X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/8c354c48ec90c997cc7213ce96ca97d882934166..da345f5a66d319a7470611b536c690a56de31e95:/include/xbt/dynar.h diff --git a/include/xbt/dynar.h b/include/xbt/dynar.h index bfdcd508c2..c3e8597faa 100644 --- a/include/xbt/dynar.h +++ b/include/xbt/dynar.h @@ -1,8 +1,8 @@ /* $Id$ */ -/* dynar - a generic dynamic array */ +/* dynar - a generic dynamic array */ -/* Copyright (c) 2004 Martin Quinson. All rights reserved. */ +/* Copyright (c) 2003, 2004 Martin Quinson. 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. */ @@ -10,88 +10,202 @@ #ifndef _XBT_DYNAR_H #define _XBT_DYNAR_H -#include "xbt/misc.h" /* BEGIN_DECL */ - -BEGIN_DECL +#include "xbt/misc.h" /* SG_BEGIN_DECL */ +#include "xbt/function_types.h" + +SG_BEGIN_DECL() + +/** @addtogroup XBT_dynar + * @brief DynArr are dynamically sized vector which may contain any type of variables. + * + * These are the SimGrid version of the dynamically size arrays, which all C programmer recode one day or another. + * + * For performance concerns, the content of DynArr must be homogeneous (in + * contrary to dictionnaries -- see the \ref XBT_dict section). You thus + * have to provide the function which will be used to free the content at + * structure creation (of type void_f_ppvoid_t or void_f_pvoid_t). + * + * \section XBT_dynar_exscal Example with scalar + * \dontinclude dynar.c + * + * \skip Vars_decl + * \skip dyn + * \until iptr + * \skip Populate_ints + * \skip dyn + * \until end_of_traversal + * \skip shifting + * \skip val + * \until xbt_dynar_free + * + * \section XBT_dynar_exptr Example with pointed data + * + * \skip doxygen_string_cruft + * \skip function + * \until s2 + * \skip Populate_str + * \skip dyn + * \until } + * \skip macro + * \until dynar_free + * \skip end_of_doxygen + * \until } + * + */ + +/** @defgroup XBT_dynar_cons Dynar constructor and destructor + * @ingroup XBT_dynar + * + * @{ + */ + /** \brief Dynar data type (opaque type) */ + typedef struct xbt_dynar_s *xbt_dynar_t; -typedef struct xbt_dynar_s *xbt_dynar_t; -xbt_dynar_t xbt_dynar_new(unsigned long elm_size, - void_f_pvoid_t *free_func); -void xbt_dynar_free(xbt_dynar_t *dynar); -void xbt_dynar_free_container(xbt_dynar_t *dynar); + XBT_PUBLIC(xbt_dynar_t) xbt_dynar_new(unsigned long elm_size, + void_f_pvoid_t *free_func); + XBT_PUBLIC(xbt_dynar_t) xbt_dynar_new_sync(unsigned long elm_size, + void_f_pvoid_t *free_func); + XBT_PUBLIC(void) xbt_dynar_free(xbt_dynar_t *dynar); + XBT_PUBLIC(void) xbt_dynar_free_voidp(void *dynar); + XBT_PUBLIC(void) xbt_dynar_free_container(xbt_dynar_t *dynar); -unsigned long xbt_dynar_length(const xbt_dynar_t dynar); -void xbt_dynar_reset(xbt_dynar_t dynar); + XBT_PUBLIC(unsigned long) xbt_dynar_length(const xbt_dynar_t dynar); + XBT_PUBLIC(void) xbt_dynar_reset(xbt_dynar_t dynar); + XBT_PUBLIC(void) xbt_dynar_shrink(xbt_dynar_t dynar, int empty_slots); + XBT_PUBLIC(void) xbt_dynar_dump(xbt_dynar_t dynar); -/* regular array functions */ -void xbt_dynar_get_cpy(const xbt_dynar_t dynar, int idx, void *const dst); -void *xbt_dynar_get_ptr(const xbt_dynar_t dynar, - const int idx); +/** @} */ +/** @defgroup XBT_dynar_array Dynar as a regular array + * @ingroup XBT_dynar + * + * @{ + */ -#define xbt_dynar_get_as(dynar,idx,type) *(type*)xbt_dynar_get_ptr(dynar,idx) + XBT_PUBLIC(void) xbt_dynar_get_cpy(const xbt_dynar_t dynar, int idx, void * const dst); -void xbt_dynar_set(xbt_dynar_t dynar, int idx, const void *src); -void xbt_dynar_replace(xbt_dynar_t dynar, - int idx, const void *object); - -/* perl array function */ - -void xbt_dynar_insert_at(xbt_dynar_t dynar, - int idx, const void *src); -void xbt_dynar_remove_at(xbt_dynar_t dynar, - int idx, void *object); -void xbt_dynar_push (xbt_dynar_t dynar, const void *src); -void xbt_dynar_pop (xbt_dynar_t dynar, void *const dst); -void xbt_dynar_unshift (xbt_dynar_t dynar, const void *src); -void xbt_dynar_shift (xbt_dynar_t dynar, void *const dst); -void xbt_dynar_map (const xbt_dynar_t dynar, void_f_pvoid_t *operator); - -/* speed-optimized versions */ -void *xbt_dynar_insert_at_ptr(xbt_dynar_t const dynar, - const int idx); -void *xbt_dynar_push_ptr(xbt_dynar_t dynar); -void *xbt_dynar_pop_ptr(xbt_dynar_t dynar); - -#define xbt_dynar_insert_at_as(dynar,idx,type,value) *(type*)xbt_dynar_insert_at_ptr(dynar,idx)=value -#define xbt_dynar_push_as(dynar,type,value) *(type*)xbt_dynar_push_ptr(dynar)=value -#define xbt_dynar_pop_as(dynar,type) *(type*)xbt_dynar_pop_ptr(dynar) - - -/* cursor functions */ -void xbt_dynar_cursor_first (const xbt_dynar_t dynar, int *cursor); -void xbt_dynar_cursor_step (const xbt_dynar_t dynar, int *cursor); -int xbt_dynar_cursor_get (const xbt_dynar_t dynar, int *cursor, void *whereto); - -/** - * xbt_dynar_foreach: - * @_dynar: what to iterate over - * @_cursor: an integer used as cursor - * @_data: + XBT_PUBLIC(void) xbt_dynar_set(xbt_dynar_t dynar, int idx, const void *src); + XBT_PUBLIC(void) xbt_dynar_replace(xbt_dynar_t dynar, int idx, const void *object); + + XBT_PUBLIC(void) xbt_dynar_insert_at(xbt_dynar_t dynar, int idx, const void *src); + XBT_PUBLIC(void) xbt_dynar_remove_at(xbt_dynar_t dynar, int idx, void * const dst); + + XBT_PUBLIC(int) xbt_dynar_search(xbt_dynar_t dynar, void *elem); + XBT_PUBLIC(int) xbt_dynar_member(xbt_dynar_t dynar, void *elem); +/** @} */ +/** @defgroup XBT_dynar_perl Perl-like use of dynars + * @ingroup XBT_dynar * - * Iterates over the whole dynar. Example: + * @{ + */ + + XBT_PUBLIC(void) xbt_dynar_push (xbt_dynar_t dynar, const void *src); + XBT_PUBLIC(void) xbt_dynar_pop (xbt_dynar_t dynar, void *const dst); + XBT_PUBLIC(void) xbt_dynar_unshift (xbt_dynar_t dynar, const void *src); + XBT_PUBLIC(void) xbt_dynar_shift (xbt_dynar_t dynar, void *const dst); + XBT_PUBLIC(void) xbt_dynar_map (const xbt_dynar_t dynar, void_f_pvoid_t *op); + +/** @} */ +/** @defgroup XBT_dynar_ctn Direct manipulation to the dynars content + * @ingroup XBT_dynar + * + * Those functions do not retrieve the content, but only their address. * - * - * xbt_dynar_t *dyn; - * int cpt; - * string *str; - * xbt_dynar_foreach (dyn,cpt,str) { - * printf("Seen %s\n",str); - * } + * @{ + */ + + XBT_PUBLIC(void*) xbt_dynar_get_ptr(const xbt_dynar_t dynar, const int idx); + XBT_PUBLIC(void*) xbt_dynar_insert_at_ptr(xbt_dynar_t const dynar, const int idx); + XBT_PUBLIC(void*) xbt_dynar_push_ptr(xbt_dynar_t dynar); + XBT_PUBLIC(void*) xbt_dynar_pop_ptr(xbt_dynar_t dynar); + +/** @} */ +/** @defgroup XBT_dynar_speed Speed optimized access to dynars of scalars + * @ingroup XBT_dynar + * + * While the other functions use a memcpy to retrieve the content into the + * user provided area, those ones use a regular affectation. It only works + * for scalar values, but should be a little faster. + * + * @{ + */ + + /** @brief Quick retrieval of scalar content + * @hideinitializer */ +# define xbt_dynar_get_as(dynar,idx,type) \ + (*(type*)xbt_dynar_get_ptr((dynar),(idx))) + /** @brief Quick retrieval of scalar content + * @hideinitializer */ +# define xbt_dynar_getlast_as(dynar,type) \ + (*(type*)xbt_dynar_get_ptr((dynar),xbt_dynar_length(dynar)-1)) + /** @brief Quick retrieval of scalar content + * @hideinitializer */ +# define xbt_dynar_getfirst_as(dynar,type) \ + (*(type*)xbt_dynar_get_ptr((dynar),0)) + /** @brief Quick insertion of scalar content + * @hideinitializer */ +# define xbt_dynar_insert_at_as(dynar,idx,type,value) \ + *(type*)xbt_dynar_insert_at_ptr(dynar,idx)=value + /** @brief Quick insertion of scalar content + * @hideinitializer */ +# define xbt_dynar_push_as(dynar,type,value) \ + *(type*)xbt_dynar_push_ptr(dynar)=value + /** @brief Quick insertion of scalar content + * @hideinitializer */ +# define xbt_dynar_pop_as(dynar,type) \ + (*(type*)xbt_dynar_pop_ptr(dynar)) + +/** @} */ +/** @defgroup XBT_dynar_cursor Cursors on dynar + * @ingroup XBT_dynar + * + * Cursors are used to iterate over the structure. Never add elements to the + * DynArr during the traversal. To remove elements, use the + * xbt_dynar_cursor_rm() function. + * + * Do not call these functions directly, but only the xbt_dynar_foreach macro. + * + * For synchronized dynars, the dynar will be locked during the whole + * loop and it will get unlocked automatically if you traverse all + * elements. If you want to break the loop before the end, make sure + * to call xbt_dynar_cursor_unlock() before the break; + * + * @{ + */ + + XBT_PUBLIC(void) _xbt_dynar_cursor_first (const xbt_dynar_t dynar, int *cursor); + XBT_PUBLIC(void) _xbt_dynar_cursor_step (const xbt_dynar_t dynar, int *cursor); + XBT_PUBLIC(int) _xbt_dynar_cursor_get (const xbt_dynar_t dynar, int *cursor, + void *whereto); + XBT_PUBLIC(void) xbt_dynar_cursor_rm(xbt_dynar_t dynar, + int *const cursor); + XBT_PUBLIC(void) xbt_dynar_cursor_unlock(xbt_dynar_t dynar); + +/** @brief Iterates over the whole dynar. + * + * @param _dynar what to iterate over + * @param _cursor an integer used as cursor + * @param _data + * @hideinitializer + * + * \note An example of usage: + * \code +xbt_dynar_t dyn; +int cpt; +string *str; +xbt_dynar_foreach (dyn,cpt,str) { + printf("Seen %s\n",str); +} +\endcode */ #define xbt_dynar_foreach(_dynar,_cursor,_data) \ - for (xbt_dynar_cursor_first(_dynar,&(_cursor)) ; \ - xbt_dynar_cursor_get(_dynar,&(_cursor),&_data) ; \ - xbt_dynar_cursor_step(_dynar,&(_cursor)) ) -/* - for (xbt_dynar_length(_dynar) && (_xbt_dynar_cursor_first(_dynar,&_cursor), \ - 1); \ - xbt_dynar_length(_dynar) && xbt_dynar_cursor_get(_dynar,&_cursor,&_data); \ - xbt_dynar_cursor_step(_dynar,&_cursor)) -*/ -void xbt_dynar_cursor_rm(xbt_dynar_t dynar, - int *const cursor); - -END_DECL + for (_xbt_dynar_cursor_first(_dynar,&(_cursor)) ; \ + _xbt_dynar_cursor_get(_dynar,&(_cursor),&_data) ; \ + _xbt_dynar_cursor_step(_dynar,&(_cursor)) ) + +/** @} */ + +SG_END_DECL() + #endif /* _XBT_DYNAR_H */