aria2/src/UnionSeedCriteria.h

/* <!-- copyright */
/*
 * aria2 - a simple utility for downloading files faster
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
/* copyright --> */
#ifndef _D_UNION_SEED_CRITERIA_H_
#define _D_UNION_SEED_CRITERIA_H_

#include "SeedCriteria.h"

class UnionSeedCriteria : public SeedCriteria {
private:
  SeedCriterion criterion;

  class Reset {
  public:
    void operator()(SeedCriteriaHandle cri) {
      cri->reset();
    }
  };

  class Eval {
  public:
    bool operator()(SeedCriteriaHandle cri) {
      return cri->evaluate();
    }
  };
public:
  UnionSeedCriteria() {}
  virtual ~UnionSeedCriteria() {}

    
  virtual void reset() {
    for_each(criterion.begin(), criterion.end(), Reset());
  }

  virtual bool evaluate() {
    SeedCriterion::iterator itr = find_if(criterion.begin(),
					  criterion.end(),
					  Eval());
    return itr != criterion.end();
  }

  void addSeedCriteria(SeedCriteriaHandle cri) {
    criterion.push_back(cri);
  }

  const SeedCriterion& getSeedCriterion() const {
    return criterion;
  }
};
      
#endif // _D_UNION_SEED_CRITERIA_H_