X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/4553b6fae9860536665e7dc1587f4fc3b1440a92..a07e0280b245200f483e170d446156f1dea261f3:/include/xbt/dict.h
diff --git a/include/xbt/dict.h b/include/xbt/dict.h
index 05b34c8a2e..b3cfd35ef3 100644
--- a/include/xbt/dict.h
+++ b/include/xbt/dict.h
@@ -1,12 +1,11 @@
/* xbt/dict.h -- api to a generic dictionary */
-/* Copyright (c) 2004-2011. The SimGrid Team.
+/* Copyright (c) 2004-2014. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
-
#ifndef _XBT_DICT_H
#define _XBT_DICT_H
@@ -19,12 +18,15 @@ SG_BEGIN_DECL()
/** @addtogroup XBT_dict
* @brief The dictionary data structure (comparable to hash tables)
*
- * This section describes the API to a dictionary structure that
- * associates as string to a void* key. It provides the same
- * functionality than an hash table.
+ * This section describes the API to a dictionary structure that associates as string to a void* key. It provides the
+ * same functionality than an hash table.
+ *
+ * If you are using C++, you might want to use `std::unordered_map` instead.
*
* Here is a little example of use:
- * \verbatim xbt_dict_t mydict = xbt_dict_new();
+
+\verbatim
+ xbt_dict_t mydict = xbt_dict_new();
char buff[512];
sprintf(buff,"some very precious data");
@@ -33,7 +35,6 @@ SG_BEGIN_DECL()
sprintf(buff,"another good stuff");
xbt_dict_set(mydict,"my data", strdup(buff), free); // previous data gets erased (and freed) by second add
\endverbatim
- *
*/
/** @defgroup XBT_dict_cons Dict constructor and destructor
@@ -44,6 +45,17 @@ SG_BEGIN_DECL()
/** \brief Dictionary data type (opaque structure) */
typedef struct s_xbt_dict *xbt_dict_t;
+typedef struct s_xbt_dictelm *xbt_dictelm_t;
+typedef struct s_xbt_dictelm {
+ char *key;
+ int key_len;
+ unsigned int hash_code;
+
+ void *content;
+
+ xbt_dictelm_t next;
+} s_xbt_dictelm_t;
+
XBT_PUBLIC(xbt_dict_t) xbt_dict_new(void);
XBT_PUBLIC(xbt_dict_t) xbt_dict_new_homogeneous(void_f_pvoid_t free_ctn);
XBT_PUBLIC(void) xbt_dict_free(xbt_dict_t * dict);
@@ -58,11 +70,13 @@ XBT_PUBLIC(unsigned int) xbt_dict_size(xbt_dict_t dict);
* @{
*/
-XBT_PUBLIC(void) xbt_dict_set(xbt_dict_t dict, const char *key, void *data,
- void_f_pvoid_t free_ctn);
+XBT_PUBLIC(void) xbt_dict_set(xbt_dict_t dict, const char *key, void *data, void_f_pvoid_t free_ctn);
XBT_PUBLIC(void *) xbt_dict_get(xbt_dict_t dict, const char *key);
XBT_PUBLIC(void *) xbt_dict_get_or_null(xbt_dict_t dict, const char *key);
XBT_PUBLIC(char *) xbt_dict_get_key(xbt_dict_t dict, const void *data);
+XBT_PUBLIC(char *) xbt_dict_get_elm_key(xbt_dictelm_t elem);
+XBT_PUBLIC(xbt_dictelm_t) xbt_dict_get_elm(xbt_dict_t dict, const char *key);
+XBT_PUBLIC(xbt_dictelm_t) xbt_dict_get_elm_or_null(xbt_dict_t dict, const char *key);
XBT_PUBLIC(void) xbt_dict_remove(xbt_dict_t dict, const char *key);
XBT_PUBLIC(void) xbt_dict_reset(xbt_dict_t dict);
@@ -81,33 +95,27 @@ XBT_PUBLIC(int) xbt_dict_is_empty(xbt_dict_t dict);
*
* @{
*/
-XBT_PUBLIC(void) xbt_dict_set_ext(xbt_dict_t dict,
- const char *key, int key_len,
- void *data, void_f_pvoid_t free_ctn);
-XBT_PUBLIC(void *) xbt_dict_get_ext(xbt_dict_t dict, const char *key,
- int key_len);
-XBT_PUBLIC(void *) xbt_dict_get_or_null_ext(xbt_dict_t dict,
- const char *key, int key_len);
-XBT_PUBLIC(void) xbt_dict_remove_ext(xbt_dict_t dict, const char *key,
- int key_len);
-
-#ifdef XBT_USE_DEPRECATED
-XBT_PUBLIC(void) xbt_dicti_set(xbt_dict_t dict, uintptr_t key,
- uintptr_t data);
-XBT_PUBLIC(uintptr_t) xbt_dicti_get(xbt_dict_t dict, uintptr_t key);
-XBT_PUBLIC(void) xbt_dicti_remove(xbt_dict_t dict, uintptr_t key);
-#endif
+XBT_PUBLIC(void) xbt_dict_set_ext(xbt_dict_t dict, const char *key, int key_len, void *data, void_f_pvoid_t free_ctn);
+XBT_PUBLIC(void *) xbt_dict_get_ext(xbt_dict_t dict, const char *key, int key_len);
+XBT_PUBLIC(void *) xbt_dict_get_or_null_ext(xbt_dict_t dict, const char *key, int key_len);
+XBT_PUBLIC(void) xbt_dict_remove_ext(xbt_dict_t dict, const char *key, int key_len);
+
+struct s_xbt_dict_cursor {
+ xbt_dictelm_t current;
+ int line;
+ xbt_dict_t dict;
+};
/** @} */
/** @defgroup XBT_dict_curs Cursors on dictionaries
* @ingroup XBT_dict
*
- * Don't get impressed, there is a lot of functions here, but traversing a
- * dictionary is immediate with the xbt_dict_foreach macro.
+ * Don't get impressed, there is a lot of functions here, but traversing a dictionary is immediate with the
+ * xbt_dict_foreach macro.
* You only need the other functions in rare cases (they are not used directly in SG itself).
*
- * Here is an example (assuming that the dictionary contains strings, ie
- * that the data argument of xbt_dict_set was always a null-terminated char*):
+ * Here is an example (assuming that the dictionary contains strings, i.e., that the data argument of
+ * xbt_dict_set was always a null-terminated char*):
\verbatim xbt_dict_cursor_t cursor=NULL;
char *key,*data;
@@ -120,69 +128,51 @@ XBT_PUBLIC(void) xbt_dicti_remove(xbt_dict_t dict, uintptr_t key);
*
* @{ */
- /** @brief Cursor on dictionaries (opaque type) */
+/** @brief Cursor on dictionaries (opaque type) */
typedef struct s_xbt_dict_cursor *xbt_dict_cursor_t;
+
+static inline xbt_dictelm_t xbt_dict_cursor_get_elm(xbt_dict_cursor_t cursor) {
+ return cursor->current;
+}
+
XBT_PUBLIC(xbt_dict_cursor_t) xbt_dict_cursor_new(const xbt_dict_t dict);
XBT_PUBLIC(void) xbt_dict_cursor_free(xbt_dict_cursor_t * cursor);
XBT_PUBLIC(void) xbt_dict_cursor_rewind(xbt_dict_cursor_t cursor);
-
+xbt_dictelm_t xbt_dict_cursor_get_elm(xbt_dict_cursor_t cursor);
XBT_PUBLIC(char *) xbt_dict_cursor_get_key(xbt_dict_cursor_t cursor);
XBT_PUBLIC(void *) xbt_dict_cursor_get_data(xbt_dict_cursor_t cursor);
-XBT_PUBLIC(void) xbt_dict_cursor_set_data(xbt_dict_cursor_t cursor,
- void *data,
- void_f_pvoid_t free_ctn);
+XBT_PUBLIC(void) xbt_dict_cursor_set_data(xbt_dict_cursor_t cursor, void *data, void_f_pvoid_t free_ctn);
-XBT_PUBLIC(void) xbt_dict_cursor_first(const xbt_dict_t dict,
- xbt_dict_cursor_t * cursor);
+XBT_PUBLIC(void) xbt_dict_cursor_first(const xbt_dict_t dict, xbt_dict_cursor_t * cursor);
XBT_PUBLIC(void) xbt_dict_cursor_step(xbt_dict_cursor_t cursor);
-XBT_PUBLIC(int) xbt_dict_cursor_get_or_free(xbt_dict_cursor_t * cursor,
- char **key, void **data);
- /** @def xbt_dict_foreach
- @hideinitializer */
+XBT_PUBLIC(int) xbt_dict_cursor_get_or_free(xbt_dict_cursor_t * cursor, char **key, void **data);
+/** @def xbt_dict_foreach
+ * @param dict a \ref xbt_dict_t iterator
+ * @param cursor an \ref xbt_dict_cursor_t used as cursor
+ * @param key a char*
+ * @param data a void** output
+ * @hideinitializer
+ *
+ * \note An example of usage:
+ * \code
+xbt_dict_cursor_t cursor = NULL;
+char *key;
+char *data;
+
+xbt_dict_foreach(head, cursor, key, data) {
+ printf("Key %s with data %s\n",key,data);
+}
+\endcode
+ */
# define xbt_dict_foreach(dict,cursor,key,data) \
for (cursor=NULL, xbt_dict_cursor_first((dict),&(cursor)) ; \
xbt_dict_cursor_get_or_free(&(cursor),(char**)&(key),(void**)(&data));\
xbt_dict_cursor_step(cursor) )
-/** @} */
-/** @defgroup XBT_dict_multi Multi-level dictionaries
- * @ingroup XBT_dict
- *
- * They can be seen as dictionary of multiple keys or as dictionary of
- * dictionary of ... of data. Most of the functions here work the same way
- * than their simple dictionary counterpart.
- *
- * Note that there is no xbt_multidict_free neither xbt_multi_dict_new functions.
- * Use xbt_dict_free() and xbt_dict_new() instead.
- *
- * @{
- */
-
-/*----[ xbt_multidict_set ]--------------------------------------------------*/
-XBT_PUBLIC(void)
-xbt_multidict_set(xbt_dict_t mdict,
- xbt_dynar_t keys, void *data, void (*free_ctn) (void *));
-XBT_PUBLIC(void)
-xbt_multidict_set_ext(xbt_dict_t mdict,
- xbt_dynar_t keys, xbt_dynar_t lens,
- void *data, void_f_pvoid_t free_ctn);
-
-/*----[ xbt_multidict_get ]--------------------------------------------------*/
-XBT_PUBLIC(void *) xbt_multidict_get(xbt_dict_t mdict, xbt_dynar_t keys);
-XBT_PUBLIC(void *) xbt_multidict_get_ext(xbt_dict_t mdict,
- xbt_dynar_t keys,
- xbt_dynar_t lens);
-
-/*----[ xbt_multidict_remove ]-----------------------------------------------*/
-/*---------------------------------------------------------------------------*/
-XBT_PUBLIC(void) xbt_multidict_remove(xbt_dict_t mdict, xbt_dynar_t keys);
-XBT_PUBLIC(void) xbt_multidict_remove_ext(xbt_dict_t mdict,
- xbt_dynar_t keys,
- xbt_dynar_t lens);
-
/** @} */
SG_END_DECL()
+
#endif /* _XBT_DICT_H */