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Add hash map implementation
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Abdelrahman Said
2026-09-24 00:52:34 +01:00
parent 68640dc5e2
commit 180292289d
14 changed files with 811 additions and 8 deletions
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src/base/hash/map/map.h
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// vim:fileencoding=utf-8:foldmethod=marker
#ifndef MAP_H
#define MAP_H
#include "../table/table.h"
#include "../../../common/misc/misc_utils.h"
#include "../../../common/platform/platform.h"
#ifdef WP_PLATFORM_CPP
BEGIN_C_LINKAGE
#endif // !WP_PLATFORM_CPP
typedef WpHashTable WpHashMap;
#ifdef WP_PLATFORM_CPP
#define wpHashMap(KEY_TYPE, VALUE_TYPE, U8_STREAM_ENCODER, KEY_EQ_TEST, CAPACITY) \
(WpHashMap{ \
WP_HASH_TABLE_DEFAULT_HASHER, \
U8_STREAM_ENCODER, \
KEY_EQ_TEST, \
wpArrayWithCapacity(KEY_TYPE, wpMiscUtilsU64RoundUpPow2(CAPACITY), WP_ARRAY_INIT_NONE), \
wpArrayWithCapacity(VALUE_TYPE, wpMiscUtilsU64RoundUpPow2(CAPACITY), WP_ARRAY_INIT_NONE), \
wpArrayWithCapacity(WpHashBucket, wpMiscUtilsU64RoundUpPow2(CAPACITY), WP_ARRAY_INIT_FILLED), \
WP_HASH_TABLE_MAGIC, \
wpMiscUtilsU64RoundUpPow2(CAPACITY) - 1, \
0.0f, \
true, \
})
#define wpHashMapCustomHasher(KEY_TYPE, VALUE_TYPE, HASHER, U8_STREAM_ENCODER, KEY_EQ_TEST, \
CAPACITY) \
(WpHashMap{ \
HASHER, \
U8_STREAM_ENCODER, \
KEY_EQ_TEST, \
wpArrayWithCapacity(KEY_TYPE, wpMiscUtilsU64RoundUpPow2(CAPACITY), WP_ARRAY_INIT_NONE), \
wpArrayWithCapacity(VALUE_TYPE, wpMiscUtilsU64RoundUpPow2(CAPACITY), WP_ARRAY_INIT_NONE), \
wpArrayWithCapacity(WpHashBucket, wpMiscUtilsU64RoundUpPow2(CAPACITY), WP_ARRAY_INIT_FILLED), \
WP_HASH_TABLE_MAGIC, \
wpMiscUtilsU64RoundUpPow2(CAPACITY) - 1, \
0.0f, \
true, \
})
#else
#define wpHashMap(KEY_TYPE, VALUE_TYPE, U8_STREAM_ENCODER, KEY_EQ_TEST, CAPACITY) \
((WpHashMap){ \
.hasher = WP_HASH_TABLE_DEFAULT_HASHER, \
.encoder = U8_STREAM_ENCODER, \
.key_eq = KEY_EQ_TEST, \
.keys = wpArrayWithCapacity(KEY_TYPE, wpMiscUtilsU64RoundUpPow2(CAPACITY), \
WP_ARRAY_INIT_NONE), \
.values = wpArrayWithCapacity(VALUE_TYPE, wpMiscUtilsU64RoundUpPow2(CAPACITY), \
WP_ARRAY_INIT_NONE), \
.buckets = wpArrayWithCapacity(WpHashBucket, wpMiscUtilsU64RoundUpPow2(CAPACITY), \
WP_ARRAY_INIT_FILLED), \
.magic = WP_HASH_TABLE_MAGIC, \
.bucket_mask = wpMiscUtilsU64RoundUpPow2(CAPACITY) - 1, \
.has_values = true, \
})
#define wpHashMapCustomHasher(KEY_TYPE, VALUE_TYPE, HASHER, U8_STREAM_ENCODER, KEY_EQ_TEST, \
CAPACITY) \
((WpHashMap){ \
.hasher = HASHER, \
.encoder = U8_STREAM_ENCODER, \
.key_eq = KEY_EQ_TEST, \
.keys = wpArrayWithCapacity(KEY_TYPE, wpMiscUtilsU64RoundUpPow2(CAPACITY), \
WP_ARRAY_INIT_NONE), \
.values = wpArrayWithCapacity(VALUE_TYPE, wpMiscUtilsU64RoundUpPow2(CAPACITY), \
WP_ARRAY_INIT_NONE), \
.buckets = wpArrayWithCapacity(WpHashBucket, wpMiscUtilsU64RoundUpPow2(CAPACITY), \
WP_ARRAY_INIT_FILLED), \
.magic = WP_HASH_TABLE_MAGIC, \
.bucket_mask = wpMiscUtilsU64RoundUpPow2(CAPACITY) - 1, \
.has_values = true, \
})
#endif
#define wpHashMapAlloc(KEY_TYPE, VALUE_TYPE, ALLOCATOR_PTR, U8_STREAM_ENCODER, KEY_EQ_TEST, \
CAPACITY) \
hashMapAlloc(ALLOCATOR_PTR, U8_STREAM_ENCODER, KEY_EQ_TEST, CAPACITY, sizeof(KEY_TYPE), \
sizeof(VALUE_TYPE))
#define wpHashMapCustomHasherAlloc(KEY_TYPE, VALUE_TYPE, ALLOCATOR_PTR, HASHER, U8_STREAM_ENCODER, \
KEY_EQ_TEST, CAPACITY) \
hashMapAllocWithCustomHasher(ALLOCATOR_PTR, HASHER, U8_STREAM_ENCODER, KEY_EQ_TEST, CAPACITY, \
sizeof(KEY_TYPE), sizeof(VALUE_TYPE))
#define wpHashMapKeys(KEY_TYPE, MAP_PTR) ((KEY_TYPE *)hashTableKeys(MAP_PTR, sizeof(KEY_TYPE)))
#define wpHashMapValues(VALUE_TYPE, MAP_PTR) \
((VALUE_TYPE *)hashTableValues(MAP_PTR, sizeof(VALUE_TYPE)))
#define wpHashMapCapacity(MAP_PTR) hashTableCapacity(MAP_PTR)
#define wpHashMapCount(MAP_PTR) hashTableCount(MAP_PTR)
#define wpHashMapKeySize(MAP_PTR) hashTableKeySize(MAP_PTR)
#define wpHashMapValueSize(MAP_PTR) hashTableValueSize(MAP_PTR)
#define wpHashMapFind(KEY_TYPE, MAP_PTR, KEY_PTR) hashMapFind(MAP_PTR, KEY_PTR, sizeof(KEY_TYPE))
#define wpHashMapInsertCapped(KEY_TYPE, VALUE_TYPE, MAP_PTR, KEY_PTR, VALUE_PTR) \
hashMapInsertCapped(MAP_PTR, KEY_PTR, VALUE_PTR, sizeof(KEY_TYPE), sizeof(VALUE_TYPE))
#define wpHashMapInsertOrUpdateCapped(KEY_TYPE, VALUE_TYPE, MAP_PTR, KEY_PTR, VALUE_PTR) \
hashMapInsertOrUpdateCapped(MAP_PTR, KEY_PTR, VALUE_PTR, sizeof(KEY_TYPE), sizeof(VALUE_TYPE))
#define wpHashMapUpdate(KEY_TYPE, VALUE_TYPE, MAP_PTR, KEY_PTR, VALUE_PTR) \
hashMapUpdate(MAP_PTR, KEY_PTR, VALUE_PTR, sizeof(KEY_TYPE), sizeof(VALUE_TYPE))
#define wpHashMapInsertAlloc(KEY_TYPE, VALUE_TYPE, ALLOCATOR_PTR, MAP_PTR, KEY_PTR, VALUE_PTR) \
hashMapInsertAlloc(ALLOCATOR_PTR, MAP_PTR, KEY_PTR, VALUE_PTR, sizeof(KEY_TYPE), \
sizeof(VALUE_TYPE))
#define wpHashMapInsertOrUpdateAlloc(KEY_TYPE, VALUE_TYPE, ALLOCATOR_PTR, MAP_PTR, KEY_PTR, \
VALUE_PTR) \
hashMapInsertOrUpdateAlloc(ALLOCATOR_PTR, MAP_PTR, KEY_PTR, VALUE_PTR, sizeof(KEY_TYPE), \
sizeof(VALUE_TYPE))
#define wpHashMapRemove(KEY_TYPE, VALUE_TYPE, MAP_PTR, KEY_PTR) \
hashMapRemove(MAP_PTR, KEY_PTR, sizeof(KEY_TYPE), sizeof(VALUE_TYPE))
#define wpHashMapClear(KEY_TYPE, VALUE_TYPE, MAP_PTR) \
hashTableClear(MAP_PTR, sizeof(KEY_TYPE), sizeof(VALUE_TYPE))
#define wpHashMapDealloc(KEY_TYPE, VALUE_TYPE, ALLOCATOR_PTR, MAP_PTR) \
hashTableDealloc(ALLOCATOR_PTR, MAP_PTR, sizeof(KEY_TYPE), sizeof(VALUE_TYPE))
WpHashMap hashMapAlloc(const WpAllocator *allocator, WpU8StreamEncoder encoder,
WpKeyEqualTest key_eq, u64 capacity, u64 key_size, u64 value_size);
WpHashMap hashMapAllocWithCustomHasher(const WpAllocator *allocator, WpHasher hasher,
WpU8StreamEncoder encoder, WpKeyEqualTest key_eq,
u64 capacity, u64 key_size, u64 value_size);
WpHashLookupResult hashMapFind(WpHashMap *map, void *key, u64 key_size);
void hashMapUpdate(WpHashMap *map, void *key, void *value, u64 key_size, u64 value_size);
void hashMapInsertCapped(WpHashMap *map, void *key, void *value, u64 key_size, u64 value_size);
void hashMapInsertOrUpdateCapped(WpHashMap *map, void *key, void *value, u64 key_size,
u64 value_size);
void hashMapInsertAlloc(const WpAllocator *allocator, WpHashMap *map, void *key,
void *value, u64 key_size, u64 value_size);
void hashMapInsertOrUpdateAlloc(const WpAllocator *allocator, WpHashMap *map, void *key,
void *value, u64 key_size, u64 value_size);
void hashMapRemove(WpHashMap *map, void *key, u64 key_size, u64 value_size);
#ifdef WP_PLATFORM_CPP
END_C_LINKAGE
#endif // !WP_PLATFORM_CPP
#endif // !MAP_H