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108 lines
2.6 KiB
108 lines
2.6 KiB
15 years ago
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/*
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Copyright 2009 Ingo Klöcker <kloecker@kde.org>
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This library is free software; you can redistribute it and/or modify it
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under the terms of the GNU Library General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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This library is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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License for more details.
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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 the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA.
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*/
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#include "comparisonvisitor.h"
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#include "event.h"
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#include "freebusy.h"
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#include "journal.h"
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#include "todo.h"
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using namespace KCal;
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class ComparisonVisitor::Private
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{
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public:
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Private() : mReference( 0 ) {}
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public:
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const IncidenceBase *mReference;
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};
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ComparisonVisitor::ComparisonVisitor() : d( new Private() )
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{
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}
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ComparisonVisitor::~ComparisonVisitor()
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{
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delete d;
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}
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bool ComparisonVisitor::compare( IncidenceBase *incidence, const IncidenceBase *reference )
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{
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d->mReference = reference;
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const bool result = incidence ? incidence->accept( *this ) : reference == 0;
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d->mReference = 0;
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return result;
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}
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bool ComparisonVisitor::visit( Event *event )
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{
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Q_ASSERT( event != 0 );
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const Event *refEvent = dynamic_cast<const Event*>( d->mReference );
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if ( refEvent ) {
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return *event == *refEvent;
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} else {
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// refEvent is no Event and thus cannot be equal to event
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return false;
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}
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}
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bool ComparisonVisitor::visit( Todo *todo )
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{
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Q_ASSERT( todo != 0 );
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const Todo *refTodo = dynamic_cast<const Todo*>( d->mReference );
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if ( refTodo ) {
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return *todo == *refTodo;
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} else {
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// refTodo is no Todo and thus cannot be equal to todo
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return false;
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}
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}
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bool ComparisonVisitor::visit( Journal *journal )
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{
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Q_ASSERT( journal != 0 );
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const Journal *refJournal = dynamic_cast<const Journal*>( d->mReference );
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if ( refJournal ) {
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return *journal == *refJournal;
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} else {
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// refJournal is no Journal and thus cannot be equal to journal
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return false;
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}
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}
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bool ComparisonVisitor::visit( FreeBusy *freebusy )
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{
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Q_ASSERT( freebusy != 0 );
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const FreeBusy *refFreeBusy = dynamic_cast<const FreeBusy*>( d->mReference );
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if ( refFreeBusy ) {
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return *freebusy == *refFreeBusy;
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} else {
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// refFreeBusy is no FreeBusy and thus cannot be equal to freebusy
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return false;
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}
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}
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