kio Library API Documentation

kservicegroupfactory.cpp

00001 /* This file is part of the KDE libraries 00002 * Copyright (C) 2000 Waldo Bastian <bastian@kde.org> 00003 * 00004 * This library is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU Library General Public 00006 * License version 2 as published by the Free Software Foundation; 00007 * 00008 * This library is distributed in the hope that it will be useful, 00009 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00011 * Library General Public License for more details. 00012 * 00013 * You should have received a copy of the GNU Library General Public License 00014 * along with this library; see the file COPYING.LIB. If not, write to 00015 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 00016 * Boston, MA 02111-1307, USA. 00017 **/ 00018 00019 #include "kservicegroupfactory.h" 00020 #include "ksycoca.h" 00021 #include "ksycocatype.h" 00022 #include "ksycocadict.h" 00023 #include "kservice.h" 00024 00025 #include <qstring.h> 00026 00027 #include <klocale.h> 00028 #include <kdebug.h> 00029 #include <kglobal.h> 00030 #include <kstandarddirs.h> 00031 00032 KServiceGroupFactory::KServiceGroupFactory() 00033 : KSycocaFactory( KST_KServiceGroupFactory ) 00034 { 00035 m_baseGroupDictOffset = 0; 00036 if (m_str) 00037 { 00038 // Read Header 00039 Q_INT32 i; 00040 (*m_str) >> i; 00041 m_baseGroupDictOffset = i; 00042 00043 int saveOffset = m_str->device()->at(); 00044 // Init index tables 00045 m_baseGroupDict = new KSycocaDict(m_str, m_baseGroupDictOffset); 00046 m_str->device()->at(saveOffset); 00047 } 00048 else 00049 { 00050 // Build new database 00051 m_baseGroupDict = new KSycocaDict(); 00052 } 00053 _self = this; 00054 } 00055 00056 KServiceGroupFactory::~KServiceGroupFactory() 00057 { 00058 _self = 0L; 00059 delete m_baseGroupDict; 00060 } 00061 00062 KServiceGroupFactory * KServiceGroupFactory::self() 00063 { 00064 if (!_self) 00065 _self = new KServiceGroupFactory(); 00066 return _self; 00067 } 00068 00069 KServiceGroup * KServiceGroupFactory::findGroupByDesktopPath(const QString &_name, bool deep) 00070 { 00071 if (!m_sycocaDict) return 0; // Error! 00072 00073 // Warning : this assumes we're NOT building a database 00074 // But since findServiceByName isn't called in that case... 00075 // [ see KServiceTypeFactory for how to do it if needed ] 00076 00077 int offset = m_sycocaDict->find_string( _name ); 00078 if (!offset) return 0; // Not found 00079 00080 KServiceGroup * newGroup = createGroup(offset, deep); 00081 00082 // Check whether the dictionary was right. 00083 if (newGroup && (newGroup->relPath() != _name)) 00084 { 00085 // No it wasn't... 00086 delete newGroup; 00087 newGroup = 0; // Not found 00088 } 00089 return newGroup; 00090 } 00091 00092 KServiceGroup * KServiceGroupFactory::findBaseGroup(const QString &_baseGroupName, bool deep) 00093 { 00094 if (!m_baseGroupDict) return 0; // Error! 00095 00096 // Warning : this assumes we're NOT building a database 00097 // But since findServiceByName isn't called in that case... 00098 // [ see KServiceTypeFactory for how to do it if needed ] 00099 00100 int offset = m_baseGroupDict->find_string( _baseGroupName ); 00101 if (!offset) return 0; // Not found 00102 00103 KServiceGroup * newGroup = createGroup(offset, deep); 00104 00105 // Check whether the dictionary was right. 00106 if (newGroup && (newGroup->baseGroupName() != _baseGroupName)) 00107 { 00108 // No it wasn't... 00109 delete newGroup; 00110 newGroup = 0; // Not found 00111 } 00112 return newGroup; 00113 } 00114 00115 KServiceGroup* KServiceGroupFactory::createGroup(int offset, bool deep) 00116 { 00117 KServiceGroup * newEntry = 0L; 00118 KSycocaType type; 00119 QDataStream *str = KSycoca::self()->findEntry(offset, type); 00120 switch(type) 00121 { 00122 case KST_KServiceGroup: 00123 newEntry = new KServiceGroup(*str, offset, deep); 00124 break; 00125 00126 default: 00127 kdError(7011) << QString("KServiceGroupFactory: unexpected object entry in KSycoca database (type = %1)").arg((int)type) << endl; 00128 return 0; 00129 } 00130 if (!newEntry->isValid()) 00131 { 00132 kdError(7011) << "KServiceGroupFactory: corrupt object in KSycoca database!\n" << endl; 00133 delete newEntry; 00134 newEntry = 0; 00135 } 00136 return newEntry; 00137 } 00138 00139 KServiceGroup* KServiceGroupFactory::createEntry(int offset) 00140 { 00141 return createGroup(offset, true); 00142 } 00143 00144 KServiceGroupFactory *KServiceGroupFactory::_self = 0; 00145 00146 void KServiceGroupFactory::virtual_hook( int id, void* data ) 00147 { KSycocaFactory::virtual_hook( id, data ); } 00148
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This file is part of the documentation for kio Library Version 3.4.0.
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