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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 <o3tl/safeint.hxx>
#include <rtl/textcvt.h>
#include <sal/types.h>
#include "converter.hxx"
#include "tenchelp.hxx"
#include "unichars.hxx"
sal::detail::textenc::BadInputConversionAction
sal::detail::textenc::handleBadInputTextToUnicodeConversion(
bool bUndefined, bool bMultiByte, char cByte, sal_uInt32 nFlags,
sal_Unicode ** pDestBufPtr, const sal_Unicode * pDestBufEnd, sal_uInt32 * pInfo)
{
*pInfo |= bUndefined
? (bMultiByte
? RTL_TEXTTOUNICODE_INFO_MBUNDEFINED
: RTL_TEXTTOUNICODE_INFO_UNDEFINED)
: RTL_TEXTTOUNICODE_INFO_INVALID;
switch (nFlags
& (bUndefined
? (bMultiByte
? RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_MASK
: RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MASK)
: RTL_TEXTTOUNICODE_FLAGS_INVALID_MASK))
{
case RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR:
case RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR:
case RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR:
*pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR;
return BAD_INPUT_STOP;
case RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_IGNORE:
case RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_IGNORE:
case RTL_TEXTTOUNICODE_FLAGS_INVALID_IGNORE:
return BAD_INPUT_CONTINUE;
case RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MAPTOPRIVATE:
if (*pDestBufPtr != pDestBufEnd)
{
*(*pDestBufPtr)++ = RTL_TEXTCVT_BYTE_PRIVATE_START
| static_cast<unsigned char>(cByte);
return BAD_INPUT_CONTINUE;
}
else
return BAD_INPUT_NO_OUTPUT;
default: // RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_DEFAULT,
// RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_DEFAULT,
// RTL_TEXTTOUNICODE_FLAGS_INVALID_DEFAULT
if (*pDestBufPtr != pDestBufEnd)
{
*(*pDestBufPtr)++ = RTL_TEXTENC_UNICODE_REPLACEMENT_CHARACTER;
return BAD_INPUT_CONTINUE;
}
else
return BAD_INPUT_NO_OUTPUT;
}
}
sal::detail::textenc::BadInputConversionAction
sal::detail::textenc::handleBadInputUnicodeToTextConversion(
bool bUndefined, sal_uInt32 nUtf32, sal_uInt32 nFlags, char ** pDestBufPtr,
const char * pDestBufEnd, sal_uInt32 * pInfo, char const * pPrefix,
sal_Size nPrefixLen, bool * pPrefixWritten)
{
// TODO! RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACE
// RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACESTR
char cReplace;
if (bUndefined)
{
if (ImplIsControlOrFormat(nUtf32))
{
if ((nFlags & RTL_UNICODETOTEXT_FLAGS_CONTROL_IGNORE) != 0)
nFlags = RTL_UNICODETOTEXT_FLAGS_UNDEFINED_IGNORE;
}
else if (ImplIsPrivateUse(nUtf32))
{
if ((nFlags & RTL_UNICODETOTEXT_FLAGS_PRIVATE_IGNORE) != 0)
nFlags = RTL_UNICODETOTEXT_FLAGS_UNDEFINED_IGNORE;
else if ((nFlags & RTL_UNICODETOTEXT_FLAGS_PRIVATE_MAPTO0) != 0)
nFlags = RTL_UNICODETOTEXT_FLAGS_UNDEFINED_0;
}
else if (ImplIsZeroWidth(nUtf32))
{
if ((nFlags & RTL_UNICODETOTEXT_FLAGS_NONSPACING_IGNORE) != 0)
nFlags = RTL_UNICODETOTEXT_FLAGS_UNDEFINED_IGNORE;
}
}
*pInfo |= bUndefined ? RTL_UNICODETOTEXT_INFO_UNDEFINED :
RTL_UNICODETOTEXT_INFO_INVALID;
switch (nFlags & (bUndefined ? RTL_UNICODETOTEXT_FLAGS_UNDEFINED_MASK :
RTL_UNICODETOTEXT_FLAGS_INVALID_MASK))
{
case RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR:
case RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR:
*pInfo |= RTL_UNICODETOTEXT_INFO_ERROR;
return BAD_INPUT_STOP;
case RTL_UNICODETOTEXT_FLAGS_UNDEFINED_IGNORE:
case RTL_UNICODETOTEXT_FLAGS_INVALID_IGNORE:
if (pPrefixWritten)
*pPrefixWritten = false;
return BAD_INPUT_CONTINUE;
case RTL_UNICODETOTEXT_FLAGS_UNDEFINED_0:
case RTL_UNICODETOTEXT_FLAGS_INVALID_0:
cReplace = 0;
break;
case RTL_UNICODETOTEXT_FLAGS_UNDEFINED_QUESTIONMARK:
case RTL_UNICODETOTEXT_FLAGS_INVALID_QUESTIONMARK:
default: // RTL_UNICODETOTEXT_FLAGS_UNDEFINED_DEFAULT,
// RTL_UNICODETOTEXT_FLAGS_INVALID_DEFAULT
cReplace = '?';
break;
case RTL_UNICODETOTEXT_FLAGS_UNDEFINED_UNDERLINE:
case RTL_UNICODETOTEXT_FLAGS_INVALID_UNDERLINE:
cReplace = '_';
break;
}
if (o3tl::make_unsigned(pDestBufEnd - *pDestBufPtr) > nPrefixLen)
{
while (nPrefixLen-- > 0)
*(*pDestBufPtr)++ = *pPrefix++;
*(*pDestBufPtr)++ = cReplace;
if (pPrefixWritten)
*pPrefixWritten = true;
return BAD_INPUT_CONTINUE;
}
return BAD_INPUT_NO_OUTPUT;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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