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.c
41 * \until end_of_traversal
44 * \until xbt_dynar_free
46 * \section XBT_dynar_exptr Example with pointed data
48 * \skip doxygen_string_cruft
56 * \skip end_of_doxygen
61 /** @defgroup XBT_dynar_cons Dynar constructor and destructor
64 * <center><table><tr><td><b>Up </b> <td> [\ref index]::[\ref XBT_API]::[\ref XBT_dynar]
65 * <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
70 /** \brief Dynar data type (opaque type) */
71 typedef struct xbt_dynar_s *xbt_dynar_t;
74 xbt_dynar_t xbt_dynar_new(unsigned long elm_size,
75 void_f_pvoid_t *free_func);
76 void xbt_dynar_free(xbt_dynar_t *dynar);
77 void xbt_dynar_free_container(xbt_dynar_t *dynar);
79 unsigned long xbt_dynar_length(const xbt_dynar_t dynar);
80 void xbt_dynar_reset(xbt_dynar_t dynar);
82 void xbt_dynar_dump(xbt_dynar_t dynar);
85 /** @defgroup XBT_dynar_array Dynar as a regular array
88 * <center><table><tr><td><b>Up </b> <td> [\ref index]::[\ref XBT_API]::[\ref XBT_dynar]
89 * <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
95 void xbt_dynar_get_cpy(const xbt_dynar_t dynar, int idx, void * const dst);
97 void xbt_dynar_set(xbt_dynar_t dynar, int idx, const void *src);
98 void xbt_dynar_replace(xbt_dynar_t dynar, int idx, const void *object);
100 void xbt_dynar_insert_at(xbt_dynar_t dynar, int idx, const void *src);
101 void xbt_dynar_remove_at(xbt_dynar_t dynar, int idx, void * const dst);
104 /** @defgroup XBT_dynar_perl Perl-like use of dynars
107 * <center><table><tr><td><b>Up </b> <td> [\ref index]::[\ref XBT_API]::[\ref XBT_dynar]
108 * <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
114 void xbt_dynar_push (xbt_dynar_t dynar, const void *src);
115 void xbt_dynar_pop (xbt_dynar_t dynar, void *const dst);
116 void xbt_dynar_unshift (xbt_dynar_t dynar, const void *src);
117 void xbt_dynar_shift (xbt_dynar_t dynar, void *const dst);
118 void xbt_dynar_map (const xbt_dynar_t dynar, void_f_pvoid_t *op);
121 /** @defgroup XBT_dynar_ctn Direct manipulation to the dynars content
124 * <center><table><tr><td><b>Up </b> <td> [\ref index]::[\ref XBT_API]::[\ref XBT_dynar]
125 * <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
128 * Those functions do not retrive the content, but only their address.
133 void *xbt_dynar_get_ptr(const xbt_dynar_t dynar, const int idx);
134 void *xbt_dynar_insert_at_ptr(xbt_dynar_t const dynar, const int idx);
135 void *xbt_dynar_push_ptr(xbt_dynar_t dynar);
136 void *xbt_dynar_pop_ptr(xbt_dynar_t dynar);
139 /** @defgroup XBT_dynar_speed Speed optimized access to dynars of scalars
142 * <center><table><tr><td><b>Up </b> <td> [\ref index]::[\ref XBT_API]::[\ref XBT_dynar]
143 * <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
146 * While the other functions use a memcpy to retrive the content into the
147 * user provided area, those ones use a regular affectation. It only works
148 * for scalar values, but should be a little faster.
153 /** @brief Quick retrieval of scalar content
154 * @hideinitializer */
155 # define xbt_dynar_get_as(dynar,idx,type) \
156 (*(type*)xbt_dynar_get_ptr((dynar),(idx)))
157 /** @brief Quick retrieval of scalar content
158 * @hideinitializer */
159 # define xbt_dynar_getlast_as(dynar,type) \
160 (*(type*)xbt_dynar_get_ptr((dynar),xbt_dynar_length(dynar)-1))
161 /** @brief Quick retrieval of scalar content
162 * @hideinitializer */
163 # define xbt_dynar_getfirst_as(dynar,type) \
164 (*(type*)xbt_dynar_get_ptr((dynar),0))
165 /** @brief Quick insertion of scalar content
166 * @hideinitializer */
167 # define xbt_dynar_insert_at_as(dynar,idx,type,value) \
168 *(type*)xbt_dynar_insert_at_ptr(dynar,idx)=value
169 /** @brief Quick insertion of scalar content
170 * @hideinitializer */
171 # define xbt_dynar_push_as(dynar,type,value) \
172 *(type*)xbt_dynar_push_ptr(dynar)=value
173 /** @brief Quick insertion of scalar content
174 * @hideinitializer */
175 # define xbt_dynar_pop_as(dynar,type) \
176 (*(type*)xbt_dynar_pop_ptr(dynar))
179 /** @defgroup XBT_dynar_cursor Cursors on dynar
182 * <center><table><tr><td><b>Up </b> <td> [\ref index]::[\ref XBT_API]::[\ref XBT_dynar]
183 * <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\<--
186 * Cursors are used to iterate over the structure. Never add elements to the
187 * DynArr during the traversal. To remove elements, use the
188 * xbt_dynar_cursor_rm() function
193 void xbt_dynar_cursor_first (const xbt_dynar_t dynar, int *cursor);
194 void xbt_dynar_cursor_step (const xbt_dynar_t dynar, int *cursor);
195 int xbt_dynar_cursor_get (const xbt_dynar_t dynar, int *cursor,
197 void xbt_dynar_cursor_rm(xbt_dynar_t dynar,
201 /** @brief Iterates over the whole dynar.
203 * @param _dynar what to iterate over
204 * @param _cursor an integer used as cursor
208 * \note An example of usage:
213 xbt_dynar_foreach (dyn,cpt,str) {
214 printf("Seen %s\n",str);
218 #define xbt_dynar_foreach(_dynar,_cursor,_data) \
219 for (xbt_dynar_cursor_first(_dynar,&(_cursor)) ; \
220 xbt_dynar_cursor_get(_dynar,&(_cursor),&_data) ; \
221 xbt_dynar_cursor_step(_dynar,&(_cursor)) )
227 #endif /* _XBT_DYNAR_H */