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/*
* XML Backend for the OPIE-Contact Database.
*
* Copyright (c) 2002 by Stefan Eilers (Eilers.Stefan@epost.de)
*
* =====================================================================
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
* =====================================================================
* ToDo: XML-Backend: Automatic reload if something was changed...
* File Locking to protect against concurrent access
*
*
* =====================================================================
* Version: $Id$
* =====================================================================
* History:
* $Log$
* Revision 1.15 2003/09/22 14:31:16 eilers
* Added first experimental incarnation of sql-backend for addressbook.
* Some modifications to be able to compile the todo sql-backend.
* A lot of changes fill follow...
*
* Revision 1.14 2003/04/13 18:07:10 zecke
* More API doc
* QString -> const QString&
* QString = 0l -> QString::null
*
* Revision 1.13 2003/03/21 10:33:09 eilers
* Merged speed optimized xml backend for contacts to main.
* Added QDateTime to querybyexample. For instance, it is now possible to get
* all Birthdays/Anniversaries between two dates. This should be used
* to show all birthdays in the datebook..
* This change is sourcecode backward compatible but you have to upgrade
* the binaries for today-addressbook.
*
* Revision 1.12.2.2 2003/02/11 12:17:28 eilers
* Speed optimization. Removed the sequential search loops.
*
* Revision 1.12.2.1 2003/02/09 15:05:01 eilers
* Nothing happened.. Just some cleanup before I will start..
*
* Revision 1.12 2003/01/03 16:58:03 eilers
* Reenable debug output
*
* Revision 1.11 2003/01/03 12:31:28 eilers
* Bugfix for calculating data diffs..
*
* Revision 1.10 2003/01/02 14:27:12 eilers
* Improved query by example: Search by date is possible.. First step
* for a today plugin for birthdays..
*
* Revision 1.9 2002/12/08 12:48:57 eilers
* Moved journal-enum from ocontact into i the xml-backend..
*
* Revision 1.8 2002/11/14 17:04:24 eilers
* Sorting will now work if fullname is identical on some entries
*
* Revision 1.7 2002/11/13 15:02:46 eilers
* Small Bug in sorted fixed
*
* Revision 1.6 2002/11/13 14:14:51 eilers
* Added sorted for Contacts..
*
* Revision 1.5 2002/11/01 15:10:42 eilers
* Added regExp-search in database for all fields in a contact.
*
* Revision 1.4 2002/10/16 10:52:40 eilers
* Added some docu to the interface and now using the cache infrastucture by zecke.. :)
*
* Revision 1.3 2002/10/14 16:21:54 eilers
* Some minor interface updates
*
* Revision 1.2 2002/10/07 17:34:24 eilers
* added OBackendFactory for advanced backend access
*
* Revision 1.1 2002/09/27 17:11:44 eilers
* Added API for accessing the Contact-Database ! It is compiling, but
* please do not expect that anything is working !
* I will debug that stuff in the next time ..
* Please read README_COMPILE for compiling !
*
*
*/
#ifndef _OContactAccessBackend_XML_
#define _OContactAccessBackend_XML_
#include "ocontactaccessbackend.h"
#include "ocontactaccess.h"
#include <qlist.h>
#include <qdict.h>
/* the default xml implementation */
/**
* This class is the XML implementation of a Contact backend
* it does implement everything available for OContact.
* @see OPimAccessBackend for more information of available methods
*/
class OContactAccessBackend_XML : public OContactAccessBackend {
public:
OContactAccessBackend_XML ( const QString& appname, const QString& filename = QString::null );
bool save();
bool load ();
void clear ();
bool wasChangedExternally();
QArray<int> allRecords() const;
OContact find ( int uid ) const;
QArray<int> queryByExample ( const OContact &query, int settings, const QDateTime& d = QDateTime() );
QArray<int> matchRegexp( const QRegExp &r ) const;
const uint querySettings();
bool hasQuerySettings (uint querySettings) const;
// Currently only asc implemented..
QArray<int> sorted( bool asc, int , int , int );
bool add ( const OContact &newcontact );
bool replace ( const OContact &contact );
bool remove ( int uid );
bool reload();
private:
enum journal_action { ACTION_ADD, ACTION_REMOVE, ACTION_REPLACE };
void addContact_p( const OContact &newcontact );
/* This function loads the xml-database and the journalfile */
bool load( const QString filename, bool isJournal );
void updateJournal( const OContact& cnt, journal_action action );
void removeJournal();
protected:
bool m_changed;
QString m_journalName;
QString m_fileName;
QString m_appName;
QList<OContact> m_contactList;
QDateTime m_readtime;
QDict<OContact> m_uidToContact;
};
#endif
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