1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski
23*b1cdbd2cSJim Jagielski
24*b1cdbd2cSJim Jagielski #include "rtl/textcvt.h"
25*b1cdbd2cSJim Jagielski #include <tools/debug.hxx>
26*b1cdbd2cSJim Jagielski
27*b1cdbd2cSJim Jagielski namespace { // anonymous namespace
28*b1cdbd2cSJim Jagielski
29*b1cdbd2cSJim Jagielski // ====================================================================
30*b1cdbd2cSJim Jagielski
31*b1cdbd2cSJim Jagielski #define MAX_CVT_SELECT 6
32*b1cdbd2cSJim Jagielski
33*b1cdbd2cSJim Jagielski class ConverterCache
34*b1cdbd2cSJim Jagielski {
35*b1cdbd2cSJim Jagielski public:
36*b1cdbd2cSJim Jagielski explicit ConverterCache( void );
37*b1cdbd2cSJim Jagielski ~ConverterCache( void );
38*b1cdbd2cSJim Jagielski sal_uInt16 convertOne( int nSelect, sal_Unicode );
39*b1cdbd2cSJim Jagielski void convertStr( int nSelect, const sal_Unicode* pSrc, sal_uInt16* pDst, int nCount );
40*b1cdbd2cSJim Jagielski protected:
41*b1cdbd2cSJim Jagielski void ensureConverter( int nSelect );
42*b1cdbd2cSJim Jagielski private:
43*b1cdbd2cSJim Jagielski rtl_UnicodeToTextConverter maConverterCache[ MAX_CVT_SELECT+1 ];
44*b1cdbd2cSJim Jagielski rtl_UnicodeToTextContext maContexts[ MAX_CVT_SELECT+1 ];
45*b1cdbd2cSJim Jagielski };
46*b1cdbd2cSJim Jagielski
47*b1cdbd2cSJim Jagielski // ====================================================================
48*b1cdbd2cSJim Jagielski
ConverterCache(void)49*b1cdbd2cSJim Jagielski ConverterCache::ConverterCache( void)
50*b1cdbd2cSJim Jagielski {
51*b1cdbd2cSJim Jagielski for( int i = 0; i <= MAX_CVT_SELECT; ++i)
52*b1cdbd2cSJim Jagielski {
53*b1cdbd2cSJim Jagielski maConverterCache[i] = NULL;
54*b1cdbd2cSJim Jagielski maContexts[i] = NULL;
55*b1cdbd2cSJim Jagielski }
56*b1cdbd2cSJim Jagielski }
57*b1cdbd2cSJim Jagielski
58*b1cdbd2cSJim Jagielski // --------------------------------------------------------------------
59*b1cdbd2cSJim Jagielski
~ConverterCache(void)60*b1cdbd2cSJim Jagielski ConverterCache::~ConverterCache( void)
61*b1cdbd2cSJim Jagielski {
62*b1cdbd2cSJim Jagielski for( int i = 0; i <= MAX_CVT_SELECT; ++i)
63*b1cdbd2cSJim Jagielski {
64*b1cdbd2cSJim Jagielski if( !maContexts[i] )
65*b1cdbd2cSJim Jagielski continue;
66*b1cdbd2cSJim Jagielski rtl_destroyUnicodeToTextContext( maConverterCache[i], maContexts[i] );
67*b1cdbd2cSJim Jagielski rtl_destroyUnicodeToTextConverter( maConverterCache[i] );
68*b1cdbd2cSJim Jagielski }
69*b1cdbd2cSJim Jagielski }
70*b1cdbd2cSJim Jagielski
71*b1cdbd2cSJim Jagielski // --------------------------------------------------------------------
72*b1cdbd2cSJim Jagielski
ensureConverter(int nSelect)73*b1cdbd2cSJim Jagielski void ConverterCache::ensureConverter( int nSelect )
74*b1cdbd2cSJim Jagielski {
75*b1cdbd2cSJim Jagielski // DBG_ASSERT( (2<=nSelect) && (nSelect<=MAX_CVT_SELECT)), "invalid XLAT.Converter requested" );
76*b1cdbd2cSJim Jagielski rtl_UnicodeToTextContext aContext = maContexts[ nSelect ];
77*b1cdbd2cSJim Jagielski if( !aContext )
78*b1cdbd2cSJim Jagielski {
79*b1cdbd2cSJim Jagielski rtl_TextEncoding eRecodeFrom = RTL_TEXTENCODING_UNICODE;
80*b1cdbd2cSJim Jagielski switch( nSelect )
81*b1cdbd2cSJim Jagielski {
82*b1cdbd2cSJim Jagielski default: nSelect = 1; // fall through to unicode recoding
83*b1cdbd2cSJim Jagielski case 1: eRecodeFrom = RTL_TEXTENCODING_UNICODE; break;
84*b1cdbd2cSJim Jagielski case 2: eRecodeFrom = RTL_TEXTENCODING_SHIFT_JIS; break;
85*b1cdbd2cSJim Jagielski case 3: eRecodeFrom = RTL_TEXTENCODING_GB_2312; break;
86*b1cdbd2cSJim Jagielski case 4: eRecodeFrom = RTL_TEXTENCODING_BIG5; break;
87*b1cdbd2cSJim Jagielski case 5: eRecodeFrom = RTL_TEXTENCODING_MS_949; break;
88*b1cdbd2cSJim Jagielski case 6: eRecodeFrom = RTL_TEXTENCODING_MS_1361; break;
89*b1cdbd2cSJim Jagielski }
90*b1cdbd2cSJim Jagielski rtl_UnicodeToTextConverter aRecodeConverter = rtl_createUnicodeToTextConverter( eRecodeFrom );
91*b1cdbd2cSJim Jagielski maConverterCache[ nSelect ] = aRecodeConverter;
92*b1cdbd2cSJim Jagielski
93*b1cdbd2cSJim Jagielski aContext = rtl_createUnicodeToTextContext( aRecodeConverter );
94*b1cdbd2cSJim Jagielski maContexts[ nSelect ] = aContext;
95*b1cdbd2cSJim Jagielski }
96*b1cdbd2cSJim Jagielski
97*b1cdbd2cSJim Jagielski rtl_resetUnicodeToTextContext( maConverterCache[ nSelect ], aContext );
98*b1cdbd2cSJim Jagielski }
99*b1cdbd2cSJim Jagielski
100*b1cdbd2cSJim Jagielski // --------------------------------------------------------------------
101*b1cdbd2cSJim Jagielski
convertOne(int nSelect,sal_Unicode aChar)102*b1cdbd2cSJim Jagielski sal_uInt16 ConverterCache::convertOne( int nSelect, sal_Unicode aChar )
103*b1cdbd2cSJim Jagielski {
104*b1cdbd2cSJim Jagielski ensureConverter( nSelect );
105*b1cdbd2cSJim Jagielski
106*b1cdbd2cSJim Jagielski sal_Unicode aUCS2Char = aChar;
107*b1cdbd2cSJim Jagielski sal_Char aTempArray[8];
108*b1cdbd2cSJim Jagielski sal_Size nTempSize;
109*b1cdbd2cSJim Jagielski sal_uInt32 nCvtInfo;
110*b1cdbd2cSJim Jagielski
111*b1cdbd2cSJim Jagielski // TODO: use direct unicode->mbcs converter should there ever be one
112*b1cdbd2cSJim Jagielski int nCodeLen = rtl_convertUnicodeToText(
113*b1cdbd2cSJim Jagielski maConverterCache[ nSelect ], maContexts[ nSelect ],
114*b1cdbd2cSJim Jagielski &aUCS2Char, 1, aTempArray, sizeof(aTempArray),
115*b1cdbd2cSJim Jagielski RTL_UNICODETOTEXT_FLAGS_UNDEFINED_0
116*b1cdbd2cSJim Jagielski | RTL_UNICODETOTEXT_FLAGS_INVALID_0,
117*b1cdbd2cSJim Jagielski &nCvtInfo, &nTempSize );
118*b1cdbd2cSJim Jagielski
119*b1cdbd2cSJim Jagielski sal_uInt16 aCode = aTempArray[0];
120*b1cdbd2cSJim Jagielski for( int i = 1; i < nCodeLen; ++i )
121*b1cdbd2cSJim Jagielski aCode = (aCode << 8) + (aTempArray[i] & 0xFF);
122*b1cdbd2cSJim Jagielski return aCode;
123*b1cdbd2cSJim Jagielski }
124*b1cdbd2cSJim Jagielski
125*b1cdbd2cSJim Jagielski // --------------------------------------------------------------------
126*b1cdbd2cSJim Jagielski
convertStr(int nSelect,const sal_Unicode * pSrc,sal_uInt16 * pDst,int nCount)127*b1cdbd2cSJim Jagielski void ConverterCache::convertStr( int nSelect, const sal_Unicode* pSrc, sal_uInt16* pDst, int nCount )
128*b1cdbd2cSJim Jagielski {
129*b1cdbd2cSJim Jagielski ensureConverter( nSelect );
130*b1cdbd2cSJim Jagielski
131*b1cdbd2cSJim Jagielski for( int n = 0; n < nCount; ++n )
132*b1cdbd2cSJim Jagielski {
133*b1cdbd2cSJim Jagielski sal_Unicode aUCS2Char = pSrc[n];
134*b1cdbd2cSJim Jagielski
135*b1cdbd2cSJim Jagielski sal_Char aTempArray[8];
136*b1cdbd2cSJim Jagielski sal_Size nTempSize;
137*b1cdbd2cSJim Jagielski sal_uInt32 nCvtInfo;
138*b1cdbd2cSJim Jagielski
139*b1cdbd2cSJim Jagielski // assume that non-unicode-fonts do not support codepoints >U+FFFF
140*b1cdbd2cSJim Jagielski // TODO: use direct unicode->mbcs converter should there ever be one
141*b1cdbd2cSJim Jagielski int nCodeLen = rtl_convertUnicodeToText(
142*b1cdbd2cSJim Jagielski maConverterCache[ nSelect ], maContexts[ nSelect ],
143*b1cdbd2cSJim Jagielski &aUCS2Char, 1, aTempArray, sizeof(aTempArray),
144*b1cdbd2cSJim Jagielski RTL_UNICODETOTEXT_FLAGS_UNDEFINED_0
145*b1cdbd2cSJim Jagielski | RTL_UNICODETOTEXT_FLAGS_INVALID_0,
146*b1cdbd2cSJim Jagielski &nCvtInfo, &nTempSize );
147*b1cdbd2cSJim Jagielski
148*b1cdbd2cSJim Jagielski sal_uInt16 aCode = aTempArray[0];
149*b1cdbd2cSJim Jagielski for( int i = 1; i < nCodeLen; ++i )
150*b1cdbd2cSJim Jagielski aCode = (aCode << 8) + (aTempArray[i] & 0xFF);
151*b1cdbd2cSJim Jagielski pDst[n] = aCode;
152*b1cdbd2cSJim Jagielski }
153*b1cdbd2cSJim Jagielski }
154*b1cdbd2cSJim Jagielski
155*b1cdbd2cSJim Jagielski } // anonymous namespace
156*b1cdbd2cSJim Jagielski
157*b1cdbd2cSJim Jagielski // ====================================================================
158*b1cdbd2cSJim Jagielski
159*b1cdbd2cSJim Jagielski #include "xlat.hxx"
160*b1cdbd2cSJim Jagielski
161*b1cdbd2cSJim Jagielski namespace vcl
162*b1cdbd2cSJim Jagielski {
163*b1cdbd2cSJim Jagielski
164*b1cdbd2cSJim Jagielski static ConverterCache aCC;
165*b1cdbd2cSJim Jagielski
TranslateChar12(sal_uInt16 src)166*b1cdbd2cSJim Jagielski sal_uInt16 TranslateChar12(sal_uInt16 src)
167*b1cdbd2cSJim Jagielski {
168*b1cdbd2cSJim Jagielski return aCC.convertOne( 2, src);
169*b1cdbd2cSJim Jagielski }
170*b1cdbd2cSJim Jagielski
TranslateChar13(sal_uInt16 src)171*b1cdbd2cSJim Jagielski sal_uInt16 TranslateChar13(sal_uInt16 src)
172*b1cdbd2cSJim Jagielski {
173*b1cdbd2cSJim Jagielski return aCC.convertOne( 3, src);
174*b1cdbd2cSJim Jagielski }
175*b1cdbd2cSJim Jagielski
TranslateChar14(sal_uInt16 src)176*b1cdbd2cSJim Jagielski sal_uInt16 TranslateChar14(sal_uInt16 src)
177*b1cdbd2cSJim Jagielski {
178*b1cdbd2cSJim Jagielski return aCC.convertOne( 4, src);
179*b1cdbd2cSJim Jagielski }
180*b1cdbd2cSJim Jagielski
TranslateChar15(sal_uInt16 src)181*b1cdbd2cSJim Jagielski sal_uInt16 TranslateChar15(sal_uInt16 src)
182*b1cdbd2cSJim Jagielski {
183*b1cdbd2cSJim Jagielski return aCC.convertOne( 5, src);
184*b1cdbd2cSJim Jagielski }
185*b1cdbd2cSJim Jagielski
TranslateChar16(sal_uInt16 src)186*b1cdbd2cSJim Jagielski sal_uInt16 TranslateChar16(sal_uInt16 src)
187*b1cdbd2cSJim Jagielski {
188*b1cdbd2cSJim Jagielski return aCC.convertOne( 6, src);
189*b1cdbd2cSJim Jagielski }
190*b1cdbd2cSJim Jagielski
TranslateString12(sal_uInt16 * src,sal_uInt16 * dst,sal_uInt32 n)191*b1cdbd2cSJim Jagielski void TranslateString12(sal_uInt16 *src, sal_uInt16 *dst, sal_uInt32 n)
192*b1cdbd2cSJim Jagielski {
193*b1cdbd2cSJim Jagielski aCC.convertStr( 2, src, dst, n);
194*b1cdbd2cSJim Jagielski }
195*b1cdbd2cSJim Jagielski
TranslateString13(sal_uInt16 * src,sal_uInt16 * dst,sal_uInt32 n)196*b1cdbd2cSJim Jagielski void TranslateString13(sal_uInt16 *src, sal_uInt16 *dst, sal_uInt32 n)
197*b1cdbd2cSJim Jagielski {
198*b1cdbd2cSJim Jagielski aCC.convertStr( 3, src, dst, n);
199*b1cdbd2cSJim Jagielski }
200*b1cdbd2cSJim Jagielski
TranslateString14(sal_uInt16 * src,sal_uInt16 * dst,sal_uInt32 n)201*b1cdbd2cSJim Jagielski void TranslateString14(sal_uInt16 *src, sal_uInt16 *dst, sal_uInt32 n)
202*b1cdbd2cSJim Jagielski {
203*b1cdbd2cSJim Jagielski aCC.convertStr( 4, src, dst, n);
204*b1cdbd2cSJim Jagielski }
205*b1cdbd2cSJim Jagielski
TranslateString15(sal_uInt16 * src,sal_uInt16 * dst,sal_uInt32 n)206*b1cdbd2cSJim Jagielski void TranslateString15(sal_uInt16 *src, sal_uInt16 *dst, sal_uInt32 n)
207*b1cdbd2cSJim Jagielski {
208*b1cdbd2cSJim Jagielski aCC.convertStr( 5, src, dst, n);
209*b1cdbd2cSJim Jagielski }
210*b1cdbd2cSJim Jagielski
TranslateString16(sal_uInt16 * src,sal_uInt16 * dst,sal_uInt32 n)211*b1cdbd2cSJim Jagielski void TranslateString16(sal_uInt16 *src, sal_uInt16 *dst, sal_uInt32 n)
212*b1cdbd2cSJim Jagielski {
213*b1cdbd2cSJim Jagielski aCC.convertStr( 6, src, dst, n);
214*b1cdbd2cSJim Jagielski }
215*b1cdbd2cSJim Jagielski
216*b1cdbd2cSJim Jagielski } // namespace vcl
217*b1cdbd2cSJim Jagielski
218