1 /* dict_multi - dictionnaries of dictionnaries of ... of data */
3 /* Copyright (c) 2003-2005 Martin Quinson. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #include "dict_private.h"
10 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_dict_multi, xbt_dict,
11 "Dictionaries of multiple keys");
13 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; i < keys_len - 1; i++, thislevel = nextlevel) {
50 xbt_dynar_get_cpy(keys, i, &thiskey);
51 xbt_dynar_get_cpy(lens, i, &thislen);
53 DEBUG5("multi_set: at level %d, len=%ld, key=%p |%*s|", i, thislen,
54 thiskey, (int) thislen, thiskey);
56 /* search the dict of next level */
57 nextlevel = xbt_dict_get_or_null_ext(thislevel, thiskey, thislen);
58 if (nextlevel == NULL) {
59 /* make sure the dict of next level exists */
60 nextlevel = xbt_dict_new();
61 VERB1("Create a dict (%p)", nextlevel);
62 xbt_dict_set_ext(thislevel, thiskey, thislen, nextlevel, &_free_dict);
66 xbt_dynar_get_cpy(keys, i, &thiskey);
67 xbt_dynar_get_cpy(lens, i, &thislen);
69 xbt_dict_set_ext(thislevel, thiskey, thislen, data, free_ctn);
72 /** \brief Insert \e data under all the keys contained in \e keys
74 * \arg head: the head of dict
75 * \arg keys: dynar of null-terminated strings containing all the keys
76 * \arg data: what to store in the structure
77 * \arg free_ctn: function to use to free the pushed content on need
80 xbt_multidict_set(xbt_dict_t mdict,
81 xbt_dynar_t keys, void *data, void_f_pvoid_t free_ctn)
83 xbt_dynar_t lens = xbt_dynar_new(sizeof(unsigned long int), NULL);
87 for (i = 0; i < xbt_dynar_length(keys); i++) {
88 char *thiskey = xbt_dynar_get_as(keys, i, char *);
89 unsigned long int thislen = (unsigned long int) strlen(thiskey);
90 DEBUG2("Push %ld as level %lu length", thislen, i);
91 xbt_dynar_push(lens, &thislen);
95 xbt_multidict_set_ext(mdict, keys, lens, data, free_ctn);
97 xbt_dynar_free(&lens);
103 /** \brief Insert \e data under all the keys contained in \e keys, providing their sizes in \e lens.
105 * \arg mdict: the multi-dict
106 * \arg keys: dynar of (char *) containing all the keys
107 * \arg lens: length of each element of \e keys
108 * \arg data: where to put what was found in structure
109 * \arg free_ctn: function to use to free the pushed content on need
111 * Dynars are not modified during the operation.
113 void *xbt_multidict_get_ext(xbt_dict_t mdict,
114 xbt_dynar_t keys, xbt_dynar_t lens)
116 xbt_dict_t thislevel, nextlevel;
119 unsigned long int thislen;
121 int keys_len = xbt_dynar_length(keys);
123 xbt_assert(xbt_dynar_length(keys) == xbt_dynar_length(lens));
124 xbt_assert0(xbt_dynar_length(keys) >= 1,
125 "Can't get a zero-long key set in a multidict");
127 DEBUG2("xbt_multidict_get(%p, %ld)", mdict, xbt_dynar_length(keys));
129 for (i = 0, thislevel = mdict; i < keys_len - 1; i++, thislevel = nextlevel) {
131 xbt_dynar_get_cpy(keys, i, &thiskey);
132 xbt_dynar_get_cpy(lens, i, &thislen);
134 DEBUG6("multi_get: at level %d (%p), len=%ld, key=%p |%*s|",
135 i, thislevel, thislen, thiskey, (int) thislen, thiskey);
137 /* search the dict of next level: let mismatch raise if not found */
138 nextlevel = xbt_dict_get_ext(thislevel, thiskey, thislen);
141 xbt_dynar_get_cpy(keys, i, &thiskey);
142 xbt_dynar_get_cpy(lens, i, &thislen);
144 return xbt_dict_get_ext(thislevel, thiskey, thislen);
147 void *xbt_multidict_get(xbt_dict_t mdict, xbt_dynar_t keys)
149 xbt_dynar_t lens = xbt_dynar_new(sizeof(unsigned long int), NULL);
153 for (i = 0; i < xbt_dynar_length(keys); i++) {
154 char *thiskey = xbt_dynar_get_as(keys, i, char *);
155 unsigned long int thislen = (unsigned long int) strlen(thiskey);
156 xbt_dynar_push(lens, &thislen);
159 res = xbt_multidict_get_ext(mdict, keys, lens), xbt_dynar_free(&lens);
164 /** \brief Remove the entry under all the keys contained in \e keys, providing their sizes in \e lens.
166 * \arg mdict: the multi-dict
167 * \arg keys: dynar of (char *) containing all the keys
168 * \arg lens: length of each element of \e keys
169 * \arg data: what to store in the structure
170 * \arg free_ctn: function to use to free the pushed content on need
172 * Dynars are not modified during the operation.
174 * Removing a non-existant key is ok.
178 xbt_multidict_remove_ext(xbt_dict_t mdict, xbt_dynar_t keys, xbt_dynar_t lens)
180 xbt_dict_t thislevel, nextlevel = NULL;
184 unsigned long int thislen;
186 int keys_len = xbt_dynar_length(keys);
188 xbt_assert(xbt_dynar_length(keys) == xbt_dynar_length(lens));
189 xbt_assert0(xbt_dynar_length(keys),
190 "Can't remove a zero-long key set in a multidict");
192 for (i = 0, thislevel = mdict; i < keys_len - 1; i++, thislevel = nextlevel) {
194 xbt_dynar_get_cpy(keys, i, &thiskey);
195 xbt_dynar_get_cpy(lens, i, &thislen);
197 /* search the dict of next level */
199 nextlevel = xbt_dict_get_ext(thislevel, thiskey, thislen);
202 /* If non-existant entry, nothing to do */
203 if (e.category == arg_error)
210 xbt_dynar_get_cpy(keys, i, &thiskey);
211 xbt_dynar_get_cpy(lens, i, &thislen);
213 xbt_dict_remove_ext(thislevel, thiskey, thislen);
216 void xbt_multidict_remove(xbt_dict_t mdict, xbt_dynar_t keys)
220 xbt_dynar_t lens = xbt_dynar_new(sizeof(unsigned long int), NULL);
223 for (i = 0; i < xbt_dynar_length(keys); i++) {
224 char *thiskey = xbt_dynar_get_as(keys, i, char *);
225 unsigned long int thislen = strlen(thiskey);
226 xbt_dynar_push(lens, &thislen);
230 xbt_multidict_remove_ext(mdict, keys, lens);
232 xbt_dynar_free(&lens);