALL rtl_convertUnicodeToText( rtl_UnicodeToTextConverter hConverter,
rtl_UnicodeToTextContext hContext,
const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
sal_Char* pDestBuf, sal_Size nDestBytes,
sal_uInt32 nFlags, sal_uInt32* pInfo,
sal_Size* pSrcCvtChars )
{
const ImplTextConverter* pConverter = (const ImplTextConverter*)hConverter;
/* Only temporaer, because we don't want die, if we don't have a
converter, because not all converters are implemented yet */
if ( !pConverter )
{
return ImplUnicodeToDummy( pSrcBuf, nSrcChars,
pDestBuf, nDestBytes,
nFlags, pInfo, pSrcCvtChars );
}
return pConverter->mpConvertUnicodeToTextProc( pConverter->mpConvertData,
(void*)hContext,
pSrcBuf, nSrcChars,
pDestBuf, nDestBytes,
nFlags, pInfo,
pSrcCvtChars );
}
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