vector.h

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/********************************************
   DISCLAIMER:

   This is a wrapper code to mimic the relevant std:: class
   Please use it ONLY when porting an existing code e.g. from the original sources

   For all new development please use classes from Common::
 *********************************************/

#ifndef COMMON_STD_VECTOR_H
#define COMMON_STD_VECTOR_H

#include "common/array.h"

namespace Std {

template<class T>
class vector : public Common::Array<T> {
public:
    struct reverse_iterator {
    private:
        vector<T> *_owner;
        int _index;
    public:
        reverse_iterator(vector<T> *owner, int index) : _owner(owner), _index(index) {
        }
        reverse_iterator() : _owner(0), _index(-1) {
        }

        T &operator*() {
            return (*_owner)[_index];
        }

        reverse_iterator &operator++() {
            --_index;
            return *this;
        }

        bool operator==(const reverse_iterator &rhs) {
            return _owner == rhs._owner && _index == rhs._index;
        }
        bool operator!=(const reverse_iterator &rhs) {
            return !operator==(rhs);
        }
    };

    struct const_reverse_iterator {
    private:
        const vector<T> *_owner;
        int _index;
    public:
        const_reverse_iterator(const vector<T> *owner, int index) : _owner(owner), _index(index) {
        }
        const_reverse_iterator() : _owner(0), _index(-1) {
        }

        const T operator*() const {
            return (*_owner)[_index];
        }

        const_reverse_iterator &operator++() {
            --_index;
            return *this;
        }

        bool operator==(const const_reverse_iterator &rhs) const {
            return _owner == rhs._owner && _index == rhs._index;
        }
        bool operator!=(const const_reverse_iterator &rhs) const {
            return !operator==(rhs);
        }
        bool operator<(const const_reverse_iterator &rhs) const {
            return _index > rhs._index;
        }
    };
public:
    using iterator = typename Common::Array<T>::iterator;
    using const_iterator = typename Common::Array<T>::const_iterator;

    constexpr vector() : Common::Array<T>() {}
    explicit vector(size_t newSize) : Common::Array<T>(newSize) {}
    vector(size_t newSize, const T &elem) : Common::Array<T>(newSize, elem) {}
    vector(std::initializer_list<T> list) : Common::Array<T>(list) {}

    using Common::Array<T>::insert;

    void insert(const T &element) {
        this->push_back(element);
    }

    void insert(iterator position, const_iterator first, const_iterator last) {
        int destIndex = position - this->begin();
        for (; first != last; ++first) {
            this->insert_at(destIndex++, *first);
        }
    }

    T &at(size_t index) {
        return (*this)[index];
    }
    const T &at(size_t index) const {
        return (*this)[index];
    }

    void remove(T element) {
        for (uint i = 0; i < this->size(); ++i) {
            if (this->operator[](i) == element) {
                this->remove_at(i);
                return;
            }
        }
    }

    void rotate(iterator it) {
        if (it != this->end()) {
            size_t count = it - this->begin();
            for (size_t ctr = 0; ctr < count; ++ctr) {
                this->push_back(this->front());
                this->remove_at(0);
            }
        }
    }

    const_iterator cbegin() {
        return this->begin();
    }
    const_iterator cend() {
        return this->end();
    }
    reverse_iterator rbegin() {
        return reverse_iterator(this, (int)this->size() - 1);
    }
    reverse_iterator rend() {
        return reverse_iterator(this, -1);
    }
    const_reverse_iterator rbegin() const {
        return const_reverse_iterator(this, (int)this->size() - 1);
    }
    const_reverse_iterator rend() const {
        return const_reverse_iterator(this, -1);
    }
    const_reverse_iterator crbegin() const {
        return const_reverse_iterator(this, (int)this->size() - 1);
    }
    const_reverse_iterator crend() const {
        return const_reverse_iterator(this, -1);
    }
};

} // namespace Std

#endif