865 lines
30 KiB
C++
865 lines
30 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*************************************************************************
|
|
*
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* Copyright 2000, 2010 Oracle and/or its affiliates.
|
|
*
|
|
* OpenOffice.org - a multi-platform office productivity suite
|
|
*
|
|
* This file is part of OpenOffice.org.
|
|
*
|
|
* OpenOffice.org is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License version 3
|
|
* only, as published by the Free Software Foundation.
|
|
*
|
|
* OpenOffice.org is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License version 3 for more details
|
|
* (a copy is included in the LICENSE file that accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* version 3 along with OpenOffice.org. If not, see
|
|
* <http://www.openoffice.org/license.html>
|
|
* for a copy of the LGPLv3 License.
|
|
*
|
|
************************************************************************/
|
|
|
|
#include "sal/config.h"
|
|
|
|
#include "rtl/textcvt.h"
|
|
#include "sal/types.h"
|
|
|
|
#include "context.hxx"
|
|
#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 = *(sal_uChar 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++ = (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++ = (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++ = (sal_Unicode) nUnicode;
|
|
*pDestBufPtr++
|
|
= (sal_Unicode)
|
|
pCns116431992Data[
|
|
nOffset + (nChar - nFirst)];
|
|
}
|
|
else
|
|
goto no_output;
|
|
else
|
|
if (pDestBufPtr != pDestBufEnd)
|
|
*pDestBufPtr++ = (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_DESTBUFFERTOSMALL;
|
|
break;
|
|
}
|
|
|
|
if (eState > IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO
|
|
&& (nInfo & (RTL_TEXTTOUNICODE_INFO_ERROR
|
|
| RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOSMALL))
|
|
== 0)
|
|
{
|
|
if ((nFlags & RTL_TEXTTOUNICODE_FLAGS_FLUSH) == 0)
|
|
nInfo |= RTL_TEXTTOUNICODE_INFO_SRCBUFFERTOSMALL;
|
|
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_DESTBUFFERTOSMALL;
|
|
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(void)
|
|
{
|
|
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 = (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: */
|