aria2/src/PStringNumLoop.h

113 lines
3.0 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#ifndef _D_P_STRING_NUM_LOOP_H_
#define _D_P_STRING_NUM_LOOP_H_
#include "PStringDatum.h"
#include "PStringSegment.h"
#include "NumberDecorator.h"
namespace aria2 {
class PStringNumLoop : public PStringDatum
{
private:
unsigned int _startValue;
unsigned int _endValue;
unsigned int _step;
NumberDecoratorHandle _numberDecorator;
PStringDatumHandle _next;
public:
PStringNumLoop(unsigned int startValue, unsigned int endValue,
unsigned int step,
const NumberDecoratorHandle& nd,
const PStringDatumHandle& next):
_startValue(startValue),
_endValue(endValue),
_step(step),
_numberDecorator(nd),
_next(next) {}
PStringNumLoop(unsigned int startValue, unsigned int endValue,
unsigned int step,
const NumberDecoratorHandle& nd):
_startValue(startValue),
_endValue(endValue),
_step(step),
_numberDecorator(nd) {}
virtual ~PStringNumLoop() {}
virtual void accept(PStringVisitor* visitor)
{
for(unsigned int i = _startValue; i <= _endValue; i += _step) {
PStringSegment(_numberDecorator->decorate(i), _next).accept(visitor);
}
}
PStringDatumHandle getNext() const
{
return _next;
}
unsigned int getStartValue() const
{
return _startValue;
}
unsigned int getEndValue() const
{
return _endValue;
}
unsigned int getStep() const
{
return _step;
}
};
typedef SharedHandle<PStringNumLoop> PStringNumLoopHandle;
} // namespace aria2
#endif // _D_P_STRING_NUM_LOOP_H_