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144 lines
3.6 KiB
144 lines
3.6 KiB
/* This file is part of the KDE libraries
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* Copyright (C) 1999 Waldo Bastian <bastian@kde.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License version 2 as published by the Free Software Foundation;
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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**/
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#ifndef __ksycocafactory_h__
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#define __ksycocafactory_h__
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#include "ksycocatype.h"
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#include "ksycocaentry.h"
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#include <qdict.h>
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#include <qptrlist.h>
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class KSycoca;
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class QStringList;
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class QString;
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class KSycocaDict;
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class KSycocaResourceList;
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typedef QDict<KSycocaEntry::Ptr> KSycocaEntryDict;
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/**
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* @internal
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* Base class for sycoca factories
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*/
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class KDECORE_EXPORT KSycocaFactory
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{
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public:
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virtual KSycocaFactoryId factoryId() const = 0;
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protected: // virtual class
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/**
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* Create a factory which can be used to lookup from/create a database
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* (depending on KSycoca::isBuilding())
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*/
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KSycocaFactory( KSycocaFactoryId factory_id );
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public:
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virtual ~KSycocaFactory();
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/**
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* @return the position of the factory in the sycoca file
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*/
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int offset() { return mOffset; }
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/**
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* @return the dict, for special use by KBuildSycoca
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*/
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KSycocaEntryDict * entryDict() { return m_entryDict; }
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/**
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* Construct an entry from a config file.
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* To be implemented in the real factories.
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*/
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virtual KSycocaEntry *createEntry(const QString &file, const char *resource) = 0;
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/**
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* Add an entry
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*/
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virtual void addEntry(KSycocaEntry *newEntry, const char *resource);
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/**
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* Remove an entry
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* Not very fast, use with care. O(N)
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*/
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void removeEntry(KSycocaEntry *newEntry);
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/**
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* Read an entry from the database
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*/
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virtual KSycocaEntry *createEntry(int offset)=0;
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/**
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* Get a list of all entries from the database.
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*/
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KSycocaEntry::List allEntries();
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/**
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* Saves all entries it maintains as well as index files
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* for these entries to the stream 'str'.
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*
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* Also sets mOffset to the starting position.
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*
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* The stream is positioned at the end of the last index.
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*
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* Don't forget to call the parent first when you override
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* this function.
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*/
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virtual void save(QDataStream &str);
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/**
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* Writes out a header to the stream 'str'.
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* The baseclass positions the stream correctly.
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*
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* Don't forget to call the parent first when you override
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* this function.
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*/
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virtual void saveHeader(QDataStream &str);
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/**
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* @return the resources for which this factory is responsible.
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*/
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virtual const KSycocaResourceList * resourceList() const { return m_resourceList; }
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private:
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int mOffset;
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protected:
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int m_sycocaDictOffset;
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int m_beginEntryOffset;
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int m_endEntryOffset;
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QDataStream *m_str;
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KSycocaResourceList *m_resourceList;
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KSycocaEntryDict *m_entryDict;
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KSycocaDict *m_sycocaDict;
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protected:
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virtual void virtual_hook( int id, void* data );
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};
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/** This, instead of a typedef, allows to declare "class ..." in header files
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* @internal
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*/
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class KDECORE_EXPORT KSycocaFactoryList : public QPtrList<KSycocaFactory>
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{
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public:
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KSycocaFactoryList() { }
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};
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#endif
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