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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 "tdesycoca.h"
#include "tdesycocatype.h"
#include "tdesycocafactory.h"
#include "tdesycocaentry.h"
#include "tdesycocadict.h"
#include <tqstringlist.h>
#include <tqdict.h>
#include <kdebug.h>
template class TQDict<KSycocaEntry>;
template class TQDict<KSharedPtr<KSycocaEntry> >;
KSycocaFactory::KSycocaFactory(KSycocaFactoryId factory_id)
: m_resourceList(0), m_entryDict(0), m_sycocaDict(0)
{
if (!KSycoca::self()->isBuilding()) // read-only database ?
{
m_str = KSycoca::self()->findFactory( factory_id );
// can't call factoryId() here since the constructor can't call inherited methods
if (m_str) // Can be 0 in case of errors
{
// Read position of index tables....
TQ_INT32 i;
(*m_str) >> i;
m_sycocaDictOffset = i;
(*m_str) >> i;
m_beginEntryOffset = i;
(*m_str) >> i;
m_endEntryOffset = i;
int saveOffset = m_str->device()->at();
// Init index tables
m_sycocaDict = new KSycocaDict(m_str, m_sycocaDictOffset);
saveOffset = m_str->device()->at(saveOffset);
}
}
else
{
// Build new database!
m_str = 0;
m_resourceList = 0;
m_entryDict = new KSycocaEntryDict(977);
m_entryDict->setAutoDelete(true);
m_sycocaDict = new KSycocaDict();
m_beginEntryOffset = 0;
m_endEntryOffset = 0;
// m_resourceList will be filled in by inherited constructors
}
KSycoca::self()->addFactory(this);
}
KSycocaFactory::~KSycocaFactory()
{
delete m_entryDict;
delete m_sycocaDict;
}
void
KSycocaFactory::saveHeader(TQDataStream &str)
{
// Write header
str.device()->at(mOffset);
str << (TQ_INT32) m_sycocaDictOffset;
str << (TQ_INT32) m_beginEntryOffset;
str << (TQ_INT32) m_endEntryOffset;
}
void
KSycocaFactory::save(TQDataStream &str)
{
if (!m_entryDict) return; // Error! Function should only be called when
// building database
if (!m_sycocaDict) return; // Error!
mOffset = str.device()->at(); // store position in member variable
m_sycocaDictOffset = 0;
// Write header (pass #1)
saveHeader(str);
m_beginEntryOffset = str.device()->at();
// Write all entries.
int entryCount = 0;
for(TQDictIterator<KSycocaEntry::Ptr> it ( *m_entryDict );
it.current();
++it)
{
KSycocaEntry *entry = (*it.current());
entry->save(str);
entryCount++;
}
m_endEntryOffset = str.device()->at();
// Write indices...
// Linear index
str << (TQ_INT32) entryCount;
for(TQDictIterator<KSycocaEntry::Ptr> it ( *m_entryDict );
it.current();
++it)
{
KSycocaEntry *entry = (*it.current());
str << (TQ_INT32) entry->offset();
}
// Dictionary index
m_sycocaDictOffset = str.device()->at();
m_sycocaDict->save(str);
int endOfFactoryData = str.device()->at();
// Update header (pass #2)
saveHeader(str);
// Seek to end.
str.device()->at(endOfFactoryData);
}
void
KSycocaFactory::addEntry(KSycocaEntry *newEntry, const char *)
{
if (!m_entryDict) return; // Error! Function should only be called when
// building database
if (!m_sycocaDict) return; // Error!
TQString name = newEntry->name();
m_entryDict->insert( name, new KSycocaEntry::Ptr(newEntry) );
m_sycocaDict->add( name, newEntry );
}
void
KSycocaFactory::removeEntry(KSycocaEntry *newEntry)
{
if (!m_entryDict) return; // Error! Function should only be called when
// building database
if (!m_sycocaDict) return; // Error!
TQString name = newEntry->name();
m_entryDict->remove( name );
m_sycocaDict->remove( name );
}
KSycocaEntry::List KSycocaFactory::allEntries()
{
KSycocaEntry::List list;
if (!m_str) return list;
// Assume we're NOT building a database
m_str->device()->at(m_endEntryOffset);
TQ_INT32 entryCount;
(*m_str) >> entryCount;
if (entryCount > 8192)
{
KSycoca::flagError();
return list;
}
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++)
{
KSycocaEntry *newEntry = createEntry(offsetList[i]);
if (newEntry)
{
list.append( KSycocaEntry::Ptr( newEntry ) );
}
}
delete [] offsetList;
return list;
}
void KSycocaFactory::virtual_hook( int /*id*/, void* /*data*/)
{ /*BASE::virtual_hook( id, data );*/ }
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