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94 lines
1.5 KiB
C++
94 lines
1.5 KiB
C++
// Copyright 2019, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief Hashmap for integer values header.
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* @author Jakob Bornecrantz <jakob@collabora.com>
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* @ingroup aux_util
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*/
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#include "util/u_hashmap.h"
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#include <unordered_map>
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#include <vector>
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/*
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*
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* Private structs and defines.
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*
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*/
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struct u_hashmap_int
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{
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std::unordered_map<uint64_t, void *> map = {};
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};
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/*
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*
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* "Exported" functions.
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*
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*/
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extern "C" int
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u_hashmap_int_create(struct u_hashmap_int **out_hashmap_int)
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{
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auto hs = new u_hashmap_int;
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*out_hashmap_int = hs;
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return 0;
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}
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extern "C" int
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u_hashmap_int_destroy(struct u_hashmap_int **hmi)
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{
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delete *hmi;
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*hmi = NULL;
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return 0;
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}
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int
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u_hashmap_int_find(struct u_hashmap_int *hmi, uint64_t key, void **out_item)
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{
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auto search = hmi->map.find(key);
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if (search != hmi->map.end()) {
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*out_item = search->second;
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return 0;
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}
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return -1;
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}
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extern "C" int
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u_hashmap_int_insert(struct u_hashmap_int *hmi, uint64_t key, void *value)
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{
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hmi->map[key] = value;
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return 0;
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}
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extern "C" int
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u_hashmap_int_erase(struct u_hashmap_int *hmi, uint64_t key)
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{
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hmi->map.erase(key);
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return 0;
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}
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extern "C" void
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u_hashmap_int_clear_and_call_for_each(struct u_hashmap_int *hmi,
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u_hashmap_int_callback cb,
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void *priv)
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{
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std::vector<void *> tmp;
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tmp.reserve(hmi->map.size());
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for (auto &n : hmi->map) {
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tmp.push_back(n.second);
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}
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hmi->map.clear();
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for (auto n : tmp) {
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cb(n, priv);
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}
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}
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