3 /* dict_multi - dictionnaries of dictionnaries of ... of data */
5 /* Copyright (c) 2003-2005 Martin Quinson. All rights reserved. */
7 /* This program is free software; you can redistribute it and/or modify it
8 * under the terms of the license (GNU LGPL) which comes with this package. */
10 #include "dict_private.h"
12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_dict_multi,xbt_dict, "Dictionaries of multiple keys");
14 static void _free_dict(void*d) {
15 VERB1("free dict %p",d);
16 xbt_dict_free((xbt_dict_t*)&d);
19 /** \brief Insert \e data under all the keys contained in \e keys, providing their sizes in \e lens.
21 * \arg mdict: the multi-dict
22 * \arg keys: dynar of (char *) containing all the keys
23 * \arg lens: length of each element of \e keys
24 * \arg data: what to store in the structure
25 * \arg free_ctn: function to use to free the pushed content on need
27 * Dynars are not modified during the operation.
31 xbt_multidict_set_ext(xbt_dict_t mdict,
32 xbt_dynar_t keys, xbt_dynar_t lens,
33 void *data, void_f_pvoid_t free_ctn) {
36 xbt_dict_t thislevel,nextlevel=NULL;
39 unsigned long int thislen;
41 int keys_len=xbt_dynar_length(keys);
43 xbt_assert(xbt_dynar_length(keys) == xbt_dynar_length(lens));
44 xbt_assert0(keys_len, "Can't set a zero-long key set in a multidict");
46 DEBUG2("xbt_multidict_set(%p,%d)", mdict, keys_len);
48 for (i=0 , thislevel = mdict ;
50 i++ , thislevel = nextlevel) {
52 xbt_dynar_get_cpy(keys, i, &thiskey);
53 xbt_dynar_get_cpy(lens, i, &thislen);
55 DEBUG5("multi_set: at level %d, len=%ld, key=%p |%*s|", i, thislen, thiskey, (int)thislen,thiskey);
57 /* search the dict of next level */
59 nextlevel = xbt_dict_get_ext(thislevel, thiskey, thislen);
61 if (e.category != not_found_error)
64 /* make sure the dict of next level exists */
66 nextlevel=xbt_dict_new();
67 VERB1("Create a dict (%p)",nextlevel);
68 xbt_dict_set_ext(thislevel, thiskey, thislen, nextlevel, &_free_dict);
72 xbt_dynar_get_cpy(keys, i, &thiskey);
73 xbt_dynar_get_cpy(lens, i, &thislen);
75 xbt_dict_set_ext(thislevel, thiskey, thislen, data, free_ctn);
78 /** \brief Insert \e data under all the keys contained in \e keys
80 * \arg head: the head of dict
81 * \arg keys: dynar of null-terminated strings containing all the keys
82 * \arg data: what to store in the structure
83 * \arg free_ctn: function to use to free the pushed content on need
86 xbt_multidict_set(xbt_dict_t mdict,
88 void *data, void_f_pvoid_t free_ctn) {
89 xbt_dynar_t lens = xbt_dynar_new(sizeof(unsigned long int),NULL);
93 for (i = 0; i < xbt_dynar_length(keys); i++) {
94 char *thiskey = xbt_dynar_get_as(keys, i, char*);
95 unsigned long int thislen = (unsigned long int) strlen(thiskey);
96 DEBUG2("Push %ld as level %lu length",thislen, i);
97 xbt_dynar_push(lens,&thislen);
101 xbt_multidict_set_ext(mdict, keys, lens, data, free_ctn);
103 xbt_dynar_free(&lens);
109 /** \brief Insert \e data under all the keys contained in \e keys, providing their sizes in \e lens.
111 * \arg mdict: the multi-dict
112 * \arg keys: dynar of (char *) containing all the keys
113 * \arg lens: length of each element of \e keys
114 * \arg data: where to put what was found in structure
115 * \arg free_ctn: function to use to free the pushed content on need
117 * Dynars are not modified during the operation.
120 xbt_multidict_get_ext(xbt_dict_t mdict,
121 xbt_dynar_t keys, xbt_dynar_t lens) {
122 xbt_dict_t thislevel,nextlevel;
125 unsigned long int thislen;
127 int keys_len=xbt_dynar_length(keys);
129 xbt_assert(xbt_dynar_length(keys) == xbt_dynar_length(lens));
130 xbt_assert0(xbt_dynar_length(keys) >= 1, "Can't get a zero-long key set in a multidict");
132 DEBUG2("xbt_multidict_get(%p, %ld)", mdict, xbt_dynar_length(keys));
134 for (i=0 , thislevel=mdict ;
136 i++ , thislevel = nextlevel) {
138 xbt_dynar_get_cpy(keys, i, &thiskey);
139 xbt_dynar_get_cpy(lens, i, &thislen);
141 DEBUG6("multi_get: at level %d (%p), len=%ld, key=%p |%*s|",
142 i, thislevel, thislen, thiskey, (int)thislen,thiskey);
144 /* search the dict of next level: let mismatch raise if not found */
145 nextlevel = xbt_dict_get_ext(thislevel, thiskey, thislen);
148 xbt_dynar_get_cpy(keys, i, &thiskey);
149 xbt_dynar_get_cpy(lens, i, &thislen);
151 return xbt_dict_get_ext(thislevel, thiskey, thislen);
155 xbt_multidict_get(xbt_dict_t mdict, xbt_dynar_t keys) {
156 xbt_dynar_t lens = xbt_dynar_new(sizeof(unsigned long int),NULL);
160 for (i = 0; i < xbt_dynar_length(keys); i++) {
161 char *thiskey = xbt_dynar_get_as(keys, i, char*);
162 unsigned long int thislen = (unsigned long int) strlen(thiskey);
163 xbt_dynar_push(lens,&thislen);
166 res = xbt_multidict_get_ext(mdict, keys, lens),
167 xbt_dynar_free(&lens);
172 /** \brief Remove the entry under all the keys contained in \e keys, providing their sizes in \e lens.
174 * \arg mdict: the multi-dict
175 * \arg keys: dynar of (char *) containing all the keys
176 * \arg lens: length of each element of \e keys
177 * \arg data: what to store in the structure
178 * \arg free_ctn: function to use to free the pushed content on need
180 * Dynars are not modified during the operation.
182 * Removing a non-existant key is ok.
186 xbt_multidict_remove_ext(xbt_dict_t mdict, xbt_dynar_t keys, xbt_dynar_t lens) {
187 xbt_dict_t thislevel,nextlevel=NULL;
191 unsigned long int thislen;
193 int keys_len=xbt_dynar_length(keys);
195 xbt_assert(xbt_dynar_length(keys) == xbt_dynar_length(lens));
196 xbt_assert0(xbt_dynar_length(keys), "Can't remove a zero-long key set in a multidict");
198 for (i=0 , thislevel=mdict ;
200 i++ , thislevel = nextlevel) {
202 xbt_dynar_get_cpy(keys, i, &thiskey);
203 xbt_dynar_get_cpy(lens, i, &thislen);
205 /* search the dict of next level */
207 nextlevel = xbt_dict_get_ext(thislevel, thiskey, thislen);
209 /* If non-existant entry, nothing to do */
210 if (e.category == arg_error)
217 xbt_dynar_get_cpy(keys, i, &thiskey);
218 xbt_dynar_get_cpy(lens, i, &thislen);
220 xbt_dict_remove_ext(thislevel, thiskey, thislen);
224 xbt_multidict_remove(xbt_dict_t mdict, xbt_dynar_t keys) {
227 xbt_dynar_t lens = xbt_dynar_new(sizeof(unsigned long int),NULL);
230 for (i = 0; i < xbt_dynar_length(keys); i++) {
231 char *thiskey = xbt_dynar_get_as(keys, i, char*);
232 unsigned long int thislen = strlen(thiskey);
233 xbt_dynar_push(lens,&thislen);
237 xbt_multidict_remove_ext(mdict, keys, lens);
239 xbt_dynar_free(&lens);