Range.hpp

/*
 * Marvelous OTF2 Traces Interactive Visualizer (MOTIV)
 * Copyright (C) 2023 Florian Gallrein, Björn Gehrke
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */
#ifndef MOTIV_RANGE_HPP
#define MOTIV_RANGE_HPP
 
#include "src/models/communication/CollectiveCommunicationEvent.hpp"
#include "src/models/communication/Communication.hpp"
#include "Slot.hpp"
#include <ranges>
#include <vector>
#include <memory>
 
template<typename T>
class Range {
public:
    using It = typename std::vector<T>::iterator;
 
    Range() = default;
 
    Range(It begin, It end) : begin_(begin), end_(end), vec_(nullptr) {};
 
    Range(const Range &rhs) {
        if (rhs.vec_) {
            vec_ = new std::vector<T>(*rhs.vec_);
            begin_ = std::find(vec_->begin(), vec_->end(), *rhs.begin_);
            end_ = std::find(vec_->begin(), vec_->end(), *rhs.end_);
        } else {
            begin_ = rhs.begin_;
            end_ = rhs.end_;
        }
    };
 
    explicit Range(std::vector<T> &vec) : vec_(new std::vector<T>(vec)), begin_(vec_->begin()), end_(vec_->end()) {};
 
public:
    Range<T> &operator=(const Range<T> &rhs) {
        if (this == &rhs) {
            return *this;
        }
 
 
        if (rhs.vec_) {
            delete vec_;
            vec_ = new std::vector<T>(*rhs.vec_);
            begin_ = std::find(vec_->begin(), vec_->end(), *rhs.begin_);
            end_ = std::find(vec_->begin(), vec_->end(), *rhs.end_);
        } else {
            begin_ = rhs.begin_;
            end_ = rhs.end_;
        }
 
        return *this;
    };
 
 
    It begin() const { return begin_; };
 
 
    It end() const { return end_; };
 
    [[nodiscard]] bool empty() const { return begin_ == end_; };
 
    virtual ~Range() {
        delete vec_;
    };
 
private:
    std::vector<T> *vec_ = nullptr;
    It begin_;
    It end_;
};
 
#endif //MOTIV_RANGE_HPP