initial import

1 files changed, 407 insertions, 0 deletions

diff --git a/sal/textenc/tcvtbyte.c b/sal/textenc/tcvtbyte.c
new file mode 100644
index 000000000000..0e1e2d5e821b
--- /dev/null
+++ b/sal/textenc/tcvtbyte.c
@@ -0,0 +1,407 @@
+/*************************************************************************
+ *
+ *  $RCSfile: tcvtbyte.c,v $
+ *
+ *  $Revision: 1.1.1.1 $
+ *
+ *  last change: $Author: hr $ $Date: 2000-09-18 15:17:28 $
+ *
+ *  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_TCVTBYTE_C
+
+#ifndef _RTL_TENCHELP_H
+#include <tenchelp.h>
+#endif
+#ifndef _RTL_TEXTCVT_H
+#include <rtl/textcvt.h>
+#endif
+
+/* ======================================================================= */
+
+sal_Size ImplSymbolToUnicode( 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_Unicode*            pEndDestBuf;
+    const sal_Char*         pEndSrcBuf;
+
+    *pInfo = 0;
+    pEndDestBuf = pDestBuf+nDestChars;
+    pEndSrcBuf  = pSrcBuf+nSrcBytes;
+    while ( pSrcBuf < pEndSrcBuf )
+    {
+        if ( pDestBuf == pEndDestBuf )
+        {
+            *pInfo |= RTL_TEXTTOUNICODE_INFO_ERROR | RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOSMALL;
+            break;
+        }
+
+        /* 0-31 (all Control-Character get the same Unicode value) */
+        c = (sal_uChar)*pSrcBuf;
+        if ( c <= 0x1F )
+            *pDestBuf = (sal_Unicode)c;
+        else
+            *pDestBuf = ((sal_Unicode)c)+0xF000;
+        pDestBuf++;
+        pSrcBuf++;
+    }
+
+    *pSrcCvtBytes = nSrcBytes - (pEndSrcBuf-pSrcBuf);
+    return (nDestChars - (pEndDestBuf-pDestBuf));
+}
+
+/* ----------------------------------------------------------------------- */
+
+sal_Size ImplUnicodeToSymbol( 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_Unicode             c;
+    sal_Char*               pEndDestBuf;
+    const sal_Unicode*      pEndSrcBuf;
+
+    *pInfo = 0;
+    pEndDestBuf = pDestBuf+nDestBytes;
+    pEndSrcBuf  = pSrcBuf+nSrcChars;
+    while ( pSrcBuf < pEndSrcBuf )
+    {
+        if ( pDestBuf == pEndDestBuf )
+        {
+            *pInfo |= RTL_UNICODETOTEXT_INFO_ERROR | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
+            break;
+        }
+
+        c = *pSrcBuf;
+        if ( (c >= 0xF000) && (c <= 0xF0FF) )
+        {
+            *pDestBuf = (sal_Char)(sal_uChar)(c-0xF000);
+            pDestBuf++;
+            pSrcBuf++;
+        }
+        // Normally 0x001F, but in many cases also symbol characters
+        // are stored in the first 256 bytes, so that we don't change
+        // these values
+        else if ( c <= 0x00FF )
+        {
+            *pDestBuf = (sal_Char)(sal_uChar)c;
+            pDestBuf++;
+            pSrcBuf++;
+        }
+        else
+        {
+            if ( nFlags & RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACE )
+            {
+                /* !!! */
+                /* Only ascii  characters < 0x1F */
+            }
+
+            /* 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;
+        }
+    }
+
+    *pSrcCvtChars = nSrcChars - (pEndSrcBuf-pSrcBuf);
+    return (nDestBytes - (pEndDestBuf-pDestBuf));
+}
+
+/* ======================================================================= */
+
+sal_Size ImplCharToUnicode( 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_Unicode                 cConv;
+    const ImplByteConvertData*  pConvertData = (const ImplByteConvertData*)(pData->mpConvertTables);
+    sal_Unicode*                pEndDestBuf;
+    const sal_Char*             pEndSrcBuf;
+
+    *pInfo = 0;
+    pEndDestBuf = pDestBuf+nDestChars;
+    pEndSrcBuf  = pSrcBuf+nSrcBytes;
+    while ( pSrcBuf < pEndSrcBuf )
+    {
+        c = (sal_uChar)*pSrcBuf;
+        if ( c < 0x80 )
+            cConv = c;
+        else
+        {
+            if ( (c >= pConvertData->mnToUniStart1) && (c <= pConvertData->mnToUniEnd1) )
+                cConv = pConvertData->mpToUniTab1[c-pConvertData->mnToUniStart1];
+            else if ( (c >= pConvertData->mnToUniStart2) && (c <= pConvertData->mnToUniEnd2) )
+                cConv = pConvertData->mpToUniTab2[c-pConvertData->mnToUniStart2];
+            else
+                cConv = 0;
+            if ( !cConv )
+            {
+                *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( c, nFlags, pData );
+            }
+        }
+
+        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));
+}
+
+/* ----------------------------------------------------------------------- */
+
+static sal_Char ImplConvertUnicodeCharToChar( const ImplByteConvertData* pConvertData,
+                                              sal_Unicode c )
+{
+    sal_Char                    cConv;
+    const ImplUniCharTabData*   pToCharExTab;
+
+    if ( c < 0x80 )
+        cConv = (sal_Char)c;
+    else
+    {
+        if ( (c >= pConvertData->mnToCharStart1) && (c <= pConvertData->mnToCharEnd1) )
+            cConv = (sal_Char)pConvertData->mpToCharTab1[c-pConvertData->mnToCharStart1];
+        else if ( (c >= pConvertData->mnToCharStart2) && (c <= pConvertData->mnToCharEnd2) )
+            cConv = (sal_Char)pConvertData->mpToCharTab2[c-pConvertData->mnToCharStart2];
+        else
+        {
+            cConv = 0x00;
+
+            pToCharExTab = pConvertData->mpToCharExTab;
+            if ( pToCharExTab )
+            {
+                sal_uInt16                  nLow;
+                sal_uInt16                  nHigh;
+                sal_uInt16                  nMid;
+                sal_uInt16                  nCompareChar;
+                const ImplUniCharTabData*   pCharExData;
+
+                nLow = 0;
+                nHigh = pConvertData->mnToCharExCount-1;
+                do
+                {
+                    nMid = (nLow+nHigh)/2;
+                    pCharExData = pToCharExTab+nMid;
+                    nCompareChar = pCharExData->mnUniChar;
+                    if ( c < nCompareChar )
+                    {
+                        if ( !nMid )
+                            break;
+                        nHigh = nMid-1;
+                    }
+                    else
+                    {
+                        if ( c > nCompareChar )
+                            nLow = nMid+1;
+                        else
+                        {
+                            cConv = (sal_Char)pCharExData->mnChar;
+                            break;
+                        }
+                    }
+                }
+                while ( nLow <= nHigh );
+            }
+        }
+    }
+
+    return cConv;
+}
+
+/* ----------------------------------------------------------------------- */
+
+sal_Size ImplUnicodeToChar( 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_Unicode                 c;
+    sal_Char                    cConv;
+    const ImplByteConvertData*  pConvertData = (const ImplByteConvertData*)(pData->mpConvertTables);
+    sal_Char*                   pEndDestBuf;
+    const sal_Unicode*          pEndSrcBuf;
+    int                         i;
+    int                         n;
+    sal_uInt16                  cTemp;
+    sal_Char                    aTempBuf[IMPL_MAX_REPLACECHAR+1];
+    const sal_uInt16*           pReplace;
+
+    *pInfo = 0;
+    pEndDestBuf = pDestBuf+nDestBytes;
+    pEndSrcBuf  = pSrcBuf+nSrcChars;
+    while ( pSrcBuf < pEndSrcBuf )
+    {
+        c = *pSrcBuf;
+        if ( c < 0x80 )
+            cConv = (sal_Char)c;
+        else
+        {
+            cConv = ImplConvertUnicodeCharToChar( pConvertData, c );
+
+            if ( !cConv )
+            {
+                if ( nFlags & RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACE )
+                {
+                    cTemp = ImplGetReplaceChar( c );
+                    if ( cTemp )
+                        cConv = ImplConvertUnicodeCharToChar( pConvertData, cTemp );
+                }
+
+                if ( !cConv )
+                {
+                    if ( nFlags & RTL_UNICODETOTEXT_FLAGS_UNDEFINED_REPLACESTR )
+                    {
+                        pReplace = ImplGetReplaceString( c );
+                        if ( pReplace )
+                        {
+                            i = 0;
+                            while ( *pReplace && (i < IMPL_MAX_REPLACECHAR) )
+                            {
+                                cConv = ImplConvertUnicodeCharToChar( pConvertData, *pReplace );
+                                if ( !cConv )
+                                    break;
+                                aTempBuf[i] = cConv;
+                                pReplace++;
+                                i++;
+                            }
+
+                            if ( cConv )
+                            {
+                                if ( pDestBuf+i >= pEndDestBuf )
+                                {
+                                    *pInfo |= RTL_UNICODETOTEXT_INFO_ERROR | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
+                                    break;
+                                }
+
+                                n = 0;
+                                while ( n < i )
+                                {
+                                    *pDestBuf = aTempBuf[n];
+                                    pDestBuf++;
+                                    n++;
+                                }
+                                pSrcBuf++;
+                                continue;
+                            }
+                        }
+                    }
+
+                    /* 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;
+                }
+            }
+        }
+
+        if ( pDestBuf == pEndDestBuf )
+        {
+            *pInfo |= RTL_UNICODETOTEXT_INFO_ERROR | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL;
+            break;
+        }
+
+        *pDestBuf = cConv;
+        pDestBuf++;
+        pSrcBuf++;
+    }
+
+    *pSrcCvtChars = nSrcChars - (pEndSrcBuf-pSrcBuf);
+    return (nDestBytes - (pEndDestBuf-pDestBuf));
+}
+