mirror of https://github.com/PCSX2/pcsx2.git
117 lines
4.8 KiB
C++
117 lines
4.8 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
|
|
* Copyright (C) 2002-2010 PCSX2 Dev Team
|
|
*
|
|
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
|
|
* of the GNU Lesser General Public License as published by the Free Software Found-
|
|
* ation, either version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* PCSX2 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 PCSX2.
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/**
|
|
* Provides a map template which doesn't require heap allocations for lookups.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "Pcsx2Defs.h"
|
|
#include <map>
|
|
#include <set>
|
|
#include <string>
|
|
#include <unordered_map>
|
|
#include <unordered_set>
|
|
|
|
namespace detail
|
|
{
|
|
struct transparent_string_hash
|
|
{
|
|
using is_transparent = void;
|
|
|
|
std::size_t operator()(const std::string_view& v) const { return std::hash<std::string_view>{}(v); }
|
|
std::size_t operator()(const std::string& s) const { return std::hash<std::string>{}(s); }
|
|
std::size_t operator()(const char* s) const { return operator()(std::string_view(s)); }
|
|
};
|
|
|
|
struct transparent_string_equal
|
|
{
|
|
using is_transparent = void;
|
|
|
|
bool operator()(const std::string& lhs, const std::string_view& rhs) const { return lhs == rhs; }
|
|
bool operator()(const std::string& lhs, const std::string& rhs) const { return lhs == rhs; }
|
|
bool operator()(const std::string& lhs, const char* rhs) const { return lhs == rhs; }
|
|
bool operator()(const std::string_view& lhs, const std::string& rhs) const { return lhs == rhs; }
|
|
bool operator()(const char* lhs, const std::string& rhs) const { return lhs == rhs; }
|
|
};
|
|
|
|
struct transparent_string_less
|
|
{
|
|
using is_transparent = void;
|
|
|
|
bool operator()(const std::string& lhs, const std::string_view& rhs) const { return lhs < rhs; }
|
|
bool operator()(const std::string& lhs, const std::string& rhs) const { return lhs < rhs; }
|
|
bool operator()(const std::string& lhs, const char* rhs) const { return lhs < rhs; }
|
|
bool operator()(const std::string_view& lhs, const std::string& rhs) const { return lhs < rhs; }
|
|
bool operator()(const char* lhs, const std::string& rhs) const { return lhs < rhs; }
|
|
};
|
|
} // namespace detail
|
|
|
|
template <typename ValueType>
|
|
using UnorderedStringMap =
|
|
std::unordered_map<std::string, ValueType, detail::transparent_string_hash, detail::transparent_string_equal>;
|
|
template <typename ValueType>
|
|
using UnorderedStringMultimap =
|
|
std::unordered_multimap<std::string, ValueType, detail::transparent_string_hash, detail::transparent_string_equal>;
|
|
using UnorderedStringSet =
|
|
std::unordered_set<std::string, detail::transparent_string_hash, detail::transparent_string_equal>;
|
|
using UnorderedStringMultiSet =
|
|
std::unordered_multiset<std::string, detail::transparent_string_hash, detail::transparent_string_equal>;
|
|
|
|
template <typename KeyType, typename ValueType>
|
|
__fi typename UnorderedStringMap<ValueType>::const_iterator
|
|
UnorderedStringMapFind(const UnorderedStringMap<ValueType>& map, const KeyType& key)
|
|
{
|
|
return map.find(key);
|
|
}
|
|
template <typename KeyType, typename ValueType>
|
|
__fi typename UnorderedStringMap<ValueType>::iterator
|
|
UnorderedStringMapFind(UnorderedStringMap<ValueType>& map, const KeyType& key)
|
|
{
|
|
return map.find(key);
|
|
}
|
|
template <typename KeyType, typename ValueType>
|
|
__fi typename UnorderedStringMultimap<ValueType>::const_iterator
|
|
UnorderedStringMultiMapFind(const UnorderedStringMultimap<ValueType>& map, const KeyType& key)
|
|
{
|
|
return map.find(key);
|
|
}
|
|
template <typename KeyType, typename ValueType>
|
|
__fi std::pair<typename UnorderedStringMultimap<ValueType>::const_iterator, typename UnorderedStringMultimap<ValueType>::const_iterator>
|
|
UnorderedStringMultiMapEqualRange(const UnorderedStringMultimap<ValueType>& map, const KeyType& key)
|
|
{
|
|
return map.equal_range(key);
|
|
}
|
|
template <typename KeyType, typename ValueType>
|
|
__fi typename UnorderedStringMultimap<ValueType>::iterator
|
|
UnorderedStringMultiMapFind(UnorderedStringMultimap<ValueType>& map, const KeyType& key)
|
|
{
|
|
return map.find(key);
|
|
}
|
|
template <typename KeyType, typename ValueType>
|
|
__fi std::pair<typename UnorderedStringMultimap<ValueType>::iterator, typename UnorderedStringMultimap<ValueType>::iterator>
|
|
UnorderedStringMultiMapEqualRange(UnorderedStringMultimap<ValueType>& map, const KeyType& key)
|
|
{
|
|
return map.equal_range(key);
|
|
}
|
|
|
|
template <typename ValueType>
|
|
using StringMap = std::map<std::string, ValueType, detail::transparent_string_less>;
|
|
template <typename ValueType>
|
|
using StringMultiMap = std::multimap<std::string, ValueType, detail::transparent_string_less>;
|
|
using StringSet = std::set<std::string, detail::transparent_string_less>;
|
|
using StringMultiSet = std::multiset<std::string, detail::transparent_string_less>;
|