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) {
35 xbt_dict_t thislevel,nextlevel=NULL;
38 unsigned long int thislen;
40 int keys_len=xbt_dynar_length(keys);
42 xbt_assert(xbt_dynar_length(keys) == xbt_dynar_length(lens));
43 xbt_assert0(keys_len, "Can't set a zero-long key set in a multidict");
45 DEBUG2("xbt_multidict_set(%p,%d)", mdict, keys_len);
47 for (i=0 , thislevel = mdict ;
49 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, 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,
82 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.
114 xbt_multidict_get_ext(xbt_dict_t mdict,
115 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, "Can't get a zero-long key set in a multidict");
126 DEBUG2("xbt_multidict_get(%p, %ld)", mdict, xbt_dynar_length(keys));
128 for (i=0 , thislevel=mdict ;
130 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);
149 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),
161 xbt_dynar_free(&lens);
166 /** \brief Remove the entry under all the keys contained in \e keys, providing their sizes in \e lens.
168 * \arg mdict: the multi-dict
169 * \arg keys: dynar of (char *) containing all the keys
170 * \arg lens: length of each element of \e keys
171 * \arg data: what to store in the structure
172 * \arg free_ctn: function to use to free the pushed content on need
174 * Dynars are not modified during the operation.
176 * Removing a non-existant key is ok.
180 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), "Can't remove a zero-long key set in a multidict");
192 for (i=0 , thislevel=mdict ;
194 i++ , thislevel = nextlevel) {
196 xbt_dynar_get_cpy(keys, i, &thiskey);
197 xbt_dynar_get_cpy(lens, i, &thislen);
199 /* search the dict of next level */
201 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);
218 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);