summaryrefslogtreecommitdiff
path: root/linguistic/source/iprcache.cxx
blob: a83cb6bc0d813ea99687bd7aa66c8278949e09e3 (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
/* -*- 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 <string.h>

#include "iprcache.hxx"
#include "linguistic/misc.hxx"

#include <com/sun/star/linguistic2/DictionaryListEventFlags.hpp>
#include <tools/debug.hxx>
#include <osl/mutex.hxx>
#include <linguistic/lngprops.hxx>

using namespace utl;
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;


namespace linguistic
{


#define NUM_FLUSH_PROPS     6

static const struct
{
    const char *pPropName;
    sal_Int32       nPropHdl;
} aFlushProperties[ NUM_FLUSH_PROPS ] =
{
    { UPN_IS_USE_DICTIONARY_LIST,         UPH_IS_USE_DICTIONARY_LIST },
    { UPN_IS_IGNORE_CONTROL_CHARACTERS,   UPH_IS_IGNORE_CONTROL_CHARACTERS },
    { UPN_IS_SPELL_UPPER_CASE,            UPH_IS_SPELL_UPPER_CASE },
    { UPN_IS_SPELL_WITH_DIGITS,           UPH_IS_SPELL_WITH_DIGITS },
    { UPN_IS_SPELL_CAPITALIZATION,        UPH_IS_SPELL_CAPITALIZATION }
};


static void lcl_AddAsPropertyChangeListener(
        Reference< XPropertyChangeListener > xListener,
        Reference< XLinguProperties > &rPropSet )
{
    if (xListener.is() && rPropSet.is())
    {
        for (int i = 0;  i < NUM_FLUSH_PROPS;  ++i)
        {
            rPropSet->addPropertyChangeListener(
                    OUString::createFromAscii(aFlushProperties[i].pPropName), xListener );
        }
    }
}


static void lcl_RemoveAsPropertyChangeListener(
        Reference< XPropertyChangeListener > xListener,
        Reference< XLinguProperties > &rPropSet )
{
    if (xListener.is() && rPropSet.is())
    {
        for (int i = 0;  i < NUM_FLUSH_PROPS;  ++i)
        {
            rPropSet->removePropertyChangeListener(
                    OUString::createFromAscii(aFlushProperties[i].pPropName), xListener );
        }
    }
}


static bool lcl_IsFlushProperty( sal_Int32 nHandle )
{
    int i;
    for (i = 0;  i < NUM_FLUSH_PROPS;  ++i)
    {
        if (nHandle == aFlushProperties[i].nPropHdl)
            break;
    }
    return i < NUM_FLUSH_PROPS;
}


void FlushListener::SetDicList( Reference<XSearchableDictionaryList> &rDL )
{
    MutexGuard  aGuard( GetLinguMutex() );

    if (xDicList != rDL)
    {
        if (xDicList.is())
            xDicList->removeDictionaryListEventListener( this );

        xDicList = rDL;
        if (xDicList.is())
            xDicList->addDictionaryListEventListener( this, sal_False );
    }
}


void FlushListener::SetPropSet( Reference< XLinguProperties > &rPS )
{
    MutexGuard  aGuard( GetLinguMutex() );

    if (xPropSet != rPS)
    {
        if (xPropSet.is())
            lcl_RemoveAsPropertyChangeListener( this, xPropSet );

        xPropSet = rPS;
        if (xPropSet.is())
            lcl_AddAsPropertyChangeListener( this, xPropSet );
    }
}


void SAL_CALL FlushListener::disposing( const EventObject& rSource )
        throw(RuntimeException, std::exception)
{
    MutexGuard  aGuard( GetLinguMutex() );

    if (xDicList.is()  &&  rSource.Source == xDicList)
    {
        xDicList->removeDictionaryListEventListener( this );
        xDicList = nullptr;    //! release reference
    }
    if (xPropSet.is()  &&  rSource.Source == xPropSet)
    {
        lcl_RemoveAsPropertyChangeListener( this, xPropSet );
        xPropSet = nullptr;    //! release reference
    }
}


void SAL_CALL FlushListener::processDictionaryListEvent(
            const DictionaryListEvent& rDicListEvent )
        throw(RuntimeException, std::exception)
{
    MutexGuard  aGuard( GetLinguMutex() );

    if (rDicListEvent.Source == xDicList)
    {
        sal_Int16 nEvt = rDicListEvent.nCondensedEvent;
        sal_Int16 nFlushFlags =
                DictionaryListEventFlags::ADD_NEG_ENTRY     |
                DictionaryListEventFlags::DEL_POS_ENTRY     |
                DictionaryListEventFlags::ACTIVATE_NEG_DIC  |
                DictionaryListEventFlags::DEACTIVATE_POS_DIC;
        bool bFlush = 0 != (nEvt & nFlushFlags);

        if (bFlush)
            mrSpellCache.Flush();
    }
}


void SAL_CALL FlushListener::propertyChange(
            const PropertyChangeEvent& rEvt )
        throw(RuntimeException, std::exception)
{
    MutexGuard  aGuard( GetLinguMutex() );

    if (rEvt.Source == xPropSet)
    {
        bool bFlush = lcl_IsFlushProperty( rEvt.PropertyHandle );

        if (bFlush)
            mrSpellCache.Flush();
    }
}


SpellCache::SpellCache()
{
    pFlushLstnr = new FlushListener( *this );
    xFlushLstnr = pFlushLstnr;
    Reference<XSearchableDictionaryList> aDictionaryList(GetDictionaryList());
    pFlushLstnr->SetDicList( aDictionaryList ); //! after reference is established
    Reference<XLinguProperties> aPropertySet(GetLinguProperties());
    pFlushLstnr->SetPropSet( aPropertySet );    //! after reference is established
}

SpellCache::~SpellCache()
{
    Reference<XSearchableDictionaryList>  aEmptyList;
    Reference<XLinguProperties>     aEmptySet;
    pFlushLstnr->SetDicList( aEmptyList );
    pFlushLstnr->SetPropSet( aEmptySet );
}

void SpellCache::Flush()
{
    MutexGuard  aGuard( GetLinguMutex() );
    // clear word list
    LangWordList_t aEmpty;
    aWordLists.swap( aEmpty );
}

bool SpellCache::CheckWord( const OUString& rWord, LanguageType nLang )
{
    MutexGuard  aGuard( GetLinguMutex() );
    WordList_t &rList = aWordLists[ nLang ];
    const WordList_t::const_iterator aIt = rList.find( rWord );
    return aIt != rList.end();
}

void SpellCache::AddWord( const OUString& rWord, LanguageType nLang )
{
    MutexGuard  aGuard( GetLinguMutex() );
    WordList_t & rList = aWordLists[ nLang ];
    // occasional clean-up...
    if (rList.size() > 500)
        rList.clear();
    rList.insert( rWord );
}

}   // namespace linguistic

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