100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
/*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
* Copyright 2015-2016 Danny Robson <danny@nerdcruft.net>
|
|
*/
|
|
|
|
|
|
#ifndef __UTIL_VIEW_HPP
|
|
#define __UTIL_VIEW_HPP
|
|
|
|
#include "./types/traits.hpp"
|
|
|
|
#include <cstdlib>
|
|
#include <ostream>
|
|
|
|
namespace util {
|
|
template <typename T>
|
|
struct view {
|
|
public:
|
|
using value_type = typename std::iterator_traits<remove_restrict_t<T>>::value_type;
|
|
|
|
constexpr
|
|
view (T first, T last) noexcept;
|
|
|
|
template <typename K> constexpr explicit view ( K &klass);
|
|
template <typename K> constexpr explicit view (const K &klass);
|
|
|
|
constexpr T& begin (void) noexcept;
|
|
constexpr T& end (void) noexcept;
|
|
|
|
constexpr const T& begin (void) const noexcept;
|
|
constexpr const T& end (void) const noexcept;
|
|
|
|
constexpr const T& cbegin (void) const noexcept;
|
|
constexpr const T& cend (void) const noexcept;
|
|
|
|
constexpr T find (const value_type&) const noexcept;
|
|
|
|
constexpr bool empty (void) const noexcept;
|
|
constexpr size_t size (void) const noexcept;
|
|
|
|
constexpr value_type& operator[] (size_t) noexcept;
|
|
constexpr const value_type& operator[] (size_t) const noexcept;
|
|
|
|
bool operator== (view) const noexcept;
|
|
|
|
private:
|
|
T m_begin;
|
|
T m_end;
|
|
};
|
|
|
|
template <typename T, size_t N>
|
|
auto
|
|
make_view (const T (&)[N]);
|
|
|
|
template <typename T>
|
|
auto
|
|
make_view (T&);
|
|
|
|
template <typename T>
|
|
auto
|
|
make_view (const T&);
|
|
|
|
template <typename T>
|
|
auto
|
|
make_view (T&&) = delete;
|
|
|
|
template <typename T>
|
|
auto
|
|
make_cview (const T&);
|
|
|
|
bool operator== (const std::string&, view<const char*>);
|
|
bool operator== (const std::string&, view<char*>);
|
|
bool operator== (const std::string&, view<std::string::const_iterator>);
|
|
bool operator== (const std::string&, view<std::string::iterator>);
|
|
|
|
bool operator== (view<const char*>, const std::string&);
|
|
bool operator== (view<char*>, const std::string&);
|
|
bool operator== (view<std::string::const_iterator>, const std::string&);
|
|
bool operator== (view<std::string::iterator>, const std::string&);
|
|
|
|
template <typename T>
|
|
std::ostream&
|
|
operator<< (std::ostream&, view<T>);
|
|
}
|
|
|
|
#include "./view.ipp"
|
|
|
|
#endif
|