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/*
* Copyright (C) 2008 Nokia Corporation.
*
* Contact: Marius Vollmer <marius.vollmer@nokia.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#ifndef INFOXMLBACKEND_H
#define INFOXMLBACKEND_H
#include <QStringList>
#include <QObject>
#include <QFileInfo>
#include <QString>
#include <QHash>
#include <QFileSystemWatcher>
#include "infobackend.h"
#include "infokeydata.h"
#include "contextproviderinfo.h"
#include "assoctree.h"
class InfoXmlBackend : public InfoBackend
{
Q_OBJECT
public:
explicit InfoXmlBackend(QObject *parent = 0);
virtual QString name() const;
virtual QStringList listKeys() const;
virtual QString docForKey(QString key) const;
virtual bool keyDeclared(QString key) const;
virtual const QList<ContextProviderInfo> providersForKey(QString key) const;
virtual ContextTypeInfo typeInfoForKey(QString key) const;
static QString registryPath();
static QString coreDeclPath();
private slots:
void onDirectoryChanged(const QString &path);
void onFileChanged(const QString &path);
private:
QFileSystemWatcher watcher; ///< A watched object obsering the database file. Delivers synced notifications.
QHash <QString, InfoKeyData> keyDataHash; ///< This hash contains the full state of registry in memory.
QHash <QString, QList<ContextProviderInfo> > keyProvidersHash; ///< This hash contains providers for keys.
int countOfFilesInLastParse; ///< The number of xml files we parsed in last registry update.
void regenerateKeyDataList();
void readKeyDataFromXml(const QString &path);
void parseKey(const AssocTree &keyTree, const AssocTree &providerTree);
};
#endif // INFOXMLBACKEND_H
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