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88 lines
2.5 KiB
88 lines
2.5 KiB
15 years ago
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/*
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This file is part of libkpimexchange.
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Copyright (c) 2002 Jan-Pascal van Best <janpascal@vanbest.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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// $Id$
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#ifndef _DATESET_H
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#define _DATESET_H
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#include <qdatetime.h>
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#include <qpair.h>
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#include <qptrlist.h>
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/*
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class DateRange {
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public:
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DateRange() { }
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DateRange( QDate const& from, QDate const& to )
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: mFrom( from ), mTo( to ) { }
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bool operator< ( const DateRange& r ) { return mFrom < r.from(); }
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bool contains( QDate const& d ) { return ( mFrom <= d && d <= mTo ); }
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bool contains( QDate const& from, QDate const& to ) { return ( mFrom <= from && to <= mTo ); }
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QDate from() { return mFrom; }
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QDate to() { return mTo; }
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private:
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QDate mFrom;
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QDate mTo;
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}
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*/
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class RangeList : public QPtrList< QPair<QDate, QDate> > {
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protected:
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virtual int compareItems(QPtrCollection::Item item1, QPtrCollection::Item item2) {
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QPair<QDate,QDate> *i1 = static_cast<QPair<QDate,QDate> *> (item1);
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QPair<QDate,QDate> *i2 = static_cast<QPair<QDate,QDate> *> (item2);
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if ( *i1 < *i2 ) return -1;
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if ( *i2 < *i1 ) return 1;
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return 0;
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}
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};
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class DateSet {
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public:
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DateSet();
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~DateSet();
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void add( QDate const& date );
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void add( QDate const& from, QDate const& to );
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void remove( QDate const& date );
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void remove( QDate const& from, QDate const& to );
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bool contains( QDate const& date );
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// returns true if and only if the whole range is in the set
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bool contains( QDate const& from, QDate const& to );
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int find( QDate const &date );
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void print();
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protected:
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private:
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bool tryMerge( int i );
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RangeList *mDates;
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QDate mOldestDate;
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QDate mNewestDate;
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};
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#endif
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