84 lines
1.7 KiB
C++
84 lines
1.7 KiB
C++
#include <map>
|
|
#include <cstdint>
|
|
#include <cstddef>
|
|
|
|
typedef std::map<int64_t, void*> Map;
|
|
|
|
struct MapIter {
|
|
Map* map;
|
|
Map::iterator itr;
|
|
};
|
|
|
|
extern "C" {
|
|
|
|
void* hmap_create() {
|
|
return reinterpret_cast<void*> (new Map());
|
|
}
|
|
|
|
void* hmap_get(void* map, int64_t k) {
|
|
if (!map) { return NULL; }
|
|
Map* m = reinterpret_cast<Map*> (map);
|
|
Map::iterator pos = m->find(k);
|
|
if (pos == m->end()) {
|
|
return NULL;
|
|
} else {
|
|
return pos->second;
|
|
}
|
|
}
|
|
|
|
void hmap_put(void* map, int64_t k, void* v) {
|
|
if (!map) { return; }
|
|
Map* m = reinterpret_cast<Map*> (map);
|
|
if (m->count(k) > 0) {
|
|
m->erase(k);
|
|
}
|
|
m->insert(std::pair<int64_t, void*>(k, v));
|
|
}
|
|
|
|
void hmap_del(void* map, int64_t k) {
|
|
if (!map) { return; }
|
|
Map* m = reinterpret_cast<Map*> (map);
|
|
m->erase(k);
|
|
}
|
|
|
|
void hmap_clear(void* map) {
|
|
if (!map) { return; }
|
|
Map* m = reinterpret_cast<Map*> (map);
|
|
m->clear();
|
|
}
|
|
|
|
size_t hmap_len(void* map) {
|
|
if (!map) { return 0; }
|
|
Map* m = reinterpret_cast<Map*> (map);
|
|
return m->size();
|
|
}
|
|
|
|
void* hmap_iter(void* map) {
|
|
if (!map) { return nullptr; }
|
|
auto iter = new MapIter();
|
|
Map* m = reinterpret_cast<Map*> (map);
|
|
iter->map = m;
|
|
return reinterpret_cast<void*> (iter);
|
|
}
|
|
|
|
void* hmap_begin(void* iter) {
|
|
if (!iter) { return nullptr; }
|
|
MapIter* i = reinterpret_cast<MapIter*> (iter);
|
|
i->itr = i->map->begin();
|
|
if (i->itr == i->map->end()) {
|
|
return NULL;
|
|
}
|
|
return i->itr->second;
|
|
}
|
|
|
|
void* hmap_next(void* iter) {
|
|
if (!iter) { return nullptr; }
|
|
MapIter* i = reinterpret_cast<MapIter*> (iter);
|
|
i->itr++;
|
|
if (i->itr == i->map->end()) {
|
|
return NULL;
|
|
}
|
|
return i->itr->second;
|
|
}
|
|
|
|
} // extern "C"
|