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(dict_multi,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;
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 */
58 TRYCATCH(xbt_dict_get_ext(thislevel, thiskey, thislen, (void*)&nextlevel), mismatch_error);
60 /* make sure the dict of next level exists */
61 if (errcode == mismatch_error) {
62 nextlevel=xbt_dict_new();
63 VERB1("Create a dict (%p)",nextlevel);
64 xbt_dict_set_ext(thislevel, thiskey, thislen, nextlevel, &_free_dict);
68 xbt_dynar_get_cpy(keys, i, &thiskey);
69 xbt_dynar_get_cpy(lens, i, &thislen);
71 xbt_dict_set_ext(thislevel, thiskey, thislen, data, free_ctn);
76 /** \brief Insert \e data under all the keys contained in \e keys
78 * \arg head: the head of dict
79 * \arg keys: dynar of null-terminated strings containing all the keys
80 * \arg data: what to store in the structure
81 * \arg free_ctn: function to use to free the pushed content on need
84 xbt_multidict_set(xbt_dict_t mdict,
86 void *data, void_f_pvoid_t *free_ctn) {
88 xbt_dynar_t lens = xbt_dynar_new(sizeof(unsigned long int),NULL);
91 for (i = 0; i < xbt_dynar_length(keys); i++) {
92 char *thiskey = xbt_dynar_get_as(keys, i, char*);
93 unsigned long int thislen = (unsigned long int) strlen(thiskey);
94 DEBUG2("Push %ld as level %d length",thislen, i);
95 xbt_dynar_push(lens,&thislen);
98 errcode = xbt_multidict_set_ext(mdict, keys, lens, data, free_ctn);
99 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 /*OUT*/void **data) {
118 xbt_dict_t thislevel,nextlevel;
121 unsigned long int thislen;
123 int keys_len=xbt_dynar_length(keys);
125 xbt_assert(xbt_dynar_length(keys) == xbt_dynar_length(lens));
126 xbt_assert0(xbt_dynar_length(keys) >= 1, "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 ;
132 i++ , thislevel = nextlevel) {
134 xbt_dynar_get_cpy(keys, i, &thiskey);
135 xbt_dynar_get_cpy(lens, i, &thislen);
137 DEBUG6("multi_get: at level %d (%p), len=%ld, key=%p |%*s|",
138 i, thislevel, thislen, thiskey, (int)thislen,thiskey);
140 /* search the dict of next level: let mismatch raise if not found */
141 TRY(xbt_dict_get_ext(thislevel, thiskey, thislen, (void*)&nextlevel));
144 xbt_dynar_get_cpy(keys, i, &thiskey);
145 xbt_dynar_get_cpy(lens, i, &thislen);
147 return xbt_dict_get_ext(thislevel, thiskey, thislen, data);
151 xbt_multidict_get(xbt_dict_t mdict, xbt_dynar_t keys, /*OUT*/void **data) {
153 xbt_dynar_t lens = xbt_dynar_new(sizeof(unsigned long int),NULL);
156 for (i = 0; i < xbt_dynar_length(keys); i++) {
157 char *thiskey = xbt_dynar_get_as(keys, i, char*);
158 unsigned long int thislen = (unsigned long int) strlen(thiskey);
159 xbt_dynar_push(lens,&thislen);
162 errcode = xbt_multidict_get_ext(mdict, keys, lens, data),
163 xbt_dynar_free(&lens);
168 /** \brief Remove the entry under all the keys contained in \e keys, providing their sizes in \e lens.
170 * \arg mdict: the multi-dict
171 * \arg keys: dynar of (char *) containing all the keys
172 * \arg lens: length of each element of \e keys
173 * \arg data: what to store in the structure
174 * \arg free_ctn: function to use to free the pushed content on need
176 * Dynars are not modified during the operation.
178 * Removing a non-existant key is ok.
182 xbt_multidict_remove_ext(xbt_dict_t mdict, xbt_dynar_t keys, xbt_dynar_t lens) {
184 xbt_dict_t thislevel,nextlevel;
187 unsigned long int thislen;
189 int keys_len=xbt_dynar_length(keys);
191 xbt_assert(xbt_dynar_length(keys) == xbt_dynar_length(lens));
192 xbt_assert0(xbt_dynar_length(keys), "Can't remove a zero-long key set in a multidict");
194 for (i=0 , thislevel=mdict ;
196 i++ , thislevel = nextlevel) {
198 xbt_dynar_get_cpy(keys, i, &thiskey);
199 xbt_dynar_get_cpy(lens, i, &thislen);
201 /* search the dict of next level */
202 TRYCATCH(xbt_dict_get_ext(thislevel, thiskey, thislen, (void*)&nextlevel), mismatch_error);
204 /* If non-existant entry, nothing to do */
205 if (errcode == mismatch_error)
209 xbt_dynar_get_cpy(keys, i, &thiskey);
210 xbt_dynar_get_cpy(lens, i, &thislen);
212 return xbt_dict_remove_ext(thislevel, thiskey, thislen);
216 xbt_multidict_remove(xbt_dict_t mdict, xbt_dynar_t keys) {
219 xbt_dynar_t lens = xbt_dynar_new(sizeof(unsigned long int),NULL);
222 for (i = 0; i < xbt_dynar_length(keys); i++) {
223 char *thiskey = xbt_dynar_get_as(keys, i, char*);
224 unsigned long int thislen = strlen(thiskey);
225 xbt_dynar_push(lens,&thislen);
228 errcode = xbt_multidict_remove_ext(mdict, keys, lens);
229 xbt_dynar_free(&lens);