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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 : /** === begin UNO using === **/
36 : using ::com::sun::star::uno::Reference;
37 : using ::com::sun::star::uno::XComponentContext;
38 : using ::com::sun::star::uno::Exception;
39 : /** === end UNO using === **/
40 :
41 : //====================================================================
42 : //= SharedResources_Impl
43 : //====================================================================
44 0 : class SharedResources_Impl
45 : {
46 : private:
47 : static SharedResources_Impl* s_pInstance;
48 : static oslInterlockedCount s_nClients;
49 :
50 : private:
51 : ::std::auto_ptr< ::comphelper::OfficeResourceBundle >
52 : m_pResourceBundle;
53 :
54 : public:
55 : static void registerClient();
56 : static void revokeClient();
57 :
58 : static SharedResources_Impl&
59 : getInstance();
60 :
61 : ::rtl::OUString getResourceString( ResourceId _nId );
62 :
63 : private:
64 : SharedResources_Impl();
65 :
66 1 : static ::osl::Mutex& getMutex()
67 : {
68 1 : static ::osl::Mutex s_aMutex;
69 1 : return s_aMutex;
70 : }
71 : };
72 :
73 : //--------------------------------------------------------------------
74 : SharedResources_Impl* SharedResources_Impl::s_pInstance( NULL );
75 : oslInterlockedCount SharedResources_Impl::s_nClients( 0 );
76 :
77 : //--------------------------------------------------------------------
78 0 : SharedResources_Impl::SharedResources_Impl()
79 : {
80 : try
81 : {
82 : Reference< XComponentContext > xContext(
83 0 : comphelper::getProcessComponentContext() );
84 0 : m_pResourceBundle.reset( new ::comphelper::OfficeResourceBundle( xContext, "cnr" ) );
85 : }
86 0 : catch( const Exception& )
87 : {
88 : DBG_UNHANDLED_EXCEPTION();
89 : }
90 0 : }
91 :
92 : //--------------------------------------------------------------------
93 0 : ::rtl::OUString SharedResources_Impl::getResourceString( ResourceId _nId )
94 : {
95 0 : if ( m_pResourceBundle.get() == NULL )
96 : // this should never happen, but we gracefully ignore it. It has been reported
97 : // in the constructor in non-product builds.
98 0 : return ::rtl::OUString();
99 :
100 0 : return m_pResourceBundle->loadString( _nId );
101 : }
102 :
103 : //--------------------------------------------------------------------
104 3 : void SharedResources_Impl::registerClient()
105 : {
106 3 : osl_atomic_increment( &s_nClients );
107 3 : }
108 :
109 : //--------------------------------------------------------------------
110 1 : void SharedResources_Impl::revokeClient()
111 : {
112 1 : ::osl::MutexGuard aGuard( getMutex() );
113 1 : if ( 0 == osl_atomic_decrement( &s_nClients ) )
114 : {
115 0 : delete s_pInstance;
116 0 : s_pInstance = NULL;
117 1 : }
118 1 : }
119 :
120 : //--------------------------------------------------------------------
121 0 : SharedResources_Impl& SharedResources_Impl::getInstance()
122 : {
123 0 : ::osl::MutexGuard aGuard( getMutex() );
124 : OSL_ENSURE( s_nClients > 0, "SharedResources_Impl::getInstance: no active clients!" );
125 :
126 0 : if ( !s_pInstance )
127 0 : s_pInstance = new SharedResources_Impl;
128 :
129 0 : return *s_pInstance;
130 : }
131 :
132 : //====================================================================
133 : //= helpers
134 : //====================================================================
135 : namespace
136 : {
137 0 : size_t lcl_substitute( ::rtl::OUString& _inout_rString,
138 : const sal_Char* _pAsciiPattern, const ::rtl::OUString& _rReplace )
139 : {
140 0 : size_t nOccurrences = 0;
141 :
142 0 : ::rtl::OUString sPattern( ::rtl::OUString::createFromAscii( _pAsciiPattern ) );
143 0 : sal_Int32 nIndex = 0;
144 0 : while ( ( nIndex = _inout_rString.indexOf( sPattern ) ) > -1 )
145 : {
146 0 : ++nOccurrences;
147 0 : _inout_rString = _inout_rString.replaceAt( nIndex, sPattern.getLength(), _rReplace );
148 : }
149 :
150 0 : return nOccurrences;
151 : }
152 : }
153 :
154 : //====================================================================
155 : //= SharedResources
156 : //====================================================================
157 : //--------------------------------------------------------------------
158 3 : SharedResources::SharedResources()
159 : {
160 3 : SharedResources_Impl::registerClient();
161 3 : }
162 :
163 : //--------------------------------------------------------------------
164 1 : SharedResources::~SharedResources()
165 : {
166 1 : SharedResources_Impl::revokeClient();
167 1 : }
168 :
169 : //--------------------------------------------------------------------
170 0 : ::rtl::OUString SharedResources::getResourceString( ResourceId _nResId ) const
171 : {
172 0 : return SharedResources_Impl::getInstance().getResourceString( _nResId );
173 : }
174 :
175 : //--------------------------------------------------------------------
176 0 : ::rtl::OUString SharedResources::getResourceStringWithSubstitution( ResourceId _nResId,
177 : const sal_Char* _pAsciiPatternToReplace, const ::rtl::OUString& _rStringToSubstitute ) const
178 : {
179 0 : ::rtl::OUString sString( SharedResources_Impl::getInstance().getResourceString( _nResId ) );
180 0 : OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace, _rStringToSubstitute ) );
181 0 : return sString;
182 : }
183 :
184 : //--------------------------------------------------------------------
185 0 : ::rtl::OUString SharedResources::getResourceStringWithSubstitution( ResourceId _nResId,
186 : const sal_Char* _pAsciiPatternToReplace1, const ::rtl::OUString& _rStringToSubstitute1,
187 : const sal_Char* _pAsciiPatternToReplace2, const ::rtl::OUString& _rStringToSubstitute2 ) const
188 : {
189 0 : ::rtl::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 : return sString;
193 : }
194 :
195 : //--------------------------------------------------------------------
196 0 : ::rtl::OUString SharedResources::getResourceStringWithSubstitution( ResourceId _nResId,
197 : const sal_Char* _pAsciiPatternToReplace1, const ::rtl::OUString& _rStringToSubstitute1,
198 : const sal_Char* _pAsciiPatternToReplace2, const ::rtl::OUString& _rStringToSubstitute2,
199 : const sal_Char* _pAsciiPatternToReplace3, const ::rtl::OUString& _rStringToSubstitute3 ) const
200 : {
201 0 : ::rtl::OUString sString( SharedResources_Impl::getInstance().getResourceString( _nResId ) );
202 0 : OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace1, _rStringToSubstitute1 ) );
203 0 : OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace2, _rStringToSubstitute2 ) );
204 0 : OSL_VERIFY( lcl_substitute( sString, _pAsciiPatternToReplace3, _rStringToSubstitute3 ) );
205 0 : return sString;
206 : }
207 : //--------------------------------------------------------------------
208 0 : ::rtl::OUString SharedResources::getResourceStringWithSubstitution( ResourceId _nResId,
209 : const ::std::list< ::std::pair<const sal_Char* , ::rtl::OUString > > _aStringToSubstitutes) const
210 : {
211 0 : ::rtl::OUString sString( SharedResources_Impl::getInstance().getResourceString( _nResId ) );
212 0 : ::std::list< ::std::pair<const sal_Char* , ::rtl::OUString > >::const_iterator aIter = _aStringToSubstitutes.begin();
213 0 : ::std::list< ::std::pair<const sal_Char* , ::rtl::OUString > >::const_iterator aEnd = _aStringToSubstitutes.end();
214 0 : for(;aIter != aEnd; ++aIter)
215 0 : OSL_VERIFY( lcl_substitute( sString, aIter->first, aIter->second ) );
216 :
217 0 : return sString;
218 : }
219 :
220 : //........................................................................
221 : } // namespace connectivity
222 : //........................................................................
223 :
224 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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