summaryrefslogtreecommitdiff
path: root/sal/textenc/converteuctw.c
diff options
context:
space:
mode:
Diffstat (limited to 'sal/textenc/converteuctw.c')
-rw-r--r--sal/textenc/converteuctw.c455
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: */