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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#include "sal/config.h"
#include "rtl/textcvt.h"
#include "gettextencodingdata.hxx"
#include "tenchelp.hxx"
/* ======================================================================= */
static sal_Size ImplDummyToUnicode( const char* pSrcBuf, sal_Size nSrcBytes,
sal_Unicode* pDestBuf, sal_Size nDestChars,
sal_uInt32 nFlags, sal_uInt32* pInfo,
sal_Size* pSrcCvtBytes )
{
sal_Unicode* pEndDestBuf;
const 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)(unsigned char)*pSrcBuf;
pDestBuf++;
pSrcBuf++;
}
*pSrcCvtBytes = nSrcBytes - (pEndSrcBuf-pSrcBuf);
return (nDestChars - (pEndDestBuf-pDestBuf));
}
/* ----------------------------------------------------------------------- */
static sal_Size ImplUnicodeToDummy( const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
char* pDestBuf, sal_Size nDestBytes,
sal_uInt32 nFlags, sal_uInt32* pInfo,
sal_Size* pSrcCvtChars )
{
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 = (char)(unsigned char)(*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 static_cast<rtl_TextToUnicodeConverter>(const_cast<ImplTextConverter *>(&pData->maConverter));
return nullptr;
}
/* ----------------------------------------------------------------------- */
void SAL_CALL rtl_destroyTextToUnicodeConverter(
SAL_UNUSED_PARAMETER rtl_TextToUnicodeConverter )
{}
/* ----------------------------------------------------------------------- */
rtl_TextToUnicodeContext SAL_CALL rtl_createTextToUnicodeContext( rtl_TextToUnicodeConverter hConverter )
{
const ImplTextConverter* pConverter = static_cast<const ImplTextConverter*>(hConverter);
if ( !pConverter )
return nullptr;
if ( pConverter->mpCreateTextToUnicodeContext )
return pConverter->mpCreateTextToUnicodeContext();
return reinterpret_cast<rtl_TextToUnicodeContext>(1);
}
/* ----------------------------------------------------------------------- */
void SAL_CALL rtl_destroyTextToUnicodeContext( rtl_TextToUnicodeConverter hConverter,
rtl_TextToUnicodeContext hContext )
{
const ImplTextConverter* pConverter = static_cast<const ImplTextConverter*>(hConverter);
if ( pConverter && hContext && pConverter->mpDestroyTextToUnicodeContext )
pConverter->mpDestroyTextToUnicodeContext( hContext );
}
/* ----------------------------------------------------------------------- */
void SAL_CALL rtl_resetTextToUnicodeContext( rtl_TextToUnicodeConverter hConverter,
rtl_TextToUnicodeContext hContext )
{
const ImplTextConverter* pConverter = static_cast<const ImplTextConverter*>(hConverter);
if ( pConverter && hContext && pConverter->mpResetTextToUnicodeContext )
pConverter->mpResetTextToUnicodeContext( hContext );
}
/* ----------------------------------------------------------------------- */
sal_Size SAL_CALL rtl_convertTextToUnicode( rtl_TextToUnicodeConverter hConverter,
rtl_TextToUnicodeContext hContext,
const char* pSrcBuf, sal_Size nSrcBytes,
sal_Unicode* pDestBuf, sal_Size nDestChars,
sal_uInt32 nFlags, sal_uInt32* pInfo,
sal_Size* pSrcCvtBytes )
{
const ImplTextConverter* pConverter = static_cast<const ImplTextConverter*>(hConverter);
/* Only temporary, 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,
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 static_cast<rtl_TextToUnicodeConverter>(const_cast<ImplTextConverter *>(&pData->maConverter));
return nullptr;
}
/* ----------------------------------------------------------------------- */
void SAL_CALL rtl_destroyUnicodeToTextConverter(
SAL_UNUSED_PARAMETER rtl_UnicodeToTextConverter )
{}
/* ----------------------------------------------------------------------- */
rtl_UnicodeToTextContext SAL_CALL rtl_createUnicodeToTextContext( rtl_UnicodeToTextConverter hConverter )
{
const ImplTextConverter* pConverter = static_cast<const ImplTextConverter*>(hConverter);
if ( !pConverter )
return nullptr;
if ( pConverter->mpCreateUnicodeToTextContext )
return pConverter->mpCreateUnicodeToTextContext();
return reinterpret_cast<rtl_UnicodeToTextContext>(1);
}
/* ----------------------------------------------------------------------- */
void SAL_CALL rtl_destroyUnicodeToTextContext( rtl_UnicodeToTextConverter hConverter,
rtl_UnicodeToTextContext hContext )
{
const ImplTextConverter* pConverter = static_cast<const ImplTextConverter*>(hConverter);
if ( pConverter && hContext && pConverter->mpDestroyUnicodeToTextContext )
pConverter->mpDestroyUnicodeToTextContext( hContext );
}
/* ----------------------------------------------------------------------- */
void SAL_CALL rtl_resetUnicodeToTextContext( rtl_UnicodeToTextConverter hConverter,
rtl_UnicodeToTextContext hContext )
{
const ImplTextConverter* pConverter = static_cast<const ImplTextConverter*>(hConverter);
if ( pConverter && hContext && pConverter->mpResetUnicodeToTextContext )
pConverter->mpResetUnicodeToTextContext( hContext );
}
/* ----------------------------------------------------------------------- */
sal_Size SAL_CALL rtl_convertUnicodeToText( rtl_UnicodeToTextConverter hConverter,
rtl_UnicodeToTextContext hContext,
const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
char* pDestBuf, sal_Size nDestBytes,
sal_uInt32 nFlags, sal_uInt32* pInfo,
sal_Size* pSrcCvtChars )
{
const ImplTextConverter* pConverter = static_cast<const ImplTextConverter*>(hConverter);
/* Only temporary, 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,
hContext,
pSrcBuf, nSrcChars,
pDestBuf, nDestBytes,
nFlags, pInfo,
pSrcCvtChars );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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