1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir #include "rtl/textcvt.h" 29*cdf0e10cSrcweir #include <tools/debug.hxx> 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir namespace { // anonymous namespace 32*cdf0e10cSrcweir 33*cdf0e10cSrcweir // ==================================================================== 34*cdf0e10cSrcweir 35*cdf0e10cSrcweir #define MAX_CVT_SELECT 6 36*cdf0e10cSrcweir 37*cdf0e10cSrcweir class ConverterCache 38*cdf0e10cSrcweir { 39*cdf0e10cSrcweir public: 40*cdf0e10cSrcweir explicit ConverterCache( void ); 41*cdf0e10cSrcweir ~ConverterCache( void ); 42*cdf0e10cSrcweir sal_uInt16 convertOne( int nSelect, sal_Unicode ); 43*cdf0e10cSrcweir void convertStr( int nSelect, const sal_Unicode* pSrc, sal_uInt16* pDst, int nCount ); 44*cdf0e10cSrcweir protected: 45*cdf0e10cSrcweir void ensureConverter( int nSelect ); 46*cdf0e10cSrcweir private: 47*cdf0e10cSrcweir rtl_UnicodeToTextConverter maConverterCache[ MAX_CVT_SELECT+1 ]; 48*cdf0e10cSrcweir rtl_UnicodeToTextContext maContexts[ MAX_CVT_SELECT+1 ]; 49*cdf0e10cSrcweir }; 50*cdf0e10cSrcweir 51*cdf0e10cSrcweir // ==================================================================== 52*cdf0e10cSrcweir 53*cdf0e10cSrcweir ConverterCache::ConverterCache( void) 54*cdf0e10cSrcweir { 55*cdf0e10cSrcweir for( int i = 0; i <= MAX_CVT_SELECT; ++i) 56*cdf0e10cSrcweir { 57*cdf0e10cSrcweir maConverterCache[i] = NULL; 58*cdf0e10cSrcweir maContexts[i] = NULL; 59*cdf0e10cSrcweir } 60*cdf0e10cSrcweir } 61*cdf0e10cSrcweir 62*cdf0e10cSrcweir // -------------------------------------------------------------------- 63*cdf0e10cSrcweir 64*cdf0e10cSrcweir ConverterCache::~ConverterCache( void) 65*cdf0e10cSrcweir { 66*cdf0e10cSrcweir for( int i = 0; i <= MAX_CVT_SELECT; ++i) 67*cdf0e10cSrcweir { 68*cdf0e10cSrcweir if( !maContexts[i] ) 69*cdf0e10cSrcweir continue; 70*cdf0e10cSrcweir rtl_destroyUnicodeToTextContext( maConverterCache[i], maContexts[i] ); 71*cdf0e10cSrcweir rtl_destroyUnicodeToTextConverter( maConverterCache[i] ); 72*cdf0e10cSrcweir } 73*cdf0e10cSrcweir } 74*cdf0e10cSrcweir 75*cdf0e10cSrcweir // -------------------------------------------------------------------- 76*cdf0e10cSrcweir 77*cdf0e10cSrcweir void ConverterCache::ensureConverter( int nSelect ) 78*cdf0e10cSrcweir { 79*cdf0e10cSrcweir // DBG_ASSERT( (2<=nSelect) && (nSelect<=MAX_CVT_SELECT)), "invalid XLAT.Converter requested" ); 80*cdf0e10cSrcweir rtl_UnicodeToTextContext aContext = maContexts[ nSelect ]; 81*cdf0e10cSrcweir if( !aContext ) 82*cdf0e10cSrcweir { 83*cdf0e10cSrcweir rtl_TextEncoding eRecodeFrom = RTL_TEXTENCODING_UNICODE; 84*cdf0e10cSrcweir switch( nSelect ) 85*cdf0e10cSrcweir { 86*cdf0e10cSrcweir default: nSelect = 1; // fall through to unicode recoding 87*cdf0e10cSrcweir case 1: eRecodeFrom = RTL_TEXTENCODING_UNICODE; break; 88*cdf0e10cSrcweir case 2: eRecodeFrom = RTL_TEXTENCODING_SHIFT_JIS; break; 89*cdf0e10cSrcweir case 3: eRecodeFrom = RTL_TEXTENCODING_GB_2312; break; 90*cdf0e10cSrcweir case 4: eRecodeFrom = RTL_TEXTENCODING_BIG5; break; 91*cdf0e10cSrcweir case 5: eRecodeFrom = RTL_TEXTENCODING_MS_949; break; 92*cdf0e10cSrcweir case 6: eRecodeFrom = RTL_TEXTENCODING_MS_1361; break; 93*cdf0e10cSrcweir } 94*cdf0e10cSrcweir rtl_UnicodeToTextConverter aRecodeConverter = rtl_createUnicodeToTextConverter( eRecodeFrom ); 95*cdf0e10cSrcweir maConverterCache[ nSelect ] = aRecodeConverter; 96*cdf0e10cSrcweir 97*cdf0e10cSrcweir aContext = rtl_createUnicodeToTextContext( aRecodeConverter ); 98*cdf0e10cSrcweir maContexts[ nSelect ] = aContext; 99*cdf0e10cSrcweir } 100*cdf0e10cSrcweir 101*cdf0e10cSrcweir rtl_resetUnicodeToTextContext( maConverterCache[ nSelect ], aContext ); 102*cdf0e10cSrcweir } 103*cdf0e10cSrcweir 104*cdf0e10cSrcweir // -------------------------------------------------------------------- 105*cdf0e10cSrcweir 106*cdf0e10cSrcweir sal_uInt16 ConverterCache::convertOne( int nSelect, sal_Unicode aChar ) 107*cdf0e10cSrcweir { 108*cdf0e10cSrcweir ensureConverter( nSelect ); 109*cdf0e10cSrcweir 110*cdf0e10cSrcweir sal_Unicode aUCS2Char = aChar; 111*cdf0e10cSrcweir sal_Char aTempArray[8]; 112*cdf0e10cSrcweir sal_Size nTempSize; 113*cdf0e10cSrcweir sal_uInt32 nCvtInfo; 114*cdf0e10cSrcweir 115*cdf0e10cSrcweir // TODO: use direct unicode->mbcs converter should there ever be one 116*cdf0e10cSrcweir int nCodeLen = rtl_convertUnicodeToText( 117*cdf0e10cSrcweir maConverterCache[ nSelect ], maContexts[ nSelect ], 118*cdf0e10cSrcweir &aUCS2Char, 1, aTempArray, sizeof(aTempArray), 119*cdf0e10cSrcweir RTL_UNICODETOTEXT_FLAGS_UNDEFINED_0 120*cdf0e10cSrcweir | RTL_UNICODETOTEXT_FLAGS_INVALID_0, 121*cdf0e10cSrcweir &nCvtInfo, &nTempSize ); 122*cdf0e10cSrcweir 123*cdf0e10cSrcweir sal_uInt16 aCode = aTempArray[0]; 124*cdf0e10cSrcweir for( int i = 1; i < nCodeLen; ++i ) 125*cdf0e10cSrcweir aCode = (aCode << 8) + (aTempArray[i] & 0xFF); 126*cdf0e10cSrcweir return aCode; 127*cdf0e10cSrcweir } 128*cdf0e10cSrcweir 129*cdf0e10cSrcweir // -------------------------------------------------------------------- 130*cdf0e10cSrcweir 131*cdf0e10cSrcweir void ConverterCache::convertStr( int nSelect, const sal_Unicode* pSrc, sal_uInt16* pDst, int nCount ) 132*cdf0e10cSrcweir { 133*cdf0e10cSrcweir ensureConverter( nSelect ); 134*cdf0e10cSrcweir 135*cdf0e10cSrcweir for( int n = 0; n < nCount; ++n ) 136*cdf0e10cSrcweir { 137*cdf0e10cSrcweir sal_Unicode aUCS2Char = pSrc[n]; 138*cdf0e10cSrcweir 139*cdf0e10cSrcweir sal_Char aTempArray[8]; 140*cdf0e10cSrcweir sal_Size nTempSize; 141*cdf0e10cSrcweir sal_uInt32 nCvtInfo; 142*cdf0e10cSrcweir 143*cdf0e10cSrcweir // assume that non-unicode-fonts do not support codepoints >U+FFFF 144*cdf0e10cSrcweir // TODO: use direct unicode->mbcs converter should there ever be one 145*cdf0e10cSrcweir int nCodeLen = rtl_convertUnicodeToText( 146*cdf0e10cSrcweir maConverterCache[ nSelect ], maContexts[ nSelect ], 147*cdf0e10cSrcweir &aUCS2Char, 1, aTempArray, sizeof(aTempArray), 148*cdf0e10cSrcweir RTL_UNICODETOTEXT_FLAGS_UNDEFINED_0 149*cdf0e10cSrcweir | RTL_UNICODETOTEXT_FLAGS_INVALID_0, 150*cdf0e10cSrcweir &nCvtInfo, &nTempSize ); 151*cdf0e10cSrcweir 152*cdf0e10cSrcweir sal_uInt16 aCode = aTempArray[0]; 153*cdf0e10cSrcweir for( int i = 1; i < nCodeLen; ++i ) 154*cdf0e10cSrcweir aCode = (aCode << 8) + (aTempArray[i] & 0xFF); 155*cdf0e10cSrcweir pDst[n] = aCode; 156*cdf0e10cSrcweir } 157*cdf0e10cSrcweir } 158*cdf0e10cSrcweir 159*cdf0e10cSrcweir } // anonymous namespace 160*cdf0e10cSrcweir 161*cdf0e10cSrcweir // ==================================================================== 162*cdf0e10cSrcweir 163*cdf0e10cSrcweir #include "xlat.hxx" 164*cdf0e10cSrcweir 165*cdf0e10cSrcweir namespace vcl 166*cdf0e10cSrcweir { 167*cdf0e10cSrcweir 168*cdf0e10cSrcweir static ConverterCache aCC; 169*cdf0e10cSrcweir 170*cdf0e10cSrcweir sal_uInt16 TranslateChar12(sal_uInt16 src) 171*cdf0e10cSrcweir { 172*cdf0e10cSrcweir return aCC.convertOne( 2, src); 173*cdf0e10cSrcweir } 174*cdf0e10cSrcweir 175*cdf0e10cSrcweir sal_uInt16 TranslateChar13(sal_uInt16 src) 176*cdf0e10cSrcweir { 177*cdf0e10cSrcweir return aCC.convertOne( 3, src); 178*cdf0e10cSrcweir } 179*cdf0e10cSrcweir 180*cdf0e10cSrcweir sal_uInt16 TranslateChar14(sal_uInt16 src) 181*cdf0e10cSrcweir { 182*cdf0e10cSrcweir return aCC.convertOne( 4, src); 183*cdf0e10cSrcweir } 184*cdf0e10cSrcweir 185*cdf0e10cSrcweir sal_uInt16 TranslateChar15(sal_uInt16 src) 186*cdf0e10cSrcweir { 187*cdf0e10cSrcweir return aCC.convertOne( 5, src); 188*cdf0e10cSrcweir } 189*cdf0e10cSrcweir 190*cdf0e10cSrcweir sal_uInt16 TranslateChar16(sal_uInt16 src) 191*cdf0e10cSrcweir { 192*cdf0e10cSrcweir return aCC.convertOne( 6, src); 193*cdf0e10cSrcweir } 194*cdf0e10cSrcweir 195*cdf0e10cSrcweir void TranslateString12(sal_uInt16 *src, sal_uInt16 *dst, sal_uInt32 n) 196*cdf0e10cSrcweir { 197*cdf0e10cSrcweir aCC.convertStr( 2, src, dst, n); 198*cdf0e10cSrcweir } 199*cdf0e10cSrcweir 200*cdf0e10cSrcweir void TranslateString13(sal_uInt16 *src, sal_uInt16 *dst, sal_uInt32 n) 201*cdf0e10cSrcweir { 202*cdf0e10cSrcweir aCC.convertStr( 3, src, dst, n); 203*cdf0e10cSrcweir } 204*cdf0e10cSrcweir 205*cdf0e10cSrcweir void TranslateString14(sal_uInt16 *src, sal_uInt16 *dst, sal_uInt32 n) 206*cdf0e10cSrcweir { 207*cdf0e10cSrcweir aCC.convertStr( 4, src, dst, n); 208*cdf0e10cSrcweir } 209*cdf0e10cSrcweir 210*cdf0e10cSrcweir void TranslateString15(sal_uInt16 *src, sal_uInt16 *dst, sal_uInt32 n) 211*cdf0e10cSrcweir { 212*cdf0e10cSrcweir aCC.convertStr( 5, src, dst, n); 213*cdf0e10cSrcweir } 214*cdf0e10cSrcweir 215*cdf0e10cSrcweir void TranslateString16(sal_uInt16 *src, sal_uInt16 *dst, sal_uInt32 n) 216*cdf0e10cSrcweir { 217*cdf0e10cSrcweir aCC.convertStr( 6, src, dst, n); 218*cdf0e10cSrcweir } 219*cdf0e10cSrcweir 220*cdf0e10cSrcweir } // namespace vcl 221*cdf0e10cSrcweir 222