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Common
Range.hpp
Go to the documentation of this file.
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/*
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* Copyright (c) 2017 Louis Langholtz https://github.com/louis-langholtz/PlayRho
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef PLAYRHO_COMMON_RANGE_HPP
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#define PLAYRHO_COMMON_RANGE_HPP
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#include <
PlayRho/Defines.hpp
>
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#include <cstddef>
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namespace
playrho
{
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template
<
typename
IT>
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class
Range
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{
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public
:
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using
iterator_type
= IT;
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PLAYRHO_CONSTEXPR
inline
Range
(
iterator_type
iter_begin,
iterator_type
iter_end) noexcept:
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m_begin{iter_begin}, m_end{iter_end}
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{
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// Intentionally empty.
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}
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PLAYRHO_CONSTEXPR
iterator_type
begin
() const noexcept
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{
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return
m_begin;
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}
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PLAYRHO_CONSTEXPR
iterator_type
end
() const noexcept
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{
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return
m_end;
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}
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PLAYRHO_CONSTEXPR
bool
empty
() const noexcept
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{
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return
m_begin == m_end;
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}
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private
:
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iterator_type
m_begin;
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iterator_type
m_end;
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};
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template
<
typename
IT>
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class
SizedRange
:
public
Range
<IT>
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{
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public
:
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using
size_type
= std::size_t;
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PLAYRHO_CONSTEXPR
inline
SizedRange
(
typename
Range<IT>::iterator_type
iter_begin,
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typename
Range<IT>::iterator_type
iter_end,
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size_type
size
) noexcept:
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Range<IT>
{iter_begin, iter_end}, m_size{
size
}
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{
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// Intentionally empty.
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}
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PLAYRHO_CONSTEXPR
size_type
size
() const noexcept
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{
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return
m_size;
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}
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private
:
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size_type
m_size;
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};
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}
// namespace playrho
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#endif // PLAYRHO_COMMON_RANGE_HPP