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KDECore

ksycoca.h

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00001 /*  This file is part of the KDE libraries
00002  *  Copyright (C) 1999 Waldo Bastian <bastian@kde.org>
00003  *
00004  *  This library is free software; you can redistribute it and/or
00005  *  modify it under the terms of the GNU Library General Public
00006  *  License version 2 as published by the Free Software Foundation;
00007  *
00008  *  This library is distributed in the hope that it will be useful,
00009  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00010  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011  *  Library General Public License for more details.
00012  *
00013  *  You should have received a copy of the GNU Library General Public License
00014  *  along with this library; see the file COPYING.LIB.  If not, write to
00015  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00016  *  Boston, MA 02110-1301, USA.
00017  **/
00018 
00019 #ifndef KSYCOCA_H
00020 #define KSYCOCA_H
00021 
00022 #include <kdecore_export.h>
00023 #include <ksycocatype.h>
00024 
00025 #include <QtCore/QObject>
00026 #include <QtCore/QStringList>
00027 
00028 class QDataStream;
00029 class KSycocaFactory;
00030 class KSycocaFactoryList;
00031 class KSycocaPrivate;
00032 
00038 #define KSYCOCA_VERSION 116
00039 
00043 #define KSYCOCA_FILENAME "ksycoca4"
00044 
00047 #define KBUILDSYCOCA_EXENAME "kbuildsycoca4"
00048 
00053 class KDECORE_EXPORT KSycoca : public QObject
00054 {
00055   Q_OBJECT
00056   //Q_CLASSINFO("D-Bus Interface", "org.kde.KSycoca")
00057 
00058 protected:
00063    explicit KSycoca( bool /* buildDatabase */ );
00064 
00065 public:
00070    typedef enum { LocalDatabase, GlobalDatabase } DatabaseType;
00071 
00075    KSycoca();
00076 
00080    static KSycoca *self();
00081 
00082    virtual ~KSycoca();
00083 
00087    static int version();
00088 
00094    static bool isAvailable();
00095 
00100    QDataStream *findEntry(int offset, KSycocaType &type);
00104    QDataStream *findFactory( KSycocaFactoryId id);
00108    QString kfsstnd_prefixes();
00118    static QString absoluteFilePath(DatabaseType type=LocalDatabase);
00122    QString language();
00123 
00130    quint32 timeStamp();
00131 
00141    quint32 updateSignature();
00142 
00147    QStringList allResourceDirs();
00148 
00152    void addFactory( KSycocaFactory * );
00153 
00158    virtual bool isBuilding();
00159 
00163    void disableAutoRebuild();
00164 
00170    static bool isChanged(const char *type);
00171 
00175    static void flagError();
00176 
00180    static bool readError();
00181 
00182 private Q_SLOTS:
00186    void notifyDatabaseChanged(const QStringList &);
00187 
00188 Q_SIGNALS:
00193     void databaseChanged(); // KDE5 TODO: pass const QStringList& changedList here, remove isChanged()
00194 
00195 protected:
00196     KSycocaFactoryList* factories();
00197 
00198     // @internal used by kbuildsycoca
00199     QDataStream *m_str;
00200 
00201 private:
00202     Q_DISABLE_COPY(KSycoca)
00203     friend class KSycocaPrivate;
00204     KSycocaPrivate * const d;
00205 };
00206 
00207 #endif
00208 

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