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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 "handleundefinedunicodetotextchar.hxx"
#include "tcvtbyte.hxx"
#include "tenchelp.hxx"
sal_Size ImplSymbolToUnicode( SAL_UNUSED_PARAMETER const void*,
SAL_UNUSED_PARAMETER void*,
const char* pSrcBuf, sal_Size nSrcBytes,
sal_Unicode* pDestBuf, sal_Size nDestChars,
SAL_UNUSED_PARAMETER sal_uInt32,
sal_uInt32* pInfo, sal_Size* pSrcCvtBytes )
{
sal_Unicode* pEndDestBuf;
const char* pEndSrcBuf;
*pInfo = 0;
pEndDestBuf = pDestBuf+nDestChars;
pEndSrcBuf = pSrcBuf+nSrcBytes;
while ( pSrcBuf < pEndSrcBuf )
{
if ( pDestBuf == pEndDestBuf )
{
*pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR | RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL;
break;
}
/* 0-31 (all Control-Character get the same Unicode value) */
unsigned char c = (unsigned char)*pSrcBuf;
if ( c <= 0x1F )
*pDestBuf = (sal_Unicode)c;
else
*pDestBuf = ((sal_Unicode)c)+0xF000;
pDestBuf++;
pSrcBuf++;
}
*pSrcCvtBytes = nSrcBytes - (pEndSrcBuf-pSrcBuf);
return (nDestChars - (pEndDestBuf-pDestBuf));
}
sal_Size ImplUnicodeToSymbol( SAL_UNUSED_PARAMETER const void*,
SAL_UNUSED_PARAMETER void*,
const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
char* pDestBuf, sal_Size nDestBytes,
sal_uInt32 nFlags, sal_uInt32* pInfo,
sal_Size* pSrcCvtChars )
{
sal_Unicode c;
char* pEndDestBuf;
const sal_Unicode* pEndSrcBuf;
*pInfo = 0;
pEndDestBuf = pDestBuf+nDestBytes;
pEndSrcBuf = pSrcBuf+nSrcChars;
while ( pSrcBuf < pEndSrcBuf )
{
if ( pDestBuf == pEndDestBuf )
{
*pInfo |= RTL_UNICODETOTEXT_INFO_ERROR | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
break;
}
c = *pSrcBuf;
if ( (c >= 0xF000) && (c <= 0xF0FF) )
{
*pDestBuf = static_cast< char >(static_cast< unsigned char >(c-0xF000));
pDestBuf++;
pSrcBuf++;
}
// Normally 0x001F, but in many cases also symbol characters
// are stored in the first 256 bytes, so that we don't change
// these values
else if ( c <= 0x00FF )
{
*pDestBuf = static_cast< char >(static_cast< unsigned char >(c));
pDestBuf++;
pSrcBuf++;
}
else
{
if ( nFlags & RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACE )
{
/* !!! */
/* Only ascii characters < 0x1F */
}
/* Handle undefined and surrogates characters */
/* (all surrogates characters are undefined) */
if (!sal::detail::textenc::handleUndefinedUnicodeToTextChar(
&pSrcBuf, pEndSrcBuf, &pDestBuf, pEndDestBuf, nFlags,
pInfo))
break;
}
}
*pSrcCvtChars = nSrcChars - (pEndSrcBuf-pSrcBuf);
return (nDestBytes - (pEndDestBuf-pDestBuf));
}
sal_Size ImplUpperCharToUnicode( const void* pData,
SAL_UNUSED_PARAMETER void*,
const char* pSrcBuf, sal_Size nSrcBytes,
sal_Unicode* pDestBuf, sal_Size nDestChars,
SAL_UNUSED_PARAMETER sal_uInt32, sal_uInt32* pInfo,
sal_Size* pSrcCvtBytes )
{
sal_Unicode cConv;
const ImplByteConvertData* pConvertData = static_cast<const ImplByteConvertData*>(pData);
sal_Unicode* pEndDestBuf;
const char* pEndSrcBuf;
*pInfo = 0;
pEndDestBuf = pDestBuf+nDestChars;
pEndSrcBuf = pSrcBuf+nSrcBytes;
if ( pDestBuf == pEndDestBuf )
{
*pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR | RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL;
*pSrcCvtBytes = 0;
return 0;
}
while ( pSrcBuf < pEndSrcBuf )
{
unsigned char c = (unsigned char)*pSrcBuf;
if (c < 0x80)
cConv = c;
else
// c <= 0xFF is implied.
cConv = pConvertData->mpToUniTab1[c - 0x80];
*pDestBuf = cConv;
pDestBuf++;
pSrcBuf++;
}
*pSrcCvtBytes = nSrcBytes - (pEndSrcBuf-pSrcBuf);
return (nDestChars - (pEndDestBuf-pDestBuf));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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