diff options
Diffstat (limited to 'sal/textenc/converteuctw.c')
-rw-r--r-- | sal/textenc/converteuctw.c | 455 |
1 files changed, 0 insertions, 455 deletions
diff --git a/sal/textenc/converteuctw.c b/sal/textenc/converteuctw.c deleted file mode 100644 index 342575012..000000000 --- a/sal/textenc/converteuctw.c +++ /dev/null @@ -1,455 +0,0 @@ -/* -*- 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 "converteuctw.h" -#include "context.h" -#include "converter.h" -#include "tenchelp.h" -#include "unichars.h" -#include "rtl/alloc.h" -#include "rtl/textcvt.h" -#include "sal/types.h" - -typedef enum -{ - IMPL_EUC_TW_TO_UNICODE_STATE_0, - IMPL_EUC_TW_TO_UNICODE_STATE_1, - IMPL_EUC_TW_TO_UNICODE_STATE_2_1, - IMPL_EUC_TW_TO_UNICODE_STATE_2_2, - IMPL_EUC_TW_TO_UNICODE_STATE_2_3 -} ImplEucTwToUnicodeState; - -typedef struct -{ - ImplEucTwToUnicodeState m_eState; - sal_Int32 m_nPlane; /* 0--15 */ - sal_Int32 m_nRow; /* 0--93 */ -} ImplEucTwToUnicodeContext; - -void * ImplCreateEucTwToUnicodeContext(void) -{ - void * pContext = rtl_allocateMemory(sizeof (ImplEucTwToUnicodeContext)); - ((ImplEucTwToUnicodeContext *) pContext)->m_eState - = IMPL_EUC_TW_TO_UNICODE_STATE_0; - return pContext; -} - -void ImplResetEucTwToUnicodeContext(void * pContext) -{ - if (pContext) - ((ImplEucTwToUnicodeContext *) pContext)->m_eState - = IMPL_EUC_TW_TO_UNICODE_STATE_0; -} - -sal_Size ImplConvertEucTwToUnicode(ImplTextConverterData const * pData, - void * pContext, - sal_Char const * pSrcBuf, - sal_Size nSrcBytes, - sal_Unicode * pDestBuf, - sal_Size nDestChars, - sal_uInt32 nFlags, - sal_uInt32 * pInfo, - sal_Size * pSrcCvtBytes) -{ - sal_uInt16 const * pCns116431992Data - = ((ImplEucTwConverterData const *) pData)-> - m_pCns116431992ToUnicodeData; - sal_Int32 const * pCns116431992RowOffsets - = ((ImplEucTwConverterData const *) pData)-> - m_pCns116431992ToUnicodeRowOffsets; - sal_Int32 const * pCns116431992PlaneOffsets - = ((ImplEucTwConverterData const *) pData)-> - m_pCns116431992ToUnicodePlaneOffsets; - ImplEucTwToUnicodeState eState = IMPL_EUC_TW_TO_UNICODE_STATE_0; - sal_Int32 nPlane = 0; - sal_Int32 nRow = 0; - sal_uInt32 nInfo = 0; - sal_Size nConverted = 0; - sal_Unicode * pDestBufPtr = pDestBuf; - sal_Unicode * pDestBufEnd = pDestBuf + nDestChars; - - if (pContext) - { - eState = ((ImplEucTwToUnicodeContext *) pContext)->m_eState; - nPlane = ((ImplEucTwToUnicodeContext *) pContext)->m_nPlane; - nRow = ((ImplEucTwToUnicodeContext *) pContext)->m_nRow; - } - - for (; nConverted < nSrcBytes; ++nConverted) - { - sal_Bool bUndefined = sal_True; - sal_uInt32 nChar = *(sal_uChar const *) pSrcBuf++; - switch (eState) - { - case IMPL_EUC_TW_TO_UNICODE_STATE_0: - if (nChar < 0x80) - if (pDestBufPtr != pDestBufEnd) - *pDestBufPtr++ = (sal_Unicode) nChar; - else - goto no_output; - else if (nChar >= 0xA1 && nChar <= 0xFE) - { - nRow = nChar - 0xA1; - eState = IMPL_EUC_TW_TO_UNICODE_STATE_1; - } - else if (nChar == 0x8E) - eState = IMPL_EUC_TW_TO_UNICODE_STATE_2_1; - else - { - bUndefined = sal_False; - goto bad_input; - } - break; - - case IMPL_EUC_TW_TO_UNICODE_STATE_1: - if (nChar >= 0xA1 && nChar <= 0xFE) - { - nPlane = 0; - goto transform; - } - else - { - bUndefined = sal_False; - goto bad_input; - } - break; - - case IMPL_EUC_TW_TO_UNICODE_STATE_2_1: - if (nChar >= 0xA1 && nChar <= 0xB0) - { - nPlane = nChar - 0xA1; - ++eState; - } - else - { - bUndefined = sal_False; - goto bad_input; - } - break; - - case IMPL_EUC_TW_TO_UNICODE_STATE_2_2: - if (nChar >= 0xA1 && nChar <= 0xFE) - { - nRow = nChar - 0xA1; - ++eState; - } - else - { - bUndefined = sal_False; - goto bad_input; - } - break; - - case IMPL_EUC_TW_TO_UNICODE_STATE_2_3: - if (nChar >= 0xA1 && nChar <= 0xFE) - goto transform; - else - { - bUndefined = sal_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]; - if (nOffset == -1) - goto bad_input; - else - { - sal_uInt32 nFirstLast = pCns116431992Data[nOffset++]; - sal_uInt32 nFirst = nFirstLast & 0xFF; - sal_uInt32 nLast = nFirstLast >> 8; - nChar -= 0xA0; - 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 = IMPL_EUC_TW_TO_UNICODE_STATE_0; - } - } - continue; - } - - bad_input: - switch (ImplHandleBadInputTextToUnicodeConversion( - bUndefined, sal_True, 0, nFlags, &pDestBufPtr, pDestBufEnd, - &nInfo)) - { - case IMPL_BAD_INPUT_STOP: - eState = IMPL_EUC_TW_TO_UNICODE_STATE_0; - break; - - case IMPL_BAD_INPUT_CONTINUE: - eState = IMPL_EUC_TW_TO_UNICODE_STATE_0; - continue; - - case IMPL_BAD_INPUT_NO_OUTPUT: - goto no_output; - } - break; - - no_output: - --pSrcBuf; - nInfo |= RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOSMALL; - break; - } - - if (eState != IMPL_EUC_TW_TO_UNICODE_STATE_0 - && (nInfo & (RTL_TEXTTOUNICODE_INFO_ERROR - | RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOSMALL)) - == 0) - { - if ((nFlags & RTL_TEXTTOUNICODE_FLAGS_FLUSH) == 0) - nInfo |= RTL_TEXTTOUNICODE_INFO_SRCBUFFERTOSMALL; - else - switch (ImplHandleBadInputTextToUnicodeConversion( - sal_False, sal_True, 0, nFlags, &pDestBufPtr, - pDestBufEnd, &nInfo)) - { - case IMPL_BAD_INPUT_STOP: - case IMPL_BAD_INPUT_CONTINUE: - eState = IMPL_EUC_TW_TO_UNICODE_STATE_0; - break; - - case IMPL_BAD_INPUT_NO_OUTPUT: - nInfo |= RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOSMALL; - break; - } - } - - if (pContext) - { - ((ImplEucTwToUnicodeContext *) pContext)->m_eState = eState; - ((ImplEucTwToUnicodeContext *) pContext)->m_nPlane = nPlane; - ((ImplEucTwToUnicodeContext *) pContext)->m_nRow = nRow; - } - if (pInfo) - *pInfo = nInfo; - if (pSrcCvtBytes) - *pSrcCvtBytes = nConverted; - - return pDestBufPtr - pDestBuf; -} - -sal_Size ImplConvertUnicodeToEucTw(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) -{ - sal_uInt8 const * pCns116431992Data - = ((ImplEucTwConverterData const *) pData)-> - m_pUnicodeToCns116431992Data; - sal_Int32 const * pCns116431992PageOffsets - = ((ImplEucTwConverterData const *) pData)-> - m_pUnicodeToCns116431992PageOffsets; - sal_Int32 const * pCns116431992PlaneOffsets - = ((ImplEucTwConverterData const *) pData)-> - m_pUnicodeToCns116431992PlaneOffsets; - sal_Unicode nHighSurrogate = 0; - sal_uInt32 nInfo = 0; - sal_Size nConverted = 0; - sal_Char * pDestBufPtr = pDestBuf; - sal_Char * pDestBufEnd = pDestBuf + nDestBytes; - - if (pContext) - nHighSurrogate - = ((ImplUnicodeToTextContext *) pContext)->m_nHighSurrogate; - - 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 < 0x80) - if (pDestBufPtr != pDestBufEnd) - *pDestBufPtr++ = (sal_Char) nChar; - 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 == 0) - goto bad_input; - if (pDestBufEnd - pDestBufPtr < (nPlane == 1 ? 2 : 4)) - goto no_output; - if (nPlane != 1) - { - *pDestBufPtr++ = (sal_Char) (unsigned char) 0x8E; - *pDestBufPtr++ = (sal_Char) (0xA0 + nPlane); - } - *pDestBufPtr++ = (sal_Char) (0xA0 + pCns116431992Data[nOffset++]); - *pDestBufPtr++ = (sal_Char) (0xA0 + pCns116431992Data[nOffset]); - } - nHighSurrogate = 0; - continue; - - bad_input: - switch (ImplHandleBadInputUnicodeToTextConversion(bUndefined, - nChar, - nFlags, - &pDestBufPtr, - pDestBufEnd, - &nInfo, - NULL, - 0, - NULL)) - { - case IMPL_BAD_INPUT_STOP: - nHighSurrogate = 0; - break; - - case IMPL_BAD_INPUT_CONTINUE: - nHighSurrogate = 0; - continue; - - case IMPL_BAD_INPUT_NO_OUTPUT: - goto no_output; - } - break; - - no_output: - --pSrcBuf; - nInfo |= RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL; - break; - } - - if (nHighSurrogate != 0 - && (nInfo & (RTL_UNICODETOTEXT_INFO_ERROR - | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL)) - == 0) - { - if ((nFlags & RTL_UNICODETOTEXT_FLAGS_FLUSH) != 0) - nInfo |= RTL_UNICODETOTEXT_INFO_SRCBUFFERTOSMALL; - else - switch (ImplHandleBadInputUnicodeToTextConversion(sal_False, - 0, - nFlags, - &pDestBufPtr, - pDestBufEnd, - &nInfo, - NULL, - 0, - NULL)) - { - case IMPL_BAD_INPUT_STOP: - case IMPL_BAD_INPUT_CONTINUE: - nHighSurrogate = 0; - break; - - case IMPL_BAD_INPUT_NO_OUTPUT: - nInfo |= RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL; - break; - } - } - - if (pContext) - ((ImplUnicodeToTextContext *) pContext)->m_nHighSurrogate - = nHighSurrogate; - if (pInfo) - *pInfo = nInfo; - if (pSrcCvtChars) - *pSrcCvtChars = nConverted; - - return pDestBufPtr - pDestBuf; -} - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |