1 /* lib - a generic library, variation over dictionary */
3 /* Copyright (c) 2011, 2013-2015. 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 <xbt/asserts.h>
10 #include <xbt/sysdep.h>
14 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_lib, xbt, "A dict with keys of type (name, level)");
16 xbt_lib_t xbt_lib_new(void)
18 xbt_lib_t lib = xbt_new(s_xbt_lib_t, 1);
19 lib->dict = xbt_dict_new_homogeneous(xbt_free_f);
25 void xbt_lib_free(xbt_lib_t *plib)
27 xbt_lib_t lib = *plib;
29 xbt_dict_cursor_t cursor;
32 xbt_dict_foreach (lib->dict, cursor, key, elts) {
34 for (i = 0 ; i < lib->levels ; i++)
35 if (elts[i] && lib->free_f[i])
36 lib->free_f[i](elts[i]);
38 xbt_dict_free(&lib->dict);
39 xbt_free(lib->free_f);
45 int xbt_lib_add_level(xbt_lib_t lib, void_f_pvoid_t free_f)
47 XBT_DEBUG("xbt_lib_add_level");
48 xbt_assert(xbt_dict_is_empty(lib->dict), "Lib is not empty, cannot add a level");
49 lib->free_f = xbt_realloc(lib->free_f, sizeof(void_f_pvoid_t) * (lib->levels + 1));
50 lib->free_f[lib->levels] = free_f;
54 void xbt_lib_set(xbt_lib_t lib, const char *key, int level, void *obj)
56 XBT_DEBUG("xbt_lib_set key '%s:%d' with object %p", key, level, obj);
57 xbt_assert(level >= 0);
58 void **elts = xbt_dict_get_or_null(lib->dict, key);
60 elts = xbt_new0(void *, lib->levels);
61 xbt_dict_set(lib->dict, key, elts, NULL);
64 XBT_DEBUG("Replace %p by %p element under key '%s:%d'", elts[level], obj, key, level);
65 if (lib->free_f[level])
66 lib->free_f[level](elts[level]);
71 void xbt_lib_unset(xbt_lib_t lib, const char *key, int level, int invoke_callback)
73 xbt_assert(level >= 0);
74 void **elts = xbt_dict_get_or_null(lib->dict, key);
76 XBT_WARN("no key %s", key);
80 void *obj = elts[level];
82 XBT_WARN("no key %s at level %d", key, level);
86 XBT_DEBUG("Remove %p of key %s at level %d", obj, key, level);
89 /* check if there still remains any elements of this key */
91 for (int i = 0; i < lib->levels && empty; i++) {
96 /* there is no element at any level, so delete the key */
97 xbt_dict_remove(lib->dict, key);
100 if (invoke_callback && lib->free_f[level])
101 lib->free_f[level](obj);
104 void *xbt_lib_get_or_null(xbt_lib_t lib, const char *key, int level)
106 xbt_assert(level >= 0);
107 void **elts = xbt_dict_get_or_null(lib->dict, key);
108 return elts ? elts[level] : NULL;
111 xbt_dictelm_t xbt_lib_get_elm_or_null(xbt_lib_t lib, const char *key)
113 return xbt_dict_get_elm_or_null(lib->dict, key);
116 void *xbt_lib_get_level(xbt_dictelm_t elm, int level)
118 xbt_assert(level >= 0);
119 void **elts = elm->content;
120 return elts ? elts[level] : NULL;
123 void xbt_lib_remove(xbt_lib_t lib, const char *key){
124 xbt_dict_remove(lib->dict, key);