Source: ksycocafactory.h

# Source: ksycocafactory.h |
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    /*  This file is part of the KDE libraries
     *  Copyright (C) 1999 Waldo Bastian
     *
     *  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., 59 Temple Place - Suite 330,
     *  Boston, MA 02111-1307, USA.
     **/

    #ifndef __ksycocafactory_h__
    #define __ksycocafactory_h__ "$Id: ksycocafactory.h,v 1.13 2002/09/21 15:07:27 tjansen Exp $"

    #include "ksycocatype.h"
    #include "ksycocaentry.h"

    #include
    #include
    class KSycoca;
    class QStringList;
    class QString;
    class KSycocaDict;
    class KSycocaResourceList;

    typedef QDict KSycocaEntryDict;

    /**
     * @internal
     * Base class for sycoca factories
     */
    class KSycocaFactory
    {
    public:
       virtual KSycocaFactoryId factoryId() const = 0;

    protected: // virtual class
       /**
        * Create a factory which can be used to lookup from/create a database
        * (depending on KSycoca::isBuilding())
        */
       KSycocaFactory( KSycocaFactoryId factory_id );

    public:
       virtual ~KSycocaFactory();

       /**
        * @return the position of the factory in the sycoca file
        */
       int offset() { return mOffset; }

       /**
        * @return the dict, for special use by KBuildSycoca
        */
       KSycocaEntryDict * entryDict() { return m_entryDict; }

       /**
        * Construct an entry from a config file.
        * To be implemented in the real factories.
        */
       virtual KSycocaEntry *createEntry(const QString &file, const char *resource) = 0;

       /**
        * Add an entry
        */
       virtual void addEntry(KSycocaEntry *newEntry, const char *resource);

       /**
        * Read an entry from the database
        */
       virtual KSycocaEntry *createEntry(int offset)=0;

       /**
        * Get a list of all entries from the database.
        */
       KSycocaEntry::List allEntries();

       /**
        * Saves all entries it maintains as well as index files
        * for these entries to the stream 'str'.
        *
        * Also sets mOffset to the starting position.
        *
        * The stream is positioned at the end of the last index.
        *
        * Don't forget to call the parent first when you override
        * this function.
        */
       virtual void save(QDataStream &str);

       /**
        * Writes out a header to the stream 'str'.
        * The baseclass positions the stream correctly.
        *
        * Don't forget to call the parent first when you override
        * this function.
        */
       virtual void saveHeader(QDataStream &str);

       /**
        * @return the resources for which this factory is responsible.
        */
       virtual const KSycocaResourceList * resourceList() const { return m_resourceList; }

    private:
       int mOffset;

    protected:
       int m_sycocaDictOffset;
       int m_beginEntryOffset;
       int m_endEntryOffset;
       QDataStream *m_str;

       KSycocaResourceList *m_resourceList;
       KSycocaEntryDict *m_entryDict;
       KSycocaDict *m_sycocaDict;
    protected:
       virtual void virtual_hook( int id, void* data );
    };

    /** This, instead of a typedef, allows to declare "class ..." in header files
     * @internal
     */
    class KSycocaFactoryList : public QPtrList
    {
    public:
       KSycocaFactoryList() { }
    };

    #endif

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