865 lines
30 KiB
C
865 lines
30 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include "convertiso2022cn.h"
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#include "context.h"
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#include "converter.h"
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#include "tenchelp.h"
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#include "unichars.h"
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#include "rtl/alloc.h"
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#include "rtl/textcvt.h"
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#include "sal/types.h"
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typedef enum /* order is important: */
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{
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IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII,
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IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO,
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IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO_2,
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IMPL_ISO_2022_CN_TO_UNICODE_STATE_116432,
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IMPL_ISO_2022_CN_TO_UNICODE_STATE_116432_2,
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IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC,
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IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR,
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IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR_RPAREN,
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IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR_ASTERISK
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} ImplIso2022CnToUnicodeState;
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typedef struct
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{
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ImplIso2022CnToUnicodeState m_eState;
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sal_uInt32 m_nRow;
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sal_Bool m_bSo;
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sal_Bool m_b116431;
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} ImplIso2022CnToUnicodeContext;
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typedef enum
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{
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IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE,
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IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_2312,
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IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_116431
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} ImplUnicodeToIso2022CnDesignator;
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typedef struct
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{
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sal_Unicode m_nHighSurrogate;
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ImplUnicodeToIso2022CnDesignator m_eSoDesignator;
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sal_Bool m_b116432Designator;
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sal_Bool m_bSo;
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} ImplUnicodeToIso2022CnContext;
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void * ImplCreateIso2022CnToUnicodeContext(void)
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{
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void * pContext
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= rtl_allocateMemory(sizeof (ImplIso2022CnToUnicodeContext));
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((ImplIso2022CnToUnicodeContext *) pContext)->m_eState
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= IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
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((ImplIso2022CnToUnicodeContext *) pContext)->m_bSo = sal_False;
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((ImplIso2022CnToUnicodeContext *) pContext)->m_b116431 = sal_False;
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return pContext;
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}
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void ImplResetIso2022CnToUnicodeContext(void * pContext)
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{
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if (pContext)
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{
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((ImplIso2022CnToUnicodeContext *) pContext)->m_eState
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= IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
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((ImplIso2022CnToUnicodeContext *) pContext)->m_bSo = sal_False;
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((ImplIso2022CnToUnicodeContext *) pContext)->m_b116431 = sal_False;
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}
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}
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sal_Size ImplConvertIso2022CnToUnicode(ImplTextConverterData const * pData,
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void * pContext,
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sal_Char const * pSrcBuf,
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sal_Size nSrcBytes,
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sal_Unicode * pDestBuf,
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sal_Size nDestChars,
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sal_uInt32 nFlags,
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sal_uInt32 * pInfo,
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sal_Size * pSrcCvtBytes)
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{
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ImplDBCSToUniLeadTab const * pGb2312Data
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= ((ImplIso2022CnConverterData const *) pData)->
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m_pGb2312ToUnicodeData;
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sal_uInt16 const * pCns116431992Data
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= ((ImplIso2022CnConverterData const *) pData)->
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m_pCns116431992ToUnicodeData;
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sal_Int32 const * pCns116431992RowOffsets
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= ((ImplIso2022CnConverterData const *) pData)->
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m_pCns116431992ToUnicodeRowOffsets;
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sal_Int32 const * pCns116431992PlaneOffsets
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= ((ImplIso2022CnConverterData const *) pData)->
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m_pCns116431992ToUnicodePlaneOffsets;
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ImplIso2022CnToUnicodeState eState
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= IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
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sal_uInt32 nRow = 0;
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sal_Bool bSo = sal_False;
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sal_Bool b116431 = sal_False;
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sal_uInt32 nInfo = 0;
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sal_Size nConverted = 0;
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sal_Unicode * pDestBufPtr = pDestBuf;
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sal_Unicode * pDestBufEnd = pDestBuf + nDestChars;
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if (pContext)
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{
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eState = ((ImplIso2022CnToUnicodeContext *) pContext)->m_eState;
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nRow = ((ImplIso2022CnToUnicodeContext *) pContext)->m_nRow;
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bSo = ((ImplIso2022CnToUnicodeContext *) pContext)->m_bSo;
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b116431 = ((ImplIso2022CnToUnicodeContext *) pContext)->m_b116431;
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}
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for (; nConverted < nSrcBytes; ++nConverted)
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{
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sal_Bool bUndefined = sal_True;
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sal_uInt32 nChar = *(sal_uChar const *) pSrcBuf++;
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sal_uInt32 nPlane;
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switch (eState)
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{
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case IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII:
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if (nChar == 0x0E) /* SO */
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{
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bSo = sal_True;
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO;
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}
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else if (nChar == 0x1B) /* ESC */
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC;
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else if (nChar < 0x80)
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if (pDestBufPtr != pDestBufEnd)
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*pDestBufPtr++ = (sal_Unicode) nChar;
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else
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goto no_output;
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else
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{
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bUndefined = sal_False;
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goto bad_input;
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}
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break;
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case IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO:
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if (nChar == 0x0F) /* SI */
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{
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bSo = sal_False;
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
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}
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else if (nChar == 0x1B) /* ESC */
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC;
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else if (nChar >= 0x21 && nChar <= 0x7E)
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{
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nRow = nChar;
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO_2;
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}
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else
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{
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bUndefined = sal_False;
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goto bad_input;
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}
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break;
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case IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO_2:
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if (nChar >= 0x21 && nChar <= 0x7E)
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if (b116431)
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{
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nPlane = 0;
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goto transform;
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}
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else
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{
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sal_uInt16 nUnicode = 0;
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sal_uInt32 nFirst;
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nRow += 0x80;
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nChar += 0x80;
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nFirst = pGb2312Data[nRow].mnTrailStart;
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if (nChar >= nFirst
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&& nChar <= pGb2312Data[nRow].mnTrailEnd)
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nUnicode = pGb2312Data[nRow].
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mpToUniTrailTab[nChar - nFirst];
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if (nUnicode != 0)
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if (pDestBufPtr != pDestBufEnd)
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{
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*pDestBufPtr++ = (sal_Unicode) nUnicode;
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO;
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}
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else
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goto no_output;
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else
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goto bad_input;
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}
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else
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{
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bUndefined = sal_False;
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goto bad_input;
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}
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break;
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case IMPL_ISO_2022_CN_TO_UNICODE_STATE_116432:
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if (nChar >= 0x21 && nChar <= 0x7E)
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{
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nRow = nChar;
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_116432_2;
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}
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else
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{
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bUndefined = sal_False;
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goto bad_input;
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}
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break;
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case IMPL_ISO_2022_CN_TO_UNICODE_STATE_116432_2:
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if (nChar >= 0x21 && nChar <= 0x7E)
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{
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nPlane = 1;
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goto transform;
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}
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else
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{
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bUndefined = sal_False;
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goto bad_input;
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}
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break;
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case IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC:
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if (nChar == 0x24) /* $ */
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR;
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else if (nChar == 0x4E) /* N */
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_116432;
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else
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{
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bUndefined = sal_False;
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goto bad_input;
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}
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break;
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case IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR:
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if (nChar == 0x29) /* ) */
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR_RPAREN;
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else if (nChar == 0x2A) /* * */
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eState
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= IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR_ASTERISK;
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else
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{
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bUndefined = sal_False;
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goto bad_input;
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}
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break;
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case IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR_RPAREN:
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if (nChar == 0x41) /* A */
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{
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b116431 = sal_False;
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eState = bSo ? IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO :
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IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
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}
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else if (nChar == 0x47) /* G */
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{
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b116431 = sal_True;
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eState = bSo ? IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO :
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IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
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}
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else
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{
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bUndefined = sal_False;
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goto bad_input;
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}
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break;
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case IMPL_ISO_2022_CN_TO_UNICODE_STATE_ESC_DOLLAR_ASTERISK:
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if (nChar == 0x48) /* H */
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eState = bSo ? IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO :
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IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
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else
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{
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bUndefined = sal_False;
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goto bad_input;
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}
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break;
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}
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continue;
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transform:
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{
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sal_Int32 nPlaneOffset = pCns116431992PlaneOffsets[nPlane];
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if (nPlaneOffset == -1)
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goto bad_input;
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else
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{
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sal_Int32 nOffset
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= pCns116431992RowOffsets[nPlaneOffset + (nRow - 0x21)];
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if (nOffset == -1)
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goto bad_input;
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else
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{
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sal_uInt32 nFirstLast = pCns116431992Data[nOffset++];
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sal_uInt32 nFirst = nFirstLast & 0xFF;
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sal_uInt32 nLast = nFirstLast >> 8;
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nChar -= 0x20;
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if (nChar >= nFirst && nChar <= nLast)
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{
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sal_uInt32 nUnicode
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= pCns116431992Data[nOffset + (nChar - nFirst)];
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if (nUnicode == 0xFFFF)
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goto bad_input;
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else if (ImplIsHighSurrogate(nUnicode))
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if (pDestBufEnd - pDestBufPtr >= 2)
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{
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nOffset += nLast - nFirst + 1;
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nFirst = pCns116431992Data[nOffset++];
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*pDestBufPtr++ = (sal_Unicode) nUnicode;
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*pDestBufPtr++
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= (sal_Unicode)
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pCns116431992Data[
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nOffset + (nChar - nFirst)];
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}
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else
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goto no_output;
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else
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if (pDestBufPtr != pDestBufEnd)
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*pDestBufPtr++ = (sal_Unicode) nUnicode;
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else
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goto no_output;
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}
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else
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goto bad_input;
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eState = bSo ? IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO :
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IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
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}
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}
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continue;
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}
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bad_input:
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switch (ImplHandleBadInputTextToUnicodeConversion(
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bUndefined, sal_True, 0, nFlags, &pDestBufPtr, pDestBufEnd,
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&nInfo))
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{
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case IMPL_BAD_INPUT_STOP:
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
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b116431 = sal_False;
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break;
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case IMPL_BAD_INPUT_CONTINUE:
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
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b116431 = sal_False;
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continue;
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case IMPL_BAD_INPUT_NO_OUTPUT:
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goto no_output;
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}
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break;
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no_output:
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--pSrcBuf;
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nInfo |= RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOSMALL;
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break;
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}
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if (eState > IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO
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&& (nInfo & (RTL_TEXTTOUNICODE_INFO_ERROR
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| RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOSMALL))
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== 0)
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{
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if ((nFlags & RTL_TEXTTOUNICODE_FLAGS_FLUSH) == 0)
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nInfo |= RTL_TEXTTOUNICODE_INFO_SRCBUFFERTOSMALL;
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else
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switch (ImplHandleBadInputTextToUnicodeConversion(
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sal_False, sal_True, 0, nFlags, &pDestBufPtr, pDestBufEnd,
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&nInfo))
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{
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case IMPL_BAD_INPUT_STOP:
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case IMPL_BAD_INPUT_CONTINUE:
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
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b116431 = sal_False;
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break;
|
|
|
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case IMPL_BAD_INPUT_NO_OUTPUT:
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nInfo |= RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOSMALL;
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break;
|
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}
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}
|
|
|
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if (pContext)
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{
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((ImplIso2022CnToUnicodeContext *) pContext)->m_eState = eState;
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((ImplIso2022CnToUnicodeContext *) pContext)->m_nRow = nRow;
|
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((ImplIso2022CnToUnicodeContext *) pContext)->m_bSo = bSo;
|
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((ImplIso2022CnToUnicodeContext *) pContext)->m_b116431 = b116431;
|
|
}
|
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if (pInfo)
|
|
*pInfo = nInfo;
|
|
if (pSrcCvtBytes)
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*pSrcCvtBytes = nConverted;
|
|
|
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return pDestBufPtr - pDestBuf;
|
|
}
|
|
|
|
void * ImplCreateUnicodeToIso2022CnContext(void)
|
|
{
|
|
void * pContext
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|
= rtl_allocateMemory(sizeof (ImplUnicodeToIso2022CnContext));
|
|
((ImplUnicodeToIso2022CnContext *) pContext)->m_nHighSurrogate = 0;
|
|
((ImplUnicodeToIso2022CnContext *) pContext)->m_eSoDesignator
|
|
= IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE;
|
|
((ImplUnicodeToIso2022CnContext *) pContext)->m_b116432Designator
|
|
= sal_False;
|
|
((ImplUnicodeToIso2022CnContext *) pContext)->m_bSo = sal_False;
|
|
return pContext;
|
|
}
|
|
|
|
void ImplResetUnicodeToIso2022CnContext(void * pContext)
|
|
{
|
|
if (pContext)
|
|
{
|
|
((ImplUnicodeToIso2022CnContext *) pContext)->m_nHighSurrogate = 0;
|
|
((ImplUnicodeToIso2022CnContext *) pContext)->m_eSoDesignator
|
|
= IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE;
|
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((ImplUnicodeToIso2022CnContext *) pContext)->m_b116432Designator
|
|
= sal_False;
|
|
((ImplUnicodeToIso2022CnContext *) pContext)->m_bSo = sal_False;
|
|
}
|
|
}
|
|
|
|
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(ImplTextConverterData const * pData,
|
|
void * pContext,
|
|
sal_Unicode const * pSrcBuf,
|
|
sal_Size nSrcChars,
|
|
sal_Char * pDestBuf,
|
|
sal_Size nDestBytes,
|
|
sal_uInt32 nFlags,
|
|
sal_uInt32 * pInfo,
|
|
sal_Size * pSrcCvtChars)
|
|
{
|
|
ImplUniToDBCSHighTab const * pGb2312Data
|
|
= ((ImplIso2022CnConverterData const *) pData)->
|
|
m_pUnicodeToGb2312Data;
|
|
sal_uInt8 const * pCns116431992Data
|
|
= ((ImplIso2022CnConverterData const *) pData)->
|
|
m_pUnicodeToCns116431992Data;
|
|
sal_Int32 const * pCns116431992PageOffsets
|
|
= ((ImplIso2022CnConverterData const *) pData)->
|
|
m_pUnicodeToCns116431992PageOffsets;
|
|
sal_Int32 const * pCns116431992PlaneOffsets
|
|
= ((ImplIso2022CnConverterData const *) pData)->
|
|
m_pUnicodeToCns116431992PlaneOffsets;
|
|
sal_Unicode nHighSurrogate = 0;
|
|
ImplUnicodeToIso2022CnDesignator eSoDesignator
|
|
= IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE;
|
|
sal_Bool b116432Designator = sal_False;
|
|
sal_Bool bSo = sal_False;
|
|
sal_uInt32 nInfo = 0;
|
|
sal_Size nConverted = 0;
|
|
sal_Char * pDestBufPtr = pDestBuf;
|
|
sal_Char * pDestBufEnd = pDestBuf + nDestBytes;
|
|
sal_Bool bWritten;
|
|
|
|
if (pContext)
|
|
{
|
|
nHighSurrogate
|
|
= ((ImplUnicodeToIso2022CnContext *) pContext)->m_nHighSurrogate;
|
|
eSoDesignator
|
|
= ((ImplUnicodeToIso2022CnContext *) pContext)->m_eSoDesignator;
|
|
b116432Designator = ((ImplUnicodeToIso2022CnContext *) pContext)->
|
|
m_b116432Designator;
|
|
bSo = ((ImplUnicodeToIso2022CnContext *) pContext)->m_bSo;
|
|
}
|
|
|
|
for (; nConverted < nSrcChars; ++nConverted)
|
|
{
|
|
sal_Bool bUndefined = sal_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 = sal_False;
|
|
goto bad_input;
|
|
}
|
|
|
|
if (ImplIsLowSurrogate(nChar) || ImplIsNoncharacter(nChar))
|
|
{
|
|
bUndefined = sal_False;
|
|
goto bad_input;
|
|
}
|
|
|
|
if (nChar == 0x0A || nChar == 0x0D) /* LF, CR */
|
|
{
|
|
if (bSo)
|
|
{
|
|
if (pDestBufPtr != pDestBufEnd)
|
|
{
|
|
*pDestBufPtr++ = 0x0F; /* SI */
|
|
bSo = sal_False;
|
|
eSoDesignator
|
|
= IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE;
|
|
b116432Designator = sal_False;
|
|
}
|
|
else
|
|
goto no_output;
|
|
}
|
|
if (pDestBufPtr != pDestBufEnd)
|
|
*pDestBufPtr++ = (sal_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 = sal_False;
|
|
}
|
|
else
|
|
goto no_output;
|
|
}
|
|
if (pDestBufPtr != pDestBufEnd)
|
|
*pDestBufPtr++ = (sal_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 = sal_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 = sal_True;
|
|
}
|
|
else
|
|
goto no_output;
|
|
}
|
|
if (pDestBufEnd - pDestBufPtr >= 4)
|
|
{
|
|
*pDestBufPtr++ = (sal_Char) (nBytes >> 8);
|
|
*pDestBufPtr++ = (sal_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 = sal_True;
|
|
}
|
|
else
|
|
goto no_output;
|
|
}
|
|
if (pDestBufEnd - pDestBufPtr >= 4)
|
|
{
|
|
*pDestBufPtr++ = 0x1B; /* ESC */
|
|
*pDestBufPtr++ = 0x4E; /* N */
|
|
*pDestBufPtr++
|
|
= (sal_Char) (0x20 + pCns116431992Data[nOffset++]);
|
|
*pDestBufPtr++
|
|
= (sal_Char) (0x20 + pCns116431992Data[nOffset]);
|
|
}
|
|
else
|
|
goto no_output;
|
|
}
|
|
}
|
|
nHighSurrogate = 0;
|
|
continue;
|
|
|
|
bad_input:
|
|
switch (ImplHandleBadInputUnicodeToTextConversion(bUndefined,
|
|
nChar,
|
|
nFlags,
|
|
&pDestBufPtr,
|
|
pDestBufEnd,
|
|
&nInfo,
|
|
"\x0F", /* SI */
|
|
bSo ? 1 : 0,
|
|
&bWritten))
|
|
{
|
|
case IMPL_BAD_INPUT_STOP:
|
|
nHighSurrogate = 0;
|
|
break;
|
|
|
|
case IMPL_BAD_INPUT_CONTINUE:
|
|
if (bWritten)
|
|
bSo = sal_False;
|
|
nHighSurrogate = 0;
|
|
continue;
|
|
|
|
case IMPL_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)
|
|
{
|
|
sal_Bool bFlush = sal_True;
|
|
if (nHighSurrogate != 0)
|
|
{
|
|
if ((nFlags & RTL_UNICODETOTEXT_FLAGS_FLUSH) != 0)
|
|
nInfo |= RTL_UNICODETOTEXT_INFO_SRCBUFFERTOSMALL;
|
|
else
|
|
switch (ImplHandleBadInputUnicodeToTextConversion(
|
|
sal_False,
|
|
0,
|
|
nFlags,
|
|
&pDestBufPtr,
|
|
pDestBufEnd,
|
|
&nInfo,
|
|
"\x0F", /* SI */
|
|
bSo ? 1 : 0,
|
|
&bWritten))
|
|
{
|
|
case IMPL_BAD_INPUT_STOP:
|
|
nHighSurrogate = 0;
|
|
bFlush = sal_False;
|
|
break;
|
|
|
|
case IMPL_BAD_INPUT_CONTINUE:
|
|
if (bWritten)
|
|
bSo = sal_False;
|
|
nHighSurrogate = 0;
|
|
break;
|
|
|
|
case IMPL_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 = sal_False;
|
|
}
|
|
else
|
|
nInfo |= RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
|
|
}
|
|
}
|
|
|
|
if (pContext)
|
|
{
|
|
((ImplUnicodeToIso2022CnContext *) pContext)->m_nHighSurrogate
|
|
= nHighSurrogate;
|
|
((ImplUnicodeToIso2022CnContext *) pContext)->m_eSoDesignator
|
|
= eSoDesignator;
|
|
((ImplUnicodeToIso2022CnContext *) pContext)->m_b116432Designator
|
|
= b116432Designator;
|
|
((ImplUnicodeToIso2022CnContext *) pContext)->m_bSo = bSo;
|
|
}
|
|
if (pInfo)
|
|
*pInfo = nInfo;
|
|
if (pSrcCvtChars)
|
|
*pSrcCvtChars = nConverted;
|
|
|
|
return pDestBufPtr - pDestBuf;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|