KeysInMatrix.h

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/***************************************************************************
 *
 * Copyright (C) 2009-2010 Cassio Neri Moreira
 *
 * This file is part of the KeyValue library.
 *
 * The KeyValue library 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 3 of the License, or (at
 * your option) any later version.
 *
 * The KeyValue 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 General
 * Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with KeyValue. If not, see <http://www.gnu.org/licenses/>.
 *
 **************************************************************************/

#ifndef KEYVALUE_PATTERN_KEYSINMATRIX_H_
#define KEYVALUE_PATTERN_KEYSINMATRIX_H_

#include "keyvalue/extern/Vector.h"
#include "keyvalue/pattern/Pattern.h"

namespace keyvalue {
namespace pattern {

class KeysInMatrix : public Pattern {

public:

  KeysInMatrix();

  bool
  parse(frontend::Queue& queue);

  std::pair<string, value::Value>
  pop();

  bool
  isEmpty() const;

private:

  size_t                                    next_;
  vector<std::pair<string, value::Value> >  data_;

  bool
  check(const value::Matrix& matrix, bool transpose = false);

}; // class KeysInMatrix

} // namespace pattern
} // namespace keyvalue

#endif // KEYVALUE_PATTERN_KEYSINMATRIX_H_