SliceBuilder.h

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/*
 * Fimex, SliceBuilder.h
 *
 * (C) Copyright 2009, met.no
 *
 * Project Info:  https://wiki.met.no/fimex/start
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 *  Created on: Mar 16, 2010
 *      Author: Heiko Klein
 */

#ifndef SLICEBUILDER_H_
#define SLICEBUILDER_H_

#include <string>
#include <vector>
#include <map>
#include <set>
#include <boost/shared_ptr.hpp>

namespace MetNoFimex
{
// forward decl
class CDM;
class CoordinateAxis;
class SliceBuilder
{
public:
    SliceBuilder(const CDM& cdm, const std::string& varName, bool setUnlimited = false);
    SliceBuilder(const std::vector<std::string>& dimNames, const std::vector<size_t>& dimSize);
    virtual ~SliceBuilder();
    void getStartAndSize(const std::string & dimName, std::size_t& start, std::size_t& size) const;
    void setStartAndSize(const std::string& dimName, size_t start, size_t size);
    void setStartAndSize(const boost::shared_ptr<const CoordinateAxis>& axis, size_t start, size_t size);
    void setAll(const std::string& dimName);
    void setAll(const boost::shared_ptr<const CoordinateAxis>& axis);
    const std::vector<size_t>& getDimensionStartPositions() const {return start_;}
    const std::vector<size_t>& getDimensionSizes() const {return size_;}
    std::vector<std::string> getDimensionNames() const;
    std::vector<std::string> getUnsetDimensionNames() const;
    const std::vector<size_t>& getMaxDimensionSizes() const {return maxSize_;}
protected:
    size_t getDimPos(const std::string& dimName) const;
private:
    void init(const std::vector<std::string>& dimNames, const std::vector<std::size_t>& dimSize, const std::vector<bool>& unlimited);
    // position of the dimension
    std::map<std::string, size_t> dimPos_;
    std::set<std::string> setDims_;
    std::vector<size_t> maxSize_;
    std::vector<bool> unlimited_;
    std::vector<size_t> start_;
    std::vector<size_t> size_;

};

std::ostream& operator<<(std::ostream& os, const SliceBuilder& sb);

}



#endif /* SLICEBUILDER_H_ */