EclFile.hpp

/*
   Copyright 2019 Equinor ASA.
 
   This file is part of the Open Porous Media project (OPM).
 
   OPM 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.
 
   OPM 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 OPM.  If not, see <http://www.gnu.org/licenses/>.
   */
 
#ifndef OPM_IO_ECLFILE_HPP
#define OPM_IO_ECLFILE_HPP
 
#include <opm/io/eclipse/EclIOdata.hpp>
 
#include <algorithm>
#include <map>
#include <string>
#include <tuple>
#include <unordered_map>
#include <vector>
#include <cstdint>
 
namespace Opm { namespace EclIO {
 
class EclFile
{
public:
    struct Formatted {
        bool value;
    };
 
    explicit EclFile(const std::string& filename, bool preload = false);
    EclFile(const std::string& filename, Formatted fmt, bool preload = false);
    bool formattedInput() const { return formatted; }
 
    void loadData();                            // load all data
    void loadData(const std::string& arrName);         // load all arrays with array name equal to arrName
    void loadData(int arrIndex);                // load data based on array indices in vector arrIndex
    void loadData(const std::vector<int>& arrIndex);   // load data based on array indices in vector arrIndex
 
    void clearData()
    {
      inte_array.clear();
      real_array.clear();
      doub_array.clear();
      logi_array.clear();
      char_array.clear();
 
      std::fill(arrayLoaded.begin(), arrayLoaded.end(), false);
    }
 
    using EclEntry = std::tuple<std::string, eclArrType, std::int64_t>;
    std::vector<EclEntry> getList() const;
 
    const std::vector<int>& getElementSizeList() const { return array_element_size; }
 
    template <typename T>
    const std::vector<T>& get(int arrIndex);
 
    template <typename T>
    const std::vector<T>& get(const std::string& name);
 
    bool hasKey(const std::string &name) const;
    std::size_t count(const std::string& name) const;
 
    const std::vector<std::string>& arrayNames() const { return array_name; }
    std::size_t size() const;
    bool is_ix() const;
 
protected:
    bool formatted;
    std::string inputFilename;
 
    std::unordered_map<int, std::vector<int>> inte_array;
    std::unordered_map<int, std::vector<bool>> logi_array;
    std::unordered_map<int, std::vector<double>> doub_array;
    std::unordered_map<int, std::vector<float>> real_array;
    std::unordered_map<int, std::vector<std::string>> char_array;
 
    std::vector<std::string> array_name;
    std::vector<eclArrType> array_type;
    std::vector<std::int64_t> array_size;
    std::vector<int> array_element_size;
 
    std::vector<std::uint64_t> ifStreamPos;
 
    std::map<std::string, int> array_index;
 
    template<class T>
    const std::vector<T>& getImpl(int arrIndex, eclArrType type,
                                  const std::unordered_map<int, std::vector<T>>& array,
                                  const std::string& typeStr);
 
    std::streampos
    seekPosition(const std::vector<std::string>::size_type arrIndex) const;
 
private:
    std::vector<bool> arrayLoaded;
 
    void loadBinaryArray(std::fstream& fileH, std::size_t arrIndex);
    void loadFormattedArray(const std::string& fileStr, std::size_t arrIndex, std::int64_t fromPos);
    void load(bool preload);
 
    std::vector<unsigned int> get_bin_logi_raw_values(int arrIndex) const;
    std::vector<std::string> get_fmt_real_raw_str_values(int arrIndex) const;
 
};
 
}} // namespace Opm::EclIO
 
#endif // OPM_IO_ECLFILE_HPP