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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 <i18nlangtag/lang.h>
21 : #include <tools/debug.hxx>
22 : #include <svl/lngmisc.hxx>
23 :
24 : #include <cppuhelper/factory.hxx>
25 : #include <com/sun/star/registry/XRegistryKey.hpp>
26 : #include <com/sun/star/beans/XPropertySet.hpp>
27 : #include <comphelper/processfactory.hxx>
28 : #include <osl/mutex.hxx>
29 :
30 : #include "thesdsp.hxx"
31 : #include "linguistic/lngprops.hxx"
32 :
33 : using namespace osl;
34 : using namespace com::sun::star;
35 : using namespace com::sun::star::beans;
36 : using namespace com::sun::star::lang;
37 : using namespace com::sun::star::uno;
38 : using namespace com::sun::star::linguistic2;
39 : using namespace linguistic;
40 :
41 :
42 :
43 0 : static bool SvcListHasLanguage(
44 : const Sequence< Reference< XThesaurus > > &rRefs,
45 : const Locale &rLocale )
46 : {
47 0 : bool bHasLanguage = false;
48 :
49 0 : const Reference< XThesaurus > *pRef = rRefs.getConstArray();
50 0 : sal_Int32 nLen = rRefs.getLength();
51 0 : for (sal_Int32 k = 0; k < nLen && !bHasLanguage; ++k)
52 : {
53 0 : if (pRef[k].is())
54 0 : bHasLanguage = pRef[k]->hasLocale( rLocale );
55 : }
56 :
57 0 : return bHasLanguage;
58 : }
59 :
60 :
61 :
62 0 : ThesaurusDispatcher::ThesaurusDispatcher()
63 : {
64 0 : }
65 :
66 :
67 0 : ThesaurusDispatcher::~ThesaurusDispatcher()
68 : {
69 0 : ClearSvcList();
70 0 : }
71 :
72 :
73 0 : void ThesaurusDispatcher::ClearSvcList()
74 : {
75 : // release memory for each table entry
76 0 : ThesSvcByLangMap_t aTmp;
77 0 : aSvcMap.swap( aTmp );
78 0 : }
79 :
80 :
81 : Sequence< Locale > SAL_CALL
82 0 : ThesaurusDispatcher::getLocales()
83 : throw(RuntimeException, std::exception)
84 : {
85 0 : MutexGuard aGuard( GetLinguMutex() );
86 :
87 0 : Sequence< Locale > aLocales( static_cast< sal_Int32 >(aSvcMap.size()) );
88 0 : Locale *pLocales = aLocales.getArray();
89 0 : ThesSvcByLangMap_t::const_iterator aIt;
90 0 : for (aIt = aSvcMap.begin(); aIt != aSvcMap.end(); ++aIt)
91 : {
92 0 : *pLocales++ = LanguageTag::convertToLocale( aIt->first );
93 : }
94 0 : return aLocales;
95 : }
96 :
97 :
98 : sal_Bool SAL_CALL
99 0 : ThesaurusDispatcher::hasLocale( const Locale& rLocale )
100 : throw(RuntimeException, std::exception)
101 : {
102 0 : MutexGuard aGuard( GetLinguMutex() );
103 0 : ThesSvcByLangMap_t::const_iterator aIt( aSvcMap.find( LinguLocaleToLanguage( rLocale ) ) );
104 0 : return aIt != aSvcMap.end();
105 : }
106 :
107 :
108 : Sequence< Reference< XMeaning > > SAL_CALL
109 0 : ThesaurusDispatcher::queryMeanings(
110 : const OUString& rTerm, const Locale& rLocale,
111 : const PropertyValues& rProperties )
112 : throw(IllegalArgumentException, RuntimeException, std::exception)
113 : {
114 0 : MutexGuard aGuard( GetLinguMutex() );
115 :
116 0 : Sequence< Reference< XMeaning > > aMeanings;
117 :
118 0 : sal_Int16 nLanguage = LinguLocaleToLanguage( rLocale );
119 0 : if (LinguIsUnspecified( nLanguage) || rTerm.isEmpty())
120 0 : return aMeanings;
121 :
122 : // search for entry with that language
123 0 : ThesSvcByLangMap_t::iterator aIt( aSvcMap.find( nLanguage ) );
124 0 : LangSvcEntries_Thes *pEntry = aIt != aSvcMap.end() ? aIt->second.get() : NULL;
125 :
126 0 : if (pEntry)
127 : {
128 0 : OUString aChkWord( rTerm );
129 0 : aChkWord = aChkWord.replace( SVT_HARD_SPACE, ' ' );
130 0 : RemoveHyphens( aChkWord );
131 0 : if (IsIgnoreControlChars( rProperties, GetPropSet() ))
132 0 : RemoveControlChars( aChkWord );
133 :
134 0 : sal_Int32 nLen = pEntry->aSvcRefs.getLength();
135 : DBG_ASSERT( nLen == pEntry->aSvcImplNames.getLength(),
136 : "lng : sequence length mismatch");
137 : DBG_ASSERT( pEntry->nLastTriedSvcIndex < nLen,
138 : "lng : index out of range");
139 :
140 0 : sal_Int32 i = 0;
141 :
142 : // try already instantiated services first
143 : {
144 0 : const Reference< XThesaurus > *pRef = pEntry->aSvcRefs.getConstArray();
145 0 : while (i <= pEntry->nLastTriedSvcIndex
146 0 : && aMeanings.getLength() == 0)
147 : {
148 0 : if (pRef[i].is() && pRef[i]->hasLocale( rLocale ))
149 0 : aMeanings = pRef[i]->queryMeanings( aChkWord, rLocale, rProperties );
150 0 : ++i;
151 : }
152 : }
153 :
154 : // if still no result instantiate new services and try those
155 0 : if (aMeanings.getLength() == 0
156 0 : && pEntry->nLastTriedSvcIndex < nLen - 1)
157 : {
158 0 : const OUString *pImplNames = pEntry->aSvcImplNames.getConstArray();
159 0 : Reference< XThesaurus > *pRef = pEntry->aSvcRefs.getArray();
160 :
161 : Reference< XComponentContext > xContext(
162 0 : comphelper::getProcessComponentContext() );
163 :
164 : // build service initialization argument
165 0 : Sequence< Any > aArgs(1);
166 0 : aArgs.getArray()[0] <<= GetPropSet();
167 :
168 0 : while (i < nLen && aMeanings.getLength() == 0)
169 : {
170 : // create specific service via it's implementation name
171 0 : Reference< XThesaurus > xThes;
172 : try
173 : {
174 0 : xThes = Reference< XThesaurus >(
175 0 : xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
176 0 : pImplNames[i], aArgs, xContext ),
177 0 : UNO_QUERY );
178 : }
179 0 : catch (uno::Exception &)
180 : {
181 : DBG_ASSERT( false, "createInstanceWithArguments failed" );
182 : }
183 0 : pRef[i] = xThes;
184 :
185 0 : if (xThes.is() && xThes->hasLocale( rLocale ))
186 0 : aMeanings = xThes->queryMeanings( aChkWord, rLocale, rProperties );
187 :
188 0 : pEntry->nLastTriedSvcIndex = (sal_Int16) i;
189 0 : ++i;
190 0 : }
191 :
192 : // if language is not supported by any of the services
193 : // remove it from the list.
194 0 : if (i == nLen && aMeanings.getLength() == 0)
195 : {
196 0 : if (!SvcListHasLanguage( pEntry->aSvcRefs, rLocale ))
197 0 : aSvcMap.erase( nLanguage );
198 0 : }
199 0 : }
200 : }
201 :
202 0 : return aMeanings;
203 : }
204 :
205 :
206 0 : void ThesaurusDispatcher::SetServiceList( const Locale &rLocale,
207 : const Sequence< OUString > &rSvcImplNames )
208 : {
209 0 : MutexGuard aGuard( GetLinguMutex() );
210 :
211 0 : sal_Int16 nLanguage = LinguLocaleToLanguage( rLocale );
212 :
213 0 : sal_Int32 nLen = rSvcImplNames.getLength();
214 0 : if (0 == nLen)
215 : // remove entry
216 0 : aSvcMap.erase( nLanguage );
217 : else
218 : {
219 : // modify/add entry
220 0 : LangSvcEntries_Thes *pEntry = aSvcMap[ nLanguage ].get();
221 0 : if (pEntry)
222 : {
223 0 : pEntry->Clear();
224 0 : pEntry->aSvcImplNames = rSvcImplNames;
225 0 : pEntry->aSvcRefs = Sequence< Reference < XThesaurus > >( nLen );
226 : }
227 : else
228 : {
229 0 : boost::shared_ptr< LangSvcEntries_Thes > pTmpEntry( new LangSvcEntries_Thes( rSvcImplNames ) );
230 0 : pTmpEntry->aSvcRefs = Sequence< Reference < XThesaurus > >( nLen );
231 0 : aSvcMap[ nLanguage ] = pTmpEntry;
232 : }
233 0 : }
234 0 : }
235 :
236 :
237 : Sequence< OUString >
238 0 : ThesaurusDispatcher::GetServiceList( const Locale &rLocale ) const
239 : {
240 0 : MutexGuard aGuard( GetLinguMutex() );
241 :
242 0 : Sequence< OUString > aRes;
243 :
244 : // search for entry with that language and use data from that
245 0 : sal_Int16 nLanguage = LinguLocaleToLanguage( rLocale );
246 0 : const ThesSvcByLangMap_t::const_iterator aIt( aSvcMap.find( nLanguage ) );
247 0 : const LangSvcEntries_Thes *pEntry = aIt != aSvcMap.end() ? aIt->second.get() : NULL;
248 0 : if (pEntry)
249 0 : aRes = pEntry->aSvcImplNames;
250 :
251 0 : return aRes;
252 : }
253 :
254 :
255 0 : LinguDispatcher::DspType ThesaurusDispatcher::GetDspType() const
256 : {
257 0 : return DSP_THES;
258 : }
259 :
260 :
261 :
262 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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