Fledasty/Include/Fledasty/Core/HashTable.h

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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.
*
* -----------------------------------------------------------------------------
* File: HashTable.h
* Description:
* This file contains the HashTable structure and the functions for modifying it.
* It includes functions to get, Insert, Remove, check if has key and check if
* empty.
*
* Author: Mineplay
* -----------------------------------------------------------------------------
*/
#ifndef FLEDASTY_HASH_TABLE
#define FLEDASTY_HASH_TABLE
#include <stddef.h>
#include <stdbool.h>
#include "../Utils/Error.h"
#include "DynamicArray.h"
typedef struct {
void *key, *value;
} FledastyHashTablePair;
typedef struct {
size_t size, capacity;
size_t key_byte_size, value_byte_size;
FledastyDynamicArray *Table;
size_t (*hash_function)(void *key);
} FledastyHashTable;
FledastyError fledasty_hash_table_initialize(FledastyHashTable *new_hash_table, size_t key_byte_size, size_t value_byte_size, size_t (*hash_function)(void *key));
FledastyError fledasty_hash_table_destroy(FledastyHashTable *current_hash_table);
FledastyError fledasty_hash_table_insert(FledastyHashTable *current_hash_table, void *key, void *value);
void *fledasty_hash_table_get(const FledastyHashTable *current_hash_table, void *key);
FledastyError fledasty_hash_table_remove(FledastyHashTable *current_hash_table, void *key);
FledastyError fledasty_hash_table_clear(FledastyHashTable *current_hash_table);
bool fledasty_hash_table_has_key(const FledastyHashTable *current_hash_table, void *key);
static inline bool fledasty_hash_table_is_empty(const FledastyHashTable *current_hash_table) { return current_hash_table->size == 0; }
#endif