forked from premiere/premiere-libtorrent
77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
/*
|
|
|
|
Copyright (c) 2016, Arvid Norberg
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
|
|
* Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
* Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in
|
|
the documentation and/or other materials provided with the distribution.
|
|
* Neither the name of the author nor the names of its
|
|
contributors may be used to endorse or promote products derived
|
|
from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
*/
|
|
|
|
#ifndef TORRENT_ARRAY_VIEW_HPP_INCLUDED
|
|
#define TORRENT_ARRAY_VIEW_HPP_INCLUDED
|
|
|
|
#include <vector>
|
|
|
|
namespace libtorrent { namespace aux {
|
|
|
|
template <typename T>
|
|
struct array_view
|
|
{
|
|
array_view() : m_ptr(NULL), m_len(0) {}
|
|
array_view(T* p, int l) : m_ptr(p), m_len(l) {}
|
|
|
|
template <size_t N>
|
|
explicit array_view(boost::array<T, N>& arr)
|
|
: m_ptr(arr.data()), m_len(arr.size()) {}
|
|
|
|
template <size_t N>
|
|
explicit array_view(T (&arr)[N])
|
|
: m_ptr(&arr[0]), m_len(N) {}
|
|
|
|
explicit array_view(std::vector<T>& vec)
|
|
: m_ptr(vec.data()), m_len(vec.size()) {}
|
|
|
|
size_t size() const { return m_len; }
|
|
T* data() const { return m_ptr; }
|
|
T* begin() const { return m_ptr; }
|
|
T* end() const { return m_ptr + m_len; }
|
|
|
|
T& operator[](int idx)
|
|
{
|
|
TORRENT_ASSERT(idx >= 0);
|
|
TORRENT_ASSERT(idx < m_len);
|
|
return m_ptr[idx];
|
|
}
|
|
|
|
private:
|
|
T* m_ptr;
|
|
size_t m_len;
|
|
};
|
|
}}
|
|
|
|
#endif
|
|
|