LCOV - code coverage report
Current view: top level - libreoffice/vcl/source/fontsubset - xlat.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 12 75 16.0 %
Date: 2012-12-27 Functions: 4 17 23.5 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include "rtl/textcvt.h"
      21             : #include <tools/debug.hxx>
      22             : 
      23             : namespace { // anonymous namespace
      24             : 
      25             : // ====================================================================
      26             : 
      27             : #define MAX_CVT_SELECT 6
      28             : 
      29             : class ConverterCache
      30             : {
      31             : public:
      32             :     explicit    ConverterCache( void );
      33             :                 ~ConverterCache( void );
      34             :     sal_uInt16  convertOne( int nSelect, sal_Unicode );
      35             :     void        convertStr( int nSelect, const sal_Unicode* pSrc, sal_uInt16* pDst, int nCount );
      36             : protected:
      37             :     void        ensureConverter( int nSelect );
      38             : private:
      39             :     rtl_UnicodeToTextConverter maConverterCache[ MAX_CVT_SELECT+1 ];
      40             :     rtl_UnicodeToTextContext maContexts[ MAX_CVT_SELECT+1 ];
      41             : };
      42             : 
      43             : // ====================================================================
      44             : 
      45          36 : ConverterCache::ConverterCache( void)
      46             : {
      47         288 :     for( int i = 0; i <= MAX_CVT_SELECT; ++i)
      48             :     {
      49         252 :         maConverterCache[i] = NULL;
      50         252 :         maContexts[i] = NULL;
      51             :     }
      52          36 : }
      53             : 
      54             : // --------------------------------------------------------------------
      55             : 
      56          36 : ConverterCache::~ConverterCache( void)
      57             : {
      58         288 :     for( int i = 0; i <= MAX_CVT_SELECT; ++i)
      59             :     {
      60         252 :         if( !maContexts[i] )
      61         252 :             continue;
      62           0 :         rtl_destroyUnicodeToTextContext( maConverterCache[i], maContexts[i] );
      63           0 :         rtl_destroyUnicodeToTextConverter( maConverterCache[i] );
      64             :     }
      65          36 : }
      66             : 
      67             : // --------------------------------------------------------------------
      68             : 
      69           0 : void ConverterCache::ensureConverter( int nSelect )
      70             : {
      71             :     // DBG_ASSERT( (2<=nSelect) && (nSelect<=MAX_CVT_SELECT)), "invalid XLAT.Converter requested" );
      72           0 :     rtl_UnicodeToTextContext aContext = maContexts[ nSelect ];
      73           0 :     if( !aContext )
      74             :     {
      75           0 :         rtl_TextEncoding eRecodeFrom = RTL_TEXTENCODING_UNICODE;
      76           0 :         switch( nSelect )
      77             :         {
      78           0 :             default: nSelect = 1; // fall through to unicode recoding
      79           0 :             case 1: eRecodeFrom = RTL_TEXTENCODING_UNICODE; break;
      80           0 :             case 2: eRecodeFrom = RTL_TEXTENCODING_SHIFT_JIS; break;
      81           0 :             case 3: eRecodeFrom = RTL_TEXTENCODING_GB_2312; break;
      82           0 :             case 4: eRecodeFrom = RTL_TEXTENCODING_BIG5; break;
      83           0 :             case 5: eRecodeFrom = RTL_TEXTENCODING_MS_949; break;
      84           0 :             case 6: eRecodeFrom = RTL_TEXTENCODING_MS_1361; break;
      85             :         }
      86           0 :         rtl_UnicodeToTextConverter aRecodeConverter = rtl_createUnicodeToTextConverter( eRecodeFrom );
      87           0 :         maConverterCache[ nSelect ] = aRecodeConverter;
      88             : 
      89           0 :         aContext = rtl_createUnicodeToTextContext( aRecodeConverter );
      90           0 :         maContexts[ nSelect ] = aContext;
      91             :     }
      92             : 
      93           0 :     rtl_resetUnicodeToTextContext( maConverterCache[ nSelect ], aContext );
      94           0 : }
      95             : 
      96             : // --------------------------------------------------------------------
      97             : 
      98           0 : sal_uInt16 ConverterCache::convertOne( int nSelect, sal_Unicode aChar )
      99             : {
     100           0 :     ensureConverter( nSelect );
     101             : 
     102           0 :     sal_Unicode aUCS2Char = aChar;
     103             :     sal_Char aTempArray[8];
     104             :     sal_Size nTempSize;
     105             :     sal_uInt32 nCvtInfo;
     106             : 
     107             :     // TODO: use direct unicode->mbcs converter should there ever be one
     108             :     int nCodeLen = rtl_convertUnicodeToText(
     109             :             maConverterCache[ nSelect ], maContexts[ nSelect ],
     110             :             &aUCS2Char, 1, aTempArray, sizeof(aTempArray),
     111             :             RTL_UNICODETOTEXT_FLAGS_UNDEFINED_0
     112             :             | RTL_UNICODETOTEXT_FLAGS_INVALID_0,
     113           0 :             &nCvtInfo, &nTempSize );
     114             : 
     115           0 :     sal_uInt16 aCode = aTempArray[0];
     116           0 :     for( int i = 1; i < nCodeLen; ++i )
     117           0 :         aCode = (aCode << 8) + (aTempArray[i] & 0xFF);
     118           0 :     return aCode;
     119             : }
     120             : 
     121             : // --------------------------------------------------------------------
     122             : 
     123           0 : void ConverterCache::convertStr( int nSelect, const sal_Unicode* pSrc, sal_uInt16* pDst, int nCount )
     124             : {
     125           0 :     ensureConverter( nSelect );
     126             : 
     127           0 :     for( int n = 0; n < nCount; ++n )
     128             :     {
     129           0 :         sal_Unicode aUCS2Char = pSrc[n];
     130             : 
     131             :         sal_Char aTempArray[8];
     132             :         sal_Size nTempSize;
     133             :         sal_uInt32 nCvtInfo;
     134             : 
     135             :         // assume that non-unicode-fonts do not support codepoints >U+FFFF
     136             :         // TODO: use direct unicode->mbcs converter should there ever be one
     137             :         int nCodeLen = rtl_convertUnicodeToText(
     138             :             maConverterCache[ nSelect ], maContexts[ nSelect ],
     139             :             &aUCS2Char, 1, aTempArray, sizeof(aTempArray),
     140             :             RTL_UNICODETOTEXT_FLAGS_UNDEFINED_0
     141             :             | RTL_UNICODETOTEXT_FLAGS_INVALID_0,
     142           0 :             &nCvtInfo, &nTempSize );
     143             : 
     144           0 :         sal_uInt16 aCode = aTempArray[0];
     145           0 :         for( int i = 1; i < nCodeLen; ++i )
     146           0 :             aCode = (aCode << 8) + (aTempArray[i] & 0xFF);
     147           0 :         pDst[n] = aCode;
     148             :     }
     149           0 : }
     150             : 
     151             : } // anonymous namespace
     152             : 
     153             : // ====================================================================
     154             : 
     155             : #include "xlat.hxx"
     156             : 
     157             : namespace vcl
     158             : {
     159             : 
     160          36 : static ConverterCache aCC;
     161             : 
     162           0 : sal_uInt16 TranslateChar12(sal_uInt16 src)
     163             : {
     164           0 :     return aCC.convertOne( 2, src);
     165             : }
     166             : 
     167           0 : sal_uInt16 TranslateChar13(sal_uInt16 src)
     168             : {
     169           0 :     return aCC.convertOne( 3, src);
     170             : }
     171             : 
     172           0 : sal_uInt16 TranslateChar14(sal_uInt16 src)
     173             : {
     174           0 :     return aCC.convertOne( 4, src);
     175             : }
     176             : 
     177           0 : sal_uInt16 TranslateChar15(sal_uInt16 src)
     178             : {
     179           0 :     return aCC.convertOne( 5, src);
     180             : }
     181             : 
     182           0 : sal_uInt16 TranslateChar16(sal_uInt16 src)
     183             : {
     184           0 :     return aCC.convertOne( 6, src);
     185             : }
     186             : 
     187           0 : void TranslateString12(sal_uInt16 *src, sal_uInt16 *dst, sal_uInt32 n)
     188             : {
     189           0 :     aCC.convertStr( 2, src, dst, n);
     190           0 : }
     191             : 
     192           0 : void TranslateString13(sal_uInt16 *src, sal_uInt16 *dst, sal_uInt32 n)
     193             : {
     194           0 :     aCC.convertStr( 3, src, dst, n);
     195           0 : }
     196             : 
     197           0 : void TranslateString14(sal_uInt16 *src, sal_uInt16 *dst, sal_uInt32 n)
     198             : {
     199           0 :     aCC.convertStr( 4, src, dst, n);
     200           0 : }
     201             : 
     202           0 : void TranslateString15(sal_uInt16 *src, sal_uInt16 *dst, sal_uInt32 n)
     203             : {
     204           0 :     aCC.convertStr( 5, src, dst, n);
     205           0 : }
     206             : 
     207           0 : void TranslateString16(sal_uInt16 *src, sal_uInt16 *dst, sal_uInt32 n)
     208             : {
     209           0 :     aCC.convertStr( 6, src, dst, n);
     210           0 : }
     211             : 
     212         108 : } // namespace vcl
     213             : 
     214             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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