3 /* dynar - a generic dynamic array */
5 /* Copyright (c) 2003, 2004 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. */
13 #include "xbt/misc.h" /* SG_BEGIN_DECL */
17 /** @addtogroup XBT_dynar
18 * @brief DynArr are dynamically sized vector which may contain any type of variables.
20 * These are the SimGrid version of the dynamically size arrays, which all C programmer recode one day or another.
22 * For performance concerns, the content of DynArr must be homogeneous (in
23 * contrary to dictionnaries -- see the \ref XBT_dict section). You thus
24 * have to provide the function which will be used to free the content at
25 * structure creation (of type void_f_ppvoid_t or void_f_pvoid_t).
27 * \section XBT_dynar_exscal Example with scalar
28 * \dontinclude dynar.c
35 * \until end_of_traversal
38 * \until xbt_dynar_free
40 * \section XBT_dynar_exptr Example with pointed data
42 * \skip doxygen_string_cruft
50 * \skip end_of_doxygen
55 /** @defgroup XBT_dynar_cons Dynar constructor and destructor
60 /** \brief Dynar data type (opaque type) */
61 typedef struct xbt_dynar_s *xbt_dynar_t;
64 xbt_dynar_t xbt_dynar_new(unsigned long elm_size,
65 void_f_pvoid_t *free_func);
66 void xbt_dynar_free(xbt_dynar_t *dynar);
67 void xbt_dynar_free_voidp(void *dynar);
68 void xbt_dynar_free_container(xbt_dynar_t *dynar);
70 unsigned long xbt_dynar_length(const xbt_dynar_t dynar);
71 void xbt_dynar_reset(xbt_dynar_t dynar);
73 void xbt_dynar_dump(xbt_dynar_t dynar);
76 /** @defgroup XBT_dynar_array Dynar as a regular array
82 void xbt_dynar_get_cpy(const xbt_dynar_t dynar, int idx, void * const dst);
84 void xbt_dynar_set(xbt_dynar_t dynar, int idx, const void *src);
85 void xbt_dynar_replace(xbt_dynar_t dynar, int idx, const void *object);
87 void xbt_dynar_insert_at(xbt_dynar_t dynar, int idx, const void *src);
88 void xbt_dynar_remove_at(xbt_dynar_t dynar, int idx, void * const dst);
91 /** @defgroup XBT_dynar_perl Perl-like use of dynars
97 void xbt_dynar_push (xbt_dynar_t dynar, const void *src);
98 void xbt_dynar_pop (xbt_dynar_t dynar, void *const dst);
99 void xbt_dynar_unshift (xbt_dynar_t dynar, const void *src);
100 void xbt_dynar_shift (xbt_dynar_t dynar, void *const dst);
101 void xbt_dynar_map (const xbt_dynar_t dynar, void_f_pvoid_t *op);
104 /** @defgroup XBT_dynar_ctn Direct manipulation to the dynars content
107 * Those functions do not retrive the content, but only their address.
112 void *xbt_dynar_get_ptr(const xbt_dynar_t dynar, const int idx);
113 void *xbt_dynar_insert_at_ptr(xbt_dynar_t const dynar, const int idx);
114 void *xbt_dynar_push_ptr(xbt_dynar_t dynar);
115 void *xbt_dynar_pop_ptr(xbt_dynar_t dynar);
118 /** @defgroup XBT_dynar_speed Speed optimized access to dynars of scalars
121 * While the other functions use a memcpy to retrive the content into the
122 * user provided area, those ones use a regular affectation. It only works
123 * for scalar values, but should be a little faster.
128 /** @brief Quick retrieval of scalar content
129 * @hideinitializer */
130 # define xbt_dynar_get_as(dynar,idx,type) \
131 (*(type*)xbt_dynar_get_ptr((dynar),(idx)))
132 /** @brief Quick retrieval of scalar content
133 * @hideinitializer */
134 # define xbt_dynar_getlast_as(dynar,type) \
135 (*(type*)xbt_dynar_get_ptr((dynar),xbt_dynar_length(dynar)-1))
136 /** @brief Quick retrieval of scalar content
137 * @hideinitializer */
138 # define xbt_dynar_getfirst_as(dynar,type) \
139 (*(type*)xbt_dynar_get_ptr((dynar),0))
140 /** @brief Quick insertion of scalar content
141 * @hideinitializer */
142 # define xbt_dynar_insert_at_as(dynar,idx,type,value) \
143 *(type*)xbt_dynar_insert_at_ptr(dynar,idx)=value
144 /** @brief Quick insertion of scalar content
145 * @hideinitializer */
146 # define xbt_dynar_push_as(dynar,type,value) \
147 *(type*)xbt_dynar_push_ptr(dynar)=value
148 /** @brief Quick insertion of scalar content
149 * @hideinitializer */
150 # define xbt_dynar_pop_as(dynar,type) \
151 (*(type*)xbt_dynar_pop_ptr(dynar))
154 /** @defgroup XBT_dynar_cursor Cursors on dynar
157 * Cursors are used to iterate over the structure. Never add elements to the
158 * DynArr during the traversal. To remove elements, use the
159 * xbt_dynar_cursor_rm() function
164 void xbt_dynar_cursor_first (const xbt_dynar_t dynar, int *cursor);
165 void xbt_dynar_cursor_step (const xbt_dynar_t dynar, int *cursor);
166 int xbt_dynar_cursor_get (const xbt_dynar_t dynar, int *cursor,
168 void xbt_dynar_cursor_rm(xbt_dynar_t dynar,
172 /** @brief Iterates over the whole dynar.
174 * @param _dynar what to iterate over
175 * @param _cursor an integer used as cursor
179 * \note An example of usage:
184 xbt_dynar_foreach (dyn,cpt,str) {
185 printf("Seen %s\n",str);
189 #define xbt_dynar_foreach(_dynar,_cursor,_data) \
190 for (xbt_dynar_cursor_first(_dynar,&(_cursor)) ; \
191 xbt_dynar_cursor_get(_dynar,&(_cursor),&_data) ; \
192 xbt_dynar_cursor_step(_dynar,&(_cursor)) )
198 #endif /* _XBT_DYNAR_H */