More API doc

QString -> const QString&
QString = 0l -> QString::null

13 files changed, 315 insertions, 123 deletions

diff --git a/libopie/pim/obackendfactory.h b/libopie/pim/obackendfactory.h
index 3a73210..ad6cf5a 100644
--- a/libopie/pim/obackendfactory.h
+++ b/libopie/pim/obackendfactory.h
@@ -7,24 +7,29 @@
          *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: Use plugins
  * =====================================================================
  * Version: $Id$
  * =====================================================================
  * History:
  * $Log$
+ * Revision 1.6  2003/04/13 18:07:10  zecke
+ * More API doc
+ * QString -> const QString&
+ * QString = 0l -> QString::null
+ *
  * Revision 1.5  2003/02/21 23:31:52  zecke
  * Add XML datebookresource
  * -clean up todoaccessxml header
  * -implement some more stuff in the oeven tester
  * -extend DefaultFactory to not crash and to use datebook
  *
  * -reading of OEvents is working nicely.. saving will be added
  *  tomorrow
  *  -fix spelling in ODateBookAcces
  *
  * Revision 1.4  2002/10/14 15:55:18  eilers
  * Redeactivate SQL.. ;)
@@ -54,37 +59,56 @@
 #include <qstring.h>
 #include <qasciidict.h>
 #include <qpe/config.h>
 
 #include "otodoaccessxml.h"
 #include "ocontactaccessbackend_xml.h"
 #include "odatebookaccessbackend_xml.h"
 
 #ifdef __USE_SQL
 #include "otodoaccesssql.h"
 #endif
 
-
+/**
+ * This class is our factory. It will give us the default implementations
+ * of at least Todolist, Contacts and Datebook. In the future this class will
+ * allow users to switch the backend with ( XML->SQLite ) without the need
+ * to recompile.#
+ * This class as the whole PIM Api is making use of templates
+ *
+ * <pre>
+ *   OTodoAccessBackend* backend = OBackEndFactory<OTodoAccessBackend>::Default("todo", QString::null );
+ *   backend->load();
+ * </pre>
+ *
+ * @author Stefan Eilers
+ * @version 0.1
+ */
 template<class T>
 class OBackendFactory
 {
  public:
         OBackendFactory() {};
 
         enum BACKENDS {
                 TODO,
                 CONTACT,
                 DATE
         };
 
+        /**
+         * Returns a backend implementation for backendName
+         * @param backendName the type of the backend
+         * @param appName will be passed on to the backend
+         */
         static T* Default( const QString backendName, const QString& appName ){
 
                 // __asm__("int3");
 
                 Config config( "pimaccess" );
                 config.setGroup ( backendName );
                 QString backend = config.readEntry( "usebackend" );
 
                 QAsciiDict<int> dict ( 3 );
                 dict.setAutoDelete ( TRUE );
 
                 dict.insert( "todo", new int (TODO) );
diff --git a/libopie/pim/ocontact.h b/libopie/pim/ocontact.h
index 1fd1c75..25fa0e7 100644
--- a/libopie/pim/ocontact.h
+++ b/libopie/pim/ocontact.h
@@ -25,26 +25,33 @@
 #include <opie/opimrecord.h>
 #include <qpe/recordfields.h>
 
 #include <qdatetime.h>
 #include <qstringlist.h>
 
 #if defined(QPC_TEMPLATEDLL)
 // MOC_SKIP_BEGIN
 QPC_TEMPLATEEXTERN template class QPC_EXPORT QMap<int, QString>;
 // MOC_SKIP_END
 #endif
 
-class ContactPrivate; 
-
+class ContactPrivate;
+
+/**
+ * OContact class represents a specialised PIM Record for contacts.
+ * It does store all kind of persopn related information.
+ *
+ * @short Contact Container
+ * @author TT, Stefan Eiler, Holger Freyther
+ */
 class QPC_EXPORT OContact : public OPimRecord
 {
     friend class DataSet;
 public:
     OContact();
     OContact( const QMap<int, QString> &fromMap );
     virtual ~OContact();
 
     /*
      * do we need to inline them
      * if yes do we need to inline them this way?
      * -zecke
diff --git a/libopie/pim/ocontactaccess.h b/libopie/pim/ocontactaccess.h
index 32b2dcb..d7ceaf2 100644
--- a/libopie/pim/ocontactaccess.h
+++ b/libopie/pim/ocontactaccess.h
@@ -8,24 +8,29 @@
          *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: Define enum for query settings
  * =====================================================================
  * Version: $Id$
  * =====================================================================
  * History:
  * $Log$
+ * Revision 1.7  2003/04/13 18:07:10  zecke
+ * More API doc
+ * QString -> const QString&
+ * QString = 0l -> QString::null
+ *
  * Revision 1.6  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 1.5  2002/11/13 14:14:51  eilers
  * Added sorted for Contacts..
  *
  * Revision 1.4  2002/11/01 15:10:42  eilers
  * Added regExp-search in database for all fields in a contact.
  *
  * Revision 1.3  2002/10/16 10:52:40  eilers
  * Added some docu to the interface and now using the cache infrastucture by zecke.. :)
@@ -46,35 +51,40 @@
 
 #include <qobject.h>
 
 #include <qpe/qcopenvelope_qws.h>
 
 #include <qvaluelist.h>
 #include <qfileinfo.h>
 
 #include "ocontact.h"
 #include "ocontactaccessbackend.h"
 #include "opimaccesstemplate.h"
 
-/** Class to access the contacts database.
+/**
+ * Class to access the contacts database.
  * This is just a frontend for the real database handling which is
  * done by the backend.
+ * This class is used to access the Contacts on a system. This class as any OPIE PIM
+ * class is backend independent.
+
  * @see OPimAccessTemplate
  */
 class OContactAccess: public QObject, public OPimAccessTemplate<OContact>
 {
     Q_OBJECT
 
  public:
-        /** Create Database with contacts (addressbook).
+        /**
+         * Create Database with contacts (addressbook).
          * @param appname Name of application which wants access to the database
          * (i.e. "todolist")
          * @param filename The name of the database file. If not set, the default one
          * is used.
          * @param backend Pointer to an alternative Backend. If not set, we will use
          * the default backend.
          * @param handlesync If <b>true</b> the database stores the current state
          * automatically if it receives the signals <i>flush()</i> and <i>reload()</i>
          * which are used before and after synchronisation. If the application wants
          * to react itself, it should be disabled by setting it to <b>false</b>
          * @see OContactAccessBackend
          */
@@ -90,25 +100,25 @@ class OContactAccess: public QObject, public OPimAccessTemplate<OContact>
         enum QuerySettings {
                 WildCards  = 0x0001,
                 IgnoreCase = 0x0002,
                 RegExp     = 0x0004,
                 ExactMatch = 0x0008,
                 MatchOne   = 0x0010, // Only one Entry must match
                 DateDiff   = 0x0020, // Find all entries from today until given date
                 DateYear   = 0x0040, // The year matches
                 DateMonth  = 0x0080, // The month matches
                 DateDay    = 0x0100, // The day matches
         };
 
-        
+
         ORecordList<OContact> matchRegexp(  const QRegExp &r )const;
 
         /** Return all Contacts in a sorted manner.
          *  @param ascending true: Sorted in acending order.
          *  @param sortOrder Currently not implemented. Just defined to stay compatible to otodoaccess
          *  @param sortFilter Currently not implemented. Just defined to stay compatible to otodoaccess
          *  @param cat Currently not implemented. Just defined to stay compatible to otodoaccess
          */
         List sorted( bool ascending, int sortOrder, int sortFilter, int cat ) const;
 
         /** Return all possible settings.
          *  @return All settings provided by the current backend
diff --git a/libopie/pim/ocontactaccessbackend.h b/libopie/pim/ocontactaccessbackend.h
index 821f5bf..ebeb42d 100644
--- a/libopie/pim/ocontactaccessbackend.h
+++ b/libopie/pim/ocontactaccessbackend.h
@@ -10,24 +10,29 @@
          *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: Define enum for query settings
  * =====================================================================
  * Version: $Id$
  * =====================================================================
  * History:
  * $Log$
+ * Revision 1.5  2003/04/13 18:07:10  zecke
+ * More API doc
+ * QString -> const QString&
+ * QString = 0l -> QString::null
+ *
  * Revision 1.4  2002/11/13 14:14:51  eilers
  * Added sorted for Contacts..
  *
  * Revision 1.3  2002/11/01 15:10:42  eilers
  * Added regExp-search in database for all fields in a contact.
  *
  * 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 !
@@ -35,51 +40,68 @@
  * Please read README_COMPILE for compiling !
  *
  * =====================================================================
  *
  */
 
 #ifndef _OCONTACTACCESSBACKEND_H_
 #define _OCONTACTACCESSBACKEND_H_
 
 #include "ocontact.h"
 #include "opimaccessbackend.h"
 
-#include "qregexp.h"
+#include <qregexp.h>
 
+/**
+ * This class represents the interface of all Contact Backends.
+ * Derivates of this class will be used to access the contacts.
+ * As implementation currently XML and vCard exist. This class needs to be implemented
+ * if you want to provide your own storage.
+ * In all queries a list of uids is passed on instead of loading the actual record!
+ *
+ * @see OContactAccessBackend_VCard
+ * @see OContactAccessBackend_XML
+ */
 class OContactAccessBackend: public OPimAccessBackend<OContact> {
  public:
         OContactAccessBackend() {}
         virtual ~OContactAccessBackend() {}
 
 
-        /** Return if database was changed externally.
+        /**
+         * Return if database was changed externally.
          * This may just make sense on file based databases like a XML-File.
          * It is used to prevent to overwrite the current database content
          * if the file was already changed by something else !
          * If this happens, we have to reload before save our data.
          * If we use real databases, this should be handled by the database
          * management system themselve, therefore this function should always return false in
          * this case. It is not our problem to handle this conflict ...
          * @return <i>true</i> if the database was changed and if save without reload will
          * be dangerous. <i>false</i> if the database was not changed or it is save to write
          * in this situation.
          */
         virtual bool wasChangedExternally() = 0;
 
         virtual QArray<int> matchRegexp(  const QRegExp &r ) const = 0;
 
-        /** Return all possible settings.
+        /**
+         *  Return all possible settings.
          *  @return All settings provided by the current backend
          * (i.e.: query_WildCards & query_IgnoreCase)
          */
         virtual const uint querySettings() = 0;
 
-        /** Check whether settings are correct.
+        /**
+         * Check whether settings are correct.
          * @return <i>true</i> if the given settings are correct and possible.
          */
         virtual bool hasQuerySettings (uint querySettings) const = 0;
 
-        virtual QArray<int> sorted( bool ascending, int sortOrder, int sortFilter, int cat ) = 0;
+        /**
+         * FIXME!!!
+         * Returns a sorted list of records either ascendinf or descending for a giving criteria and category
+         */
+        virtual QArray<int> sorted( bool ascending, int sortOrder, int sortFilter, int cat ) = 0;
 
 };
 #endif
diff --git a/libopie/pim/ocontactaccessbackend_vcard.cpp b/libopie/pim/ocontactaccessbackend_vcard.cpp
index f24523f..270bef3 100644
--- a/libopie/pim/ocontactaccessbackend_vcard.cpp
+++ b/libopie/pim/ocontactaccessbackend_vcard.cpp
@@ -8,24 +8,29 @@
          *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:
  *
  * =====================================================================
  * Version: $Id$
  * =====================================================================
  * History:
  * $Log$
+ * Revision 1.10  2003/04/13 18:07:10  zecke
+ * More API doc
+ * QString -> const QString&
+ * QString = 0l -> QString::null
+ *
  * Revision 1.9  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 1.8  2003/02/21 16:52:49  zecke
  * -Remove old Todo classes they're deprecated and today I already using the
  * new API
  * -Guard against self assignment in OTodo
@@ -67,25 +72,25 @@
  * Revision 1.1  2002/11/09 14:34:52  eilers
  * Added VCard Backend.
  *
  */
 #include "ocontactaccessbackend_vcard.h"
 #include "../../library/backend/vobject_p.h"
 #include "../../library/backend/qfiledirect_p.h"
 
 #include <qpe/timeconversion.h>
 
 #include <qfile.h>
 
-OContactAccessBackend_VCard::OContactAccessBackend_VCard ( QString , QString filename ):
+OContactAccessBackend_VCard::OContactAccessBackend_VCard ( const QString& , const QString& filename ):
         m_dirty( false ),
         m_file( filename )
 {
         load();
 }
 
 
 bool OContactAccessBackend_VCard::load ()
 {
         m_map.clear();
         m_dirty = false;
 
diff --git a/libopie/pim/ocontactaccessbackend_vcard.h b/libopie/pim/ocontactaccessbackend_vcard.h
index 93e2da3..712d769 100644
--- a/libopie/pim/ocontactaccessbackend_vcard.h
+++ b/libopie/pim/ocontactaccessbackend_vcard.h
@@ -8,24 +8,29 @@
          *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:
  *
  * =====================================================================
  * Version: $Id$
  * =====================================================================
  * History:
  * $Log$
+ * Revision 1.6  2003/04/13 18:07:10  zecke
+ * More API doc
+ * QString -> const QString&
+ * QString = 0l -> QString::null
+ *
  * Revision 1.5  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 1.4  2002/12/07 13:26:22  eilers
  * Fixing bug in storing anniversary..
  *
  * Revision 1.3  2002/11/13 14:14:51  eilers
@@ -38,49 +43,54 @@
  * Added VCard Backend.
  *
  */
 #ifndef __OCONTACTACCESSBACKEND_VCARD_H_
 #define __OCONTACTACCESSBACKEND_VCARD_H_
 
 #include <opie/ocontact.h>
 
 #include "ocontactaccessbackend.h"
 
 class VObject;
 
+/**
+ * This is the vCard 2.1 implementation of the Contact Storage
+ * @see OContactAccessBackend_XML
+ * @see OPimAccessBackend
+ */
 class OContactAccessBackend_VCard : public OContactAccessBackend {
  public:
-        OContactAccessBackend_VCard ( QString appname, QString filename = 0l );
+        OContactAccessBackend_VCard ( const QString& appname, const QString& filename = QString::null );
 
         bool load ();
         bool reload();
         bool save();
         void clear ();
 
         bool add ( const OContact& newcontact );
         bool remove ( int uid );
         bool replace ( const OContact& contact );
-        
+
         OContact find ( int uid ) const;
         QArray<int> allRecords() 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;
         QArray<int> sorted( bool ascending, int sortOrder, int sortFilter, int cat );
         bool wasChangedExternally();
-        
+
 private:
         OContact parseVObject( VObject* obj );
         VObject* createVObject( const OContact& c );
         QString convDateToVCardDate( const QDate& c ) const;
         QDate convVCardDateToDate( const QString& datestr );
         VObject *safeAddPropValue( VObject *o, const char* prop, const QString& value );
         VObject *safeAddProp( VObject* o, const char* prop);
-        
+
         bool m_dirty : 1;
         QString m_file;
         QMap<int, OContact> m_map;
 };
 
 #endif
diff --git a/libopie/pim/ocontactaccessbackend_xml.cpp b/libopie/pim/ocontactaccessbackend_xml.cpp
index c5a7820..661cd51 100644
--- a/libopie/pim/ocontactaccessbackend_xml.cpp
+++ b/libopie/pim/ocontactaccessbackend_xml.cpp
@@ -8,24 +8,29 @@
          *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...
  *
  *
  * =====================================================================
  * Version: $Id$
  * =====================================================================
  * History:
  * $Log$
+ * Revision 1.5  2003/04/13 18:07:10  zecke
+ * More API doc
+ * QString -> const QString&
+ * QString = 0l -> QString::null
+ *
  * Revision 1.4  2003/03/21 14:32:54  mickeyl
  * g++ compliance fix: default arguments belong into the declaration, but not the definition
  *
  * Revision 1.3  2003/03/21 12:26:28  eilers
  * Fixing small bug: If we search a birthday from today to today, it returned
  * every contact ..
  *
  * Revision 1.2  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..
@@ -84,73 +89,73 @@
  *
  */
 
 #include "ocontactaccessbackend_xml.h"
 
 #include <qasciidict.h>
 #include <qdatetime.h>
 #include <qfile.h>
 #include <qfileinfo.h>
 #include <qregexp.h>
 #include <qarray.h>
 #include <qmap.h>
-#include <qdatetime.h> 
+#include <qdatetime.h>
 
 #include <qpe/global.h>
 
 #include <opie/xmltree.h>
 #include "ocontactaccessbackend.h"
 #include "ocontactaccess.h"
 
 #include <stdlib.h>
 #include <errno.h>
 
 using namespace Opie;
 
 
-OContactAccessBackend_XML::OContactAccessBackend_XML ( QString appname, QString filename ):
+OContactAccessBackend_XML::OContactAccessBackend_XML ( const QString& appname, const QString& filename ):
         m_changed( false )
 {
         // Just m_contactlist should call delete if an entry
         // is removed.
         m_contactList.setAutoDelete( true );
         m_uidToContact.setAutoDelete( false );
 
         m_appName = appname;
-        
+
         /* Set journalfile name ... */
         m_journalName = getenv("HOME");
         m_journalName +="/.abjournal" + appname;
-        
+
         /* Expecting to access the default filename if nothing else is set */
         if ( filename.isEmpty() ){
                 m_fileName = Global::applicationFileName( "addressbook","addressbook.xml" );
         } else
                 m_fileName = filename;
-        
+
         /* Load Database now */
         load ();
 }
 
-bool OContactAccessBackend_XML::save() 
+bool OContactAccessBackend_XML::save()
 {
-        
+
         if ( !m_changed )
                 return true;
-        
+
         QString strNewFile = m_fileName + ".new";
         QFile f( strNewFile );
         if ( !f.open( IO_WriteOnly|IO_Raw ) )
                 return false;
-        
+
         int total_written;
         int idx_offset = 0;
         QString out;
 
         // Write Header
         out = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><!DOCTYPE Addressbook ><AddressBook>\n"
                 " <Groups>\n"
                 " </Groups>\n"
                 " <Contacts>\n";
         QCString cstr = out.utf8();
         f.writeBlock( cstr.data(), cstr.length() );
         idx_offset += cstr.length();
@@ -165,212 +170,212 @@ bool OContactAccessBackend_XML::save()
                 out += "/>\n";
                 cstr = out.utf8();
                 total_written = f.writeBlock( cstr.data(), cstr.length() );
                 idx_offset += cstr.length();
                 if ( total_written != int(cstr.length()) ) {
                         f.close();
                         QFile::remove( strNewFile );
                         return false;
                 }
                 out = "";
         }
         out += " </Contacts>\n</AddressBook>\n";
-        
+
         // Write Footer
         cstr = out.utf8();
         total_written = f.writeBlock( cstr.data(), cstr.length() );
         if ( total_written != int( cstr.length() ) ) {
                 f.close();
                 QFile::remove( strNewFile );
                 return false;
         }
         f.close();
-        
+
         // move the file over, I'm just going to use the system call
         // because, I don't feel like using QDir.
         if ( ::rename( strNewFile.latin1(), m_fileName.latin1() ) < 0 ) {
                 qWarning( "problem renaming file %s to %s, errno: %d",
                           strNewFile.latin1(), m_journalName.latin1(), errno );
                 // remove the tmp file...
                 QFile::remove( strNewFile );
         }
-        
+
         /* The journalfile should be removed now... */
         removeJournal();
-        
+
         m_changed = false;
         return true;
 }
 
-bool OContactAccessBackend_XML::load () 
+bool OContactAccessBackend_XML::load ()
 {
         m_contactList.clear();
         m_uidToContact.clear();
-        
+
         /* Load XML-File and journal if it exists */
         if ( !load ( m_fileName, false ) )
                 return false;
         /* The returncode of the journalfile is ignored due to the
          * fact that it does not exist when this class is instantiated !
          * But there may such a file exist, if the application crashed.
          * Therefore we try to load it to get the changes before the #
          * crash happened...
          */
         load (m_journalName, true);
-        
+
         return true;
 }
 
-void OContactAccessBackend_XML::clear () 
+void OContactAccessBackend_XML::clear ()
 {
         m_contactList.clear();
         m_uidToContact.clear();
 
         m_changed = false;
 }
 
 bool OContactAccessBackend_XML::wasChangedExternally()
 {
         QFileInfo fi( m_fileName );
-        
+
         QDateTime lastmod = fi.lastModified ();
-        
+
         return (lastmod != m_readtime);
 }
 
-QArray<int> OContactAccessBackend_XML::allRecords() const 
+QArray<int> OContactAccessBackend_XML::allRecords() const
 {
         QArray<int> uid_list( m_contactList.count() );
-        
-        uint counter = 0; 
+
+        uint counter = 0;
         QListIterator<OContact> it( m_contactList );
         for( ; it.current(); ++it ){
                 uid_list[counter++] = (*it)->uid();
         }
-        
+
         return ( uid_list );
 }
 
 OContact OContactAccessBackend_XML::find ( int uid ) const
 {
         OContact foundContact; //Create empty contact
-        
+
         OContact* found = m_uidToContact.find( QString().setNum( uid ) );
 
         if ( found ){
                 foundContact = *found;
         }
-        
+
         return ( foundContact );
 }
 
-QArray<int> OContactAccessBackend_XML::queryByExample ( const OContact &query, int settings, 
+QArray<int> OContactAccessBackend_XML::queryByExample ( const OContact &query, int settings,
                                                         const QDateTime& d )
 {
-        
+
         QArray<int> m_currentQuery( m_contactList.count() );
         QListIterator<OContact> it( m_contactList );
         uint arraycounter = 0;
-        
+
         for( ; it.current(); ++it ){
                 /* Search all fields and compare them with query object. Store them into list
                  * if all fields matches.
                  */
                 QDate* queryDate = 0l;
                 QDate* checkDate = 0l;
                 bool allcorrect = true;
                 for ( int i = 0; i < Qtopia::Groups; i++ ) {
                         // Birthday and anniversary are special nonstring fields and should
                         // be handled specially
                         switch ( i ){
                         case Qtopia::Birthday:
                                 queryDate = new QDate( query.birthday() );
                                 checkDate = new QDate( (*it)->birthday() );
                         case Qtopia::Anniversary:
                                 if ( queryDate == 0l ){
                                         queryDate = new QDate( query.anniversary() );
                                         checkDate = new QDate( (*it)->anniversary() );
                                 }
-                                
+
                                 if ( queryDate->isValid() ){
                                         if(  checkDate->isValid() ){
                                                 if ( settings & OContactAccess::DateYear ){
                                                         if ( queryDate->year() != checkDate->year() )
                                                                 allcorrect = false;
-                                                } 
+                                                }
                                                 if ( settings & OContactAccess::DateMonth ){
                                                         if ( queryDate->month() != checkDate->month() )
                                                                 allcorrect = false;
-                                                } 
+                                                }
                                                 if ( settings & OContactAccess::DateDay ){
                                                         if ( queryDate->day() != checkDate->day() )
                                                                 allcorrect = false;
-                                                } 
+                                                }
                                                 if ( settings & OContactAccess::DateDiff ) {
                                                         QDate current;
                                                         // If we get an additional date, we
                                                         // will take this date instead of
-                                                        // the current one.. 
+                                                        // the current one..
                                                         if ( !d.date().isValid() )
                                                                 current = QDate::currentDate();
                                                         else
                                                                 current = d.date();
 
                                                         // We have to equalize the year, otherwise
                                                         // the search will fail..
-                                                        checkDate->setYMD( current.year(), 
-                                                                           checkDate->month(), 
+                                                        checkDate->setYMD( current.year(),
+                                                                           checkDate->month(),
                                                                            checkDate->day() );
                                                         if ( *checkDate < current )
-                                                                checkDate->setYMD( current.year()+1, 
-                                                                                   checkDate->month(), 
+                                                                checkDate->setYMD( current.year()+1,
+                                                                                   checkDate->month(),
                                                                                    checkDate->day() );
 
                                                         // Check whether the birthday/anniversary date is between
                                                         // the current/given date and the maximum date
                                                         // ( maximum time range ) !
-                                                        qWarning("Checking if %s is between %s and %s ! ", 
+                                                        qWarning("Checking if %s is between %s and %s ! ",
                                                                  checkDate->toString().latin1(),
-                                                                 current.toString().latin1(), 
+                                                                 current.toString().latin1(),
                                                                  queryDate->toString().latin1() );
                                                         if ( current.daysTo( *queryDate ) >= 0 ){
-                                                                if ( !( ( *checkDate >= current ) && 
+                                                                if ( !( ( *checkDate >= current ) &&
                                                                         ( *checkDate <= *queryDate ) ) ){
                                                                         allcorrect = false;
                                                                         qWarning (" Nope!..");
                                                                 }
                                                         }
                                                 }
                                         } else{
                                                 // checkDate is invalid. Therefore this entry is always rejected
                                                 allcorrect = false;
                                         }
                                 }
-                                
+
                                 delete queryDate;
                                 queryDate = 0l;
                                 delete checkDate;
                                 checkDate = 0l;
                                 break;
                         default:
                                 /* Just compare fields which are not empty in the query object */
                                 if ( !query.field(i).isEmpty() ){
                                         switch ( settings & ~( OContactAccess::IgnoreCase
                                                                | OContactAccess::DateDiff
                                                                | OContactAccess::DateYear
                                                                | OContactAccess::DateMonth
                                                                | OContactAccess::DateDay
-                                                               | OContactAccess::MatchOne 
+                                                               | OContactAccess::MatchOne
                                                                ) ){
-                                                
+
                                         case OContactAccess::RegExp:{
                                                 QRegExp expr ( query.field(i),
                                                                !(settings & OContactAccess::IgnoreCase),
                                                                false );
                                                 if ( expr.find ( (*it)->field(i), 0 ) == -1 )
                                                         allcorrect = false;
                                         }
                                                 break;
                                         case OContactAccess::WildCards:{
                                                 QRegExp expr ( query.field(i),
                                                                !(settings & OContactAccess::IgnoreCase),
                                                                true );
@@ -388,156 +393,156 @@ QArray<int> OContactAccessBackend_XML::queryByExample ( const OContact &query, i
                                                                 allcorrect = false;
                                                 }
                                         }
                                                 break;
                                         }
                                 }
                         }
                 }
                 if ( allcorrect ){
                         m_currentQuery[arraycounter++] = (*it)->uid();
                 }
         }
-        
+
         // Shrink to fit..
         m_currentQuery.resize(arraycounter);
-        
+
         return m_currentQuery;
 }
 
 QArray<int> OContactAccessBackend_XML::matchRegexp(  const QRegExp &r ) const
 {
         QArray<int> m_currentQuery( m_contactList.count() );
         QListIterator<OContact> it( m_contactList );
         uint arraycounter = 0;
-        
+
         for( ; it.current(); ++it ){
                 if ( (*it)->match( r ) ){
                         m_currentQuery[arraycounter++] = (*it)->uid();
                 }
-                
+
         }
         // Shrink to fit..
         m_currentQuery.resize(arraycounter);
-        
+
         return m_currentQuery;
 }
 
 const uint OContactAccessBackend_XML::querySettings()
 {
         return ( OContactAccess::WildCards
                  | OContactAccess::IgnoreCase
                  | OContactAccess::RegExp
-                 | OContactAccess::ExactMatch 
+                 | OContactAccess::ExactMatch
                  | OContactAccess::DateDiff
                  | OContactAccess::DateYear
                  | OContactAccess::DateMonth
                  | OContactAccess::DateDay
                  );
 }
 
 bool OContactAccessBackend_XML::hasQuerySettings (uint querySettings) const
 {
-        /* OContactAccess::IgnoreCase, DateDiff, DateYear, DateMonth, DateDay 
+        /* OContactAccess::IgnoreCase, DateDiff, DateYear, DateMonth, DateDay
          * may be added with any of the other settings. IgnoreCase should never used alone.
          * Wildcards, RegExp, ExactMatch should never used at the same time...
          */
-        
-        if ( querySettings == OContactAccess::IgnoreCase ) 
+
+        if ( querySettings == OContactAccess::IgnoreCase )
                 return false;
-        
+
         switch ( querySettings & ~( OContactAccess::IgnoreCase
                                     | OContactAccess::DateDiff
                                     | OContactAccess::DateYear
                                     | OContactAccess::DateMonth
                                     | OContactAccess::DateDay
-                                    ) 
+                                    )
                  ){
         case OContactAccess::RegExp:
                 return ( true );
         case OContactAccess::WildCards:
                 return ( true );
         case OContactAccess::ExactMatch:
                 return ( true );
         default:
                 return ( false );
         }
 }
 
-// Currently only asc implemented.. 
-QArray<int> OContactAccessBackend_XML::sorted( bool asc,  int , int ,  int ) 
+// Currently only asc implemented..
+QArray<int> OContactAccessBackend_XML::sorted( bool asc,  int , int ,  int )
 {
         QMap<QString, int> nameToUid;
         QStringList names;
         QArray<int> m_currentQuery( m_contactList.count() );
-        
-        // First fill map and StringList with all Names 
+
+        // First fill map and StringList with all Names
         // Afterwards sort namelist and use map to fill array to return..
         QListIterator<OContact> it( m_contactList );
         for( ; it.current(); ++it ){
                 names.append( (*it)->fileAs() + QString::number( (*it)->uid() ) );
                 nameToUid.insert( (*it)->fileAs() + QString::number( (*it)->uid() ), (*it)->uid() );
         }
         names.sort();
-        
+
         int i = 0;
         if ( asc ){
                 for ( QStringList::Iterator it = names.begin(); it != names.end(); ++it )
                         m_currentQuery[i++] = nameToUid[ (*it) ];
         }else{
                 for ( QStringList::Iterator it = names.end(); it != names.begin(); --it )
                         m_currentQuery[i++] = nameToUid[ (*it) ];
         }
-        
+
         return m_currentQuery;
-        
+
 }
 
 bool OContactAccessBackend_XML::add ( const OContact &newcontact )
 {
         //qWarning("odefaultbackend: ACTION::ADD");
         updateJournal (newcontact, ACTION_ADD);
         addContact_p( newcontact );
-        
+
         m_changed = true;
-        
+
         return true;
 }
 
 bool OContactAccessBackend_XML::replace ( const OContact &contact )
 {
         m_changed = true;
-        
+
         OContact* found = m_uidToContact.find ( QString().setNum( contact.uid() ) );
 
         if ( found ) {
                 OContact* newCont = new OContact( contact );
 
                 updateJournal ( *newCont, ACTION_REPLACE);
                 m_contactList.removeRef ( found );
                 m_contactList.append ( newCont );
                 m_uidToContact.remove( QString().setNum( contact.uid() ) );
                 m_uidToContact.insert( QString().setNum( newCont->uid() ), newCont );
 
                 qWarning("Nur zur Sicherheit: %d == %d ?",contact.uid(), newCont->uid());
 
                 return true;
         } else
                 return false;
 }
 
 bool OContactAccessBackend_XML::remove ( int uid )
 {
         m_changed = true;
-        
+
         OContact* found = m_uidToContact.find ( QString().setNum( uid ) );
 
         if ( found ) {
                 updateJournal ( *found, ACTION_REMOVE);
                 m_contactList.removeRef ( found );
                 m_uidToContact.remove( QString().setNum( uid ) );
 
                 return true;
         } else
                 return false;
 }
 
@@ -546,46 +551,46 @@ bool OContactAccessBackend_XML::reload(){
         return ( load() );
 }
 
 void OContactAccessBackend_XML::addContact_p( const OContact &newcontact )
 {
         OContact* contRef = new OContact( newcontact );
 
         m_contactList.append ( contRef );
         m_uidToContact.insert( QString().setNum( newcontact.uid() ), contRef );
 }
 
 /* This function loads the xml-database and the journalfile */
-bool OContactAccessBackend_XML::load( const QString filename, bool isJournal ) 
+bool OContactAccessBackend_XML::load( const QString filename, bool isJournal )
 {
-        
+
         /* We use the time of the last read to check if the file was
          * changed externally.
          */
         if ( !isJournal ){
                 QFileInfo fi( filename );
                 m_readtime = fi.lastModified ();
         }
-        
+
         const int JOURNALACTION = Qtopia::Notes + 1;
         const int JOURNALROW = JOURNALACTION + 1;
-        
+
         bool foundAction = false;
         journal_action action = ACTION_ADD;
         int journalKey = 0;
         QMap<int, QString> contactMap;
         QMap<QString, QString> customMap;
         QMap<QString, QString>::Iterator customIt;
         QAsciiDict<int> dict( 47 );
-        
+
         dict.setAutoDelete( TRUE );
         dict.insert( "Uid", new int(Qtopia::AddressUid) );
         dict.insert( "Title", new int(Qtopia::Title) );
         dict.insert( "FirstName", new int(Qtopia::FirstName) );
         dict.insert( "MiddleName", new int(Qtopia::MiddleName) );
         dict.insert( "LastName", new int(Qtopia::LastName) );
         dict.insert( "Suffix", new int(Qtopia::Suffix) );
         dict.insert( "FileAs", new int(Qtopia::FileAs) );
         dict.insert( "Categories", new int(Qtopia::AddressCategory) );
         dict.insert( "DefaultEmail", new int(Qtopia::DefaultEmail) );
         dict.insert( "Emails", new int(Qtopia::Emails) );
         dict.insert( "HomeStreet", new int(Qtopia::HomeStreet) );
@@ -614,36 +619,36 @@ bool OContactAccessBackend_XML::load( const QString filename, bool isJournal )
         dict.insert( "Profession", new int(Qtopia::Profession) );
         dict.insert( "Assistant", new int(Qtopia::Assistant) );
         dict.insert( "Manager", new int(Qtopia::Manager) );
         dict.insert( "Spouse", new int(Qtopia::Spouse) );
         dict.insert( "Children", new int(Qtopia::Children) );
         dict.insert( "Gender", new int(Qtopia::Gender) );
         dict.insert( "Birthday", new int(Qtopia::Birthday) );
         dict.insert( "Anniversary", new int(Qtopia::Anniversary) );
         dict.insert( "Nickname", new int(Qtopia::Nickname) );
         dict.insert( "Notes", new int(Qtopia::Notes) );
         dict.insert( "action", new int(JOURNALACTION) );
         dict.insert( "actionrow", new int(JOURNALROW) );
-        
+
         //qWarning( "OContactDefaultBackEnd::loading %s", filename.latin1() );
-        
+
         XMLElement *root = XMLElement::load( filename );
         if(root != 0l ){ // start parsing
                 /* Parse all XML-Elements and put the data into the
                  * Contact-Class
                  */
                 XMLElement *element = root->firstChild();
                 //qWarning("OContactAccess::load tagName(): %s", root->tagName().latin1() );
                 element = element->firstChild();
-                
+
                 /* Search Tag "Contacts" which is the parent of all Contacts */
                 while( element && !isJournal ){
                         if( element->tagName() != QString::fromLatin1("Contacts") ){
                                 //qWarning ("OContactDefBack::Searching for Tag \"Contacts\"! Found: %s",
                                         //  element->tagName().latin1());
                                 element = element->nextChild();
                         } else {
                                 element = element->firstChild();
                                 break;
                         }
                 }
                 /* Parse all Contacts and ignore unknown tags */
@@ -652,41 +657,41 @@ bool OContactAccessBackend_XML::load( const QString filename, bool isJournal )
                                 //qWarning ("OContactDefBack::Searching for Tag \"Contact\"! Found: %s",
                                         //  element->tagName().latin1());
                                 element = element->nextChild();
                                 continue;
                         }
                         /* Found alement with tagname "contact", now parse and store all
                          * attributes contained
                          */
                         //qWarning("OContactDefBack::load element tagName() : %s",
                                 // element->tagName().latin1() );
                         QString dummy;
                         foundAction = false;
-                        
+
                         XMLElement::AttributeMap aMap = element->attributes();
                         XMLElement::AttributeMap::Iterator it;
                         contactMap.clear();
                         customMap.clear();
                         for( it = aMap.begin(); it != aMap.end(); ++it ){
                                 // qWarning ("Read Attribute: %s=%s", it.key().latin1(),it.data().latin1());
-                                
+
                                 int *find = dict[ it.key() ];
                                 /* Unknown attributes will be stored as "Custom" elements */
                                 if ( !find ) {
                                         qWarning("Attribute %s not known.", it.key().latin1());
                                         //contact.setCustomField(it.key(), it.data());
                                         customMap.insert( it.key(),  it.data() );
                                         continue;
                                 }
-                                
+
                                 /* Check if special conversion is needed and add attribute
                                  * into Contact class
                                  */
                                 switch( *find ) {
                                         /*
                                           case Qtopia::AddressUid:
                                           contact.setUid( it.data().toInt() );
                                           break;
                                           case Qtopia::AddressCategory:
                                           contact.setCategories( Qtopia::Record::idsFromString( it.data( )));
                                           break;
                                         */
@@ -696,86 +701,86 @@ bool OContactAccessBackend_XML::load( const QString filename, bool isJournal )
                                         qWarning ("ODefBack(journal)::ACTION found: %d", action);
                                         break;
                                 case JOURNALROW:
                                         journalKey = it.data().toInt();
                                         break;
                                 default: // no conversion needed add them to the map
                                         contactMap.insert( *find, it.data() );
                                         break;
                                 }
                         }
                         /* now generate the Contact contact */
                         OContact contact( contactMap );
-                        
+
                         for (customIt = customMap.begin(); customIt != customMap.end(); ++customIt ) {
                                 contact.setCustomField( customIt.key(),  customIt.data() );
                         }
-                        
+
                         if (foundAction){
                                 foundAction = false;
                                 switch ( action ) {
                                 case ACTION_ADD:
                                         addContact_p (contact);
                                         break;
                                 case ACTION_REMOVE:
                                         if ( !remove (contact.uid()) )
                                                 qWarning ("ODefBack(journal)::Unable to remove uid: %d",
                                                           contact.uid() );
                                         break;
                                 case ACTION_REPLACE:
                                         if ( !replace ( contact ) )
                                                 qWarning ("ODefBack(journal)::Unable to replace uid: %d",
                                                           contact.uid() );
                                         break;
                                 default:
                                         qWarning ("Unknown action: ignored !");
                                         break;
                                 }
                         }else{
                                 /* Add contact to list */
                                 addContact_p (contact);
                         }
-                        
+
                         /* Move to next element */
                         element = element->nextChild();
                 }
         }else {
                 qWarning("ODefBack::could not load");
         }
         delete root;
         qWarning("returning from loading" );
         return true;
 }
 
 
 void OContactAccessBackend_XML::updateJournal( const OContact& cnt,
-                                               journal_action action ) 
+                                               journal_action action )
 {
         QFile f( m_journalName );
         bool created = !f.exists();
         if ( !f.open(IO_WriteOnly|IO_Append) )
                 return;
-        
+
         QString buf;
         QCString str;
-        
+
         // if the file was created, we have to set the Tag "<CONTACTS>" to
         // get a XML-File which is readable by our parser.
         // This is just a cheat, but better than rewrite the parser.
         if ( created ){
                 buf = "<Contacts>";
                 QCString cstr = buf.utf8();
                 f.writeBlock( cstr.data(), cstr.length() );
         }
-        
+
         buf = "<Contact ";
         cnt.save( buf );
         buf += " action=\"" + QString::number( (int)action ) + "\" ";
         buf += "/>\n";
         QCString cstr = buf.utf8();
         f.writeBlock( cstr.data(), cstr.length() );
 }
 
 void OContactAccessBackend_XML::removeJournal()
 {
         QFile f ( m_journalName );
         if ( f.exists() )
diff --git a/libopie/pim/ocontactaccessbackend_xml.h b/libopie/pim/ocontactaccessbackend_xml.h
index 4d6a7ef..7b5365b 100644
--- a/libopie/pim/ocontactaccessbackend_xml.h
+++ b/libopie/pim/ocontactaccessbackend_xml.h
@@ -8,24 +8,29 @@
          *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...
  *
  *
  * =====================================================================
  * Version: $Id$
  * =====================================================================
  * History:
  * $Log$
+ * 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
@@ -75,70 +80,75 @@
  */
 
 #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 ( QString appname, QString filename = 0l );
-        
+        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.. 
+
+        // 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
diff --git a/libopie/pim/odatebookaccess.cpp b/libopie/pim/odatebookaccess.cpp
index 08e61ff..a3661a3 100644
--- a/libopie/pim/odatebookaccess.cpp
+++ b/libopie/pim/odatebookaccess.cpp
@@ -1,38 +1,66 @@
 #include "obackendfactory.h"
 #include "odatebookaccess.h"
 
+/**
+ * Simple constructor
+ * It takes a ODateBookAccessBackend as parent. If it is 0 the default implementation
+ * will be used!
+ * @param back The backend to be used or 0 for the default backend
+ * @param ac What kind of access is intended
+ */
 ODateBookAccess::ODateBookAccess( ODateBookAccessBackend* back, enum Access ac )
     : OPimAccessTemplate<OEvent>( back )
 {
     if (!back )
         back = OBackendFactory<ODateBookAccessBackend>::Default("datebook", QString::null );
 
     m_backEnd = back;
     setBackEnd( m_backEnd );
 }
 ODateBookAccess::~ODateBookAccess() {
 }
+
+/**
+ * @return all events available
+ */
 ODateBookAccess::List ODateBookAccess::rawEvents()const {
     QArray<int> ints = m_backEnd->rawEvents();
 
     List lis( ints, this );
     return lis;
 }
+
+/**
+ * @return all repeating events
+ */
 ODateBookAccess::List ODateBookAccess::rawRepeats()const {
     QArray<int> ints = m_backEnd->rawRepeats();
 
     List lis( ints, this );
     return lis;
 }
+
+/**
+ * @return all non repeating events
+ */
 ODateBookAccess::List ODateBookAccess::nonRepeats()const {
     QArray<int> ints = m_backEnd->nonRepeats();
 
     List lis( ints, this );
     return lis;
 }
+
+/**
+ * @return dates in the time span between from and to
+ * @param from Include all events from...
+ * @param to Include all events to...
+ */
 OEffectiveEvent::ValueList ODateBookAccess::effectiveEvents( const QDate& from, const QDate& to ) {
     return m_backEnd->effecticeEvents( from, to );
 }
+/**
+ * @return all events at a given datetime
+ */
 OEffectiveEvent::ValueList ODateBookAccess::effectiveEvents( const QDateTime& start ) {
     return m_backEnd->effecticeEvents( start );
 }
diff --git a/libopie/pim/odatebookaccess.h b/libopie/pim/odatebookaccess.h
index 7047039..7c7a63f 100644
--- a/libopie/pim/odatebookaccess.h
+++ b/libopie/pim/odatebookaccess.h
@@ -1,32 +1,41 @@
 #ifndef OPIE_DATE_BOOK_ACCESS_H
 #define OPIE_DATE_BOOK_ACCESS_H
 
 #include "odatebookaccessbackend.h"
 #include "opimaccesstemplate.h"
 
 #include "oevent.h"
 
+/**
+ * This is the object orientated datebook database. It'll use OBackendFactory
+ * to query for a backend.
+ * All access to the datebook should be done via this class.
+ * Make sure to load and save the datebook this is not part of
+ * destructing and creating the object
+ *
+ * @author Holger Freyther
+ */
 class ODateBookAccess : public OPimAccessTemplate<OEvent> {
 public:
     ODateBookAccess( ODateBookAccessBackend* = 0l, enum Access acc = Random );
     ~ODateBookAccess();
 
-    /** return all events */
+    /* return all events */
     List rawEvents()const;
 
-    /** return repeating events */
+    /* return repeating events */
     List rawRepeats()const;
 
-    /** return non repeating events */
+    /* return non repeating events */
     List nonRepeats()const;
 
     OEffectiveEvent::ValueList effectiveEvents( const QDate& from, const QDate& to );
     OEffectiveEvent::ValueList effectiveEvents( const QDateTime& start );
 
 private:
     ODateBookAccessBackend* m_backEnd;
     class Private;
     Private* d;
 };
 
 #endif
diff --git a/libopie/pim/odatebookaccessbackend.h b/libopie/pim/odatebookaccessbackend.h
index eb6e8fb..86ff298 100644
--- a/libopie/pim/odatebookaccessbackend.h
+++ b/libopie/pim/odatebookaccessbackend.h
@@ -1,32 +1,73 @@
 #ifndef OPIE_DATE_BOOK_ACCESS_BACKEND_H
 #define OPIE_DATE_BOOK_ACCESS_BACKEND_H
 
 #include <qarray.h>
 
 #include "opimaccessbackend.h"
 #include "oevent.h"
 
+/**
+ * This class is the interface to the storage of Events.
+ * @see OPimAccessBackend
+ *
+ */
 class ODateBookAccessBackend : public OPimAccessBackend<OEvent> {
 public:
     typedef int UID;
+
+    /**
+     * c'tor without parameter
+     */
     ODateBookAccessBackend();
     ~ODateBookAccessBackend();
 
+    /**
+     * This method should return a list of UIDs containing
+     * all events. No filter should be applied
+     * @return list of events
+     */
     virtual QArray<UID> rawEvents()const = 0;
+
+    /**
+     * This method should return a list of UIDs containing
+     * all repeating events. No filter should be applied
+     * @return list of repeating events
+     */
     virtual QArray<UID> rawRepeats()const = 0;
+
+    /**
+     * This mthod should return a list of UIDs containing all non
+     * repeating events. No filter should be applied
+     * @return list of nonrepeating events
+     */
     virtual QArray<UID> nonRepeats() const = 0;
 
     /**
-     * these two methods are used if you do not implement
-     * effectiveEvents...
+     * If you do not want to implement the effectiveEvents methods below
+     * you need to supply it with directNonRepeats.
+     * This method can return empty lists if effectiveEvents is implememted
      */
     virtual OEvent::ValueList directNonRepeats() = 0;
+
+    /**
+     * Same as above but return raw repeats!
+     */
     virtual OEvent::ValueList directRawRepeats() = 0;
 
     /* is implemented by default but you can reimplement it*/
+    /**
+     * Effective Events are special event occuring during a time frame. This method does calcualte
+     * EffectiveEvents bases on the directNonRepeats and directRawRepeats. You may implement this method
+     * yourself
+     */
     virtual OEffectiveEvent::ValueList effecticeEvents( const QDate& from, const QDate& to );
+
+    /**
+     * this is an overloaded member function
+     * @see effecticeEvents
+     */
     virtual OEffectiveEvent::ValueList effecticeEvents( const QDateTime& start );
 
 };
 
 #endif
diff --git a/libopie/pim/odatebookaccessbackend_xml.h b/libopie/pim/odatebookaccessbackend_xml.h
index 563c31f..7848f7c 100644
--- a/libopie/pim/odatebookaccessbackend_xml.h
+++ b/libopie/pim/odatebookaccessbackend_xml.h
@@ -1,19 +1,25 @@
 #ifndef OPIE_DATE_BOOK_ACCESS_BACKEND_XML__H
 #define OPIE_DATE_BOOK_ACCESS_BACKEND_XML__H
 
 #include <qmap.h>
 
 #include "odatebookaccessbackend.h"
 
+/**
+ * This is the default XML implementation for DateBoook XML storage
+ * It fully implements the interface
+ * @see ODateBookAccessBackend
+ * @see OPimAccessBackend
+ */
 class ODateBookAccessBackend_XML : public ODateBookAccessBackend {
 public:
     ODateBookAccessBackend_XML( const QString& appName,
                                 const QString& fileName = QString::null);
     ~ODateBookAccessBackend_XML();
 
     bool load();
     bool reload();
     bool save();
 
     QArray<int> allRecords()const;
     QArray<int> queryByExample( const OEvent&, int, const QDateTime& d = QDateTime() );
diff --git a/libopie/pim/oevent.h b/libopie/pim/oevent.h
index 585515c..57d32d0 100644
--- a/libopie/pim/oevent.h
+++ b/libopie/pim/oevent.h
@@ -21,44 +21,60 @@ struct OCalendarHelper {
 
     // returns the dayOfWeek for the *first* day it finds (ignores
     // any further days!). Returns 1 (Monday) if there isn't any day found
     static int dayOfWeek( char day );
 
     /** returns the diff of month */
     static int monthDiff( const QDate& first, const QDate& second );
 
 };
 
 class OPimNotifyManager;
 class ORecur;
+
+/**
+ * This is the container for all Events. It encapsules all
+ * available information for a single Event
+ * @short container for events.
+ */
 class OEvent : public OPimRecord {
 public:
     typedef QValueList<OEvent> ValueList;
+    /**
+     * RecordFields contain possible attributes
+     */
     enum RecordFields {
         Uid = Qtopia::UID_ID,
         Category = Qtopia::CATEGORY_ID,
         Description,
         Location,
         Alarm,
         Reminder,
         Recurrence,
         Note,
         Created,
         StartDate,
         EndDate,
         AllDay,
         TimeZone
     };
 
+    /**
+     * Start with an Empty OEvent. UID == 0 means that it is empty
+     */
     OEvent(int uid = 0);
+
+    /**
+     * copy c'tor
+     */
     OEvent( const OEvent& );
     ~OEvent();
     OEvent &operator=( const OEvent& );
 
     QString description()const;
     void setDescription( const QString& description );
 
     QString location()const;
     void setLocation( const QString& loc );
 
     bool hasNotifiers()const;
     OPimNotifyManager &notifiers()const;
@@ -135,25 +151,24 @@ private:
     inline void changeOrModify();
     void deref();
     struct Data;
     Data* data;
     class Private;
     Private* priv;
 
 };
 
 /**
  * AN Event can span through multiple days. We split up a multiday eve
  */
-
 class OEffectiveEvent {
 public:
     typedef QValueList<OEffectiveEvent> ValueList;
     enum Position { MidWay, Start, End, StartEnd };
         // If we calculate the effective event of a multi-day event
     // we have to figure out whether we are at the first day,
     // at the end, or anywhere else ("middle"). This is important
     // for the start/end times (00:00/23:59)
     // MidWay: 00:00 -> 23:59, as we are "in the middle" of a multi-
     //         day event
     // Start: start time -> 23:59
     // End: 00:00 -> end time