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kprotocolinfofactory.cpp

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00001 /* This file is part of the KDE libraries
00002    Copyright (C) 1999 Torben Weis <weis@kde.org>
00003    Copyright (C) 2003 Waldo Bastian <bastian@kde.org>
00004 
00005    This library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Library General Public
00007    License version 2 as published by the Free Software Foundation.
00008 
00009    This library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this library; see the file COPYING.LIB.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017    Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #include "kprotocolinfofactory.h"
00021 
00022 #include <kstandarddirs.h>
00023 #include <kdebug.h>
00024 #include <ksycoca.h>
00025 #include <ksycocadict.h>
00026 
00027 KProtocolInfoFactory* KProtocolInfoFactory::_self = 0;
00028 
00029 KProtocolInfoFactory::KProtocolInfoFactory() : KSycocaFactory( KST_KProtocolInfoFactory )
00030 {
00031   _self = this;
00032 }
00033 
00034 KProtocolInfoFactory::~KProtocolInfoFactory()
00035 {
00036   _self = 0;
00037 }
00038 
00039 
00040 KProtocolInfo*
00041 KProtocolInfoFactory::createEntry(int offset) const
00042 {
00043    KProtocolInfo *info = 0;
00044    KSycocaType type;
00045    QDataStream *str = KSycoca::self()->findEntry(offset, type);
00046    switch (type)
00047    {
00048      case KST_KProtocolInfo:
00049        info = new KProtocolInfo(*str, offset);
00050        break;
00051      default:
00052        return 0;
00053    }
00054    if (!info->isValid())
00055    {
00056       delete info;
00057       info = 0;
00058    }
00059    return info;
00060 }
00061 
00062 
00063 QStringList KProtocolInfoFactory::protocols() const
00064 {
00065     QStringList res;
00066     const KSycocaEntry::List list = allEntries();
00067     for( KSycocaEntry::List::const_iterator it = list.begin();
00068          it != list.end();
00069          ++it) {
00070         const KSycocaEntry *entry = (*it).data();
00071         const KProtocolInfo *info = static_cast<const KProtocolInfo *>(entry);
00072         res.append( info->name() );
00073     }
00074     return res;
00075 }
00076 
00077 KProtocolInfo::List KProtocolInfoFactory::allProtocols() const
00078 {
00079     KProtocolInfo::List result;
00080     const KSycocaEntry::List list = allEntries();
00081     for( KSycocaEntry::List::ConstIterator it = list.begin();
00082          it != list.end();
00083          ++it) {
00084         if ((*it)->isType(KST_KProtocolInfo)) {
00085             result.append(KProtocolInfo::Ptr::staticCast(*it));
00086         }
00087     }
00088     return result;
00089 }
00090 
00091 KProtocolInfo::Ptr KProtocolInfoFactory::findProtocol(const QString &protocol)
00092 {
00093   if (!sycocaDict()) return KProtocolInfo::Ptr(); // Error!
00094 
00095   QMap<QString,KProtocolInfo::Ptr>::iterator it = m_cache.find(protocol);
00096   if (it != m_cache.end())
00097      return *it;
00098 
00099   int offset;
00100 
00101   offset = sycocaDict()->find_string( protocol );
00102 
00103   if (!offset) return KProtocolInfo::Ptr(); // Not found;
00104 
00105   KProtocolInfo::Ptr info(createEntry(offset));
00106 
00107   if (info && (info->name() != protocol))
00108   {
00109      // No it wasn't...
00110      return KProtocolInfo::Ptr(); // Not found
00111   }
00112   m_cache.insert(protocol,info);
00113   return info;
00114 }
00115 
00116 void KProtocolInfoFactory::virtual_hook( int id, void* data )
00117 { KSycocaFactory::virtual_hook( id, data ); }

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