2008-08-06 11:15:24 -07:00
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/* EINA - EFL data type library
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* Copyright (C) 2008 Cedric Bail
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library;
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* if not, see <http://www.gnu.org/licenses/>.
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*/
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2008-07-30 09:34:54 -07:00
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#ifndef EINA_ARRAY_H_
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#define EINA_ARRAY_H_
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2008-08-01 05:26:35 -07:00
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#include <stdlib.h>
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2008-09-26 04:41:55 -07:00
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#include "eina_config.h"
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2008-07-30 09:34:54 -07:00
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#include "eina_types.h"
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2008-09-07 12:12:49 -07:00
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#include "eina_error.h"
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2008-08-11 09:30:16 -07:00
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#include "eina_iterator.h"
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#include "eina_accessor.h"
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2008-09-25 07:46:16 -07:00
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#include "eina_magic.h"
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2008-07-30 09:34:54 -07:00
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2008-09-07 12:12:49 -07:00
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/**
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2008-09-18 22:22:43 -07:00
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* @addtogroup Eina_Data_Types_Group Data Types
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*
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* @{
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*/
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/**
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* @addtogroup Eina_Containers_Group Containers
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*
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* @{
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*/
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/**
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* @defgroup Eina_Array_Group Array
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2008-09-07 12:12:49 -07:00
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*
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* @{
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*/
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2008-08-11 09:30:16 -07:00
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2008-09-07 12:12:49 -07:00
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/**
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* @typedef Eina_Array
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2008-09-18 22:22:43 -07:00
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* Type for a generic vector.
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2008-09-07 12:12:49 -07:00
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*/
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typedef struct _Eina_Array Eina_Array;
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/**
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* @typedef Eina_Array_Iterator
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2008-09-15 12:17:15 -07:00
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* Type for an iterator on arrays, used with #EINA_ARRAY_ITER_NEXT.
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2008-09-07 12:12:49 -07:00
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*/
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typedef void **Eina_Array_Iterator;
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/**
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* @struct _Eina_Array
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* Type for an array of data.
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*/
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struct _Eina_Array
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2008-07-30 09:34:54 -07:00
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{
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2008-09-25 07:46:16 -07:00
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EINA_MAGIC;
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2008-07-30 09:34:54 -07:00
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void **data; /**< Pointer to a vector of pointer to payload */
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unsigned int total; /**< Total number of slot in the vector */
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unsigned int count; /**< Number of activ slot in the vector */
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2008-09-07 12:12:49 -07:00
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unsigned int step; /**< How much must we grow the vector when it is full */
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2008-07-30 09:34:54 -07:00
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};
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2008-08-08 07:20:11 -07:00
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EAPI int eina_array_init (void);
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EAPI int eina_array_shutdown (void);
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2008-09-07 12:12:49 -07:00
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EAPI Eina_Array *eina_array_new (unsigned int step);
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2008-08-08 07:20:11 -07:00
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EAPI void eina_array_free (Eina_Array *array);
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2008-09-07 12:12:49 -07:00
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EAPI void eina_array_step_set (Eina_Array *array, unsigned int step);
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2008-08-08 07:20:11 -07:00
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EAPI void eina_array_clean (Eina_Array *array);
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EAPI void eina_array_flush (Eina_Array *array);
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2008-09-08 05:19:15 -07:00
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EAPI Eina_Bool eina_array_remove (Eina_Array *array, Eina_Bool (*keep)(void *data, void *gdata), void *gdata);
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2008-08-08 07:20:11 -07:00
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2008-09-07 12:12:49 -07:00
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static inline Eina_Bool eina_array_push (Eina_Array *array, const void *data);
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static inline void *eina_array_pop (Eina_Array *array);
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2008-09-15 12:17:15 -07:00
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static inline void *eina_array_data_get (const Eina_Array *array, unsigned int index);
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2008-11-05 09:16:07 -08:00
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static inline void eina_array_data_set (const Eina_Array *array, unsigned int index, const void *data);
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2008-09-15 12:17:15 -07:00
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static inline unsigned int eina_array_count_get (const Eina_Array *array);
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2008-08-08 07:20:11 -07:00
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2008-09-07 12:12:49 -07:00
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EAPI Eina_Iterator *eina_array_iterator_new (const Eina_Array *array);
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EAPI Eina_Accessor *eina_array_accessor_new (const Eina_Array *array);
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2008-08-08 07:20:11 -07:00
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2008-09-15 12:17:15 -07:00
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/**
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* @def EINA_ARRAY_ITER_NEXT
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2008-09-22 22:17:49 -07:00
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* @brief Macro to iterate over an array easily.
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2008-09-15 12:17:15 -07:00
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*
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* @param array The array to iterate over.
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* @param index The integer number that is increased while itareting.
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* @param item The data
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* @param iterator The iterator
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*
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* This macro allow the iteration over @p array in an easy way. It
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2008-09-17 11:55:54 -07:00
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* iterates from the first element to the last one. @p index is an
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2008-09-15 12:17:15 -07:00
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* integer that increase from 0 to the number of elements. @p item is
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* the data of each element of @p array, so it is a pointer to a type
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* chosen by the user. @p iterator is of type #Eina_Array_Iterator.
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*
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* This macro can be used for freeing the data of an array, like in
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* the following example:
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*
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* @code
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* Eina_Array *array;
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* char *item;
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2008-11-05 08:20:37 -08:00
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* Eina_Array_Iterator iterator;
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2008-09-15 12:17:15 -07:00
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* unsigned int i;
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*
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* // array is already filled,
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* // its elements are just duplicated strings,
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* // EINA_ARRAY_ITER_NEXT will be used to free those strings
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*
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* EINA_ARRAY_ITER_NEXT(array, i, item, iterator)
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* free(item);
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* @endcode
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*/
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2008-08-11 09:30:16 -07:00
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#define EINA_ARRAY_ITER_NEXT(array, index, item, iterator) \
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for (index = 0, iterator = (array)->data, item = iterator != NULL ? *(iterator) : NULL; \
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2008-09-15 12:17:15 -07:00
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index < eina_array_count_get(array); \
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2008-08-11 09:30:16 -07:00
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++(index), item = *(++(iterator)))
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2008-08-01 05:26:35 -07:00
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#include "eina_inline_array.x"
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2008-09-18 22:22:43 -07:00
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/**
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* @}
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*/
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/**
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* @}
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*/
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2008-09-07 12:12:49 -07:00
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/**
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* @}
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*/
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2008-07-30 09:34:54 -07:00
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#endif
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