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opm-common/opm/input/eclipse/Deck/DeckView.hpp
2022-01-02 14:32:14 +01:00

92 lines
3.0 KiB
C++

/*
Copyright 2021 Statoil 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 DECKVIEW_HPP
#define DECKVIEW_HPP
#include <opm/input/eclipse/Deck/DeckKeyword.hpp>
#include <unordered_map>
namespace Opm {
class DeckView {
public:
typedef std::vector<std::reference_wrapper<const DeckKeyword>> storage_type;
struct Iterator : public storage_type::iterator {
Iterator(storage_type::const_iterator inner_iter) :
inner(inner_iter)
{}
const DeckKeyword& operator*() { return this->inner->get(); }
const DeckKeyword* operator->() { return &this->inner->get(); }
Iterator& operator++() { ++this->inner; return *this; }
Iterator operator++(int) { auto tmp = *this; ++this->inner; return tmp; }
Iterator& operator--() { --this->inner; return *this; }
Iterator operator--(int) { auto tmp = *this; --this->inner; return tmp; }
Iterator::difference_type operator-(const Iterator &other) { return this->inner - other.inner; }
Iterator operator+(Iterator::difference_type shift) { Iterator tmp = *this; tmp.inner += shift; return tmp;}
friend bool operator== (const Iterator& a, const Iterator& b) { return a.inner == b.inner; };
friend bool operator!= (const Iterator& a, const Iterator& b) { return a.inner != b.inner; };
private:
storage_type::const_iterator inner;
};
Iterator begin() const { return Iterator(this->keywords.begin()); }
Iterator end() const { return Iterator(this->keywords.end()); }
const DeckKeyword& operator[](std::size_t index) const;
DeckView operator[](const std::string& keyword) const;
std::vector<std::size_t> index(const std::string& keyword) const;
std::size_t count(const std::string& keyword) const;
const DeckKeyword& front() const;
const DeckKeyword& back() const;
DeckView() = default;
void add_keyword(const DeckKeyword& kw);
bool has_keyword(const std::string& kw) const;
bool empty() const;
std::size_t size() const;
template<class Keyword>
bool has_keyword() const {
return this->has_keyword( Keyword::keywordName );
}
template<class Keyword>
DeckView get() const {
return this->operator[](Keyword::keywordName);
}
private:
storage_type keywords;
std::unordered_map<std::string, std::vector<std::size_t>> keyword_index;
};
}
#endif