office-gobmx/sal/textenc/convertiso2022cn.cxx
Stephan Bergmann 5a3bb76cd3 More loplugin:cstylecast: sal
auto-rewrite with <https://gerrit.libreoffice.org/#/c/47798/> "Enable
loplugin:cstylecast for some more cases" plus
solenv/clang-format/reformat-formatted-files

Change-Id: I7d89b011464ba5d2dd12e04d5fc9f65cb4daebde
2018-01-12 20:17:51 +01:00

854 lines
30 KiB
C++

/* -*- 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 <sal/types.h>
#include "converter.hxx"
#include "convertiso2022cn.hxx"
#include "tenchelp.hxx"
#include "unichars.hxx"
namespace {
enum ImplIso2022CnToUnicodeState // order is important:
{
IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII,
IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO,
IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO_2,
IMPL_ISO_2022_CN_TO_UNICODE_STATE_116432,
IMPL_ISO_2022_CN_TO_UNICODE_STATE_116432_2,
IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC,
IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR,
IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR_RPAREN,
IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR_ASTERISK
};
struct ImplIso2022CnToUnicodeContext
{
ImplIso2022CnToUnicodeState m_eState;
sal_uInt32 m_nRow;
bool m_bSo;
bool m_b116431;
};
enum ImplUnicodeToIso2022CnDesignator
{
IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE,
IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_2312,
IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_116431
};
struct ImplUnicodeToIso2022CnContext
{
sal_Unicode m_nHighSurrogate;
ImplUnicodeToIso2022CnDesignator m_eSoDesignator;
bool m_b116432Designator;
bool m_bSo;
};
}
void * ImplCreateIso2022CnToUnicodeContext()
{
ImplIso2022CnToUnicodeContext * pContext =
new ImplIso2022CnToUnicodeContext;
pContext->m_eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
pContext->m_bSo = false;
pContext->m_b116431 = false;
return pContext;
}
void ImplResetIso2022CnToUnicodeContext(void * pContext)
{
if (pContext)
{
static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_eState
= IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_bSo = false;
static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_b116431 = false;
}
}
void ImplDestroyIso2022CnToUnicodeContext(void * pContext)
{
delete static_cast< ImplIso2022CnToUnicodeContext * >(pContext);
}
sal_Size ImplConvertIso2022CnToUnicode(void const * pData,
void * pContext,
char const * pSrcBuf,
sal_Size nSrcBytes,
sal_Unicode * pDestBuf,
sal_Size nDestChars,
sal_uInt32 nFlags,
sal_uInt32 * pInfo,
sal_Size * pSrcCvtBytes)
{
ImplDBCSToUniLeadTab const * pGb2312Data
= static_cast< ImplIso2022CnConverterData const * >(pData)->
m_pGb2312ToUnicodeData;
sal_uInt16 const * pCns116431992Data
= static_cast< ImplIso2022CnConverterData const * >(pData)->
m_pCns116431992ToUnicodeData;
sal_Int32 const * pCns116431992RowOffsets
= static_cast< ImplIso2022CnConverterData const * >(pData)->
m_pCns116431992ToUnicodeRowOffsets;
sal_Int32 const * pCns116431992PlaneOffsets
= static_cast< ImplIso2022CnConverterData const * >(pData)->
m_pCns116431992ToUnicodePlaneOffsets;
ImplIso2022CnToUnicodeState eState
= IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
sal_uInt32 nRow = 0;
bool bSo = false;
bool b116431 = false;
sal_uInt32 nInfo = 0;
sal_Size nConverted = 0;
sal_Unicode * pDestBufPtr = pDestBuf;
sal_Unicode * pDestBufEnd = pDestBuf + nDestChars;
if (pContext)
{
eState = static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_eState;
nRow = static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_nRow;
bSo = static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_bSo;
b116431 = static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_b116431;
}
for (; nConverted < nSrcBytes; ++nConverted)
{
bool bUndefined = true;
sal_uInt32 nChar = *reinterpret_cast<unsigned char const *>(pSrcBuf++);
sal_uInt32 nPlane;
switch (eState)
{
case IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII:
if (nChar == 0x0E) // SO
{
bSo = true;
eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO;
}
else if (nChar == 0x1B) // ESC
eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC;
else if (nChar < 0x80)
if (pDestBufPtr != pDestBufEnd)
*pDestBufPtr++ = static_cast<sal_Unicode>(nChar);
else
goto no_output;
else
{
bUndefined = false;
goto bad_input;
}
break;
case IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO:
if (nChar == 0x0F) // SI
{
bSo = false;
eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
}
else if (nChar == 0x1B) // ESC
eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC;
else if (nChar >= 0x21 && nChar <= 0x7E)
{
nRow = nChar;
eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO_2;
}
else
{
bUndefined = false;
goto bad_input;
}
break;
case IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO_2:
if (nChar >= 0x21 && nChar <= 0x7E)
if (b116431)
{
nPlane = 0;
goto transform;
}
else
{
sal_uInt16 nUnicode = 0;
sal_uInt32 nFirst;
nRow += 0x80;
nChar += 0x80;
nFirst = pGb2312Data[nRow].mnTrailStart;
if (nChar >= nFirst
&& nChar <= pGb2312Data[nRow].mnTrailEnd)
nUnicode = pGb2312Data[nRow].
mpToUniTrailTab[nChar - nFirst];
if (nUnicode != 0)
if (pDestBufPtr != pDestBufEnd)
{
*pDestBufPtr++ = static_cast<sal_Unicode>(nUnicode);
eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO;
}
else
goto no_output;
else
goto bad_input;
}
else
{
bUndefined = false;
goto bad_input;
}
break;
case IMPL_ISO_2022_CN_TO_UNICODE_STATE_116432:
if (nChar >= 0x21 && nChar <= 0x7E)
{
nRow = nChar;
eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_116432_2;
}
else
{
bUndefined = false;
goto bad_input;
}
break;
case IMPL_ISO_2022_CN_TO_UNICODE_STATE_116432_2:
if (nChar >= 0x21 && nChar <= 0x7E)
{
nPlane = 1;
goto transform;
}
else
{
bUndefined = false;
goto bad_input;
}
break;
case IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC:
if (nChar == 0x24) // $
eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR;
else if (nChar == 0x4E) // N
eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_116432;
else
{
bUndefined = false;
goto bad_input;
}
break;
case IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR:
if (nChar == 0x29) // )
eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR_RPAREN;
else if (nChar == 0x2A) // *
eState
= IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR_ASTERISK;
else
{
bUndefined = false;
goto bad_input;
}
break;
case IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR_RPAREN:
if (nChar == 0x41) // A
{
b116431 = false;
eState = bSo ? IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO :
IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
}
else if (nChar == 0x47) // G
{
b116431 = true;
eState = bSo ? IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO :
IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
}
else
{
bUndefined = false;
goto bad_input;
}
break;
case IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR_ASTERISK:
if (nChar == 0x48) // H
eState = bSo ? IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO :
IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
else
{
bUndefined = false;
goto bad_input;
}
break;
}
continue;
transform:
{
sal_Int32 nPlaneOffset = pCns116431992PlaneOffsets[nPlane];
if (nPlaneOffset == -1)
goto bad_input;
else
{
sal_Int32 nOffset
= pCns116431992RowOffsets[nPlaneOffset + (nRow - 0x21)];
if (nOffset == -1)
goto bad_input;
else
{
sal_uInt32 nFirstLast = pCns116431992Data[nOffset++];
sal_uInt32 nFirst = nFirstLast & 0xFF;
sal_uInt32 nLast = nFirstLast >> 8;
nChar -= 0x20;
if (nChar >= nFirst && nChar <= nLast)
{
sal_uInt32 nUnicode
= pCns116431992Data[nOffset + (nChar - nFirst)];
if (nUnicode == 0xFFFF)
goto bad_input;
else if (ImplIsHighSurrogate(nUnicode))
if (pDestBufEnd - pDestBufPtr >= 2)
{
nOffset += nLast - nFirst + 1;
nFirst = pCns116431992Data[nOffset++];
*pDestBufPtr++ = static_cast<sal_Unicode>(nUnicode);
*pDestBufPtr++
= static_cast<sal_Unicode>(pCns116431992Data[
nOffset + (nChar - nFirst)]);
}
else
goto no_output;
else
if (pDestBufPtr != pDestBufEnd)
*pDestBufPtr++ = static_cast<sal_Unicode>(nUnicode);
else
goto no_output;
}
else
goto bad_input;
eState = bSo ? IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO :
IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
}
}
continue;
}
bad_input:
switch (sal::detail::textenc::handleBadInputTextToUnicodeConversion(
bUndefined, true, 0, nFlags, &pDestBufPtr, pDestBufEnd,
&nInfo))
{
case sal::detail::textenc::BAD_INPUT_STOP:
eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
b116431 = false;
break;
case sal::detail::textenc::BAD_INPUT_CONTINUE:
eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
b116431 = false;
continue;
case sal::detail::textenc::BAD_INPUT_NO_OUTPUT:
goto no_output;
}
break;
no_output:
--pSrcBuf;
nInfo |= RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL;
break;
}
if (eState > IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO
&& (nInfo & (RTL_TEXTTOUNICODE_INFO_ERROR
| RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL))
== 0)
{
if ((nFlags & RTL_TEXTTOUNICODE_FLAGS_FLUSH) == 0)
nInfo |= RTL_TEXTTOUNICODE_INFO_SRCBUFFERTOOSMALL;
else
switch (sal::detail::textenc::handleBadInputTextToUnicodeConversion(
false, true, 0, nFlags, &pDestBufPtr, pDestBufEnd,
&nInfo))
{
case sal::detail::textenc::BAD_INPUT_STOP:
case sal::detail::textenc::BAD_INPUT_CONTINUE:
eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
b116431 = false;
break;
case sal::detail::textenc::BAD_INPUT_NO_OUTPUT:
nInfo |= RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL;
break;
}
}
if (pContext)
{
static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_eState = eState;
static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_nRow = nRow;
static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_bSo = bSo;
static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_b116431 = b116431;
}
if (pInfo)
*pInfo = nInfo;
if (pSrcCvtBytes)
*pSrcCvtBytes = nConverted;
return pDestBufPtr - pDestBuf;
}
void * ImplCreateUnicodeToIso2022CnContext()
{
ImplUnicodeToIso2022CnContext * pContext =
new ImplUnicodeToIso2022CnContext;
pContext->m_nHighSurrogate = 0;
pContext->m_eSoDesignator = IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE;
pContext->m_b116432Designator = false;
pContext->m_bSo = false;
return pContext;
}
void ImplResetUnicodeToIso2022CnContext(void * pContext)
{
if (pContext)
{
static_cast< ImplUnicodeToIso2022CnContext * >(pContext)->m_nHighSurrogate = 0;
static_cast< ImplUnicodeToIso2022CnContext * >(pContext)->m_eSoDesignator
= IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE;
static_cast< ImplUnicodeToIso2022CnContext * >(pContext)->m_b116432Designator
= false;
static_cast< ImplUnicodeToIso2022CnContext * >(pContext)->m_bSo = false;
}
}
void ImplDestroyUnicodeToIso2022CnContext(void * pContext)
{
delete static_cast< ImplUnicodeToIso2022CnContext * >(pContext);
}
static sal_uInt32 ImplIso2022CnTranslateTo2312(ImplUniToDBCSHighTab const *
pGb2312Data,
sal_uInt32 nChar)
{
sal_uInt32 nIndex1 = nChar >> 8;
if (nIndex1 < 0x100)
{
sal_uInt32 nIndex2 = nChar & 0xFF;
sal_uInt32 nFirst = pGb2312Data[nIndex1].mnLowStart;
if (nIndex2 >= nFirst && nIndex2 <= pGb2312Data[nIndex1].mnLowEnd)
return pGb2312Data[nIndex1].mpToUniTrailTab[nIndex2 - nFirst]
& 0x7F7F;
}
return 0;
}
static sal_uInt32
ImplIso2022CnTranslateTo116431(sal_uInt8 const * pCns116431992Data,
sal_Int32 const * pCns116431992PageOffsets,
sal_Int32 const * pCns116431992PlaneOffsets,
sal_uInt32 nChar)
{
sal_Int32 nOffset = pCns116431992PlaneOffsets[nChar >> 16];
sal_uInt32 nFirst;
sal_uInt32 nLast;
sal_uInt32 nPlane;
if (nOffset == -1)
return 0;
nOffset = pCns116431992PageOffsets[nOffset + ((nChar & 0xFF00) >> 8)];
if (nOffset == -1)
return 0;
nFirst = pCns116431992Data[nOffset++];
nLast = pCns116431992Data[nOffset++];
nChar &= 0xFF;
if (nChar < nFirst || nChar > nLast)
return 0;
nOffset += 3 * (nChar - nFirst);
nPlane = pCns116431992Data[nOffset++];
if (nPlane != 1)
return 0;
return (0x20 + pCns116431992Data[nOffset]) << 8
| (0x20 + pCns116431992Data[nOffset + 1]);
}
sal_Size ImplConvertUnicodeToIso2022Cn(void const * pData,
void * pContext,
sal_Unicode const * pSrcBuf,
sal_Size nSrcChars,
char * pDestBuf,
sal_Size nDestBytes,
sal_uInt32 nFlags,
sal_uInt32 * pInfo,
sal_Size * pSrcCvtChars)
{
ImplUniToDBCSHighTab const * pGb2312Data
= static_cast< ImplIso2022CnConverterData const * >(pData)->
m_pUnicodeToGb2312Data;
sal_uInt8 const * pCns116431992Data
= static_cast< ImplIso2022CnConverterData const * >(pData)->
m_pUnicodeToCns116431992Data;
sal_Int32 const * pCns116431992PageOffsets
= static_cast< ImplIso2022CnConverterData const * >(pData)->
m_pUnicodeToCns116431992PageOffsets;
sal_Int32 const * pCns116431992PlaneOffsets
= static_cast< ImplIso2022CnConverterData const * >(pData)->
m_pUnicodeToCns116431992PlaneOffsets;
sal_Unicode nHighSurrogate = 0;
ImplUnicodeToIso2022CnDesignator eSoDesignator
= IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE;
bool b116432Designator = false;
bool bSo = false;
sal_uInt32 nInfo = 0;
sal_Size nConverted = 0;
char * pDestBufPtr = pDestBuf;
char * pDestBufEnd = pDestBuf + nDestBytes;
bool bWritten;
if (pContext)
{
nHighSurrogate
= static_cast< ImplUnicodeToIso2022CnContext * >(pContext)->m_nHighSurrogate;
eSoDesignator
= static_cast< ImplUnicodeToIso2022CnContext * >(pContext)->m_eSoDesignator;
b116432Designator = static_cast< ImplUnicodeToIso2022CnContext * >(pContext)->
m_b116432Designator;
bSo = static_cast< ImplUnicodeToIso2022CnContext * >(pContext)->m_bSo;
}
for (; nConverted < nSrcChars; ++nConverted)
{
bool bUndefined = true;
sal_uInt32 nChar = *pSrcBuf++;
if (nHighSurrogate == 0)
{
if (ImplIsHighSurrogate(nChar))
{
nHighSurrogate = static_cast<sal_Unicode>(nChar);
continue;
}
}
else if (ImplIsLowSurrogate(nChar))
nChar = ImplCombineSurrogates(nHighSurrogate, nChar);
else
{
bUndefined = false;
goto bad_input;
}
if (ImplIsLowSurrogate(nChar) || ImplIsNoncharacter(nChar))
{
bUndefined = false;
goto bad_input;
}
if (nChar == 0x0A || nChar == 0x0D) // LF, CR
{
if (bSo)
{
if (pDestBufPtr != pDestBufEnd)
{
*pDestBufPtr++ = 0x0F; // SI
bSo = false;
eSoDesignator
= IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE;
b116432Designator = false;
}
else
goto no_output;
}
if (pDestBufPtr != pDestBufEnd)
*pDestBufPtr++ = static_cast< char >(nChar);
else
goto no_output;
}
else if (nChar == 0x0E || nChar == 0x0F || nChar == 0x1B)
goto bad_input;
else if (nChar < 0x80)
{
if (bSo)
{
if (pDestBufPtr != pDestBufEnd)
{
*pDestBufPtr++ = 0x0F; // SI
bSo = false;
}
else
goto no_output;
}
if (pDestBufPtr != pDestBufEnd)
*pDestBufPtr++ = static_cast< char >(nChar);
else
goto no_output;
}
else
{
sal_uInt32 nBytes = 0;
ImplUnicodeToIso2022CnDesignator eNewDesignator =
IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE;
switch (eSoDesignator)
{
case IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE:
nBytes = ImplIso2022CnTranslateTo2312(pGb2312Data, nChar);
if (nBytes != 0)
{
eNewDesignator
= IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_2312;
break;
}
nBytes = ImplIso2022CnTranslateTo116431(
pCns116431992Data,
pCns116431992PageOffsets,
pCns116431992PlaneOffsets,
nChar);
if (nBytes != 0)
{
eNewDesignator
= IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_116431;
break;
}
break;
case IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_2312:
nBytes = ImplIso2022CnTranslateTo2312(pGb2312Data, nChar);
if (nBytes != 0)
{
eNewDesignator
= IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE;
break;
}
nBytes = ImplIso2022CnTranslateTo116431(
pCns116431992Data,
pCns116431992PageOffsets,
pCns116431992PlaneOffsets,
nChar);
if (nBytes != 0)
{
eNewDesignator
= IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_116431;
break;
}
break;
case IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_116431:
nBytes = ImplIso2022CnTranslateTo116431(
pCns116431992Data,
pCns116431992PageOffsets,
pCns116431992PlaneOffsets,
nChar);
if (nBytes != 0)
{
eNewDesignator
= IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE;
break;
}
nBytes = ImplIso2022CnTranslateTo2312(pGb2312Data, nChar);
if (nBytes != 0)
{
eNewDesignator
= IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_2312;
break;
}
break;
}
if (nBytes != 0)
{
if (eNewDesignator
!= IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE)
{
if (bSo)
{
if (pDestBufPtr != pDestBufEnd)
{
*pDestBufPtr++ = 0x0F; // SI
bSo = false;
}
else
goto no_output;
}
if (pDestBufEnd - pDestBufPtr >= 4)
{
*pDestBufPtr++ = 0x1B; // ESC
*pDestBufPtr++ = 0x24; // $
*pDestBufPtr++ = 0x29; // )
*pDestBufPtr++
= eNewDesignator
== IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_2312 ?
0x41 : 0x47; // A, G
eSoDesignator = eNewDesignator;
}
else
goto no_output;
}
if (!bSo)
{
if (pDestBufPtr != pDestBufEnd)
{
*pDestBufPtr++ = 0x0E; // SO
bSo = true;
}
else
goto no_output;
}
if (pDestBufEnd - pDestBufPtr >= 4)
{
*pDestBufPtr++ = static_cast< char >(nBytes >> 8);
*pDestBufPtr++ = static_cast< char >(nBytes & 0xFF);
}
else
goto no_output;
}
else
{
sal_Int32 nOffset = pCns116431992PlaneOffsets[nChar >> 16];
sal_uInt32 nFirst;
sal_uInt32 nLast;
sal_uInt32 nPlane;
if (nOffset == -1)
goto bad_input;
nOffset
= pCns116431992PageOffsets[nOffset
+ ((nChar & 0xFF00) >> 8)];
if (nOffset == -1)
goto bad_input;
nFirst = pCns116431992Data[nOffset++];
nLast = pCns116431992Data[nOffset++];
nChar &= 0xFF;
if (nChar < nFirst || nChar > nLast)
goto bad_input;
nOffset += 3 * (nChar - nFirst);
nPlane = pCns116431992Data[nOffset++];
if (nPlane != 2)
goto bad_input;
if (!b116432Designator)
{
if (pDestBufEnd - pDestBufPtr >= 4)
{
*pDestBufPtr++ = 0x1B; // ESC
*pDestBufPtr++ = 0x24; // $
*pDestBufPtr++ = 0x2A; // *
*pDestBufPtr++ = 0x48; // H
b116432Designator = true;
}
else
goto no_output;
}
if (pDestBufEnd - pDestBufPtr >= 4)
{
*pDestBufPtr++ = 0x1B; // ESC
*pDestBufPtr++ = 0x4E; // N
*pDestBufPtr++
= static_cast< char >(0x20 + pCns116431992Data[nOffset++]);
*pDestBufPtr++
= static_cast< char >(0x20 + pCns116431992Data[nOffset]);
}
else
goto no_output;
}
}
nHighSurrogate = 0;
continue;
bad_input:
switch (sal::detail::textenc::handleBadInputUnicodeToTextConversion(
bUndefined, nChar, nFlags, &pDestBufPtr, pDestBufEnd,
&nInfo, "\x0F" /* SI */, bSo ? 1 : 0, &bWritten))
{
case sal::detail::textenc::BAD_INPUT_STOP:
nHighSurrogate = 0;
break;
case sal::detail::textenc::BAD_INPUT_CONTINUE:
if (bWritten)
bSo = false;
nHighSurrogate = 0;
continue;
case sal::detail::textenc::BAD_INPUT_NO_OUTPUT:
goto no_output;
}
break;
no_output:
--pSrcBuf;
nInfo |= RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
break;
}
if ((nInfo & (RTL_UNICODETOTEXT_INFO_ERROR
| RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL))
== 0)
{
bool bFlush = true;
if (nHighSurrogate != 0)
{
if ((nFlags & RTL_UNICODETOTEXT_FLAGS_FLUSH) != 0)
nInfo |= RTL_UNICODETOTEXT_INFO_SRCBUFFERTOSMALL;
else
switch (sal::detail::textenc::handleBadInputUnicodeToTextConversion(
false, 0, nFlags, &pDestBufPtr, pDestBufEnd, &nInfo,
"\x0F" /* SI */, bSo ? 1 : 0, &bWritten))
{
case sal::detail::textenc::BAD_INPUT_STOP:
nHighSurrogate = 0;
bFlush = false;
break;
case sal::detail::textenc::BAD_INPUT_CONTINUE:
if (bWritten)
bSo = false;
nHighSurrogate = 0;
break;
case sal::detail::textenc::BAD_INPUT_NO_OUTPUT:
nInfo |= RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
break;
}
}
if (bFlush && bSo && (nFlags & RTL_UNICODETOTEXT_FLAGS_FLUSH) != 0)
{
if (pDestBufPtr != pDestBufEnd)
{
*pDestBufPtr++ = 0x0F; // SI
bSo = false;
}
else
nInfo |= RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
}
}
if (pContext)
{
static_cast< ImplUnicodeToIso2022CnContext * >(pContext)->m_nHighSurrogate
= nHighSurrogate;
static_cast< ImplUnicodeToIso2022CnContext * >(pContext)->m_eSoDesignator
= eSoDesignator;
static_cast< ImplUnicodeToIso2022CnContext * >(pContext)->m_b116432Designator
= b116432Designator;
static_cast< ImplUnicodeToIso2022CnContext * >(pContext)->m_bSo = bSo;
}
if (pInfo)
*pInfo = nInfo;
if (pSrcCvtChars)
*pSrcCvtChars = nConverted;
return pDestBufPtr - pDestBuf;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */