summaryrefslogtreecommitdiff
path: root/i18npool/source/characterclassification/characterclassificationImpl.cxx
blob: 6786449d25f95f72db0b44184fa918a1ae77e13e (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
/* -*- 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 <characterclassificationImpl.hxx>
#include <rtl/ustrbuf.hxx>

using namespace com::sun::star::uno;
using namespace com::sun::star::lang;

using ::rtl::OUString;
using ::rtl::OUStringBuffer;

namespace com { namespace sun { namespace star { namespace i18n {

CharacterClassificationImpl::CharacterClassificationImpl(
        const Reference < uno::XComponentContext >& rxContext ) : m_xContext( rxContext )
{
        if (createLocaleSpecificCharacterClassification(OUString("Unicode"), Locale()))
            xUCI = cachedItem->xCI;
}

CharacterClassificationImpl::~CharacterClassificationImpl() {
        // Clear lookuptable
        for (size_t l = 0; l < lookupTable.size(); l++)
            delete lookupTable[l];
        lookupTable.clear();
}


OUString SAL_CALL
CharacterClassificationImpl::toUpper( const OUString& Text, sal_Int32 nPos,
        sal_Int32 nCount, const Locale& rLocale ) throw(RuntimeException)
{
        return getLocaleSpecificCharacterClassification(rLocale)->toUpper(Text, nPos, nCount, rLocale);
}

OUString SAL_CALL
CharacterClassificationImpl::toLower( const OUString& Text, sal_Int32 nPos,
        sal_Int32 nCount, const Locale& rLocale ) throw(RuntimeException)
{
        return getLocaleSpecificCharacterClassification(rLocale)->toLower(Text, nPos, nCount, rLocale);
}

OUString SAL_CALL
CharacterClassificationImpl::toTitle( const OUString& Text, sal_Int32 nPos,
        sal_Int32 nCount, const Locale& rLocale ) throw(RuntimeException)
{
        return getLocaleSpecificCharacterClassification(rLocale)->toTitle(Text, nPos, nCount, rLocale);
}

sal_Int16 SAL_CALL
CharacterClassificationImpl::getType( const OUString& Text, sal_Int32 nPos )
        throw(RuntimeException)
{
        if (xUCI.is())
            return xUCI->getType(Text, nPos);
        throw RuntimeException();
}

sal_Int16 SAL_CALL
CharacterClassificationImpl::getCharacterDirection( const OUString& Text, sal_Int32 nPos )
        throw(RuntimeException)
{
        if (xUCI.is())
            return xUCI->getCharacterDirection(Text, nPos);
        throw RuntimeException();
}

sal_Int16 SAL_CALL
CharacterClassificationImpl::getScript( const OUString& Text, sal_Int32 nPos )
        throw(RuntimeException)
{
        if (xUCI.is())
            return xUCI->getScript(Text, nPos);
        throw RuntimeException();
}

sal_Int32 SAL_CALL
CharacterClassificationImpl::getCharacterType( const OUString& Text, sal_Int32 nPos,
        const Locale& rLocale ) throw(RuntimeException)
{
        return getLocaleSpecificCharacterClassification(rLocale)->getCharacterType(Text, nPos, rLocale);
}

sal_Int32 SAL_CALL
CharacterClassificationImpl::getStringType( const OUString& Text, sal_Int32 nPos,
        sal_Int32 nCount, const Locale& rLocale ) throw(RuntimeException)
{
        return getLocaleSpecificCharacterClassification(rLocale)->getStringType(Text, nPos, nCount, rLocale);
}

ParseResult SAL_CALL CharacterClassificationImpl::parseAnyToken(
        const OUString& Text, sal_Int32 nPos, const Locale& rLocale,
        sal_Int32 startCharTokenType, const OUString& userDefinedCharactersStart,
        sal_Int32 contCharTokenType, const OUString& userDefinedCharactersCont )
        throw(RuntimeException)
{
        return getLocaleSpecificCharacterClassification(rLocale)->parseAnyToken(Text, nPos, rLocale,
                startCharTokenType,userDefinedCharactersStart,
                contCharTokenType, userDefinedCharactersCont);
}


ParseResult SAL_CALL CharacterClassificationImpl::parsePredefinedToken(
        sal_Int32 nTokenType, const OUString& Text, sal_Int32 nPos,
        const Locale& rLocale, sal_Int32 startCharTokenType,
        const OUString& userDefinedCharactersStart, sal_Int32 contCharTokenType,
        const OUString& userDefinedCharactersCont ) throw(RuntimeException)
{
        return getLocaleSpecificCharacterClassification(rLocale)->parsePredefinedToken(
                nTokenType, Text, nPos, rLocale, startCharTokenType, userDefinedCharactersStart,
                contCharTokenType, userDefinedCharactersCont);
}

sal_Bool SAL_CALL CharacterClassificationImpl::createLocaleSpecificCharacterClassification(const OUString& serviceName, const Locale& rLocale)
{
        // to share service between same Language but different Country code, like zh_CN and zh_SG
        for (size_t l = 0; l < lookupTable.size(); l++) {
            cachedItem = lookupTable[l];
            if (serviceName == cachedItem->aName) {
                lookupTable.push_back( cachedItem = new lookupTableItem(rLocale, serviceName, cachedItem->xCI) );
                return sal_True;
            }
        }

        Reference < XInterface > xI = m_xContext->getServiceManager()->createInstanceWithContext(
             OUString("com.sun.star.i18n.CharacterClassification_") + serviceName, m_xContext);

        Reference < XCharacterClassification > xCI;
        if ( xI.is() ) {
            xI->queryInterface(::getCppuType((const Reference< XCharacterClassification>*)0) ) >>= xCI;
            if (xCI.is()) {
                lookupTable.push_back( cachedItem =  new lookupTableItem(rLocale, serviceName, xCI) );
                return sal_True;
            }
        }
        return sal_False;
}

Reference < XCharacterClassification > SAL_CALL
CharacterClassificationImpl::getLocaleSpecificCharacterClassification(const Locale& rLocale)
        throw(RuntimeException)
{
        // reuse instance if locale didn't change
        if (cachedItem && cachedItem->equals(rLocale))
            return cachedItem->xCI;
        else {
            for (size_t i = 0; i < lookupTable.size(); i++) {
                cachedItem = lookupTable[i];
                if (cachedItem->equals(rLocale))
                    return cachedItem->xCI;
            }

            static sal_Unicode under = (sal_Unicode)'_';
            sal_Int32 l = rLocale.Language.getLength();
            sal_Int32 c = rLocale.Country.getLength();
            sal_Int32 v = rLocale.Variant.getLength();
            OUStringBuffer aBuf(l+c+v+3);

                    // load service with name <base>_<lang>_<country>_<varian>
            if ((l > 0 && c > 0 && v > 0 &&
                    createLocaleSpecificCharacterClassification(aBuf.append(rLocale.Language).append(under).append(
                                    rLocale.Country).append(under).append(rLocale.Variant).makeStringAndClear(), rLocale)) ||
                    // load service with name <base>_<lang>_<country>
                (l > 0 && c > 0 &&
                    createLocaleSpecificCharacterClassification(aBuf.append(rLocale.Language).append(under).append(
                                    rLocale.Country).makeStringAndClear(), rLocale)) ||
                (l > 0 && c > 0 && rLocale.Language.compareToAscii("zh") == 0 &&
                                    (rLocale.Country.compareToAscii("HK") == 0 ||
                                    rLocale.Country.compareToAscii("MO") == 0) &&
                    // if the country code is HK or MO, one more step to try TW.
                    createLocaleSpecificCharacterClassification(aBuf.append(rLocale.Language).append(under).append(
                                    "TW").makeStringAndClear(), rLocale)) ||
                (l > 0 &&
                    // load service with name <base>_<lang>
                    createLocaleSpecificCharacterClassification(rLocale.Language, rLocale))) {
                return cachedItem->xCI;
            } else if (xUCI.is()) {
                lookupTable.push_back( cachedItem = new lookupTableItem(rLocale, OUString("Unicode"), xUCI) );
                return cachedItem->xCI;
            }
        }
        throw RuntimeException();
}

const sal_Char cClass[] = "com.sun.star.i18n.CharacterClassification";

OUString SAL_CALL
CharacterClassificationImpl::getImplementationName(void)
                throw( RuntimeException )
{
    return OUString::createFromAscii(cClass);
}

sal_Bool SAL_CALL
CharacterClassificationImpl::supportsService(const rtl::OUString& rServiceName)
                throw( RuntimeException )
{
    return !rServiceName.compareToAscii(cClass);
}

Sequence< OUString > SAL_CALL
CharacterClassificationImpl::getSupportedServiceNames(void) throw( RuntimeException )
{
    Sequence< OUString > aRet(1);
    aRet[0] = OUString::createFromAscii(cClass);
    return aRet;
}

} } } }

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