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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 <unotools/transliterationwrapper.hxx>
21 : #include <i18nlangtag/languagetag.hxx>
22 :
23 : #include <com/sun/star/i18n/TransliterationModulesExtra.hpp>
24 : #include <com/sun/star/i18n/Transliteration.hpp>
25 :
26 : using namespace ::com::sun::star::lang;
27 : using namespace ::com::sun::star::i18n;
28 : using namespace ::com::sun::star::uno;
29 : using namespace ::utl;
30 :
31 518 : TransliterationWrapper::TransliterationWrapper(
32 : const Reference< XComponentContext > & rxContext,
33 : sal_uInt32 nTyp )
34 : : xTrans( Transliteration::create(rxContext) ),
35 518 : aLanguageTag( LANGUAGE_SYSTEM ), nType( nTyp ), bFirstCall( true )
36 : {
37 518 : }
38 :
39 473 : TransliterationWrapper::~TransliterationWrapper()
40 : {
41 473 : }
42 :
43 84 : OUString TransliterationWrapper::transliterate(const OUString& rStr, sal_uInt16 nLang,
44 : sal_Int32 nStart, sal_Int32 nLen,
45 : Sequence <sal_Int32>* pOffset )
46 : {
47 84 : OUString sRet;
48 84 : if( xTrans.is() )
49 : {
50 : try
51 : {
52 84 : loadModuleIfNeeded( nLang );
53 :
54 84 : if ( pOffset )
55 84 : sRet = xTrans->transliterate( rStr, nStart, nLen, *pOffset );
56 : else
57 0 : sRet = xTrans->transliterateString2String( rStr, nStart, nLen);
58 : }
59 0 : catch( Exception& )
60 : {
61 : SAL_WARN( "unotools.i18n", "transliterate: Exception caught!" );
62 : }
63 : }
64 84 : return sRet;
65 : }
66 :
67 4 : OUString TransliterationWrapper::transliterate( const OUString& rStr,
68 : sal_Int32 nStart, sal_Int32 nLen,
69 : Sequence <sal_Int32>* pOffset ) const
70 : {
71 4 : OUString sRet( rStr );
72 4 : if( xTrans.is() )
73 : {
74 : try
75 : {
76 4 : if ( pOffset )
77 0 : sRet = xTrans->transliterate( rStr, nStart, nLen, *pOffset );
78 : else
79 4 : sRet = xTrans->transliterateString2String( rStr, nStart, nLen);
80 : }
81 0 : catch( Exception& )
82 : {
83 : SAL_WARN( "unotools.i18n", "transliterate: Exception caught!" );
84 : }
85 : }
86 4 : return sRet;
87 : }
88 :
89 554 : bool TransliterationWrapper::needLanguageForTheMode() const
90 : {
91 1104 : return TransliterationModules_UPPERCASE_LOWERCASE == nType ||
92 1084 : TransliterationModules_LOWERCASE_UPPERCASE == nType ||
93 538 : TransliterationModules_IGNORE_CASE == nType ||
94 8 : (sal_uInt32) TransliterationModulesExtra::SENTENCE_CASE == (sal_uInt32) nType ||
95 562 : (sal_uInt32) TransliterationModulesExtra::TITLE_CASE == (sal_uInt32) nType ||
96 558 : (sal_uInt32) TransliterationModulesExtra::TOGGLE_CASE == (sal_uInt32) nType;
97 : }
98 :
99 712 : void TransliterationWrapper::setLanguageLocaleImpl( sal_uInt16 nLang )
100 : {
101 712 : if( LANGUAGE_NONE == nLang )
102 0 : nLang = LANGUAGE_SYSTEM;
103 712 : aLanguageTag.reset( nLang);
104 712 : }
105 :
106 1586 : void TransliterationWrapper::loadModuleIfNeeded( sal_uInt16 nLang )
107 : {
108 1586 : bool bLoad = bFirstCall;
109 1586 : bFirstCall = false;
110 :
111 1586 : if( static_cast< sal_Int32 >(nType) == TransliterationModulesExtra::SENTENCE_CASE )
112 : {
113 2 : if( bLoad )
114 2 : loadModuleByImplName(OUString("SENTENCE_CASE"), nLang);
115 : }
116 1584 : else if( static_cast< sal_Int32 >(nType) == TransliterationModulesExtra::TITLE_CASE )
117 : {
118 2 : if( bLoad )
119 2 : loadModuleByImplName(OUString("TITLE_CASE"), nLang);
120 : }
121 1582 : else if( static_cast< sal_Int32 >(nType) == TransliterationModulesExtra::TOGGLE_CASE )
122 : {
123 2 : if( bLoad )
124 2 : loadModuleByImplName(OUString("TOGGLE_CASE"), nLang);
125 : }
126 : else
127 : {
128 1580 : if( aLanguageTag.getLanguageType() != nLang )
129 : {
130 702 : setLanguageLocaleImpl( nLang );
131 702 : if( !bLoad )
132 542 : bLoad = needLanguageForTheMode();
133 : }
134 1580 : if( bLoad )
135 1044 : loadModuleImpl();
136 : }
137 1586 : }
138 :
139 1044 : void TransliterationWrapper::loadModuleImpl() const
140 : {
141 1044 : if ( bFirstCall )
142 0 : ((TransliterationWrapper*)this)->setLanguageLocaleImpl( LANGUAGE_SYSTEM );
143 :
144 : try
145 : {
146 1044 : if ( xTrans.is() )
147 1044 : xTrans->loadModule( (TransliterationModules)nType, aLanguageTag.getLocale() );
148 : }
149 0 : catch ( const Exception& e )
150 : {
151 : SAL_WARN( "unotools.i18n", "loadModuleImpl: Exception caught " << e.Message );
152 : }
153 :
154 1044 : bFirstCall = false;
155 1044 : }
156 :
157 10 : void TransliterationWrapper::loadModuleByImplName(const OUString& rModuleName,
158 : sal_uInt16 nLang )
159 : {
160 : try
161 : {
162 10 : setLanguageLocaleImpl( nLang );
163 10 : com::sun::star::lang::Locale aLocale( aLanguageTag.getLocale());
164 : // Reset LanguageTag, so the next call to loadModuleIfNeeded() forces
165 : // new settings.
166 10 : aLanguageTag.reset( LANGUAGE_DONTKNOW);
167 10 : if ( xTrans.is() )
168 10 : xTrans->loadModuleByImplName( rModuleName, aLocale );
169 : }
170 0 : catch ( const Exception& e )
171 : {
172 : SAL_WARN( "unotools.i18n", "loadModuleByImplName: Exception caught " << e.Message );
173 : }
174 :
175 10 : bFirstCall = false;
176 10 : }
177 :
178 52966 : bool TransliterationWrapper::equals(
179 : const OUString& rStr1, sal_Int32 nPos1, sal_Int32 nCount1, sal_Int32& nMatch1,
180 : const OUString& rStr2, sal_Int32 nPos2, sal_Int32 nCount2, sal_Int32& nMatch2 ) const
181 : {
182 : try
183 : {
184 52966 : if( bFirstCall )
185 0 : loadModuleImpl();
186 52966 : if ( xTrans.is() )
187 52966 : return xTrans->equals( rStr1, nPos1, nCount1, nMatch1, rStr2, nPos2, nCount2, nMatch2 );
188 : }
189 0 : catch ( const Exception& e )
190 : {
191 : SAL_WARN( "unotools.i18n", "equals: Exception caught " << e.Message );
192 : }
193 0 : return false;
194 : }
195 :
196 162 : sal_Int32 TransliterationWrapper::compareString( const OUString& rStr1, const OUString& rStr2 ) const
197 : {
198 : try
199 : {
200 162 : if( bFirstCall )
201 0 : loadModuleImpl();
202 162 : if ( xTrans.is() )
203 162 : return xTrans->compareString( rStr1, rStr2 );
204 : }
205 0 : catch (const Exception& e)
206 : {
207 : SAL_WARN( "unotools.i18n", "compareString: Exception caught " << e.Message );
208 : }
209 0 : return 0;
210 : }
211 :
212 : // --- helpers --------------------------------------------------------
213 :
214 20008 : bool TransliterationWrapper::isEqual( const OUString& rStr1, const OUString& rStr2 ) const
215 : {
216 20008 : sal_Int32 nMatch1(0), nMatch2(0);
217 : bool bMatch = equals(
218 : rStr1, 0, rStr1.getLength(), nMatch1,
219 20008 : rStr2, 0, rStr2.getLength(), nMatch2 );
220 20008 : return bMatch;
221 : }
222 :
223 32862 : bool TransliterationWrapper::isMatch( const OUString& rStr1, const OUString& rStr2 ) const
224 : {
225 32862 : sal_Int32 nMatch1(0), nMatch2(0);
226 : equals(
227 : rStr1, 0, rStr1.getLength(), nMatch1,
228 32862 : rStr2, 0, rStr2.getLength(), nMatch2 );
229 32862 : return (nMatch1 <= nMatch2) && (nMatch1 == rStr1.getLength());
230 : }
231 :
232 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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