Gabriele Cosmo
129 lines
2.4 KiB
C++
129 lines
2.4 KiB
C++
/*
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# <<BEGIN-copyright>>
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# Copyright 2019, Lawrence Livermore National Security, LLC.
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# This file is part of the gidiplus package (https://github.com/LLNL/gidiplus).
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# gidiplus is licensed under the MIT license (see https://opensource.org/licenses/MIT).
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# SPDX-License-Identifier: MIT
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# <<END-copyright>>
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*/
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#ifndef nf_buffer_h_included
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#define nf_buffer_h_included
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#if defined __cplusplus
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#include <iterator>
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template<typename T>
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class nf_Buffer {
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private:
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T *m_data;
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size_t m_length;
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public:
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using iterator = T*;
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using const_iterator = T const *;
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inline
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constexpr
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nf_Buffer() noexcept : m_data(nullptr), m_length(0) {}
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inline
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nf_Buffer(nf_Buffer const &c) :
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m_data(new T[c.m_length]),
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m_length(c.m_length)
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{
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for(size_t i = 0;i < m_length;++ i){
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m_data[i] = c.m_data[i];
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}
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}
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inline
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~nf_Buffer() noexcept {
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deallocate();
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}
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inline
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constexpr
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size_t size() const noexcept { return m_length; }
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inline
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void clear(T value){
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for(size_t i = 0;i < m_length;++ i){
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m_data[i] = value;
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}
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}
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inline
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void allocate(size_t length){
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deallocate();
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m_length = length;
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m_data = new T[length];
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}
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inline
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void deallocate() noexcept {
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delete[] m_data;
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m_length = 0;
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}
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inline
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void resize(size_t length){
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allocate(length);
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}
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inline
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std::vector<T> vector() const {
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return std::vector<T>(cbegin(), cend());
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}
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inline
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T* data() noexcept {return m_data;}
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inline
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constexpr
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T const * data() const noexcept {return m_data;}
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template<typename I>
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inline
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T& operator[](I idx) noexcept {return m_data[idx];}
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template<typename I>
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inline
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constexpr
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T const & operator[](I idx) const noexcept {return m_data[idx];}
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inline
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iterator begin() noexcept { return m_data; }
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inline
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constexpr
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const_iterator begin() const noexcept { return m_data; }
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inline
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iterator end() noexcept { return m_data + m_length; }
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inline
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constexpr
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const_iterator end() const noexcept { return m_data + m_length; }
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inline
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constexpr
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const_iterator cbegin() const noexcept { return m_data; }
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inline
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constexpr
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const_iterator cend() const noexcept { return m_data + m_length; }
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};
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#endif
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#endif /* End of nf_buffer_h_included. */
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