137 lines
2.7 KiB
C
137 lines
2.7 KiB
C
/*
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* $Id: map.h 116 2008-03-03 11:15:37Z baconevi $
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*
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* {License}
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*/
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#ifndef _ASE_CMN_MAP_H_
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#define _ASE_CMN_MAP_H_
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#include <ase/cmn/types.h>
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#include <ase/cmn/macros.h>
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typedef struct ase_map_t ase_map_t;
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typedef struct ase_pair_t ase_pair_t;
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struct ase_pair_t
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{
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struct
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{
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ase_char_t* ptr;
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ase_size_t len;
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} key;
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void* val;
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/* used internally */
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ase_pair_t* next;
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};
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struct ase_map_t
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{
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/* map owner. passed to freeval and sameval as the first argument */
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void* owner;
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ase_size_t size;
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ase_size_t capa;
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unsigned int factor;
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ase_size_t threshold;
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ase_pair_t** buck;
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void (*freeval) (void* owner,void* val);
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void (*sameval) (void* owner,void* val);
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/* the mmgr pointed at by mmgr should be valid
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* while the map is alive as the contents are
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* not replicated */
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ase_mmgr_t* mmgr;
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/* list of free pairs */
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/*ase_pair_t* fp;*/
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};
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#define ASE_PAIR_KEYPTR(p) ((p)->key.ptr)
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#define ASE_PAIR_KEYLEN(p) ((p)->key.len)
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#define ASE_PAIR_VAL(p) ((p)->val)
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#define ASE_PAIR_LNK(p) ((p)->next)
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Creates a hashed map with a dynamic array bucket and a list of values linked
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*
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* @param owner [in]
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* @param capa [in]
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* @param factor [in]
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* @param freeval [in]
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* @param sameval [in]
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* @param mmgr [in]
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*/
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ase_map_t* ase_map_open (
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void* owner, ase_size_t capa, unsigned int factor,
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void(*freeval)(void*,void*), void(*sameval)(void*,void*),
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ase_mmgr_t* mmgr);
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/**
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* Destroys a hashed map
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*/
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void ase_map_close (ase_map_t* map);
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void ase_map_clear (ase_map_t* map);
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ase_size_t ase_map_getsize (ase_map_t* map);
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ase_pair_t* ase_map_get (
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ase_map_t* map, const ase_char_t* keyptr, ase_size_t keylen);
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ase_pair_t* ase_map_put (
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ase_map_t* map, const ase_char_t* keyptr, ase_size_t keylen,
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void* val);
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int ase_map_putx (
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ase_map_t* map, const ase_char_t* keyptr, ase_size_t keylen,
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void* val, ase_pair_t** px);
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ase_pair_t* ase_map_set (
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ase_map_t* map, const ase_char_t* keyptr, ase_size_t keylen,
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void* val);
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ase_pair_t* ase_map_getpair (
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ase_map_t* map, const ase_char_t* keyptr, ase_size_t keylen,
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void** val);
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ase_pair_t* ase_map_setpair (
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ase_map_t* map, ase_pair_t* pair, void* val);
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int ase_map_remove (
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ase_map_t* map, const ase_char_t* keyptr, ase_size_t keylen);
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int ase_map_walk (ase_map_t* map,
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int (*walker)(ase_pair_t*,void*), void* arg);
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/**
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* Gets the pointer to the first pair in the map.
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* @param map [in]
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* @param buckno [out]
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*/
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ase_pair_t* ase_map_getfirstpair (
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ase_map_t* map, ase_size_t* buckno);
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/**
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* Gets the pointer to the next pair in the map.
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* @param map [in]
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* @param pair [in]
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* @param buckno [in out]
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*/
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ase_pair_t* ase_map_getnextpair (
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ase_map_t* map, ase_pair_t* pair, ase_size_t* buckno);
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#ifdef __cplusplus
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}
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#endif
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#endif
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