/************************************************************************* * * 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 ); }