/*
** hash.h - Hash class
**
** See Copyright Notice in mruby.h
*/
#ifndef MRUBY_HASH_H
#define MRUBY_HASH_H
#if defined(__cplusplus)
extern "C" {
#endif
struct RHash {
MRUBY_OBJECT_HEADER;
struct kh_iv *iv;
struct kh_ht *ht;
};
#define mrb_hash_ptr(v) ((struct RHash*)((v).value.p))
#define mrb_hash_value(p) mrb_obj_value((void*)(p))
mrb_value mrb_hash_new_capa(mrb_state*, int);
mrb_value mrb_hash_new(mrb_state *mrb);
void mrb_hash_set(mrb_state *mrb, mrb_value hash, mrb_value key, mrb_value val);
mrb_value mrb_hash_get(mrb_state *mrb, mrb_value hash, mrb_value key);
mrb_value mrb_hash_fetch(mrb_state *mrb, mrb_value hash, mrb_value key, mrb_value def);
mrb_value mrb_hash_delete_key(mrb_state *mrb, mrb_value hash, mrb_value key);
mrb_value mrb_hash_keys(mrb_state *mrb, mrb_value hash);
mrb_value mrb_hash(mrb_state *mrb, mrb_value obj);
mrb_value mrb_check_hash_type(mrb_state *mrb, mrb_value self);
/* RHASH_TBL allocates st_table if not available. */
#define RHASH(obj) ((struct RHash*)((obj).value.p))
#define RHASH_TBL(h) (RHASH(h)->ht)
#define RHASH_IFNONE(h) mrb_iv_get(mrb, (h), mrb_intern(mrb, "ifnone"))
#define RHASH_PROCDEFAULT(h) RHASH_IFNONE(h)
struct kh_ht * mrb_hash_tbl(mrb_state *mrb, mrb_value hash);
#define MRB_HASH_PROC_DEFAULT 256
#define MRB_RHASH_PROCDEFAULT_P(h) (RHASH(h)->flags & MRB_HASH_PROC_DEFAULT)
mrb_value mrb_obj_is_proc(mrb_value proc);
/* GC functions */
void mrb_gc_mark_ht(mrb_state*, struct RHash*);
size_t mrb_gc_mark_ht_size(mrb_state*, struct RHash*);
void mrb_gc_free_ht(mrb_state*, struct RHash*);
#if defined(__cplusplus)
} /* extern "C" { */
#endif
#endif /* MRUBY_HASH_H */