summaryrefslogtreecommitdiff
path: root/sal/textenc/tcvtmb.c
diff options
context:
space:
mode:
Diffstat (limited to 'sal/textenc/tcvtmb.c')
-rw-r--r--sal/textenc/tcvtmb.c745
1 files changed, 745 insertions, 0 deletions
diff --git a/sal/textenc/tcvtmb.c b/sal/textenc/tcvtmb.c
new file mode 100644
index 000000000..2dd3d4adc
--- /dev/null
+++ b/sal/textenc/tcvtmb.c
@@ -0,0 +1,745 @@
+/*************************************************************************
+ *
+ * $RCSfile: tcvtmb.c,v $
+ *
+ * $Revision: 1.1.1.1 $
+ *
+ * last change: $Author: hr $ $Date: 2000-09-18 15:17:29 $
+ *
+ * The Contents of this file are made available subject to the terms of
+ * either of the following licenses
+ *
+ * - GNU Lesser General Public License Version 2.1
+ * - Sun Industry Standards Source License Version 1.1
+ *
+ * Sun Microsystems Inc., October, 2000
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2000 by Sun Microsystems, Inc.
+ * 901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software Foundation.
+ *
+ * This library 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 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Sun Industry Standards Source License Version 1.1
+ * =================================================
+ * The contents of this file are subject to the Sun Industry Standards
+ * Source License Version 1.1 (the "License"); You may not use this file
+ * except in compliance with the License. You may obtain a copy of the
+ * License at http://www.openoffice.org/license.html.
+ *
+ * Software provided under this License is provided on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ * See the License for the specific provisions governing your rights and
+ * obligations concerning the Software.
+ *
+ * The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ * Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ * All Rights Reserved.
+ *
+ * Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#define _RTL_TCVTMB_C
+
+#ifndef _RTL_TENCHELP_H
+#include <tenchelp.h>
+#endif
+#ifndef _RTL_TEXTCVT_H
+#include <rtl/textcvt.h>
+#endif
+
+/* ======================================================================= */
+
+/* DBCS to Unicode conversion routine use a lead table for the first byte, */
+/* where we determine the trail table or for single byte chars the unicode */
+/* value. We have for all lead byte a separate table, because we can */
+/* then share many tables for diffrent charset encodings. */
+
+/* ======================================================================= */
+
+sal_Size ImplDBCSToUnicode( const ImplTextConverterData* pData, void* pContext,
+ const sal_Char* pSrcBuf, sal_Size nSrcBytes,
+ sal_Unicode* pDestBuf, sal_Size nDestChars,
+ sal_uInt32 nFlags, sal_uInt32* pInfo,
+ sal_Size* pSrcCvtBytes )
+{
+ sal_uChar cLead;
+ sal_uChar cTrail;
+ sal_Unicode cConv;
+ const ImplDBCSToUniLeadTab* pLeadEntry;
+ const ImplDBCSConvertData* pConvertData = (const ImplDBCSConvertData*)(pData->mpConvertTables);
+ const ImplDBCSToUniLeadTab* pLeadTab = pConvertData->mpToUniLeadTab;
+ sal_Unicode* pEndDestBuf;
+ const sal_Char* pEndSrcBuf;
+
+ *pInfo = 0;
+ pEndDestBuf = pDestBuf+nDestChars;
+ pEndSrcBuf = pSrcBuf+nSrcBytes;
+ while ( pSrcBuf < pEndSrcBuf )
+ {
+ cLead = (sal_uChar)*pSrcBuf;
+
+ /* get entry for the lead byte */
+ pLeadEntry = pLeadTab+cLead;
+
+ /* SingleByte char? */
+ if ( !pLeadEntry->mpToUniTrailTab )
+ {
+ cConv = pLeadEntry->mnUniChar;
+ if ( !cConv && (cLead != 0) )
+ {
+ *pInfo |= RTL_TEXTTOUNICODE_INFO_UNDEFINED;
+ if ( (nFlags & RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MASK) == RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR )
+ {
+ *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR;
+ break;
+ }
+ else if ( (nFlags & RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MASK) == RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_IGNORE )
+ {
+ pSrcBuf++;
+ continue;
+ }
+ else
+ cConv = ImplGetUndefinedUnicodeChar( cLead, nFlags, pData );
+ }
+ }
+ else
+ {
+ /* Source buffer to small */
+ if ( pSrcBuf == pEndSrcBuf )
+ {
+ *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR | RTL_TEXTTOUNICODE_INFO_SRCBUFFERTOSMALL;
+ break;
+ }
+
+ pSrcBuf++;
+ cTrail = (sal_uChar)*pSrcBuf;
+ if ( (cTrail >= pLeadEntry->mnTrailStart) && (cTrail <= pLeadEntry->mnTrailEnd) )
+ cConv = pLeadEntry->mpToUniTrailTab[cTrail-pLeadEntry->mnTrailStart];
+ else
+ cConv = 0;
+
+ if ( !cConv )
+ {
+ /* EUC Ranges */
+ sal_uInt16 i;
+ const ImplDBCSEUCData* pEUCTab = pConvertData->mpEUCTab;
+ for ( i = 0; i < pConvertData->mnEUCCount; i++ )
+ {
+ if ( (cLead >= pEUCTab->mnLeadStart) &&
+ (cLead <= pEUCTab->mnLeadEnd) )
+ {
+ sal_uInt16 nTrailCount = 0;
+ if ( (cTrail >= pEUCTab->mnTrail1Start) &&
+ (cTrail <= pEUCTab->mnTrail1End) )
+ {
+ cConv = pEUCTab->mnUniStart+
+ ((cLead-pEUCTab->mnLeadStart)*pEUCTab->mnTrailRangeCount)+
+ (cTrail-pEUCTab->mnTrail1Start);
+ break;
+ }
+ else
+ {
+ nTrailCount = pEUCTab->mnTrail1End-pEUCTab->mnTrail1Start+1;
+ if ( (pEUCTab->mnTrailCount >= 2) &&
+ (cTrail >= pEUCTab->mnTrail2Start) &&
+ (cTrail <= pEUCTab->mnTrail2End) )
+ {
+ cConv = pEUCTab->mnUniStart+
+ ((cLead-pEUCTab->mnLeadStart)*pEUCTab->mnTrailRangeCount)+
+ nTrailCount+
+ (cTrail-pEUCTab->mnTrail2Start);
+ break;
+ }
+ else
+ {
+ nTrailCount = pEUCTab->mnTrail2End-pEUCTab->mnTrail2Start+1;
+ if ( (pEUCTab->mnTrailCount >= 3) &&
+ (cTrail >= pEUCTab->mnTrail3Start) &&
+ (cTrail <= pEUCTab->mnTrail3End) )
+ {
+ cConv = pEUCTab->mnUniStart+
+ ((cLead-pEUCTab->mnLeadStart)*pEUCTab->mnTrailRangeCount)+
+ nTrailCount+
+ (cTrail-pEUCTab->mnTrail3Start);
+ break;
+ }
+ }
+ }
+ }
+
+ pEUCTab++;
+ }
+
+ if ( !cConv )
+ {
+ /* Wir vergleichen den kompletten Trailbereich den wir */
+ /* definieren, der normalerweise groesser sein kann als */
+ /* der definierte. Dies machen wir, damit Erweiterungen von */
+ /* uns nicht beruecksichtigten Encodings so weit wie */
+ /* moeglich auch richtig zu behandeln, das double byte */
+ /* characters auch als ein einzelner Character behandelt */
+ /* wird. */
+ if ( (cTrail < pConvertData->mnTrailStart) || (cTrail > pConvertData->mnTrailEnd) )
+ {
+ *pInfo |= RTL_TEXTTOUNICODE_INFO_INVALID;
+ if ( (nFlags & RTL_TEXTTOUNICODE_FLAGS_INVALID_MASK) == RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR )
+ {
+ *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR;
+ break;
+ }
+ else if ( (nFlags & RTL_TEXTTOUNICODE_FLAGS_INVALID_MASK) == RTL_TEXTTOUNICODE_FLAGS_INVALID_IGNORE )
+ {
+ pSrcBuf++;
+ continue;
+ }
+ else
+ cConv = RTL_UNICODE_CHAR_DEFAULT;
+ }
+ else
+ {
+ *pInfo |= RTL_TEXTTOUNICODE_INFO_MBUNDEFINED;
+ if ( (nFlags & RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_MASK) == RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR )
+ {
+ *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR;
+ break;
+ }
+ else if ( (nFlags & RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_MASK) == RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_IGNORE )
+ {
+ pSrcBuf++;
+ continue;
+ }
+ else
+ cConv = RTL_UNICODE_CHAR_DEFAULT;
+ }
+ }
+ }
+ }
+
+ if ( pDestBuf == pEndDestBuf )
+ {
+ *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR | RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOSMALL;
+ break;
+ }
+
+ *pDestBuf = cConv;
+ pDestBuf++;
+ pSrcBuf++;
+ }
+
+ *pSrcCvtBytes = nSrcBytes - (pEndSrcBuf-pSrcBuf);
+ return (nDestChars - (pEndDestBuf-pDestBuf));
+}
+
+/* ----------------------------------------------------------------------- */
+
+sal_Size ImplUnicodeToDBCS( const ImplTextConverterData* pData, void* pContext,
+ const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
+ sal_Char* pDestBuf, sal_Size nDestBytes,
+ sal_uInt32 nFlags, sal_uInt32* pInfo,
+ sal_Size* pSrcCvtChars )
+{
+ int nAction;
+ sal_uInt16 cConv;
+ sal_Unicode c;
+ sal_uChar nHighChar;
+ sal_uChar nLowChar;
+ const ImplUniToDBCSHighTab* pHighEntry;
+ const ImplDBCSConvertData* pConvertData = (const ImplDBCSConvertData*)(pData->mpConvertTables);
+ const ImplUniToDBCSHighTab* pHighTab = pConvertData->mpToDBCSHighTab;
+ sal_Char* pEndDestBuf;
+ const sal_Unicode* pEndSrcBuf;
+
+ *pInfo = 0;
+ pEndDestBuf = pDestBuf+nDestBytes;
+ pEndSrcBuf = pSrcBuf+nSrcChars;
+ while ( pSrcBuf < pEndSrcBuf )
+ {
+ c = *pSrcBuf;
+ nHighChar = (sal_uChar)((c >> 8) & 0xFF);
+ nLowChar = (sal_uChar)(c & 0xFF);
+
+ /* get entry for the high byte */
+ pHighEntry = pHighTab+nHighChar;
+
+ /* is low byte in the table range */
+ if ( (nLowChar >= pHighEntry->mnLowStart) && (nLowChar <= pHighEntry->mnLowEnd) )
+ cConv = pHighEntry->mpToUniTrailTab[nLowChar-pHighEntry->mnLowStart];
+ else
+ cConv = 0;
+
+ if ( !cConv && !c )
+ {
+ /* EUC Ranges */
+ sal_uInt16 i;
+ const ImplDBCSEUCData* pEUCTab = pConvertData->mpEUCTab;
+ for ( i = 0; i < pConvertData->mnEUCCount; i++ )
+ {
+ if ( (c >= pEUCTab->mnUniStart) && (c <= pEUCTab->mnUniEnd) )
+ {
+ sal_uInt16 nLead = (c-pEUCTab->mnUniStart) / pEUCTab->mnTrailRangeCount;
+ sal_uInt16 nOff = c-(nLead*pEUCTab->mnTrailRangeCount);
+ cConv = pEUCTab->mnLeadStart+nLead;
+ cConv <<= 8;
+ if ( nOff < (pEUCTab->mnTrail1End-pEUCTab->mnTrail1Start+1) )
+ cConv += pEUCTab->mnTrail1Start+nOff;
+ else
+ {
+ nOff -= pEUCTab->mnTrail1End-pEUCTab->mnTrail1Start+1;
+ if ( nOff < (pEUCTab->mnTrail2End-pEUCTab->mnTrail2Start+1) )
+ cConv += pEUCTab->mnTrail2Start+nOff;
+ else
+ {
+ nOff -= pEUCTab->mnTrail2End-pEUCTab->mnTrail2Start+1;
+ cConv += pEUCTab->mnTrail3Start+nOff;
+ }
+ }
+
+ break;
+ }
+
+ pEUCTab++;
+ }
+
+ if ( (c >= 0xF100) && (c <= 0xF1FF) )
+ {
+ if ( nFlags & RTL_UNICODETOTEXT_FLAGS_PRIVATE_MAPTO0 )
+ cConv = (sal_Char)(sal_uChar)(c & 0xFF);
+ }
+
+ if ( !cConv )
+ {
+ if ( nFlags & RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACE )
+ {
+ /* !!! */
+ }
+
+ if ( nFlags & RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACESTR )
+ {
+ /* !!! */
+ }
+
+ /* Handle undefined and surrogates characters */
+ /* (all surrogates characters are undefined) */
+ nAction = ImplHandleUndefinedUnicodeToTextChar( pData,
+ &pSrcBuf, pEndSrcBuf,
+ &pDestBuf, pEndDestBuf,
+ nFlags, pInfo );
+ if ( nAction == IMPL_TEXTCVT_BREAK )
+ break;
+ else
+ continue;
+ }
+ }
+
+ /* SingleByte */
+ if ( !(cConv & 0xFF00) )
+ {
+ if ( pDestBuf == pEndDestBuf )
+ {
+ *pInfo |= RTL_UNICODETOTEXT_INFO_ERROR | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
+ break;
+ }
+
+ *pDestBuf = (sal_Char)(sal_uChar)(cConv & 0xFF);
+ pDestBuf++;
+ }
+ else
+ {
+ if ( pDestBuf+1 >= pEndDestBuf )
+ {
+ *pInfo |= RTL_UNICODETOTEXT_INFO_ERROR | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
+ break;
+ }
+
+ *pDestBuf = (sal_Char)(sal_uChar)((cConv >> 8) & 0xFF);
+ pDestBuf++;
+ *pDestBuf = (sal_Char)(sal_uChar)(cConv & 0xFF);
+ pDestBuf++;
+ }
+
+ pSrcBuf++;
+ }
+
+ *pSrcCvtChars = nSrcChars - (pEndSrcBuf-pSrcBuf);
+ return (nDestBytes - (pEndDestBuf-pDestBuf));
+}
+
+/* ======================================================================= */
+
+#define JIS_EUC_LEAD_OFF 0x80
+#define JIS_EUC_TRAIL_OFF 0x80
+
+/* ----------------------------------------------------------------------- */
+
+sal_Size ImplEUCJPToUnicode( const ImplTextConverterData* pData,
+ void* pContext,
+ const sal_Char* pSrcBuf, sal_Size nSrcBytes,
+ sal_Unicode* pDestBuf, sal_Size nDestChars,
+ sal_uInt32 nFlags, sal_uInt32* pInfo,
+ sal_Size* pSrcCvtBytes )
+{
+ sal_uChar c;
+ sal_uChar cLead;
+ sal_uChar cTrail;
+ sal_Unicode cConv;
+ const ImplDBCSToUniLeadTab* pLeadEntry;
+ const ImplDBCSToUniLeadTab* pLeadTab;
+ const ImplEUCJPConvertData* pConvertData = (const ImplEUCJPConvertData*)(pData->mpConvertTables);
+ sal_Unicode* pEndDestBuf;
+ const sal_Char* pEndSrcBuf;
+
+ *pInfo = 0;
+ pEndDestBuf = pDestBuf+nDestChars;
+ pEndSrcBuf = pSrcBuf+nSrcBytes;
+ while ( pSrcBuf < pEndSrcBuf )
+ {
+ c = (sal_uChar)*pSrcBuf;
+
+ /* ASCII */
+ if ( c <= 0x7F )
+ cConv = c;
+ else
+ {
+ /* SS2 - Half-width katakana */
+ /* 8E + A1-DF */
+ if ( c == 0x8E )
+ {
+ /* Source buffer to small */
+ if ( pSrcBuf == pEndSrcBuf )
+ {
+ *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR | RTL_TEXTTOUNICODE_INFO_SRCBUFFERTOSMALL;
+ break;
+ }
+
+ pSrcBuf++;
+ c = (sal_uChar)*pSrcBuf;
+ if ( (c >= 0xA1) && (c <= 0xDF) )
+ cConv = 0xFF61+(c-0xA1);
+ else
+ {
+ cConv = 0;
+ cLead = 0x8E;
+ cTrail = c;
+ }
+ }
+ else
+ {
+ /* SS3 - JIS 0212-1990 */
+ /* 8F + A1-FE + A1-FE */
+ if ( c == 0x8F )
+ {
+ /* Source buffer to small */
+ if ( pSrcBuf+1 == pEndSrcBuf )
+ {
+ *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR | RTL_TEXTTOUNICODE_INFO_SRCBUFFERTOSMALL;
+ break;
+ }
+
+ pSrcBuf++;
+ cLead = (sal_uChar)*pSrcBuf;
+ pSrcBuf++;
+ cTrail = (sal_uChar)*pSrcBuf;
+ pLeadTab = pConvertData->mpJIS0212ToUniLeadTab;
+ }
+ /* CodeSet 2 JIS 0208-1997 */
+ /* A1-FE + A1-FE */
+ else
+ {
+ /* Source buffer to small */
+ if ( pSrcBuf == pEndSrcBuf )
+ {
+ *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR | RTL_TEXTTOUNICODE_INFO_SRCBUFFERTOSMALL;
+ break;
+ }
+
+ cLead = c;
+ pSrcBuf++;
+ cTrail = (sal_uChar)*pSrcBuf;
+ pLeadTab = pConvertData->mpJIS0208ToUniLeadTab;
+ }
+
+ /* Undefined Range */
+ if ( (cLead < JIS_EUC_LEAD_OFF) || (cTrail < JIS_EUC_TRAIL_OFF) )
+ cConv = 0;
+ else
+ {
+ cLead -= JIS_EUC_LEAD_OFF;
+ cTrail -= JIS_EUC_TRAIL_OFF;
+ pLeadEntry = pLeadTab+cLead;
+ if ( (cTrail >= pLeadEntry->mnTrailStart) && (cTrail <= pLeadEntry->mnTrailEnd) )
+ cConv = pLeadEntry->mpToUniTrailTab[cTrail-pLeadEntry->mnTrailStart];
+ else
+ cConv = 0;
+ }
+ }
+
+ if ( !cConv )
+ {
+ /* Wir vergleichen den kompletten Trailbereich den wir */
+ /* definieren, der normalerweise groesser sein kann als */
+ /* der definierte. Dies machen wir, damit Erweiterungen von */
+ /* uns nicht beruecksichtigten Encodings so weit wie */
+ /* moeglich auch richtig zu behandeln, das double byte */
+ /* characters auch als ein einzelner Character behandelt */
+ /* wird. */
+ if ( (cLead < JIS_EUC_LEAD_OFF) || (cTrail < JIS_EUC_TRAIL_OFF) )
+ {
+ *pInfo |= RTL_TEXTTOUNICODE_INFO_INVALID;
+ if ( (nFlags & RTL_TEXTTOUNICODE_FLAGS_INVALID_MASK) == RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR )
+ {
+ *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR;
+ break;
+ }
+ else if ( (nFlags & RTL_TEXTTOUNICODE_FLAGS_INVALID_MASK) == RTL_TEXTTOUNICODE_FLAGS_INVALID_IGNORE )
+ {
+ pSrcBuf++;
+ continue;
+ }
+ else
+ cConv = RTL_UNICODE_CHAR_DEFAULT;
+ }
+ else
+ {
+ *pInfo |= RTL_TEXTTOUNICODE_INFO_MBUNDEFINED;
+ if ( (nFlags & RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_MASK) == RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR )
+ {
+ *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR;
+ break;
+ }
+ else if ( (nFlags & RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_MASK) == RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_IGNORE )
+ {
+ pSrcBuf++;
+ continue;
+ }
+ else
+ cConv = RTL_UNICODE_CHAR_DEFAULT;
+ }
+ }
+ }
+
+ if ( pDestBuf == pEndDestBuf )
+ {
+ *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR | RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOSMALL;
+ break;
+ }
+
+ *pDestBuf = cConv;
+ pDestBuf++;
+ pSrcBuf++;
+ }
+
+ *pSrcCvtBytes = nSrcBytes - (pEndSrcBuf-pSrcBuf);
+ return (nDestChars - (pEndDestBuf-pDestBuf));
+}
+
+/* ----------------------------------------------------------------------- */
+
+sal_Size ImplUnicodeToEUCJP( const ImplTextConverterData* pData,
+ void* pContext,
+ const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
+ sal_Char* pDestBuf, sal_Size nDestBytes,
+ sal_uInt32 nFlags, sal_uInt32* pInfo,
+ sal_Size* pSrcCvtChars )
+{
+ int nAction;
+ sal_uInt32 cConv;
+ sal_Unicode c;
+ sal_uChar nHighChar;
+ sal_uChar nLowChar;
+ const ImplUniToDBCSHighTab* pHighEntry;
+ const ImplUniToDBCSHighTab* pHighTab;
+ const ImplEUCJPConvertData* pConvertData = (const ImplEUCJPConvertData*)(pData->mpConvertTables);
+ sal_Char* pEndDestBuf;
+ const sal_Unicode* pEndSrcBuf;
+
+ *pInfo = 0;
+ pEndDestBuf = pDestBuf+nDestBytes;
+ pEndSrcBuf = pSrcBuf+nSrcChars;
+ while ( pSrcBuf < pEndSrcBuf )
+ {
+ c = *pSrcBuf;
+
+ /* ASCII */
+ if ( c <= 0x7F )
+ cConv = c;
+ /* Half-width katakana */
+ else if ( (c >= 0xFF61) && (c <= 0xFF9F) )
+ cConv = 0x8E00+0xA1+(c-0xFF61);
+ else
+ {
+ nHighChar = (sal_uChar)((c >> 8) & 0xFF);
+ nLowChar = (sal_uChar)(c & 0xFF);
+
+ /* JIS 0208 */
+ pHighTab = pConvertData->mpUniToJIS0208HighTab;
+ pHighEntry = pHighTab+nHighChar;
+ if ( (nLowChar >= pHighEntry->mnLowStart) && (nLowChar <= pHighEntry->mnLowEnd) )
+ {
+ cConv = pHighEntry->mpToUniTrailTab[nLowChar-pHighEntry->mnLowStart];
+ cConv |= 0x8080;
+ }
+ else
+ cConv = 0;
+
+ /* JIS 0212 */
+ if ( !cConv )
+ {
+ pHighTab = pConvertData->mpUniToJIS0212HighTab;
+ pHighEntry = pHighTab+nHighChar;
+ if ( (nLowChar >= pHighEntry->mnLowStart) && (nLowChar <= pHighEntry->mnLowEnd) )
+ {
+ cConv = 0x8F0000+(pHighEntry->mpToUniTrailTab[nLowChar-pHighEntry->mnLowStart]);
+ cConv |= 0x8080;
+ }
+
+ if ( !cConv )
+ {
+ if ( nFlags & RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACE )
+ {
+ /* !!! */
+ }
+
+ if ( nFlags & RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACESTR )
+ {
+ /* !!! */
+ }
+
+ /* Handle undefined and surrogates characters */
+ /* (all surrogates characters are undefined) */
+ nAction = ImplHandleUndefinedUnicodeToTextChar( pData,
+ &pSrcBuf, pEndSrcBuf,
+ &pDestBuf, pEndDestBuf,
+ nFlags, pInfo );
+ if ( nAction == IMPL_TEXTCVT_BREAK )
+ break;
+ else
+ continue;
+ }
+ }
+ }
+
+ /* SingleByte */
+ if ( !(cConv & 0xFFFF00) )
+ {
+ if ( pDestBuf == pEndDestBuf )
+ {
+ *pInfo |= RTL_UNICODETOTEXT_INFO_ERROR | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
+ break;
+ }
+
+ *pDestBuf = (sal_Char)(sal_uChar)(cConv & 0xFF);
+ pDestBuf++;
+ }
+ /* DoubleByte */
+ else if ( !(cConv & 0xFF0000) )
+ {
+ if ( pDestBuf+1 >= pEndDestBuf )
+ {
+ *pInfo |= RTL_UNICODETOTEXT_INFO_ERROR | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
+ break;
+ }
+
+ *pDestBuf = (sal_Char)(sal_uChar)((cConv >> 8) & 0xFF);
+ pDestBuf++;
+ *pDestBuf = (sal_Char)(sal_uChar)(cConv & 0xFF);
+ pDestBuf++;
+ }
+ else
+ {
+ if ( pDestBuf+2 >= pEndDestBuf )
+ {
+ *pInfo |= RTL_UNICODETOTEXT_INFO_ERROR | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
+ break;
+ }
+
+ *pDestBuf = (sal_Char)(sal_uChar)((cConv >> 16) & 0xFF);
+ pDestBuf++;
+ *pDestBuf = (sal_Char)(sal_uChar)((cConv >> 8) & 0xFF);
+ pDestBuf++;
+ *pDestBuf = (sal_Char)(sal_uChar)(cConv & 0xFF);
+ pDestBuf++;
+ }
+
+ pSrcBuf++;
+ }
+
+ *pSrcCvtChars = nSrcChars - (pEndSrcBuf-pSrcBuf);
+ return (nDestBytes - (pEndDestBuf-pDestBuf));
+}
+
+/* ======================================================================= */
+
+sal_Size ImplUnicodeToJISX0208( const ImplTextConverterData* pData,
+ void* pContext,
+ const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
+ sal_Char* pDestBuf, sal_Size nDestBytes,
+ sal_uInt32 nFlags, sal_uInt32* pInfo,
+ sal_Size* pSrcCvtChars )
+{
+ sal_Unicode c;
+ sal_uChar nHighChar;
+ sal_uChar nLowChar;
+ const ImplUniToDBCSHighTab* pHighTab;
+ const ImplUniToDBCSHighTab* pHighEntry;
+ sal_uInt16 cConv;
+ sal_Char* pEndDestBuf;
+ const sal_Unicode* pEndSrcBuf;
+
+ pEndDestBuf = pDestBuf+nDestBytes;
+ pEndSrcBuf = pSrcBuf+nSrcChars;
+
+ *pInfo = 0;
+ pHighTab = (ImplUniToDBCSHighTab*)pData->mpConvertTables;
+
+ while ( pSrcBuf < pEndSrcBuf)
+ {
+ c = *pSrcBuf;
+ nHighChar = (sal_uChar)((c >> 8) & 0xFF);
+ nLowChar = (sal_uChar)(c & 0xFF);
+
+ pHighEntry = pHighTab + nHighChar;
+ if ( (nLowChar >= pHighEntry->mnLowStart) && (nLowChar <= pHighEntry->mnLowEnd) )
+ cConv = pHighEntry->mpToUniTrailTab[nLowChar-pHighEntry->mnLowStart];
+ else
+ cConv = 0;
+
+ if (cConv != 0)
+ {
+ if ( pDestBuf+1 >= pEndDestBuf )
+ {
+ *pInfo |= RTL_UNICODETOTEXT_INFO_ERROR | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
+ break;
+ }
+
+ *pDestBuf = (sal_Char)(sal_uChar)((cConv >> 8) & 0xFF);
+ pDestBuf++;
+ *pDestBuf = (sal_Char)(sal_uChar)(cConv & 0xFF);
+ pDestBuf++;
+ }
+ pSrcBuf++;
+ }
+
+ *pSrcCvtChars = nSrcChars - (pEndSrcBuf-pSrcBuf);
+ return (nDestBytes - (pEndDestBuf-pDestBuf));
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-05 03:02:50 +0000