Patrick Pelissier
72ba5cbd3d
give the proper oplist to the array definition; otherwise some oplists are defined in default.
477 lines
33 KiB
C
477 lines
33 KiB
C
/*
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* M*LIB - DICTIONARY Module
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*
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* Copyright (c) 2017, Patrick Pelissier
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* All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* + Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* + Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __M_DICT_H
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#define __M_DICT_H
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#include "m-list.h"
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#include "m-array.h"
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#include "m-string.h"
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#include "m-tuple.h"
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/* Define a dictionnary with the key key_type to the value value_type.
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USAGE: DICT_DEF2(name, key_type, key_oplist, value_type, value_oplist)
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*/
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#define DICT_DEF2(name, key_type, key_oplist, value_type, value_oplist) \
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TUPLE_DEF2(M_C(dict_pair_, name), (key, key_type, key_oplist), (value, value_type, value_oplist)) \
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LIST_DEF(M_C(dict_pair_, name), M_C3(dict_pair_,name,_t), TUPLE_OPLIST(M_C(dict_pair_, name), key_oplist, value_oplist)) \
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ARRAY_DEF(M_C(list_dict_pair_,name), M_C3(list_dict_pair_,name,_t), LIST_OPLIST(M_C(dict_pair_, name), TUPLE_OPLIST(M_C(dict_pair_, name), key_oplist, value_oplist))) \
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\
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typedef struct M_C3(dict_, name, _s) { \
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size_t used, lower_limit, upper_limit; \
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M_C3(array_list_dict_pair_,name,_t) table; \
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} M_C3(dict_, name, _t)[1]; \
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\
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typedef struct M_C3(dict_it_, name, _s) { \
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M_C3(array_it_list_dict_pair_, name, _t) array_it; \
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M_C3(list_it_dict_pair_, name, _t) list_it; \
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} M_C3(dict_it_, name, _t)[1]; \
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\
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static inline void \
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M_C3(dict_, name, _init)(M_C3(dict_,name,_t) map) \
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{ \
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map->used = 0; \
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M_C3(array_list_dict_pair_,name,_init)(map->table); \
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M_C3(array_list_dict_pair_,name,_resize)(map->table, DICTI_INITIAL_SIZE); \
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map->lower_limit = DICTI_LOWER_BOUND(DICTI_INITIAL_SIZE); \
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map->upper_limit = DICTI_UPPER_BOUND(DICTI_INITIAL_SIZE); \
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} \
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\
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static inline void \
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M_C3(dict_, name, _init_set)(M_C3(dict_,name,_t) map, \
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const M_C3(dict_,name,_t) org) \
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{ \
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DICTI_CONTRACT(name, org); \
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map->used = org->used; \
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map->lower_limit = org->lower_limit; \
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map->upper_limit = org->upper_limit; \
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M_C3(array_list_dict_pair_,name,_init_set)(map->table, org->table); \
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} \
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\
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static inline void \
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M_C3(dict_, name, _set)(M_C3(dict_,name,_t) map, \
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const M_C3(dict_,name,_t) org) \
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{ \
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DICTI_CONTRACT(name, map); \
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DICTI_CONTRACT(name, org); \
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map->used = org->used; \
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map->lower_limit = org->lower_limit; \
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map->upper_limit = org->upper_limit; \
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M_C3(array_list_dict_pair_,name,_set)(map->table, org->table); \
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} \
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\
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static inline void \
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M_C3(dict_,name,_clear)(M_C3(dict_,name,_t) map) \
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{ \
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M_C3(array_list_dict_pair_,name,_clear)(map->table); \
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} \
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\
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static inline void \
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M_C3(dict_, name, _init_move)(M_C3(dict_,name,_t) map, \
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M_C3(dict_,name,_t) org) \
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{ \
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DICTI_CONTRACT(name, org); \
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map->used = org->used; \
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map->lower_limit = org->lower_limit; \
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map->upper_limit = org->upper_limit; \
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M_C3(array_list_dict_pair_,name,_init_move)(map->table, org->table); \
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} \
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\
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static inline void \
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M_C3(dict_, name, _move)(M_C3(dict_,name,_t) map, \
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M_C3(dict_,name,_t) org) \
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{ \
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DICTI_CONTRACT(name, map); \
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DICTI_CONTRACT(name, org); \
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assert (map != org); \
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M_C3(dict_,name,_clear)(map); \
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M_C3(dict_,name,_init_move)(map, org); \
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} \
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\
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static inline void \
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M_C3(dict_,name,_clean)(M_C3(dict_,name,_t) map) \
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{ \
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M_C3(array_list_dict_pair_,name,_clean)(map->table); \
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M_C3(array_list_dict_pair_,name,_resize)(map->table, DICTI_INITIAL_SIZE); \
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map->lower_limit = DICTI_LOWER_BOUND(DICTI_INITIAL_SIZE); \
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map->upper_limit = DICTI_UPPER_BOUND(DICTI_INITIAL_SIZE); \
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map->used = 0; \
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} \
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\
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static inline size_t \
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M_C3(dict_,name,_size)(const M_C3(dict_,name,_t) map) \
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{ \
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DICTI_CONTRACT(name, map); \
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return map->used; \
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} \
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\
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static inline value_type * \
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M_C3(dict_,name,_get)(const M_C3(dict_,name,_t) map, const key_type key) \
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{ \
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DICTI_CONTRACT(name, map); \
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size_t hash = M_GET_HASH key_oplist (key); \
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hash = hash & (M_C3(array_list_dict_pair_,name,_size)(map->table) - 1); \
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const M_C3(list_dict_pair_,name,_t) *list_ptr = \
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M_C3(array_list_dict_pair_,name,_cget)(map->table, hash); \
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M_C3(list_it_dict_pair_,name,_t) it; \
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for(M_C3(list_dict_pair_,name,_it)(it, *list_ptr); \
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!M_C3(list_dict_pair_,name,_end_p)(it); \
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M_C3(list_dict_pair_,name,_next)(it)) { \
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M_C3(dict_pair_,name,_t) *ref = M_C3(list_dict_pair_,name,_ref)(it); \
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if (M_GET_EQUAL key_oplist ((*ref)->key, key)) \
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return &(*ref)->value; \
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} \
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return NULL; \
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} \
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\
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static inline void \
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M_C3(dicti_,name,_resize_up)(M_C3(dict_,name,_t) map) \
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{ \
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size_t old_size = M_C3(array_list_dict_pair_,name,_size)(map->table); \
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size_t new_size = old_size * 2; \
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/* Resize the dictionnary */ \
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M_C3(array_list_dict_pair_,name,_resize)(map->table, new_size); \
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/* Move the items to the new upper part */ \
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for(size_t i = 0; i < old_size; i++) { \
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M_C3(list_dict_pair_,name,_t) *list = \
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M_C3(array_list_dict_pair_,name,_get)(map->table, i); \
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if (M_C3(list_dict_pair_,name,_empty_p)(*list)) \
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continue; \
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M_C3(list_it_dict_pair_,name,_t) it; \
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M_C3(list_dict_pair_,name,_it)(it, *list); \
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while (!M_C3(list_dict_pair_,name,_end_p)(it)) { \
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M_C3(dict_pair_,name,_ptr) pair = *M_C3(list_dict_pair_,name,_ref)(it); \
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size_t hash = M_GET_HASH key_oplist (pair->key); \
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if ((hash & (new_size-1)) >= old_size) { \
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assert( (hash & (new_size-1)) == (i + old_size)); \
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M_C3(list_dict_pair_,name,_t) *new_list = \
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M_C3(array_list_dict_pair_,name,_get)(map->table, i + old_size); \
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M_C3(list_dict_pair_,name,_move_back)(*new_list, *list, it); \
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} else { \
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M_C3(list_dict_pair_,name,_next)(it); \
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} \
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} \
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} \
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map->upper_limit = DICTI_UPPER_BOUND(new_size); \
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map->lower_limit = DICTI_LOWER_BOUND(new_size); \
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} \
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\
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static inline void \
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M_C3(dicti_,name,_resize_down)(M_C3(dict_,name,_t) map) \
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{ \
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assert (map != NULL); \
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size_t old_size = M_C3(array_list_dict_pair_,name,_size)(map->table); \
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assert ((old_size % 2) == 0); \
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size_t new_size = old_size / 2; \
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assert (new_size >= DICTI_INITIAL_SIZE); \
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/* Move all items to the lower part of the dictionnary */ \
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for(size_t i = new_size; i < old_size; i++) { \
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M_C3(list_dict_pair_,name,_t) *list = \
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M_C3(array_list_dict_pair_,name,_get)(map->table, i); \
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if (M_C3(list_dict_pair_,name,_empty_p)(*list)) \
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continue; \
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M_C3(list_it_dict_pair_,name,_t) it; \
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M_C3(list_dict_pair_,name,_it)(it, *list); \
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while (!M_C3(list_dict_pair_,name,_end_p)(it)) { \
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M_IF_DEBUG(M_C3(dict_pair_,name,_ptr) pair = *M_C3(list_dict_pair_,name,_ref)(it);) \
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M_IF_DEBUG(size_t hash = M_GET_HASH key_oplist (pair->key);) \
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assert ((hash & (old_size -1)) == i); \
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assert ((hash & (new_size -1)) == i - new_size); \
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M_C3(list_dict_pair_,name,_t) *new_list = \
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M_C3(array_list_dict_pair_,name,_get)(map->table, i - new_size); \
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M_C3(list_dict_pair_,name,_move_back)(*new_list, *list, it); \
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} \
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} \
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/* Resize the dictionary */ \
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M_C3(array_list_dict_pair_,name,_resize)(map->table, new_size); \
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map->upper_limit = DICTI_UPPER_BOUND(new_size); \
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map->lower_limit = DICTI_LOWER_BOUND(new_size); \
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} \
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\
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static inline void \
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M_C3(dict_,name,_set_at)(M_C3(dict_,name,_t) map, \
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const key_type key, const value_type value) \
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{ \
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DICTI_CONTRACT(name, map); \
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\
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size_t hash = M_GET_HASH key_oplist(key); \
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hash = hash & (M_C3(array_list_dict_pair_,name,_size)(map->table) - 1); \
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M_C3(list_dict_pair_,name,_t) *list_ptr = \
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M_C3(array_list_dict_pair_,name,_get)(map->table, hash); \
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M_C3(list_it_dict_pair_,name,_t) it; \
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for(M_C3(list_dict_pair_,name,_it)(it, *list_ptr); \
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!M_C3(list_dict_pair_,name,_end_p)(it); \
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M_C3(list_dict_pair_,name,_next)(it)) { \
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M_C3(dict_pair_,name,_ptr) ref = *M_C3(list_dict_pair_,name,_ref)(it); \
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if (M_GET_EQUAL key_oplist(ref->key, key)) { \
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M_GET_SET value_oplist(ref->value, value); \
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return; \
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} \
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} \
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M_C3(dict_pair_,name,_init_set2)(*M_C3(list_dict_pair_,name,_push_raw)(*list_ptr), \
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key, value); \
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map->used ++; \
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if (map->used > map->upper_limit) \
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M_C3(dicti_,name,_resize_up)(map); \
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} \
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\
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static inline void \
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M_C3(dict_,name,_remove)(M_C3(dict_,name,_t) map, const key_type key) \
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{ \
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DICTI_CONTRACT(name, map); \
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\
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size_t hash = M_GET_HASH key_oplist(key); \
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hash = hash & (M_C3(array_list_dict_pair_,name,_size)(map->table) - 1); \
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M_C3(list_dict_pair_,name,_t) *list_ptr = \
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M_C3(array_list_dict_pair_,name,_get)(map->table, hash); \
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M_C3(list_it_dict_pair_,name,_t) it; \
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for(M_C3(list_dict_pair_,name,_it)(it, *list_ptr); \
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!M_C3(list_dict_pair_,name,_end_p)(it); \
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M_C3(list_dict_pair_,name,_next)(it)) { \
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M_C3(dict_pair_,name,_ptr) ref = *M_C3(list_dict_pair_,name,_ref)(it); \
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if (M_GET_EQUAL key_oplist(ref->key, key)) { \
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M_C3(list_dict_pair_,name,_remove)(*list_ptr, it); \
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map->used --; \
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break; \
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} \
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} \
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if (map->used < map->lower_limit) \
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M_C3(dicti_, name, _resize_down)(map); \
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} \
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\
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static inline void \
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M_C3(dict_, name, _it)(M_C3(dict_it_, name,_t) it, \
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M_C3(dict_, name,_t) d) \
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{ \
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M_C3(array_list_dict_pair_, name, _it)(it->array_it, d->table); \
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M_C3(list_dict_pair_,name,_t) *ref = \
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M_C3(array_list_dict_pair_, name, _ref)(it->array_it); \
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M_C3(list_dict_pair_, name, _it)(it->list_it, *ref); \
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while (M_C3(list_dict_pair_, name, _end_p)(it->list_it)) { \
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M_C3(array_list_dict_pair_, name, _next)(it->array_it); \
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if (M_C3(array_list_dict_pair_, name, _end_p)(it->array_it))break; \
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ref = M_C3(array_list_dict_pair_, name, _ref)(it->array_it); \
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M_C3(list_dict_pair_, name, _it)(it->list_it, *ref); \
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} \
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} \
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\
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static inline void \
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M_C3(dict_, name, _it_set)(M_C3(dict_it_, name,_t) it, \
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const M_C3(dict_it_, name,_t) ref) \
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{ \
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assert (it != NULL && ref != NULL); \
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M_C3(array_list_dict_pair_, name, _it_set)(it->array_it, \
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ref->array_it); \
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M_C3(list_dict_pair_, name, _it_set)(it->list_it, ref->list_it); \
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} \
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\
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static inline bool \
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M_C3(dict_, name, _end_p)(const M_C3(dict_it_, name,_t) it) \
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{ \
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assert (it != NULL); \
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return M_C3(list_dict_pair_, name, _end_p)(it->list_it); \
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} \
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\
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static inline void \
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M_C3(dict_, name, _next)(M_C3(dict_it_, name,_t) it) \
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{ \
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assert(it != NULL); \
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M_C3(list_dict_pair_, name, _next)(it->list_it); \
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M_C3(list_dict_pair_,name,_t) *ref; \
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while (M_C3(list_dict_pair_, name, _end_p)(it->list_it)) { \
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M_C3(array_list_dict_pair_, name, _next)(it->array_it); \
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if (M_C3(array_list_dict_pair_, name, _end_p)(it->array_it))break; \
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ref = M_C3(array_list_dict_pair_, name, _ref)(it->array_it); \
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M_C3(list_dict_pair_, name, _it)(it->list_it, *ref); \
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} \
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} \
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\
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static inline bool \
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M_C3(dict_, name, _last_p)(const M_C3(dict_it_, name,_t) it) \
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{ \
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assert (it != NULL); \
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M_C3(dict_it_, name,_t) it2; \
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M_C3(dict_, name,_it_set)(it2, it); \
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M_C3(dict_, name, _next)(it2); \
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return M_C3(dict_, name, _end_p)(it2); \
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} \
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\
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static inline M_C3(dict_pair_,name,_t) * \
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M_C3(dict_, name, _ref)(M_C3(dict_it_, name,_t) it) \
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{ \
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assert(it != NULL); \
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/* NOTE: partially unsafe if the user modify the 'key'. */ \
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return M_C3(list_dict_pair_, name, _ref)(it->list_it); \
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} \
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\
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static inline const M_C3(dict_pair_,name,_t) * \
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M_C3(dict_, name, _cref)(const M_C3(dict_it_, name,_t) it) \
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{ \
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assert(it != NULL); \
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return M_C3(list_dict_pair_, name, _cref)(it->list_it); \
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} \
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\
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M_IF_METHOD(EQUAL, value_oplist)( \
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static inline bool \
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M_C3(dict_, name, _equal_p)(M_C3(dict_, name,_t) dict1, \
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M_C3(dict_, name,_t) dict2) \
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{ \
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assert (dict1 != NULL && dict2 != NULL); \
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/* NOTE: Key type has mandatory equal operator */ \
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return dict1->used == dict2-> used && \
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M_C3(array_list_dict_pair_, name, _equal_p)(dict1->table, \
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dict2->table); \
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} \
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, /* no value equal */ ) \
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\
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M_IF_METHOD_BOTH(GET_STR, key_oplist, value_oplist)( \
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static inline void \
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M_C3(dict_, name, _get_str)(string_t str, \
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M_C3(dict_, name,_t) dict, \
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const bool append) \
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{ \
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assert (str != NULL && dict != NULL); \
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DICTI_CONTRACT(name, dict); \
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(append ? string_cat_str : string_set_str) (str, "{"); \
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M_C3(dict_it_, name, _t) it; \
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for (M_C3(dict_, name, _it)(it, dict) ; \
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!M_C3(dict_, name, _end_p)(it); \
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M_C3(dict_, name, _next)(it)){ \
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const M_C3(dict_pair_,name,_t) *item = \
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M_C3(dict_, name, _cref)(it); \
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M_GET_GET_STR key_oplist (str, (*item)->key, true); \
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string_push_back (str, ':'); \
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M_GET_GET_STR value_oplist (str, (*item)->value, true); \
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if (!M_C3(dict_, name, _last_p)(it)) \
|
|
string_push_back (str, ','); \
|
|
} \
|
|
string_push_back (str, '}'); \
|
|
} \
|
|
, /* no GET_STR */ ) \
|
|
\
|
|
M_IF_METHOD_BOTH(OUT_STR, key_oplist, value_oplist)( \
|
|
static inline void \
|
|
M_C3(dict_, name, _out_str)(FILE *file, \
|
|
M_C3(dict_, name,_t) dict) \
|
|
{ \
|
|
assert (file != NULL && dict != NULL); \
|
|
DICTI_CONTRACT(name, dict); \
|
|
fputc ('{', file); \
|
|
M_C3(dict_it_, name, _t) it; \
|
|
for (M_C3(dict_, name, _it)(it, dict) ; \
|
|
!M_C3(dict_, name, _end_p)(it); \
|
|
M_C3(dict_, name, _next)(it)){ \
|
|
const M_C3(dict_pair_,name,_t) *item = \
|
|
M_C3(dict_, name, _cref)(it); \
|
|
M_GET_OUT_STR key_oplist (file, (*item)->key); \
|
|
fputc (':', file); \
|
|
M_GET_OUT_STR value_oplist (file, (*item)->value); \
|
|
if (!M_C3(dict_, name, _last_p)(it)) \
|
|
fputc (',', file); \
|
|
} \
|
|
fputc ('}', file); \
|
|
} \
|
|
, /* no OUT_STR */ ) \
|
|
\
|
|
M_IF_METHOD_BOTH(IN_STR, key_oplist, value_oplist)( \
|
|
static inline bool \
|
|
M_C3(dict_, name, _in_str)(M_C3(dict_, name,_t) dict, FILE *file) \
|
|
{ \
|
|
assert (file != NULL && dict != NULL); \
|
|
DICTI_CONTRACT(name, dict); \
|
|
M_C3(dict_, name, _clean)(dict); \
|
|
char c = fgetc(file); \
|
|
if (c != '{') return false; \
|
|
c = fgetc(file); \
|
|
if (c == '}') return true; \
|
|
ungetc(c, file); \
|
|
key_type key; \
|
|
value_type value; \
|
|
M_GET_INIT key_oplist (key); \
|
|
M_GET_INIT value_oplist (value); \
|
|
do { \
|
|
bool b = M_GET_IN_STR key_oplist (key, file); \
|
|
c = fgetc(file); \
|
|
if (!b) { break; } \
|
|
if (c != ':') { c = 0; break; } \
|
|
b = M_GET_IN_STR value_oplist (value, file); \
|
|
if (!b) { c = 0; break; } \
|
|
M_C3(dict_, name, _set_at)(dict, key, value); \
|
|
c = fgetc(file); \
|
|
} while (c == ',' && !feof(file) && !ferror(file)); \
|
|
M_GET_CLEAR key_oplist (key); \
|
|
M_GET_CLEAR value_oplist (value); \
|
|
return c == '}'; \
|
|
} \
|
|
, /* no IN_STR */ ) \
|
|
\
|
|
|
|
/* Define the oplist of a dictionnary.
|
|
USAGE: DICT_OPLIST(name[, oplist of the key type, oplist of the value type]) */
|
|
#define DICT_OPLIST(...) \
|
|
M_IF_NARGS_EQ1(__VA_ARGS__) \
|
|
(DICTI_OPLIST(__VA_ARGS__, M_DEFAULT_OPLIST, M_DEFAULT_OPLIST ), \
|
|
DICTI_OPLIST(__VA_ARGS__ ))
|
|
|
|
|
|
/********************************** INTERNAL ************************************/
|
|
|
|
/* Define the oplist of a dictionnary */
|
|
#define DICTI_OPLIST(type, key_oplist, value_oplist) \
|
|
(INIT(M_C3(dict_, type, _init)), \
|
|
INIT_SET(M_C3(dict_, type, _init_set)), \
|
|
SET(M_C3(dict_, type, _set)), \
|
|
CLEAR(M_C3(dict_, type, _clear)), \
|
|
INIT_MOVE(M_C3(dict_, type, _init_move)), \
|
|
MOVE(M_C3(dict_, type, _move)), \
|
|
TYPE(M_C3(dict_, type, _t)), \
|
|
SUBTYPE(M_C3(dict_pair_,type,_t)), \
|
|
IT_TYPE(M_C3(dict_it_,type,_t)), \
|
|
IT_FIRST(M_C3(dict_,type,_it)), \
|
|
IT_SET(M_C3(dict_, type, _it_set)), \
|
|
IT_END_P(M_C3(dict_,type,_end_p)), \
|
|
IT_LAST_P(M_C3(dict_,type,_last_p)), \
|
|
IT_NEXT(M_C3(dict_,type,_next)), \
|
|
IT_REF(M_C3(dict_,type,_ref)), \
|
|
IT_CREF(M_C3(dict_,type,_cref)) \
|
|
,OPLIST(PAIR_OPLIST(key_oplist, value_oplist)) \
|
|
,M_IF_METHOD_BOTH(GET_STR, key_oplist, value_oplist)(GET_STR(M_C3(array_, type, _get_str)),) \
|
|
,M_IF_METHOD_BOTH(OUT_STR, key_oplist, value_oplist)(OUT_STR(M_C3(array_, type, _out_str)),) \
|
|
,M_IF_METHOD_BOTH(IN_STR, key_oplist, value_oplist)(IN_STR(M_C3(array_, type, _in_str)),) \
|
|
,M_IF_METHOD(EQUAL, value_oplist)(EQUAL(M_C3(dict_, type, _equal_p)),) \
|
|
,KEY_OPLIST(key_oplist) \
|
|
,VALUE_OPLIST(value_oplist) \
|
|
)
|
|
|
|
#define DICTI_LOWER_BOUND(s) ((s) <= DICTI_INITIAL_SIZE ? 0 : (s) * 1 / 4)
|
|
#define DICTI_UPPER_BOUND(s) ((s) * 2 / 3)
|
|
#define DICTI_INITIAL_SIZE 16
|
|
|
|
#define DICTI_CONTRACT(name, map) do { \
|
|
assert(map->used <= map->upper_limit); \
|
|
assert(M_POWEROF2_P(M_C3(array_list_dict_pair_,name,_size)(map->table))); \
|
|
} while (0)
|
|
|
|
#endif
|