nastools_zerotierone/node/Array.hpp
2016-11-01 16:45:16 -07:00

108 lines
3.4 KiB
C++

/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2016 ZeroTier, Inc. https://www.zerotier.com/
*
* 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 ZT_ARRAY_HPP
#define ZT_ARRAY_HPP
#include <string>
#include <algorithm>
namespace ZeroTier {
/**
* Static array -- a simple thing that's belonged in STL since the time of the dinosaurs
*/
template<typename T,std::size_t S>
class Array
{
public:
Array() throw() {}
Array(const Array &a)
{
for(std::size_t i=0;i<S;++i)
data[i] = a.data[i];
}
Array(const T *ptr)
{
for(std::size_t i=0;i<S;++i)
data[i] = ptr[i];
}
inline Array &operator=(const Array &a)
{
for(std::size_t i=0;i<S;++i)
data[i] = a.data[i];
return *this;
}
typedef T value_type;
typedef T* pointer;
typedef const T* const_pointer;
typedef T& reference;
typedef const T& const_reference;
typedef T* iterator;
typedef const T* const_iterator;
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
inline iterator begin() throw() { return data; }
inline iterator end() throw() { return &(data[S]); }
inline const_iterator begin() const throw() { return data; }
inline const_iterator end() const throw() { return &(data[S]); }
inline reverse_iterator rbegin() throw() { return reverse_iterator(begin()); }
inline reverse_iterator rend() throw() { return reverse_iterator(end()); }
inline const_reverse_iterator rbegin() const throw() { return const_reverse_iterator(begin()); }
inline const_reverse_iterator rend() const throw() { return const_reverse_iterator(end()); }
inline std::size_t size() const throw() { return S; }
inline std::size_t max_size() const throw() { return S; }
inline reference operator[](const std::size_t n) throw() { return data[n]; }
inline const_reference operator[](const std::size_t n) const throw() { return data[n]; }
inline reference front() throw() { return data[0]; }
inline const_reference front() const throw() { return data[0]; }
inline reference back() throw() { return data[S-1]; }
inline const_reference back() const throw() { return data[S-1]; }
inline bool operator==(const Array &k) const throw()
{
for(unsigned long i=0;i<S;++i) {
if (data[i] != k.data[i])
return false;
}
return true;
}
inline bool operator<(const Array &k) const throw() { return std::lexicographical_compare(begin(),end(),k.begin(),k.end()); }
inline bool operator!=(const Array &k) const throw() { return !(*this == k); }
inline bool operator>(const Array &k) const throw() { return (k < *this); }
inline bool operator<=(const Array &k) const throw() { return !(k < *this); }
inline bool operator>=(const Array &k) const throw() { return !(*this < k); }
T data[S];
};
} // namespace ZeroTier
#endif