2e71c43905
Change-Id: I11a54c1ddf73c16ce46a0d1c375bf43157870db7 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/155856 Tested-by: Jenkins Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
872 lines
30 KiB
C++
872 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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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <cassert>
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#include <rtl/character.hxx>
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#include <rtl/textcvt.h>
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#include <sal/types.h>
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#include "converter.hxx"
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#include "convertiso2022cn.hxx"
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#include "tenchelp.hxx"
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namespace {
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enum ImplIso2022CnToUnicodeState // 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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};
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struct ImplIso2022CnToUnicodeContext
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{
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ImplIso2022CnToUnicodeState m_eState;
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sal_uInt32 m_nRow;
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bool m_bSo;
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bool m_b116431;
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};
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enum ImplUnicodeToIso2022CnDesignator
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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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};
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struct ImplUnicodeToIso2022CnContext
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{
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sal_Unicode m_nHighSurrogate;
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ImplUnicodeToIso2022CnDesignator m_eSoDesignator;
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bool m_b116432Designator;
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bool m_bSo;
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};
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}
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void * ImplCreateIso2022CnToUnicodeContext()
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{
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ImplIso2022CnToUnicodeContext * pContext =
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new ImplIso2022CnToUnicodeContext;
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pContext->m_eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
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pContext->m_bSo = false;
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pContext->m_b116431 = 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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static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_eState
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= IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
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static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_bSo = false;
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static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_b116431 = false;
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}
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}
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void ImplDestroyIso2022CnToUnicodeContext(void * pContext)
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{
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delete static_cast< ImplIso2022CnToUnicodeContext * >(pContext);
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}
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sal_Size ImplConvertIso2022CnToUnicode(void const * pData,
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void * pContext,
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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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= static_cast< ImplIso2022CnConverterData const * >(pData)->
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m_pGb2312ToUnicodeData;
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sal_uInt16 const * pCns116431992Data
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= static_cast< ImplIso2022CnConverterData const * >(pData)->
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m_pCns116431992ToUnicodeData;
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sal_Int32 const * pCns116431992RowOffsets
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= static_cast< ImplIso2022CnConverterData const * >(pData)->
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m_pCns116431992ToUnicodeRowOffsets;
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sal_Int32 const * pCns116431992PlaneOffsets
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= static_cast< 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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bool bSo = false;
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bool b116431 = 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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sal_Size startOfCurrentChar = 0;
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if (pContext)
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{
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eState = static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_eState;
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nRow = static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_nRow;
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bSo = static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_bSo;
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b116431 = static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_b116431;
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}
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for (; nConverted < nSrcBytes; ++nConverted)
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{
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bool bUndefined = true;
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sal_uInt32 nChar = *reinterpret_cast<unsigned char 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 = 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++ = static_cast<sal_Unicode>(nChar);
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startOfCurrentChar = nConverted + 1;
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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 = 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 = 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 = 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++ = static_cast<sal_Unicode>(nUnicode);
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_SO;
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startOfCurrentChar = nConverted + 1;
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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 = 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 = 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 = 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 = 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 = 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 = 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 = 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 = 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 = 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 (rtl::isHighSurrogate(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++ = static_cast<sal_Unicode>(nUnicode);
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*pDestBufPtr++
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= static_cast<sal_Unicode>(pCns116431992Data[
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nOffset + (nChar - nFirst)]);
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startOfCurrentChar = nConverted + 1;
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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++ = static_cast<sal_Unicode>(nUnicode);
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startOfCurrentChar = nConverted + 1;
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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 (sal::detail::textenc::handleBadInputTextToUnicodeConversion(
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bUndefined, true, 0, nFlags, &pDestBufPtr, pDestBufEnd,
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&nInfo))
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{
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case sal::detail::textenc::BAD_INPUT_STOP:
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
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b116431 = false;
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if ((nFlags & RTL_TEXTTOUNICODE_FLAGS_FLUSH) == 0) {
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++nConverted;
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} else {
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nConverted = startOfCurrentChar;
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}
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break;
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case sal::detail::textenc::BAD_INPUT_CONTINUE:
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
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b116431 = false;
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startOfCurrentChar = nConverted + 1;
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continue;
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case sal::detail::textenc::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_DESTBUFFERTOOSMALL;
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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_DESTBUFFERTOOSMALL))
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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_SRCBUFFERTOOSMALL;
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else
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switch (sal::detail::textenc::handleBadInputTextToUnicodeConversion(
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false, true, 0, nFlags, &pDestBufPtr, pDestBufEnd,
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&nInfo))
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{
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case sal::detail::textenc::BAD_INPUT_STOP:
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if ((nFlags & RTL_TEXTTOUNICODE_FLAGS_FLUSH) != 0) {
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nConverted = startOfCurrentChar;
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}
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[[fallthrough]];
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case sal::detail::textenc::BAD_INPUT_CONTINUE:
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eState = IMPL_ISO_2022_CN_TO_UNICODE_STATE_ASCII;
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b116431 = false;
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break;
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case sal::detail::textenc::BAD_INPUT_NO_OUTPUT:
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nInfo |= RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL;
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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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static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_eState = eState;
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static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_nRow = nRow;
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static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_bSo = bSo;
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static_cast< ImplIso2022CnToUnicodeContext * >(pContext)->m_b116431 = b116431;
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}
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if (pInfo)
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*pInfo = nInfo;
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if (pSrcCvtBytes)
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*pSrcCvtBytes = nConverted;
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return pDestBufPtr - pDestBuf;
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}
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void * ImplCreateUnicodeToIso2022CnContext()
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{
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ImplUnicodeToIso2022CnContext * pContext =
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new ImplUnicodeToIso2022CnContext;
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pContext->m_nHighSurrogate = 0;
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pContext->m_eSoDesignator = IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE;
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pContext->m_b116432Designator = false;
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pContext->m_bSo = false;
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return pContext;
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}
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void ImplResetUnicodeToIso2022CnContext(void * pContext)
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{
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if (pContext)
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{
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static_cast< ImplUnicodeToIso2022CnContext * >(pContext)->m_nHighSurrogate = 0;
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static_cast< ImplUnicodeToIso2022CnContext * >(pContext)->m_eSoDesignator
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= IMPL_UNICODE_TO_ISO_2022_CN_DESIGNATOR_NONE;
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static_cast< ImplUnicodeToIso2022CnContext * >(pContext)->m_b116432Designator
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= false;
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static_cast< ImplUnicodeToIso2022CnContext * >(pContext)->m_bSo = false;
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}
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}
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void ImplDestroyUnicodeToIso2022CnContext(void * pContext)
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{
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delete static_cast< ImplUnicodeToIso2022CnContext * >(pContext);
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}
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|
|
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 (rtl::isHighSurrogate(nChar))
|
|
{
|
|
nHighSurrogate = static_cast<sal_Unicode>(nChar);
|
|
continue;
|
|
}
|
|
else if (rtl::isLowSurrogate(nChar))
|
|
{
|
|
bUndefined = false;
|
|
goto bad_input;
|
|
}
|
|
}
|
|
else if (rtl::isLowSurrogate(nChar))
|
|
nChar = rtl::combineSurrogates(nHighSurrogate, nChar);
|
|
else
|
|
{
|
|
bUndefined = false;
|
|
goto bad_input;
|
|
}
|
|
|
|
assert(rtl::isUnicodeScalarValue(nChar));
|
|
|
|
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: */
|