summaryrefslogtreecommitdiff
path: root/linguistic/source/thesdsp.cxx
blob: c8d31cadc5f288305f5dcb58e884bfcb439ca26f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <i18nlangtag/lang.h>
#include <tools/debug.hxx>
#include <svl/lngmisc.hxx>

#include <cppuhelper/factory.hxx>   // helper for factories
#include <com/sun/star/registry/XRegistryKey.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <comphelper/processfactory.hxx>
#include <osl/mutex.hxx>

#include "thesdsp.hxx"
#include "linguistic/lngprops.hxx"

using namespace osl;
using namespace com::sun::star;
using namespace com::sun::star::beans;
using namespace com::sun::star::lang;
using namespace com::sun::star::uno;
using namespace com::sun::star::linguistic2;
using namespace linguistic;



static sal_Bool SvcListHasLanguage(
        const Sequence< Reference< XThesaurus > > &rRefs,
        const Locale &rLocale )
{
    sal_Bool bHasLanguage = sal_False;

    const Reference< XThesaurus > *pRef = rRefs.getConstArray();
    sal_Int32 nLen = rRefs.getLength();
    for (sal_Int32 k = 0;  k < nLen  &&  !bHasLanguage;  ++k)
    {
        if (pRef[k].is())
            bHasLanguage = pRef[k]->hasLocale( rLocale );
    }

    return bHasLanguage;
}



ThesaurusDispatcher::ThesaurusDispatcher()
{
}


ThesaurusDispatcher::~ThesaurusDispatcher()
{
    ClearSvcList();
}


void ThesaurusDispatcher::ClearSvcList()
{
    // release memory for each table entry
    ThesSvcByLangMap_t aTmp;
    aSvcMap.swap( aTmp );
}


Sequence< Locale > SAL_CALL
    ThesaurusDispatcher::getLocales()
        throw(RuntimeException)
{
    MutexGuard  aGuard( GetLinguMutex() );

    Sequence< Locale > aLocales( static_cast< sal_Int32 >(aSvcMap.size()) );
    Locale *pLocales = aLocales.getArray();
    ThesSvcByLangMap_t::const_iterator aIt;
    for (aIt = aSvcMap.begin();  aIt != aSvcMap.end();  ++aIt)
    {
        *pLocales++ = LanguageTag( aIt->first ).getLocale();
    }
    return aLocales;
}


sal_Bool SAL_CALL
    ThesaurusDispatcher::hasLocale( const Locale& rLocale )
        throw(RuntimeException)
{
    MutexGuard  aGuard( GetLinguMutex() );
    ThesSvcByLangMap_t::const_iterator aIt( aSvcMap.find( LinguLocaleToLanguage( rLocale ) ) );
    return aIt != aSvcMap.end();
}


Sequence< Reference< XMeaning > > SAL_CALL
    ThesaurusDispatcher::queryMeanings(
            const OUString& rTerm, const Locale& rLocale,
            const PropertyValues& rProperties )
        throw(IllegalArgumentException, RuntimeException)
{
    MutexGuard  aGuard( GetLinguMutex() );

    Sequence< Reference< XMeaning > >   aMeanings;

    sal_Int16 nLanguage = LinguLocaleToLanguage( rLocale );
    if (LinguIsUnspecified( nLanguage) || rTerm.isEmpty())
        return aMeanings;

    // search for entry with that language
    ThesSvcByLangMap_t::iterator    aIt( aSvcMap.find( nLanguage ) );
    LangSvcEntries_Thes     *pEntry = aIt != aSvcMap.end() ? aIt->second.get() : NULL;

    if (pEntry)
    {
        OUString aChkWord( rTerm );
        aChkWord = aChkWord.replace( SVT_HARD_SPACE, ' ' );
        RemoveHyphens( aChkWord );
        if (IsIgnoreControlChars( rProperties, GetPropSet() ))
            RemoveControlChars( aChkWord );

        sal_Int32 nLen = pEntry->aSvcRefs.getLength();
        DBG_ASSERT( nLen == pEntry->aSvcImplNames.getLength(),
                "lng : sequence length mismatch");
        DBG_ASSERT( pEntry->nLastTriedSvcIndex < nLen,
                "lng : index out of range");

        sal_Int32 i = 0;

        // try already instantiated services first
        {
            const Reference< XThesaurus > *pRef = pEntry->aSvcRefs.getConstArray();
            while (i <= pEntry->nLastTriedSvcIndex
                   &&  aMeanings.getLength() == 0)
            {
                if (pRef[i].is()  &&  pRef[i]->hasLocale( rLocale ))
                    aMeanings = pRef[i]->queryMeanings( aChkWord, rLocale, rProperties );
                ++i;
            }
        }

        // if still no result instantiate new services and try those
        if (aMeanings.getLength() == 0
            &&  pEntry->nLastTriedSvcIndex < nLen - 1)
        {
            const OUString *pImplNames = pEntry->aSvcImplNames.getConstArray();
            Reference< XThesaurus > *pRef = pEntry->aSvcRefs.getArray();

            Reference< XComponentContext > xContext(
                comphelper::getProcessComponentContext() );

            // build service initialization argument
            Sequence< Any > aArgs(1);
            aArgs.getArray()[0] <<= GetPropSet();

            while (i < nLen  &&  aMeanings.getLength() == 0)
            {
                // create specific service via it's implementation name
                Reference< XThesaurus > xThes;
                try
                {
                    xThes = Reference< XThesaurus >(
                                xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
                                    pImplNames[i], aArgs, xContext ),
                                UNO_QUERY );
                }
                catch (uno::Exception &)
                {
                    DBG_ASSERT( 0, "createInstanceWithArguments failed" );
                }
                pRef[i] = xThes;

                if (xThes.is()  &&  xThes->hasLocale( rLocale ))
                    aMeanings = xThes->queryMeanings( aChkWord, rLocale, rProperties );

                pEntry->nLastTriedSvcIndex = (sal_Int16) i;
                ++i;
            }

            // if language is not supported by any of the services
            // remove it from the list.
            if (i == nLen  &&  aMeanings.getLength() == 0)
            {
                if (!SvcListHasLanguage( pEntry->aSvcRefs, rLocale ))
                    aSvcMap.erase( nLanguage );
            }
        }
    }

    return aMeanings;
}


void ThesaurusDispatcher::SetServiceList( const Locale &rLocale,
        const Sequence< OUString > &rSvcImplNames )
{
    MutexGuard  aGuard( GetLinguMutex() );

    sal_Int16 nLanguage = LinguLocaleToLanguage( rLocale );

    sal_Int32 nLen = rSvcImplNames.getLength();
    if (0 == nLen)
        // remove entry
        aSvcMap.erase( nLanguage );
    else
    {
        // modify/add entry
        LangSvcEntries_Thes *pEntry = aSvcMap[ nLanguage ].get();
        if (pEntry)
        {
            pEntry->Clear();
            pEntry->aSvcImplNames = rSvcImplNames;
            pEntry->aSvcRefs = Sequence< Reference < XThesaurus > >( nLen );
        }
        else
        {
            boost::shared_ptr< LangSvcEntries_Thes > pTmpEntry( new LangSvcEntries_Thes( rSvcImplNames ) );
            pTmpEntry->aSvcRefs = Sequence< Reference < XThesaurus > >( nLen );
            aSvcMap[ nLanguage ] = pTmpEntry;
        }
    }
}


Sequence< OUString >
    ThesaurusDispatcher::GetServiceList( const Locale &rLocale ) const
{
    MutexGuard  aGuard( GetLinguMutex() );

    Sequence< OUString > aRes;

    // search for entry with that language and use data from that
    sal_Int16 nLanguage = LinguLocaleToLanguage( rLocale );
    ThesaurusDispatcher             *pThis = (ThesaurusDispatcher *) this;
    const ThesSvcByLangMap_t::iterator  aIt( pThis->aSvcMap.find( nLanguage ) );
    const LangSvcEntries_Thes       *pEntry = aIt != aSvcMap.end() ? aIt->second.get() : NULL;
    if (pEntry)
        aRes = pEntry->aSvcImplNames;

    return aRes;
}


LinguDispatcher::DspType ThesaurusDispatcher::GetDspType() const
{
    return DSP_THES;
}



/* vim:set shiftwidth=4 softtabstop=4 expandtab: */