/* xbt/dict.h -- api to a generic dictionary */
-/* Copyright (c) 2004-2014. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2004-2019. 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
+#ifndef XBT_DICT_H
+#define XBT_DICT_H
+
+#include <xbt/dynar.h> /* void_f_pvoid_t */
+#include <xbt/misc.h> /* SG_BEGIN_DECL */
-#include "xbt/misc.h" /* SG_BEGIN_DECL */
-#include "xbt/dynar.h" /* void_f_pvoid_t */
#include <stdint.h> /* uintptr_t */
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.
+ *
+ * @deprecated 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_homogeneous(free);
char buff[512];
sprintf(buff,"some very precious data");
- xbt_dict_set(mydict,"my data", strdup(buff), free);
+ xbt_dict_set(mydict,"my data", strdup(buff), NULL);
sprintf(buff,"another good stuff");
- xbt_dict_set(mydict,"my data", strdup(buff), free); // previous data gets erased (and freed) by second add
-\endverbatim
- *
+ xbt_dict_set(mydict,"my data", strdup(buff), NULL); // previous data gets erased (and freed) by second add
+@endverbatim
*/
/** @defgroup XBT_dict_cons Dict constructor and destructor
* @{
*/
- /** \brief Dictionary data type (opaque structure) */
-
+/** @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 {
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);
-XBT_PUBLIC(unsigned int) xbt_dict_size(xbt_dict_t dict);
+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);
+XBT_PUBLIC unsigned int xbt_dict_size(xbt_dict_t dict);
/** @} */
/** @defgroup XBT_dict_basic Dictionaries basic usage
* @{
*/
-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);
-XBT_PUBLIC(int) xbt_dict_length(xbt_dict_t dict);
-XBT_PUBLIC(void) xbt_dict_dump_output_string(void *s);
-XBT_PUBLIC(void) xbt_dict_dump(xbt_dict_t dict, void (*output) (void *));
-XBT_PUBLIC(void) xbt_dict_dump_sizes(xbt_dict_t dict);
-XBT_PUBLIC(int) xbt_dict_is_empty(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_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 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);
+XBT_PUBLIC int xbt_dict_length(xbt_dict_t dict);
+XBT_PUBLIC void xbt_dict_dump(xbt_dict_t dict, void (*output)(void*));
+XBT_PUBLIC int xbt_dict_is_empty(xbt_dict_t dict);
/** @} */
/** @defgroup XBT_dict_nnul Dictionaries with non-nul terminated keys
*
* @{
*/
-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);
+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;
/** @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 <tt>data</tt> argument of xbt_dict_set was always a null-terminated char*):
-\verbatim xbt_dict_cursor_t cursor=NULL;
+ * Here is an example (assuming that the dictionary contains strings, i.e., that the <tt>data</tt> argument of
+ * xbt_dict_set was always a null-terminated char*):
+@verbatim xbt_dict_cursor_t cursor=NULL;
char *key,*data;
xbt_dict_foreach(dict,cursor,key,data) {
printf(" - Seen: %s->%s\n",key,data);
- }\endverbatim
+ }@endverbatim
*
- * \warning Do not add or remove entries to the cache while traversing !!
+ * @warning Do not add or remove entries to the cache while traversing !!
*
* @{ */
- /** @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 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_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 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_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);
+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
- * @param dict a \ref xbt_dict_t iterator
- * @param cursor an \ref xbt_dict_cursor_t used as cursor
+ * @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
+ * @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
+@endcode
*/
# define xbt_dict_foreach(dict,cursor,key,data) \
for (cursor=NULL, xbt_dict_cursor_first((dict),&(cursor)) ; \
/** @} */
SG_END_DECL()
-#endif /* _XBT_DICT_H */
+
+#endif /* XBT_DICT_H */