mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-10 07:06:34 +00:00
69 lines
2.8 KiB
C++
69 lines
2.8 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope 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/>.
|
|
*/
|
|
#pragma once
|
|
#include <vapours/common.hpp>
|
|
#include <vapours/assert.hpp>
|
|
#include <vapours/util/util_fixed_tree.hpp>
|
|
|
|
namespace ams::util {
|
|
|
|
template<typename Key, typename Value, typename Compare = std::less<Key>, size_t BufferAlignment = 8>
|
|
class FixedMap {
|
|
private:
|
|
using KeyValuePair = std::pair<Key const, Value>;
|
|
|
|
struct LessTypeForMap {
|
|
constexpr ALWAYS_INLINE bool operator()(const KeyValuePair &lhs, const KeyValuePair &rhs) const {
|
|
return Compare{}(lhs.first, rhs.first);
|
|
}
|
|
};
|
|
|
|
using TreeType = ::ams::util::FixedTree<KeyValuePair, LessTypeForMap, KeyValuePair, BufferAlignment>;
|
|
|
|
using iterator = typename TreeType::iterator;
|
|
using const_iterator = typename TreeType::const_iterator;
|
|
public:
|
|
static constexpr size_t GetRequiredMemorySize(size_t num_elements) {
|
|
return TreeType::GetRequiredMemorySize(num_elements);
|
|
}
|
|
private:
|
|
TreeType m_tree;
|
|
public:
|
|
FixedMap() : m_tree() { /* ... */ }
|
|
|
|
void Initialize(size_t num_elements, void *buffer, size_t buffer_size) {
|
|
return m_tree.Initialize(num_elements, buffer, buffer_size);
|
|
}
|
|
|
|
ALWAYS_INLINE iterator begin() { return m_tree.begin(); }
|
|
ALWAYS_INLINE const_iterator begin() const { return m_tree.begin(); }
|
|
|
|
ALWAYS_INLINE iterator end() { return m_tree.end(); }
|
|
ALWAYS_INLINE const_iterator end() const { return m_tree.end(); }
|
|
|
|
ALWAYS_INLINE bool erase(const Key &key) { const KeyValuePair pair(key, Value{}); return m_tree.erase(pair); }
|
|
|
|
ALWAYS_INLINE iterator find(const Key &key) { const KeyValuePair pair(key, Value{}); return m_tree.find(pair); }
|
|
ALWAYS_INLINE const_iterator find(const Key &key) const { const KeyValuePair pair(key, Value{}); return m_tree.find(pair); }
|
|
|
|
ALWAYS_INLINE std::pair<iterator, bool> insert(const KeyValuePair &pair) { return m_tree.insert(pair); }
|
|
|
|
ALWAYS_INLINE size_t size() const { return m_tree.size(); }
|
|
|
|
ALWAYS_INLINE void clear() { return m_tree.clear(); }
|
|
};
|
|
|
|
}
|