1 /* dict_multi - dictionnaries of dictionnaries of ... of data */
3 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "dict_private.h"
11 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_dict_multi, xbt_dict,
12 "Dictionaries of multiple keys");
14 static void _free_dict(void *d)
16 VERB1("free dict %p", d);
17 xbt_dict_free((xbt_dict_t *) & d);
20 /** \brief Insert \e data under all the keys contained in \e keys, providing their sizes in \e lens.
22 * \arg mdict: the multi-dict
23 * \arg keys: dynar of (char *) containing all the keys
24 * \arg lens: length of each element of \e keys
25 * \arg data: what to store in the structure
26 * \arg free_ctn: function to use to free the pushed content on need
28 * Dynars are not modified during the operation.
32 xbt_multidict_set_ext(xbt_dict_t mdict,
33 xbt_dynar_t keys, xbt_dynar_t lens,
34 void *data, void_f_pvoid_t free_ctn)
37 xbt_dict_t thislevel, nextlevel = NULL;
40 unsigned long int thislen;
42 int keys_len = xbt_dynar_length(keys);
44 xbt_assert(xbt_dynar_length(keys) == xbt_dynar_length(lens));
45 xbt_assert0(keys_len, "Can't set a zero-long key set in a multidict");
47 DEBUG2("xbt_multidict_set(%p,%d)", mdict, keys_len);
49 for (i = 0, thislevel = mdict; i < keys_len - 1; i++, thislevel = nextlevel) {
51 xbt_dynar_get_cpy(keys, i, &thiskey);
52 xbt_dynar_get_cpy(lens, i, &thislen);
54 DEBUG5("multi_set: at level %d, len=%ld, key=%p |%*s|", i, thislen,
55 thiskey, (int) thislen, thiskey);
57 /* search the dict of next level */
58 nextlevel = xbt_dict_get_or_null_ext(thislevel, thiskey, thislen);
59 if (nextlevel == NULL) {
60 /* make sure the dict of next level exists */
61 nextlevel = xbt_dict_new();
62 VERB1("Create a dict (%p)", nextlevel);
63 xbt_dict_set_ext(thislevel, thiskey, thislen, nextlevel, &_free_dict);
67 xbt_dynar_get_cpy(keys, i, &thiskey);
68 xbt_dynar_get_cpy(lens, i, &thislen);
70 xbt_dict_set_ext(thislevel, thiskey, thislen, data, free_ctn);
73 /** \brief Insert \e data under all the keys contained in \e keys
75 * \arg head: the head of dict
76 * \arg keys: dynar of null-terminated strings containing all the keys
77 * \arg data: what to store in the structure
78 * \arg free_ctn: function to use to free the pushed content on need
81 xbt_multidict_set(xbt_dict_t mdict,
82 xbt_dynar_t keys, void *data, void_f_pvoid_t free_ctn)
84 xbt_dynar_t lens = xbt_dynar_new(sizeof(unsigned long int), NULL);
88 for (i = 0; i < xbt_dynar_length(keys); i++) {
89 char *thiskey = xbt_dynar_get_as(keys, i, char *);
90 unsigned long int thislen = (unsigned long int) strlen(thiskey);
91 DEBUG2("Push %ld as level %lu length", thislen, i);
92 xbt_dynar_push(lens, &thislen);
96 xbt_multidict_set_ext(mdict, keys, lens, data, free_ctn);
98 xbt_dynar_free(&lens);
104 /** \brief Insert \e data under all the keys contained in \e keys, providing their sizes in \e lens.
106 * \arg mdict: the multi-dict
107 * \arg keys: dynar of (char *) containing all the keys
108 * \arg lens: length of each element of \e keys
109 * \arg data: where to put what was found in structure
110 * \arg free_ctn: function to use to free the pushed content on need
112 * Dynars are not modified during the operation.
114 void *xbt_multidict_get_ext(xbt_dict_t mdict,
115 xbt_dynar_t keys, xbt_dynar_t lens)
117 xbt_dict_t thislevel, nextlevel;
120 unsigned long int thislen;
122 int keys_len = xbt_dynar_length(keys);
124 xbt_assert(xbt_dynar_length(keys) == xbt_dynar_length(lens));
125 xbt_assert0(xbt_dynar_length(keys) >= 1,
126 "Can't get a zero-long key set in a multidict");
128 DEBUG2("xbt_multidict_get(%p, %ld)", mdict, xbt_dynar_length(keys));
130 for (i = 0, thislevel = mdict; i < keys_len - 1; i++, thislevel = nextlevel) {
132 xbt_dynar_get_cpy(keys, i, &thiskey);
133 xbt_dynar_get_cpy(lens, i, &thislen);
135 DEBUG6("multi_get: at level %d (%p), len=%ld, key=%p |%*s|",
136 i, thislevel, thislen, thiskey, (int) thislen, thiskey);
138 /* search the dict of next level: let mismatch raise if not found */
139 nextlevel = xbt_dict_get_ext(thislevel, thiskey, thislen);
142 xbt_dynar_get_cpy(keys, i, &thiskey);
143 xbt_dynar_get_cpy(lens, i, &thislen);
145 return xbt_dict_get_ext(thislevel, thiskey, thislen);
148 void *xbt_multidict_get(xbt_dict_t mdict, xbt_dynar_t keys)
150 xbt_dynar_t lens = xbt_dynar_new(sizeof(unsigned long int), NULL);
154 for (i = 0; i < xbt_dynar_length(keys); i++) {
155 char *thiskey = xbt_dynar_get_as(keys, i, char *);
156 unsigned long int thislen = (unsigned long int) strlen(thiskey);
157 xbt_dynar_push(lens, &thislen);
160 res = xbt_multidict_get_ext(mdict, keys, lens), xbt_dynar_free(&lens);
165 /** \brief Remove the entry under all the keys contained in \e keys, providing their sizes in \e lens.
167 * \arg mdict: the multi-dict
168 * \arg keys: dynar of (char *) containing all the keys
169 * \arg lens: length of each element of \e keys
170 * \arg data: what to store in the structure
171 * \arg free_ctn: function to use to free the pushed content on need
173 * Dynars are not modified during the operation.
175 * Removing a non-existant key is ok.
179 xbt_multidict_remove_ext(xbt_dict_t mdict, xbt_dynar_t keys, xbt_dynar_t lens)
181 xbt_dict_t thislevel, nextlevel = NULL;
185 unsigned long int thislen;
187 int keys_len = xbt_dynar_length(keys);
189 xbt_assert(xbt_dynar_length(keys) == xbt_dynar_length(lens));
190 xbt_assert0(xbt_dynar_length(keys),
191 "Can't remove a zero-long key set in a multidict");
193 for (i = 0, thislevel = mdict; i < keys_len - 1; i++, thislevel = nextlevel) {
195 xbt_dynar_get_cpy(keys, i, &thiskey);
196 xbt_dynar_get_cpy(lens, i, &thislen);
198 /* search the dict of next level */
200 nextlevel = xbt_dict_get_ext(thislevel, thiskey, thislen);
203 /* If non-existant entry, nothing to do */
204 if (e.category == arg_error)
211 xbt_dynar_get_cpy(keys, i, &thiskey);
212 xbt_dynar_get_cpy(lens, i, &thislen);
214 xbt_dict_remove_ext(thislevel, thiskey, thislen);
217 void xbt_multidict_remove(xbt_dict_t mdict, xbt_dynar_t keys)
221 xbt_dynar_t lens = xbt_dynar_new(sizeof(unsigned long int), NULL);
224 for (i = 0; i < xbt_dynar_length(keys); i++) {
225 char *thiskey = xbt_dynar_get_as(keys, i, char *);
226 unsigned long int thislen = strlen(thiskey);
227 xbt_dynar_push(lens, &thislen);
231 xbt_multidict_remove_ext(mdict, keys, lens);
233 xbt_dynar_free(&lens);