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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 9 : class SharedResources_Impl
40 : {
41 : private:
42 : static SharedResources_Impl* s_pInstance;
43 : static oslInterlockedCount s_nClients;
44 :
45 : private:
46 : ::std::unique_ptr< ::comphelper::OfficeResourceBundle >
47 : m_pResourceBundle;
48 :
49 : public:
50 : static void registerClient();
51 : static void revokeClient();
52 :
53 : static SharedResources_Impl&
54 : getInstance();
55 :
56 : OUString getResourceString( ResourceId _nId );
57 :
58 : private:
59 : SharedResources_Impl();
60 :
61 73 : static ::osl::Mutex& getMutex()
62 : {
63 73 : static ::osl::Mutex s_aMutex;
64 73 : return s_aMutex;
65 : }
66 : };
67 :
68 :
69 : SharedResources_Impl* SharedResources_Impl::s_pInstance( NULL );
70 : oslInterlockedCount SharedResources_Impl::s_nClients( 0 );
71 :
72 :
73 9 : SharedResources_Impl::SharedResources_Impl()
74 : {
75 : try
76 : {
77 : Reference< XComponentContext > xContext(
78 9 : comphelper::getProcessComponentContext() );
79 9 : m_pResourceBundle.reset( new ::comphelper::OfficeResourceBundle( xContext, "cnr" ) );
80 : }
81 0 : catch( const Exception& )
82 : {
83 : DBG_UNHANDLED_EXCEPTION();
84 : }
85 9 : }
86 :
87 :
88 23 : OUString SharedResources_Impl::getResourceString( ResourceId _nId )
89 : {
90 23 : if ( m_pResourceBundle.get() == NULL )
91 : // this should never happen, but we gracefully ignore it. It has been reported
92 : // in the constructor in non-product builds.
93 0 : return OUString();
94 :
95 23 : return m_pResourceBundle->loadString( _nId );
96 : }
97 :
98 :
99 51 : void SharedResources_Impl::registerClient()
100 : {
101 51 : osl_atomic_increment( &s_nClients );
102 51 : }
103 :
104 :
105 50 : void SharedResources_Impl::revokeClient()
106 : {
107 50 : ::osl::MutexGuard aGuard( getMutex() );
108 50 : if ( 0 == osl_atomic_decrement( &s_nClients ) )
109 : {
110 28 : delete s_pInstance;
111 28 : s_pInstance = NULL;
112 50 : }
113 50 : }
114 :
115 :
116 23 : SharedResources_Impl& SharedResources_Impl::getInstance()
117 : {
118 23 : ::osl::MutexGuard aGuard( getMutex() );
119 : OSL_ENSURE( s_nClients > 0, "SharedResources_Impl::getInstance: no active clients!" );
120 :
121 23 : if ( !s_pInstance )
122 9 : s_pInstance = new SharedResources_Impl;
123 :
124 23 : return *s_pInstance;
125 : }
126 :
127 : namespace
128 : {
129 0 : size_t lcl_substitute( OUString& _inout_rString,
130 : const sal_Char* _pAsciiPattern, const OUString& _rReplace )
131 : {
132 0 : size_t nOccurrences = 0;
133 :
134 0 : OUString sPattern( OUString::createFromAscii( _pAsciiPattern ) );
135 0 : sal_Int32 nIndex = 0;
136 0 : while ( ( nIndex = _inout_rString.indexOf( sPattern ) ) > -1 )
137 : {
138 0 : ++nOccurrences;
139 0 : _inout_rString = _inout_rString.replaceAt( nIndex, sPattern.getLength(), _rReplace );
140 : }
141 :
142 0 : return nOccurrences;
143 : }
144 : }
145 :
146 51 : SharedResources::SharedResources()
147 : {
148 51 : SharedResources_Impl::registerClient();
149 51 : }
150 :
151 :
152 50 : SharedResources::~SharedResources()
153 : {
154 50 : SharedResources_Impl::revokeClient();
155 50 : }
156 :
157 :
158 23 : OUString SharedResources::getResourceString( ResourceId _nResId ) const
159 : {
160 23 : return SharedResources_Impl::getInstance().getResourceString( _nResId );
161 : }
162 :
163 :
164 0 : OUString SharedResources::getResourceStringWithSubstitution( ResourceId _nResId,
165 : const sal_Char* _pAsciiPatternToReplace, const OUString& _rStringToSubstitute ) const
166 : {
167 0 : OUString sString( SharedResources_Impl::getInstance().getResourceString( _nResId ) );
168 0 : OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace, _rStringToSubstitute ) );
169 0 : return sString;
170 : }
171 :
172 :
173 0 : OUString SharedResources::getResourceStringWithSubstitution( ResourceId _nResId,
174 : const sal_Char* _pAsciiPatternToReplace1, const OUString& _rStringToSubstitute1,
175 : const sal_Char* _pAsciiPatternToReplace2, const OUString& _rStringToSubstitute2 ) const
176 : {
177 0 : OUString sString( SharedResources_Impl::getInstance().getResourceString( _nResId ) );
178 0 : OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace1, _rStringToSubstitute1 ) );
179 0 : OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace2, _rStringToSubstitute2 ) );
180 0 : return sString;
181 : }
182 :
183 :
184 0 : OUString SharedResources::getResourceStringWithSubstitution( ResourceId _nResId,
185 : const sal_Char* _pAsciiPatternToReplace1, const OUString& _rStringToSubstitute1,
186 : const sal_Char* _pAsciiPatternToReplace2, const OUString& _rStringToSubstitute2,
187 : const sal_Char* _pAsciiPatternToReplace3, const OUString& _rStringToSubstitute3 ) const
188 : {
189 0 : OUString sString( SharedResources_Impl::getInstance().getResourceString( _nResId ) );
190 0 : OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace1, _rStringToSubstitute1 ) );
191 0 : OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace2, _rStringToSubstitute2 ) );
192 0 : OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace3, _rStringToSubstitute3 ) );
193 0 : return sString;
194 : }
195 :
196 0 : OUString SharedResources::getResourceStringWithSubstitution( ResourceId _nResId,
197 : const ::std::list< ::std::pair<const sal_Char* , OUString > >& _rStringToSubstitutes) const
198 : {
199 0 : OUString sString( SharedResources_Impl::getInstance().getResourceString( _nResId ) );
200 0 : ::std::list< ::std::pair<const sal_Char* , OUString > >::const_iterator aIter = _rStringToSubstitutes.begin();
201 0 : ::std::list< ::std::pair<const sal_Char* , OUString > >::const_iterator aEnd = _rStringToSubstitutes.end();
202 0 : for(;aIter != aEnd; ++aIter)
203 0 : OSL_VERIFY( lcl_substitute( sString, aIter->first, aIter->second ) );
204 :
205 0 : return sString;
206 : }
207 :
208 :
209 : } // namespace connectivity
210 :
211 :
212 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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