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/* This file is part of the KDE libraries
* Copyright (C) 1999 Waldo Bastian <[email protected]>
*
* 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.
**/
#ifndef __ksycocaentry_h__
#define __ksycocaentry_h__
#include "ksycocatype.h"
#include <tqstringlist.h>
#include <ksharedptr.h>
class TQDataStream;
/**
* Base class for all Sycoca entries.
*
* You can't create an instance of KSycocaEntry, but it provides
* the common functionality for servicetypes and services.
*
* @internal
* @see http://developer.kde.org/documentation/library/kdeqt/trinityarch/ksycoca.html
*/
class TDECORE_EXPORT KSycocaEntry : public KShared
{
public:
virtual bool isType(KSycocaType t) const { return (t == KST_KSycocaEntry); }
virtual KSycocaType sycocaType() const { return KST_KSycocaEntry; }
public:
typedef KSharedPtr<KSycocaEntry> Ptr;
typedef TQValueList<Ptr> List;
public: // KDoc seems to barf on those typedefs and generates no docs after them
/**
* Default constructor
*/
KSycocaEntry(const TQString &path) : mOffset(0), m_bDeleted(false), mPath(path) { }
/**
* Safe demarshalling functions.
*/
static void read( TQDataStream &s, TQString &str );
static void read( TQDataStream &s, TQStringList &list );
/**
* @internal
* Restores itself from a stream.
*/
KSycocaEntry( TQDataStream &_str, int offset ) :
mOffset( offset ), m_bDeleted(false)
{
read(_str, mPath);
}
/**
* @return the name of this entry
*/
virtual TQString name() const = 0;
/**
* @return the path of this entry
* The path can be absolute or relative.
* The corresponding factory should know relative to what.
*/
TQString entryPath() const { return mPath; }
/**
* @return true if valid
*/
virtual bool isValid() const = 0;
/**
* @return true if deleted
*/
virtual bool isDeleted() const { return m_bDeleted; }
/**
* @internal
* @return the position of the entry in the sycoca file
*/
int offset() { return mOffset; }
/**
* @internal
* Save ourselves to the database. Don't forget to call the parent class
* first if you override this function.
*/
virtual void save(TQDataStream &s)
{
mOffset = s.device()->at(); // store position in member variable
s << (TQ_INT32) sycocaType() << mPath;
}
/**
* @internal
* Load ourselves from the database. Don't call the parent class!
*/
virtual void load(TQDataStream &) = 0;
private:
int mOffset;
protected:
bool m_bDeleted;
TQString mPath;
protected:
virtual void virtual_hook( int id, void* data );
};
#endif
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