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/* This file is part of the KDE libraries
* Copyright (C) 1999 David Faure <faure@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2 as published by the Free Software Foundation;
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
**/
#include "kservicefactory.h"
#include "ksycoca.h"
#include "ksycocatype.h"
#include "ksycocadict.h"
#include "kservice.h"
#include <tqstring.h>
#include <klocale.h>
#include <kdebug.h>
#include <kglobal.h>
#include <kstandarddirs.h>
#include <kstaticdeleter.h>
KServiceFactory::KServiceFactory()
: KSycocaFactory( KST_KServiceFactory )
{
m_offerListOffset = 0;
m_nameDictOffset = 0;
m_relNameDictOffset = 0;
m_menuIdDictOffset = 0;
if (m_str)
{
// Read Header
TQ_INT32 i;
(*m_str) >> i;
m_nameDictOffset = i;
(*m_str) >> i;
m_relNameDictOffset = i;
(*m_str) >> i;
m_offerListOffset = i;
(*m_str) >> i;
m_initListOffset = i;
(*m_str) >> i;
m_menuIdDictOffset = i;
int saveOffset = m_str->device()->at();
// Init index tables
m_nameDict = new KSycocaDict(m_str, m_nameDictOffset);
// Init index tables
m_relNameDict = new KSycocaDict(m_str, m_relNameDictOffset);
// Init index tables
m_menuIdDict = new KSycocaDict(m_str, m_menuIdDictOffset);
saveOffset = m_str->device()->at(saveOffset);
}
else
{
// Build new database
m_nameDict = new KSycocaDict();
m_relNameDict = new KSycocaDict();
m_menuIdDict = new KSycocaDict();
}
_self = this;
}
KServiceFactory::~KServiceFactory()
{
_self = 0L;
delete m_nameDict;
delete m_relNameDict;
delete m_menuIdDict;
}
KServiceFactory * KServiceFactory::self()
{
if (!_self) {
_self = new KServiceFactory();
}
return _self;
}
KService * KServiceFactory::tqfindServiceByName(const TQString &_name)
{
if (!m_sycocaDict) return 0; // Error!
// Warning : this assumes we're NOT building a database
// But since tqfindServiceByName isn't called in that case...
// [ see KServiceTypeFactory for how to do it if needed ]
int offset = m_sycocaDict->find_string( _name );
if (!offset) return 0; // Not found
KService * newService = createEntry(offset);
// Check whether the dictionary was right.
if (newService && (newService->name() != _name))
{
// No it wasn't...
delete newService;
newService = 0; // Not found
}
return newService;
}
KService * KServiceFactory::tqfindServiceByDesktopName(const TQString &_name)
{
if (!m_nameDict) return 0; // Error!
// Warning : this assumes we're NOT building a database
// But since tqfindServiceByName isn't called in that case...
// [ see KServiceTypeFactory for how to do it if needed ]
int offset = m_nameDict->find_string( _name );
if (!offset) return 0; // Not found
KService * newService = createEntry(offset);
// Check whether the dictionary was right.
if (newService && (newService->desktopEntryName() != _name))
{
// No it wasn't...
delete newService;
newService = 0; // Not found
}
return newService;
}
KService * KServiceFactory::tqfindServiceByDesktopPath(const TQString &_name)
{
if (!m_relNameDict) return 0; // Error!
// Warning : this assumes we're NOT building a database
// But since tqfindServiceByName isn't called in that case...
// [ see KServiceTypeFactory for how to do it if needed ]
int offset = m_relNameDict->find_string( _name );
if (!offset) return 0; // Not found
KService * newService = createEntry(offset);
// Check whether the dictionary was right.
if (newService && (newService->desktopEntryPath() != _name))
{
// No it wasn't...
delete newService;
newService = 0; // Not found
}
return newService;
}
KService * KServiceFactory::tqfindServiceByMenuId(const TQString &_menuId)
{
if (!m_menuIdDict) return 0; // Error!
// Warning : this assumes we're NOT building a database
// But since tqfindServiceByMenuId isn't called in that case...
// [ see KServiceTypeFactory for how to do it if needed ]
int offset = m_menuIdDict->find_string( _menuId );
if (!offset) return 0; // Not found
KService * newService = createEntry(offset);
// Check whether the dictionary was right.
if (newService && (newService->menuId() != _menuId))
{
// No it wasn't...
delete newService;
newService = 0; // Not found
}
return newService;
}
KService* KServiceFactory::createEntry(int offset)
{
KService * newEntry = 0L;
KSycocaType type;
TQDataStream *str = KSycoca::self()->findEntry(offset, type);
switch(type)
{
case KST_KService:
newEntry = new KService(*str, offset);
break;
default:
kdError(7011) << TQString("KServiceFactory: unexpected object entry in KSycoca database (type = %1)").arg((int)type) << endl;
return 0;
}
if (!newEntry->isValid())
{
kdError(7011) << "KServiceFactory: corrupt object in KSycoca database!\n" << endl;
delete newEntry;
newEntry = 0;
}
return newEntry;
}
KService::List KServiceFactory::allServices()
{
KService::List result;
KSycocaEntry::List list = allEntries();
for( KSycocaEntry::List::Iterator it = list.begin();
it != list.end();
++it)
{
KService *newService = dynamic_cast<KService *>((*it).data());
if (newService)
result.append( KService::Ptr( newService ) );
}
return result;
}
KService::List KServiceFactory::allInitServices()
{
KService::List list;
if (!m_str) return list;
// Assume we're NOT building a database
m_str->device()->at(m_initListOffset);
TQ_INT32 entryCount;
(*m_str) >> entryCount;
TQ_INT32 *offsetList = new TQ_INT32[entryCount];
for(int i = 0; i < entryCount; i++)
{
(*m_str) >> offsetList[i];
}
for(int i = 0; i < entryCount; i++)
{
KService *newEntry = createEntry(offsetList[i]);
if (newEntry)
{
list.append( KService::Ptr( newEntry ) );
}
}
delete [] offsetList;
return list;
}
KService::List KServiceFactory::offers( int serviceTypeOffset )
{
KService::List list;
TQDataStream *str = m_str;
// Jump to the offer list
str->device()->at( m_offerListOffset );
TQ_INT32 aServiceTypeOffset;
TQ_INT32 aServiceOffset;
// We might want to do a binary search instead of a linear search
// since servicetype offsets are sorted. Bah.
while (true)
{
(*str) >> aServiceTypeOffset;
if ( aServiceTypeOffset )
{
(*str) >> aServiceOffset;
if ( aServiceTypeOffset == serviceTypeOffset )
{
// Save stream position !
int savedPos = str->device()->at();
// Create Service
KService * serv = createEntry( aServiceOffset );
if (serv)
list.append( KService::Ptr( serv ) );
// Restore position
str->device()->at( savedPos );
} else if ( aServiceTypeOffset > (TQ_INT32)serviceTypeOffset )
break; // too far
}
else
break; // 0 => end of list
}
return list;
}
KServiceFactory *KServiceFactory::_self = 0;
void KServiceFactory::virtual_hook( int id, void* data )
{ KSycocaFactory::virtual_hook( id, data ); }
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