| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #include "rtl/textcvt.h" |
| #include "gettextencodingdata.h" |
| #include "tenchelp.h" |
| |
| /* ======================================================================= */ |
| |
| 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 ); |
| } |