8e2dfb4b75
2005/11/07 12:11:31 sb 1.3.12.1: #i53898# Made code warning-free (additional -W switches for GCC).
279 lines
11 KiB
C
279 lines
11 KiB
C
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: textcvt.c,v $
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*
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* $Revision: 1.4 $
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*
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* last change: $Author: hr $ $Date: 2006-06-20 04:39:08 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#ifndef _RTL_TEXTCVT_H
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#include "rtl/textcvt.h"
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#endif
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#ifndef INCLUDED_RTL_TEXTENC_GETTEXTENCODINGDATA_H
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#include "gettextencodingdata.h"
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#endif
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#ifndef INCLUDED_RTL_TEXTENC_TENCHELP_H
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#include "tenchelp.h"
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#endif
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/* ======================================================================= */
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static sal_Size ImplDummyToUnicode( const sal_Char* pSrcBuf, sal_Size nSrcBytes,
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sal_Unicode* pDestBuf, sal_Size nDestChars,
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sal_uInt32 nFlags, sal_uInt32* pInfo,
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sal_Size* pSrcCvtBytes )
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{
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sal_Unicode* pEndDestBuf;
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const sal_Char* pEndSrcBuf;
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if ( ((nFlags & RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MASK) == RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR) ||
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((nFlags & RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_MASK) == RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR) )
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{
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*pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR |
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RTL_TEXTTOUNICODE_INFO_UNDEFINED |
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RTL_TEXTTOUNICODE_INFO_MBUNDEFINED;
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return 0;
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}
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*pInfo = 0;
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pEndDestBuf = pDestBuf+nDestChars;
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pEndSrcBuf = pSrcBuf+nSrcBytes;
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while ( pSrcBuf < pEndSrcBuf )
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{
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if ( pDestBuf == pEndDestBuf )
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{
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*pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR | RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOSMALL;
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break;
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}
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*pDestBuf = (sal_Unicode)(sal_uChar)*pSrcBuf;
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pDestBuf++;
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pSrcBuf++;
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}
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*pSrcCvtBytes = nSrcBytes - (pEndSrcBuf-pSrcBuf);
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return (nDestChars - (pEndDestBuf-pDestBuf));
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}
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/* ----------------------------------------------------------------------- */
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static sal_Size ImplUnicodeToDummy( const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
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sal_Char* pDestBuf, sal_Size nDestBytes,
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sal_uInt32 nFlags, sal_uInt32* pInfo,
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sal_Size* pSrcCvtChars )
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{
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sal_Char* pEndDestBuf;
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const sal_Unicode* pEndSrcBuf;
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if ( ((nFlags & RTL_UNICODETOTEXT_FLAGS_UNDEFINED_MASK) == RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR) )
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{
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*pInfo |= RTL_UNICODETOTEXT_INFO_ERROR |
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RTL_UNICODETOTEXT_INFO_UNDEFINED;
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return 0;
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}
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*pInfo = 0;
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pEndDestBuf = pDestBuf+nDestBytes;
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pEndSrcBuf = pSrcBuf+nSrcChars;
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while ( pSrcBuf < pEndSrcBuf )
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{
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if ( pDestBuf == pEndDestBuf )
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{
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*pInfo |= RTL_UNICODETOTEXT_INFO_ERROR | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
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break;
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}
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*pDestBuf = (sal_Char)(sal_uChar)(*pSrcBuf & 0x00FF);
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pDestBuf++;
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pSrcBuf++;
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}
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*pSrcCvtChars = nSrcChars - (pEndSrcBuf-pSrcBuf);
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return (nDestBytes - (pEndDestBuf-pDestBuf));
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}
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/* ======================================================================= */
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rtl_TextToUnicodeConverter SAL_CALL rtl_createTextToUnicodeConverter( rtl_TextEncoding eTextEncoding )
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{
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const ImplTextEncodingData* pData = Impl_getTextEncodingData( eTextEncoding );
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if ( pData )
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return (rtl_TextToUnicodeConverter) &pData->maConverter;
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else
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return 0;
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}
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/* ----------------------------------------------------------------------- */
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void SAL_CALL rtl_destroyTextToUnicodeConverter( rtl_TextToUnicodeConverter hContext )
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{
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(void) hContext; /* unused */
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}
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/* ----------------------------------------------------------------------- */
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rtl_TextToUnicodeContext SAL_CALL rtl_createTextToUnicodeContext( rtl_TextToUnicodeConverter hConverter )
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{
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const ImplTextConverter* pConverter = (const ImplTextConverter*)hConverter;
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if ( !pConverter )
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return 0;
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else if ( pConverter->mpCreateTextToUnicodeContext )
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return (rtl_TextToUnicodeContext)pConverter->mpCreateTextToUnicodeContext();
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else
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return (rtl_TextToUnicodeContext)1;
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}
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/* ----------------------------------------------------------------------- */
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void SAL_CALL rtl_destroyTextToUnicodeContext( rtl_TextToUnicodeConverter hConverter,
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rtl_TextToUnicodeContext hContext )
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{
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const ImplTextConverter* pConverter = (const ImplTextConverter*)hConverter;
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if ( pConverter && hContext && pConverter->mpDestroyTextToUnicodeContext )
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pConverter->mpDestroyTextToUnicodeContext( (void*)hContext );
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}
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/* ----------------------------------------------------------------------- */
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void SAL_CALL rtl_resetTextToUnicodeContext( rtl_TextToUnicodeConverter hConverter,
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rtl_TextToUnicodeContext hContext )
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{
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const ImplTextConverter* pConverter = (const ImplTextConverter*)hConverter;
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if ( pConverter && hContext && pConverter->mpResetTextToUnicodeContext )
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pConverter->mpResetTextToUnicodeContext( (void*)hContext );
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}
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/* ----------------------------------------------------------------------- */
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sal_Size SAL_CALL rtl_convertTextToUnicode( rtl_TextToUnicodeConverter hConverter,
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rtl_TextToUnicodeContext hContext,
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const sal_Char* pSrcBuf, sal_Size nSrcBytes,
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sal_Unicode* pDestBuf, sal_Size nDestChars,
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sal_uInt32 nFlags, sal_uInt32* pInfo,
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sal_Size* pSrcCvtBytes )
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{
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const ImplTextConverter* pConverter = (const ImplTextConverter*)hConverter;
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/* Only temporaer, because we don't want die, if we don't have a
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converter, because not all converters are implemented yet */
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if ( !pConverter )
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{
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return ImplDummyToUnicode( pSrcBuf, nSrcBytes,
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pDestBuf, nDestChars,
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nFlags, pInfo, pSrcCvtBytes );
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}
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return pConverter->mpConvertTextToUnicodeProc( pConverter->mpConvertData,
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(void*)hContext,
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pSrcBuf, nSrcBytes,
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pDestBuf, nDestChars,
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nFlags, pInfo,
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pSrcCvtBytes );
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}
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/* ======================================================================= */
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rtl_UnicodeToTextConverter SAL_CALL rtl_createUnicodeToTextConverter( rtl_TextEncoding eTextEncoding )
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{
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const ImplTextEncodingData* pData = Impl_getTextEncodingData( eTextEncoding );
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if ( pData )
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return (rtl_TextToUnicodeConverter) &pData->maConverter;
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else
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return 0;
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}
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/* ----------------------------------------------------------------------- */
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void SAL_CALL rtl_destroyUnicodeToTextConverter( rtl_UnicodeToTextConverter hConverter )
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{
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(void) hConverter; /* unused */
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}
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/* ----------------------------------------------------------------------- */
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rtl_UnicodeToTextContext SAL_CALL rtl_createUnicodeToTextContext( rtl_UnicodeToTextConverter hConverter )
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{
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const ImplTextConverter* pConverter = (const ImplTextConverter*)hConverter;
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if ( !pConverter )
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return 0;
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else if ( pConverter->mpCreateUnicodeToTextContext )
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return (rtl_UnicodeToTextContext)pConverter->mpCreateUnicodeToTextContext();
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else
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return (rtl_UnicodeToTextContext)1;
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}
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/* ----------------------------------------------------------------------- */
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void SAL_CALL rtl_destroyUnicodeToTextContext( rtl_UnicodeToTextConverter hConverter,
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rtl_UnicodeToTextContext hContext )
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{
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const ImplTextConverter* pConverter = (const ImplTextConverter*)hConverter;
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if ( pConverter && hContext && pConverter->mpDestroyUnicodeToTextContext )
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pConverter->mpDestroyUnicodeToTextContext( (void*)hContext );
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}
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/* ----------------------------------------------------------------------- */
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void SAL_CALL rtl_resetUnicodeToTextContext( rtl_UnicodeToTextConverter hConverter,
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rtl_UnicodeToTextContext hContext )
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{
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const ImplTextConverter* pConverter = (const ImplTextConverter*)hConverter;
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if ( pConverter && hContext && pConverter->mpResetUnicodeToTextContext )
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pConverter->mpResetUnicodeToTextContext( (void*)hContext );
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}
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/* ----------------------------------------------------------------------- */
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sal_Size SAL_CALL rtl_convertUnicodeToText( rtl_UnicodeToTextConverter hConverter,
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rtl_UnicodeToTextContext hContext,
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const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
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sal_Char* pDestBuf, sal_Size nDestBytes,
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sal_uInt32 nFlags, sal_uInt32* pInfo,
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sal_Size* pSrcCvtChars )
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{
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const ImplTextConverter* pConverter = (const ImplTextConverter*)hConverter;
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/* Only temporaer, because we don't want die, if we don't have a
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converter, because not all converters are implemented yet */
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if ( !pConverter )
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{
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return ImplUnicodeToDummy( pSrcBuf, nSrcChars,
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pDestBuf, nDestBytes,
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nFlags, pInfo, pSrcCvtChars );
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}
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return pConverter->mpConvertUnicodeToTextProc( pConverter->mpConvertData,
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(void*)hContext,
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pSrcBuf, nSrcChars,
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pDestBuf, nDestBytes,
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nFlags, pInfo,
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pSrcCvtChars );
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}
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