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 * <center><table><tr><td><b>Up </b> <td> [\ref index]::[\ref XBT_API]
21 * <tr><td><b>Prev</b> <td> [\ref XBT_config]
22 * <tr><td><b>Next</b> <td> [\ref XBT_dict]
23 * <tr><td><b>Down</b> <td> \ref XBT_dynar_cons\n\ref XBT_dynar_array\n\ref XBT_dynar_perl\n\ref XBT_dynar_ctn\n\ref XBT_dynar_speed\n\ref XBT_dynar_cursor
26 * These are the SimGrid version of the dynamically size arrays, which all C programmer recode one day or another.
28 * For performance concerns, the content of DynArr must be homogeneous (in
29 * contrary to dictionnaries -- see the \ref XBT_dict section). You thus
30 * have to provide the function which will be used to free the content at
31 * structure creation (of type void_f_ppvoid_t or void_f_pvoid_t).
33 * \section XBT_dynar_exscal Example with scalar
34 * \dontinclude dynar_int.c
41 * \until end_of_traversal
44 * \until xbt_dynar_free
46 * \section XBT_dynar_exptr Example with pointed data
47 * \dontinclude dynar_string.c
49 * \skip doxygen_first_cruft
62 /** @defgroup XBT_dynar_cons Dynar constructor and destructor
65 * <center><table><tr><td><b>Up </b> <td> [\ref index]::[\ref XBT_API]::[\ref XBT_dynar]
66 * <tr><td><b>Jump to</b><td> --\>\ref XBT_dynar_cons\<--\n\ref XBT_dynar_array\n\ref XBT_dynar_perl\n\ref XBT_dynar_ctn\n\ref XBT_dynar_speed\n\ref XBT_dynar_cursor
71 /** \brief Dynar data type (opaque type) */
72 typedef struct xbt_dynar_s *xbt_dynar_t;
75 xbt_dynar_t xbt_dynar_new(unsigned long elm_size,
76 void_f_pvoid_t *free_func);
77 void xbt_dynar_free(xbt_dynar_t *dynar);
78 void xbt_dynar_free_container(xbt_dynar_t *dynar);
80 unsigned long xbt_dynar_length(const xbt_dynar_t dynar);
81 void xbt_dynar_reset(xbt_dynar_t dynar);
83 void xbt_dynar_dump(xbt_dynar_t dynar);
86 /** @defgroup XBT_dynar_array Dynar as a regular array
89 * <center><table><tr><td><b>Up </b> <td> [\ref index]::[\ref XBT_API]::[\ref XBT_dynar]
90 * <tr><td><b>Jump to</b><td> \ref XBT_dynar_cons\n--\>\ref XBT_dynar_array\<--\n\ref XBT_dynar_perl\n\ref XBT_dynar_ctn\n\ref XBT_dynar_speed\n\ref XBT_dynar_cursor
96 void xbt_dynar_get_cpy(const xbt_dynar_t dynar, int idx, void * const dst);
98 void xbt_dynar_set(xbt_dynar_t dynar, int idx, const void *src);
99 void xbt_dynar_replace(xbt_dynar_t dynar, int idx, const void *object);
101 void xbt_dynar_insert_at(xbt_dynar_t dynar, int idx, const void *src);
102 void xbt_dynar_remove_at(xbt_dynar_t dynar, int idx, void * const dst);
105 /** @defgroup XBT_dynar_perl Perl-like use of dynars
108 * <center><table><tr><td><b>Up </b> <td> [\ref index]::[\ref XBT_API]::[\ref XBT_dynar]
109 * <tr><td><b>Jump to</b><td> \ref XBT_dynar_cons\n\ref XBT_dynar_array\n--\>\ref XBT_dynar_perl\<--\n\ref XBT_dynar_ctn\n\ref XBT_dynar_speed\n\ref XBT_dynar_cursor
115 void xbt_dynar_push (xbt_dynar_t dynar, const void *src);
116 void xbt_dynar_pop (xbt_dynar_t dynar, void *const dst);
117 void xbt_dynar_unshift (xbt_dynar_t dynar, const void *src);
118 void xbt_dynar_shift (xbt_dynar_t dynar, void *const dst);
119 void xbt_dynar_map (const xbt_dynar_t dynar, void_f_pvoid_t *op);
122 /** @defgroup XBT_dynar_ctn Direct manipulation to the dynars content
125 * <center><table><tr><td><b>Up </b> <td> [\ref index]::[\ref XBT_API]::[\ref XBT_dynar]
126 * <tr><td><b>Jump to</b><td> \ref XBT_dynar_cons\n\ref XBT_dynar_array\n\ref XBT_dynar_perl\n--\>\ref XBT_dynar_ctn\<--\n\ref XBT_dynar_speed\n\ref XBT_dynar_cursor
129 * Those functions do not retrive the content, but only their address.
134 void *xbt_dynar_get_ptr(const xbt_dynar_t dynar, const int idx);
135 void *xbt_dynar_insert_at_ptr(xbt_dynar_t const dynar, const int idx);
136 void *xbt_dynar_push_ptr(xbt_dynar_t dynar);
137 void *xbt_dynar_pop_ptr(xbt_dynar_t dynar);
140 /** @defgroup XBT_dynar_speed Speed optimized access to dynars of scalars
143 * <center><table><tr><td><b>Up </b> <td> [\ref index]::[\ref XBT_API]::[\ref XBT_dynar]
144 * <tr><td><b>Jump to</b><td> \ref XBT_dynar_cons\n\ref XBT_dynar_array\n\ref XBT_dynar_perl\n\ref XBT_dynar_ctn\n--\>\ref XBT_dynar_speed\<--\n\ref XBT_dynar_cursor
147 * While the other functions use a memcpy to retrive the content into the
148 * user provided area, those ones use a regular affectation. It only works
149 * for scalar values, but should be a little faster.
154 /** @brief Quick retrieval of scalar content
155 * @hideinitializer */
156 # define xbt_dynar_get_as(dynar,idx,type) \
157 (*(type*)xbt_dynar_get_ptr((dynar),(idx)))
158 /** @brief Quick retrieval of scalar content
159 * @hideinitializer */
160 # define xbt_dynar_getlast_as(dynar,type) \
161 (*(type*)xbt_dynar_get_ptr((dynar),xbt_dynar_length(dynar)-1))
162 /** @brief Quick retrieval of scalar content
163 * @hideinitializer */
164 # define xbt_dynar_getfirst_as(dynar,type) \
165 (*(type*)xbt_dynar_get_ptr((dynar),0))
166 /** @brief Quick insertion of scalar content
167 * @hideinitializer */
168 # define xbt_dynar_insert_at_as(dynar,idx,type,value) \
169 *(type*)xbt_dynar_insert_at_ptr(dynar,idx)=value
170 /** @brief Quick insertion of scalar content
171 * @hideinitializer */
172 # define xbt_dynar_push_as(dynar,type,value) \
173 *(type*)xbt_dynar_push_ptr(dynar)=value
174 /** @brief Quick insertion of scalar content
175 * @hideinitializer */
176 # define xbt_dynar_pop_as(dynar,type) \
177 (*(type*)xbt_dynar_pop_ptr(dynar))
180 /** @defgroup XBT_dynar_cursor Cursors on dynar
183 * <center><table><tr><td><b>Up </b> <td> [\ref index]::[\ref XBT_API]::[\ref XBT_dynar]
184 * <tr><td><b>Jump to</b><td> \ref XBT_dynar_cons\n\ref XBT_dynar_array\n\ref XBT_dynar_perl\n\ref XBT_dynar_ctn\n\ref XBT_dynar_speed\n--\>\ref XBT_dynar_cursor\<--
187 * Cursors are used to iterate over the structure. Never add elements to the
188 * DynArr during the traversal. To remove elements, use the
189 * xbt_dynar_cursor_rm() function
194 void xbt_dynar_cursor_first (const xbt_dynar_t dynar, int *cursor);
195 void xbt_dynar_cursor_step (const xbt_dynar_t dynar, int *cursor);
196 int xbt_dynar_cursor_get (const xbt_dynar_t dynar, int *cursor,
198 void xbt_dynar_cursor_rm(xbt_dynar_t dynar,
202 /** @brief Iterates over the whole dynar.
204 * @param _dynar what to iterate over
205 * @param _cursor an integer used as cursor
209 * \note An example of usage:
214 xbt_dynar_foreach (dyn,cpt,str) {
215 printf("Seen %s\n",str);
219 #define xbt_dynar_foreach(_dynar,_cursor,_data) \
220 for (xbt_dynar_cursor_first(_dynar,&(_cursor)) ; \
221 xbt_dynar_cursor_get(_dynar,&(_cursor),&_data) ; \
222 xbt_dynar_cursor_step(_dynar,&(_cursor)) )
228 #endif /* _XBT_DYNAR_H */