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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 "resource/sharedresources.hxx"
21 :
22 : #include <comphelper/processfactory.hxx>
23 : #include <comphelper/officeresourcebundle.hxx>
24 :
25 : #include <com/sun/star/uno/XComponentContext.hpp>
26 :
27 : #include <tools/diagnose_ex.h>
28 : #include <osl/diagnose.h>
29 :
30 :
31 : namespace connectivity
32 : {
33 :
34 :
35 : using ::com::sun::star::uno::Reference;
36 : using ::com::sun::star::uno::XComponentContext;
37 : using ::com::sun::star::uno::Exception;
38 :
39 :
40 : //= SharedResources_Impl
41 :
42 5 : class SharedResources_Impl
43 : {
44 : private:
45 : static SharedResources_Impl* s_pInstance;
46 : static oslInterlockedCount s_nClients;
47 :
48 : private:
49 : ::std::unique_ptr< ::comphelper::OfficeResourceBundle >
50 : m_pResourceBundle;
51 :
52 : public:
53 : static void registerClient();
54 : static void revokeClient();
55 :
56 : static SharedResources_Impl&
57 : getInstance();
58 :
59 : OUString getResourceString( ResourceId _nId );
60 :
61 : private:
62 : SharedResources_Impl();
63 :
64 118 : static ::osl::Mutex& getMutex()
65 : {
66 118 : static ::osl::Mutex s_aMutex;
67 118 : return s_aMutex;
68 : }
69 : };
70 :
71 :
72 : SharedResources_Impl* SharedResources_Impl::s_pInstance( NULL );
73 : oslInterlockedCount SharedResources_Impl::s_nClients( 0 );
74 :
75 :
76 5 : SharedResources_Impl::SharedResources_Impl()
77 : {
78 : try
79 : {
80 : Reference< XComponentContext > xContext(
81 5 : comphelper::getProcessComponentContext() );
82 5 : m_pResourceBundle.reset( new ::comphelper::OfficeResourceBundle( xContext, "cnr" ) );
83 : }
84 0 : catch( const Exception& )
85 : {
86 : DBG_UNHANDLED_EXCEPTION();
87 : }
88 5 : }
89 :
90 :
91 46 : OUString SharedResources_Impl::getResourceString( ResourceId _nId )
92 : {
93 46 : if ( m_pResourceBundle.get() == NULL )
94 : // this should never happen, but we gracefully ignore it. It has been reported
95 : // in the constructor in non-product builds.
96 0 : return OUString();
97 :
98 46 : return m_pResourceBundle->loadString( _nId );
99 : }
100 :
101 :
102 74 : void SharedResources_Impl::registerClient()
103 : {
104 74 : osl_atomic_increment( &s_nClients );
105 74 : }
106 :
107 :
108 72 : void SharedResources_Impl::revokeClient()
109 : {
110 72 : ::osl::MutexGuard aGuard( getMutex() );
111 72 : if ( 0 == osl_atomic_decrement( &s_nClients ) )
112 : {
113 25 : delete s_pInstance;
114 25 : s_pInstance = NULL;
115 72 : }
116 72 : }
117 :
118 :
119 46 : SharedResources_Impl& SharedResources_Impl::getInstance()
120 : {
121 46 : ::osl::MutexGuard aGuard( getMutex() );
122 : OSL_ENSURE( s_nClients > 0, "SharedResources_Impl::getInstance: no active clients!" );
123 :
124 46 : if ( !s_pInstance )
125 5 : s_pInstance = new SharedResources_Impl;
126 :
127 46 : return *s_pInstance;
128 : }
129 :
130 :
131 : //= helpers
132 :
133 : namespace
134 : {
135 0 : size_t lcl_substitute( OUString& _inout_rString,
136 : const sal_Char* _pAsciiPattern, const OUString& _rReplace )
137 : {
138 0 : size_t nOccurrences = 0;
139 :
140 0 : OUString sPattern( OUString::createFromAscii( _pAsciiPattern ) );
141 0 : sal_Int32 nIndex = 0;
142 0 : while ( ( nIndex = _inout_rString.indexOf( sPattern ) ) > -1 )
143 : {
144 0 : ++nOccurrences;
145 0 : _inout_rString = _inout_rString.replaceAt( nIndex, sPattern.getLength(), _rReplace );
146 : }
147 :
148 0 : return nOccurrences;
149 : }
150 : }
151 :
152 :
153 : //= SharedResources
154 :
155 :
156 74 : SharedResources::SharedResources()
157 : {
158 74 : SharedResources_Impl::registerClient();
159 74 : }
160 :
161 :
162 72 : SharedResources::~SharedResources()
163 : {
164 72 : SharedResources_Impl::revokeClient();
165 72 : }
166 :
167 :
168 46 : OUString SharedResources::getResourceString( ResourceId _nResId ) const
169 : {
170 46 : return SharedResources_Impl::getInstance().getResourceString( _nResId );
171 : }
172 :
173 :
174 0 : OUString SharedResources::getResourceStringWithSubstitution( ResourceId _nResId,
175 : const sal_Char* _pAsciiPatternToReplace, const OUString& _rStringToSubstitute ) const
176 : {
177 0 : OUString sString( SharedResources_Impl::getInstance().getResourceString( _nResId ) );
178 0 : OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace, _rStringToSubstitute ) );
179 0 : return sString;
180 : }
181 :
182 :
183 0 : OUString SharedResources::getResourceStringWithSubstitution( ResourceId _nResId,
184 : const sal_Char* _pAsciiPatternToReplace1, const OUString& _rStringToSubstitute1,
185 : const sal_Char* _pAsciiPatternToReplace2, const OUString& _rStringToSubstitute2 ) const
186 : {
187 0 : OUString sString( SharedResources_Impl::getInstance().getResourceString( _nResId ) );
188 0 : OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace1, _rStringToSubstitute1 ) );
189 0 : OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace2, _rStringToSubstitute2 ) );
190 0 : return sString;
191 : }
192 :
193 :
194 0 : OUString SharedResources::getResourceStringWithSubstitution( ResourceId _nResId,
195 : const sal_Char* _pAsciiPatternToReplace1, const OUString& _rStringToSubstitute1,
196 : const sal_Char* _pAsciiPatternToReplace2, const OUString& _rStringToSubstitute2,
197 : const sal_Char* _pAsciiPatternToReplace3, const OUString& _rStringToSubstitute3 ) const
198 : {
199 0 : OUString sString( SharedResources_Impl::getInstance().getResourceString( _nResId ) );
200 0 : OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace1, _rStringToSubstitute1 ) );
201 0 : OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace2, _rStringToSubstitute2 ) );
202 0 : OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace3, _rStringToSubstitute3 ) );
203 0 : return sString;
204 : }
205 :
206 0 : OUString SharedResources::getResourceStringWithSubstitution( ResourceId _nResId,
207 : const ::std::list< ::std::pair<const sal_Char* , OUString > > _aStringToSubstitutes) const
208 : {
209 0 : OUString sString( SharedResources_Impl::getInstance().getResourceString( _nResId ) );
210 0 : ::std::list< ::std::pair<const sal_Char* , OUString > >::const_iterator aIter = _aStringToSubstitutes.begin();
211 0 : ::std::list< ::std::pair<const sal_Char* , OUString > >::const_iterator aEnd = _aStringToSubstitutes.end();
212 0 : for(;aIter != aEnd; ++aIter)
213 0 : OSL_VERIFY( lcl_substitute( sString, aIter->first, aIter->second ) );
214 :
215 0 : return sString;
216 : }
217 :
218 :
219 : } // namespace connectivity
220 :
221 :
222 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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