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/*
This file is part of libkpimexchange.
Copyright (c) 2002 Jan-Pascal van Best <janpascal@vanbest.org>
This library 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.
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 Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
// $Id$
#ifndef _DATESET_H
#define _DATESET_H
#include <tqdatetime.h>
#include <tqpair.h>
#include <tqptrlist.h>
/*
class DateRange {
public:
DateRange() { }
DateRange( TQDate const& from, TQDate const& to )
: mFrom( from ), mTo( to ) { }
bool operator< ( const DateRange& r ) { return mFrom < r.from(); }
bool tqcontains( TQDate const& d ) { return ( mFrom <= d && d <= mTo ); }
bool tqcontains( TQDate const& from, TQDate const& to ) { return ( mFrom <= from && to <= mTo ); }
TQDate from() { return mFrom; }
TQDate to() { return mTo; }
private:
TQDate mFrom;
TQDate mTo;
}
*/
class RangeList : public TQPtrList< QPair<TQDate, TQDate> > {
protected:
virtual int compareItems(TQPtrCollection::Item item1, TQPtrCollection::Item item2) {
QPair<TQDate,TQDate> *i1 = static_cast<QPair<TQDate,TQDate> *> (item1);
QPair<TQDate,TQDate> *i2 = static_cast<QPair<TQDate,TQDate> *> (item2);
if ( *i1 < *i2 ) return -1;
if ( *i2 < *i1 ) return 1;
return 0;
}
};
class DateSet {
public:
DateSet();
~DateSet();
void add( TQDate const& date );
void add( TQDate const& from, TQDate const& to );
void remove( TQDate const& date );
void remove( TQDate const& from, TQDate const& to );
bool tqcontains( TQDate const& date );
// returns true if and only if the whole range is in the set
bool tqcontains( TQDate const& from, TQDate const& to );
int find( TQDate const &date );
void print();
protected:
private:
bool tryMerge( int i );
RangeList *mDates;
TQDate mOldestDate;
TQDate mNewestDate;
};
#endif
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