forked from enlightenment/efl
eina: enhance doxygen in eina_accessor.h
Summary: Add @brief for brief description Add @details for detailed description Add [in] & [out] for parameters Fix indentation & Fix typeof Reviewers: raster, cedric Reviewed By: cedric Subscribers: cedric Differential Revision: https://phab.enlightenment.org/D1580 Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>
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@ -28,7 +28,7 @@
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* @page eina_accessor_example_01_page Eina_Accessor usage
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* @page eina_accessor_example_01_page Eina_Accessor usage
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* @dontinclude eina_accessor_01.c
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* @dontinclude eina_accessor_01.c
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*
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*
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* We start by including necessary headers, declaring variables and
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* We start by including necessary headers, declaring variables, and
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* initializing eina:
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* initializing eina:
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* @skip #include
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* @skip #include
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* @until eina_init
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* @until eina_init
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@ -40,7 +40,7 @@
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* and create an accessor:
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* and create an accessor:
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* @until accessor_new
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* @until accessor_new
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*
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*
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* Once having the accessor we can use it to access certain elements in the
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* Once we have the accessor we can use it to access certain elements in the
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* container:
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* container:
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* @until }
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* @until }
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* @note Unlike iterators accessors allow us non-linear access, which allows us
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* @note Unlike iterators accessors allow us non-linear access, which allows us
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@ -53,19 +53,19 @@
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* Now we create another accessor, this time for the list:
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* Now we create another accessor, this time for the list:
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* @until accessor_new
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* @until accessor_new
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*
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*
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* And now the interesting bit, we use the same code we used above to print
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* And now the interesting part, we use the same code we used above, to print
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* parts of the array to print parts of the list:
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* parts of the array, to print parts of the list:
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* @until }
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* @until }
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*
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*
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* And to free the list we use a gimmick, instead of freeing @a list, we ask the
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* And to free the list we use a gimmick, instead of freeing @a list, we ask the
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* accessor for it's container and free that:
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* accessor for its container and we free that:
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* @until list_free
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* @until list_free
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*
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*
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* Finally we shut eina down and leave:
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* Finally we shut eina down and leave:
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* @until }
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* @until }
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*
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*
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* The full source code can be found on the examples folder
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* The full source code can be found in the examples folder
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* on the @ref eina_accessor_01_c "eina_accessor_01.c" file.
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* in the @ref eina_accessor_01_c "eina_accessor_01.c" file.
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*/
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*/
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/**
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/**
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@ -76,9 +76,10 @@
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*/
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*/
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/**
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/**
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* @addtogroup Eina_Accessor_Group Accessor Functions
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* @defgroup Eina_Accessor_Group Accessor Functions
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* @ingroup Eina_Content_Access_Group
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*
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*
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* @brief These functions manage accessor on containers.
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* @brief This group discusses the functions to manage an accessor on containers.
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*
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*
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* These functions allow to access elements of a container in a
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* These functions allow to access elements of a container in a
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* generic way, without knowing which container is used (a bit like
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* generic way, without knowing which container is used (a bit like
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@ -89,9 +90,9 @@
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* Getting an accessor to access elements of a given container is done through
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* Getting an accessor to access elements of a given container is done through
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* the functions of that particular container. There is no function to create
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* the functions of that particular container. There is no function to create
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* a generic accessor as accessors absolutely depend on the container. This
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* a generic accessor as accessors absolutely depend on the container. This
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* means you won't find accessor creation function here, those can be found on
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* means you won't find an accessor creation function here, those can be found on
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* the documentation of the container type you're using. Though created with
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* the documentation of the container type you're using. Though created with
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* container specific functions accessors are always deleted with the same
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* container specific functions, accessors are always deleted by the same
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* function: eina_accessor_free().
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* function: eina_accessor_free().
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*
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*
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* To get the data of an element at a given
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* To get the data of an element at a given
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@ -99,29 +100,19 @@
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* chosen elements of a container, use eina_accessor_over().
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* chosen elements of a container, use eina_accessor_over().
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*
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*
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* See an example @ref eina_accessor_example_01_page "here".
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* See an example @ref eina_accessor_example_01_page "here".
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*/
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/**
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* @addtogroup Eina_Content_Access_Group Content Access
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*
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* @{
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*/
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/**
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* @defgroup Eina_Accessor_Group Accessor Functions
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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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/**
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/**
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* @typedef Eina_Accessor
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* @typedef Eina_Accessor
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* Abstract type for accessors.
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* @brief Type for a accessor structure.
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*/
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*/
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typedef struct _Eina_Accessor Eina_Accessor;
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typedef struct _Eina_Accessor Eina_Accessor;
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/**
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/**
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* @typedef Eina_Accessor_Get_At_Callback
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* @typedef Eina_Accessor_Get_At_Callback
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* Type for a callback that returns the data of a container as the given index.
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* @brief Type for a callback that returns the data of a container as the given index.
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*/
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*/
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typedef Eina_Bool (*Eina_Accessor_Get_At_Callback)(Eina_Accessor *it,
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typedef Eina_Bool (*Eina_Accessor_Get_At_Callback)(Eina_Accessor *it,
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unsigned int idx,
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unsigned int idx,
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@ -129,47 +120,46 @@ typedef Eina_Bool (*Eina_Accessor_Get_At_Callback)(Eina_Accessor *it,
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/**
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/**
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* @typedef Eina_Accessor_Get_Container_Callback
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* @typedef Eina_Accessor_Get_Container_Callback
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* Type for a callback that returns the container.
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* @brief Type for a callback to return the container of the accessor.
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*/
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*/
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typedef void *(*Eina_Accessor_Get_Container_Callback)(Eina_Accessor *it);
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typedef void *(*Eina_Accessor_Get_Container_Callback)(Eina_Accessor *it);
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/**
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/**
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* @typedef Eina_Accessor_Free_Callback
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* @typedef Eina_Accessor_Free_Callback
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* Type for a callback that frees the container.
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* @brief Type for a callback to free the accessor.
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*/
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*/
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typedef void (*Eina_Accessor_Free_Callback)(Eina_Accessor *it);
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typedef void (*Eina_Accessor_Free_Callback)(Eina_Accessor *it);
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/**
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/**
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* @typedef Eina_Accessor_Lock_Callback
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* @typedef Eina_Accessor_Lock_Callback
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* Type for a callback that lock the container.
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* @brief Type for a callback to lock the accessor.
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*/
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*/
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typedef Eina_Bool (*Eina_Accessor_Lock_Callback)(Eina_Accessor *it);
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typedef Eina_Bool (*Eina_Accessor_Lock_Callback)(Eina_Accessor *it);
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/**
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/**
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* @typedef Eina_Accessor_Clone_Callback
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* @typedef Eina_Accessor_Clone_Callback
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* Type for a callback that returns a clone for the accessor
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* @brief Type for a callback to return a clone for the accessor
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* @since 1.10
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* @since 1.10
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*/
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*/
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typedef Eina_Accessor* (*Eina_Accessor_Clone_Callback)(Eina_Accessor *it);
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typedef Eina_Accessor* (*Eina_Accessor_Clone_Callback)(Eina_Accessor *it);
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/**
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/**
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* @struct _Eina_Accessor
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* @struct _Eina_Accessor
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* Type to provide random access to data structures.
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* @brief Structure to provide random access to data structures.
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*
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*
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* If creating an accessor remember to set the type using @ref EINA_MAGIC_SET.
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* @note When creating an accessor remember to set the type using #EINA_MAGIC_SET
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*
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*/
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*/
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struct _Eina_Accessor
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struct _Eina_Accessor
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{
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{
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#define EINA_ACCESSOR_VERSION 2
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#define EINA_ACCESSOR_VERSION 2
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int version; /**< Version of the Accessor API. */
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int version; /**< Version of the Accessor API */
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Eina_Accessor_Get_At_Callback get_at EINA_ARG_NONNULL(1, 3) EINA_WARN_UNUSED_RESULT; /**< Callback called when a data element is requested. */
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Eina_Accessor_Get_At_Callback get_at EINA_ARG_NONNULL(1, 3) EINA_WARN_UNUSED_RESULT; /**< Callback called when a data element is requested */
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Eina_Accessor_Get_Container_Callback get_container EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT; /**< Callback called when the container is requested. */
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Eina_Accessor_Get_Container_Callback get_container EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT; /**< Callback called when the container is requested */
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Eina_Accessor_Free_Callback free EINA_ARG_NONNULL(1); /**< Callback called when the container is freed. */
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Eina_Accessor_Free_Callback free EINA_ARG_NONNULL(1); /**< Callback called when the container is freed */
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Eina_Accessor_Lock_Callback lock EINA_WARN_UNUSED_RESULT; /**< Callback called when the container is locked. */
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Eina_Accessor_Lock_Callback lock EINA_WARN_UNUSED_RESULT; /**< Callback called when the container is locked */
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Eina_Accessor_Lock_Callback unlock EINA_WARN_UNUSED_RESULT; /**< Callback called when the container is unlocked. */
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Eina_Accessor_Lock_Callback unlock EINA_WARN_UNUSED_RESULT; /**< Callback called when the container is unlocked */
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#define EINA_MAGIC_ACCESSOR 0x98761232
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#define EINA_MAGIC_ACCESSOR 0x98761232
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EINA_MAGIC
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EINA_MAGIC
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@ -179,88 +169,89 @@ struct _Eina_Accessor
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/**
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/**
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* @def FUNC_ACCESSOR_GET_AT(Function)
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* @def FUNC_ACCESSOR_GET_AT(Function)
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* Helper macro to cast @p Function to a Eina_Accessor_Get_At_Callback.
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* @brief Helper macro to cast @a Function to a Eina_Accessor_Get_At_Callback.
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*/
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*/
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#define FUNC_ACCESSOR_GET_AT(Function) ((Eina_Accessor_Get_At_Callback)Function)
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#define FUNC_ACCESSOR_GET_AT(Function) ((Eina_Accessor_Get_At_Callback)Function)
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/**
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/**
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* @def FUNC_ACCESSOR_GET_CONTAINER(Function)
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* @def FUNC_ACCESSOR_GET_CONTAINER(Function)
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* Helper macro to cast @p Function to a Eina_Accessor_Get_Container_Callback.
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* @brief Helper macro to cast @a Function to a Eina_Accessor_Get_Container_Callback.
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*/
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*/
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#define FUNC_ACCESSOR_GET_CONTAINER(Function) ((Eina_Accessor_Get_Container_Callback)Function)
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#define FUNC_ACCESSOR_GET_CONTAINER(Function) ((Eina_Accessor_Get_Container_Callback)Function)
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/**
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/**
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* @def FUNC_ACCESSOR_FREE(Function)
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* @def FUNC_ACCESSOR_FREE(Function)
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* Helper macro to cast @p Function to a Eina_Accessor_Free_Callback.
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* @brief Helper macro to cast @a Function to a Eina_Accessor_Free_Callback.
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*/
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*/
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#define FUNC_ACCESSOR_FREE(Function) ((Eina_Accessor_Free_Callback)Function)
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#define FUNC_ACCESSOR_FREE(Function) ((Eina_Accessor_Free_Callback)Function)
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/**
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/**
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* @def FUNC_ACCESSOR_LOCK(Function)
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* @def FUNC_ACCESSOR_LOCK(Function)
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* Helper macro to cast @p Function to a Eina_Iterator_Lock_Callback.
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* @brief Helper macro to cast @a Function to a Eina_Iterator_Lock_Callback.
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*/
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*/
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#define FUNC_ACCESSOR_LOCK(Function) ((Eina_Accessor_Lock_Callback)Function)
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#define FUNC_ACCESSOR_LOCK(Function) ((Eina_Accessor_Lock_Callback)Function)
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/**
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/**
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* @def FUNC_ACCESSOR_CLONE(Function)
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* @def FUNC_ACCESSOR_CLONE(Function)
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* Helper macro to cast @p Function to a Eina_Iterator_Clone_Callback.
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* @brief Helper macro to cast @p Function to a Eina_Iterator_Clone_Callback.
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* @since 1.10
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* @since 1.10
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*/
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*/
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#define FUNC_ACCESSOR_CLONE(Function) ((Eina_Accessor_Clone_Callback)Function)
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#define FUNC_ACCESSOR_CLONE(Function) ((Eina_Accessor_Clone_Callback)Function)
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/**
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/**
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* @brief Free an accessor.
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* @brief Frees an accessor.
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*
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*
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* @param accessor The accessor to free.
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* @param[in] accessor The accessor to free
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*
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*
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* This function frees @p accessor if it is not @c NULL;
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* @details This function frees @a accessor if it is not @c NULL.
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*/
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*/
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EAPI void eina_accessor_free(Eina_Accessor *accessor);
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EAPI void eina_accessor_free(Eina_Accessor *accessor);
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/**
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/**
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* @brief Retrieve the data of an accessor at a given position.
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* @brief Gets the data of an accessor at the given position.
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*
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*
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* @param accessor The accessor.
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* @param[in] accessor The accessor
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* @param position The position of the element.
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* @param[in] position The position of the element
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* @param data The pointer that stores the data to retrieve.
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* @param[in] data The pointer that stores the data to retrieve
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* @return #EINA_TRUE on success, #EINA_FALSE otherwise.
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* @return #EINA_TRUE on success, otherwise #EINA_FALSE
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*
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* @details This function retrieves the data of the element pointed by
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* @p accessor at the position @p position, and stores it in
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* @p data. If @p accessor is @c NULL or if an error occurs, #EINA_FALSE
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* is returned, otherwise #EINA_TRUE is returned.
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*
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*
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* This function retrieves the data of the element pointed by
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* @p accessor at the porition @p position, and stores it in
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* @p data. If @p accessor is @c NULL or if an error occurred, #EINA_FALSE
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* is returned, otherwise #EINA_TRUE is returned.
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*/
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*/
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EAPI Eina_Bool eina_accessor_data_get(Eina_Accessor *accessor,
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EAPI Eina_Bool eina_accessor_data_get(Eina_Accessor *accessor,
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unsigned int position,
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unsigned int position,
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void **data) EINA_ARG_NONNULL(1);
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void **data) EINA_ARG_NONNULL(1);
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/**
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/**
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* @brief Return the container of an accessor.
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* @brief Gets the container of an accessor.
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*
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*
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* @param accessor The accessor.
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* @param[in] accessor The accessor
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* @return The container which created the accessor.
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* @return The container that created the accessor
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*
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*
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* This function returns the container which created @p accessor. If
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* @details This function returns the container that created @p accessor. If
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* @p accessor is @c NULL, this function returns @c NULL.
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* @p accessor is @c NULL, this function returns @c NULL.
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*/
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*/
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EAPI void *eina_accessor_container_get(Eina_Accessor *accessor) EINA_ARG_NONNULL(1) EINA_PURE;
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EAPI void *eina_accessor_container_get(Eina_Accessor *accessor) EINA_ARG_NONNULL(1) EINA_PURE;
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/**
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/**
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* @brief Iterate over the container and execute a callback on chosen elements.
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* @brief Iterates over the container and executes a callback on the chosen elements.
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*
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*
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* @param accessor The accessor.
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* @param[in] accessor The accessor
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* @param cb The callback called on the chosen elements.
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* @param[in] cb The callback called on the chosen elements
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* @param start The position of the first element.
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* @param[in] start The position of the first element
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* @param end The position of the last element.
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* @param[in] end The position of the last element
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* @param fdata The data passed to the callback.
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* @param[in] fdata The data passed to the callback
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*
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*
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* This function iterates over the elements pointed by @p accessor,
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* @details This function iterates over the elements pointed by @p accessor,
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* starting from the element at position @p start and ending to the
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* starting from the element at position @p start and ending at the
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* element at position @p end. For Each element, the callback
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* element at position @p end. For each element, the callback
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* @p cb is called with the data @p fdata. If @p accessor is @c NULL
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* @p cb is called with the data @p fdata. If @p accessor is @c NULL
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* or if @p start is greter or equal than @p end, the function returns
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* or if @p start is greater than or equal to @p end, the function returns
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* immediately.
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* immediately.
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*/
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*/
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EAPI void eina_accessor_over(Eina_Accessor *accessor,
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EAPI void eina_accessor_over(Eina_Accessor *accessor,
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Eina_Each_Cb cb,
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Eina_Each_Cb cb,
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@ -269,25 +260,25 @@ EAPI void eina_accessor_over(Eina_Accessor *accessor,
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const void *fdata) EINA_ARG_NONNULL(2);
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const void *fdata) EINA_ARG_NONNULL(2);
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/**
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/**
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* @brief Lock the container of the accessor.
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* @brief Locks the container of the accessor.
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*
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*
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* @param accessor The accessor.
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* @param[in] accessor The accessor
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* @return #EINA_TRUE on success, #EINA_FALSE otherwise.
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* @return #EINA_TRUE on success, otherwise #EINA_FALSE
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*
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*
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* If the container of the @p accessor permits it, it will be locked. When a
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* @note If the container of the @p accessor permits it, it is locked. When a
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* container is locked calling eina_accessor_over() on it will return
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* container is locked by calling eina_accessor_over() on it, it returns
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* immediately. If @p accessor is @c NULL or if a problem occurred, #EINA_FALSE
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* immediately. If @p accessor is @c NULL or if a problem occurs, #EINA_FALSE
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* is returned, otherwise #EINA_TRUE is returned. If the container isn't
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* is returned, otherwise #EINA_TRUE is returned. If the container is not
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* lockable, it will return #EINA_TRUE.
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* lockable, it returns #EINA_TRUE.
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*
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*
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* @warning None of the existing eina data structures are lockable.
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* @warnning None of the existing eina data structures are lockable.
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*/
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*/
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EAPI Eina_Bool eina_accessor_lock(Eina_Accessor *accessor) EINA_ARG_NONNULL(1);
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EAPI Eina_Bool eina_accessor_lock(Eina_Accessor *accessor) EINA_ARG_NONNULL(1);
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/**
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/**
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* @brief Clone the accessor.
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* @brief Clones the container of the accessor.
|
||||||
*
|
*
|
||||||
* @param accessor The accessor.
|
* @param[in] accessor The accessor.
|
||||||
* @return Another accessor
|
* @return Another accessor
|
||||||
* @since 1.10
|
* @since 1.10
|
||||||
*/
|
*/
|
||||||
|
@ -296,14 +287,13 @@ EAPI Eina_Accessor* eina_accessor_clone(Eina_Accessor *accessor) EINA_ARG_NONNUL
|
||||||
/**
|
/**
|
||||||
* @brief Unlock the container of the accessor.
|
* @brief Unlock the container of the accessor.
|
||||||
*
|
*
|
||||||
* @param accessor The accessor.
|
* @param[in] accessor The accessor
|
||||||
* @return #EINA_TRUE on success, #EINA_FALSE otherwise.
|
* @return #EINA_TRUE on success, otherwise #EINA_FALSE
|
||||||
*
|
*
|
||||||
* If the container of the @p accessor permits it and was previously
|
* @note If the container of the @p accessor permits it and is previously
|
||||||
* locked, it will be unlocked. If @p accessor is @c NULL or if a
|
* locked, it is unlocked. If @p accessor is @c NULL or if a
|
||||||
* problem occurred, #EINA_FALSE is returned, otherwise #EINA_TRUE
|
* problem occurs, #EINA_FALSE is returned, otherwise #EINA_TRUE
|
||||||
* is returned. If the container is not lockable, it will
|
* is returned. If the container is not lockable, it returns #EINA_TRUE.
|
||||||
* return #EINA_TRUE.
|
|
||||||
*
|
*
|
||||||
* @warning None of the existing eina data structures are lockable.
|
* @warning None of the existing eina data structures are lockable.
|
||||||
*/
|
*/
|
||||||
|
@ -311,17 +301,17 @@ EAPI Eina_Bool eina_accessor_unlock(Eina_Accessor *accessor) EINA_ARG_NONNULL(1)
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @def EINA_ACCESSOR_FOREACH
|
* @def EINA_ACCESSOR_FOREACH
|
||||||
* @brief Macro to iterate over all elements easily.
|
* @brief Helper macro to iterate over all the elements easily.
|
||||||
*
|
*
|
||||||
* @param accessor The accessor to use.
|
* @param accessor The accessor to use
|
||||||
* @param counter A counter used by eina_accessor_data_get() when
|
* @param counter A counter used by eina_accessor_data_get() when
|
||||||
* iterating over the container.
|
* iterating over the container.
|
||||||
* @param data Where to store * data, must be a pointer support getting
|
* @param data A pointer to store the data \n
|
||||||
* its address since * eina_accessor_data_get() requires a pointer to
|
* It must be a pointer to support getting
|
||||||
* pointer!
|
* its address since eina_accessor_data_get() requires a pointer.
|
||||||
*
|
*
|
||||||
* This macro allows a convenient way to loop over all elements in an
|
* @details This macro allows a convenient way to loop over all elements in an
|
||||||
* accessor, very similar to EINA_LIST_FOREACH().
|
* accessor, very similar to EINA_LIST_FOREACH().
|
||||||
*
|
*
|
||||||
* This macro can be used for freeing the data of a list, like in the
|
* This macro can be used for freeing the data of a list, like in the
|
||||||
* following example. It has the same goal as the one documented in
|
* following example. It has the same goal as the one documented in
|
||||||
|
@ -343,20 +333,20 @@ EAPI Eina_Bool eina_accessor_unlock(Eina_Accessor *accessor) EINA_ARG_NONNULL(1)
|
||||||
* eina_list_free(list);
|
* eina_list_free(list);
|
||||||
* @endcode
|
* @endcode
|
||||||
*
|
*
|
||||||
* @note if the datatype provides both iterators and accessors prefer
|
* @note If the data type provides both iterators and accessors, prefer
|
||||||
* to use iterators to iterate over, as they're likely to be more
|
* to use iterators to iterate over, as they're likely to be more
|
||||||
* optimized for such task.
|
* optimized for such a task.
|
||||||
*
|
*
|
||||||
* @note this example is not optimal algorithm to release a list since
|
* @note This example is not an optimal algorithm to release a list as
|
||||||
* it will walk the list twice, but it serves as an example. For
|
* it walks through the list twice, but it serves as an example. For an
|
||||||
* optimized version use EINA_LIST_FREE()
|
* optimized version use EINA_LIST_FREE().
|
||||||
*
|
*
|
||||||
* @warning unless explicitly stated in functions returning accessors,
|
* @warning Unless explicitly stated in the function's returning accessors,
|
||||||
* do not modify the accessed object while you walk it, in this
|
* do not modify the accessed object while you walk through it. In this
|
||||||
* example using lists, do not remove list nodes or you might
|
* example using lists, do not remove list nodes or the program might
|
||||||
* crash! This is not a limitation of accessors themselves,
|
* crash. This is not a limitation of the accessors themselves,
|
||||||
* rather in the accessors implementations to keep them as simple
|
* but a limitation in the accessors implementations to keep them as simple
|
||||||
* and fast as possible.
|
* and fast as possible.
|
||||||
*/
|
*/
|
||||||
#define EINA_ACCESSOR_FOREACH(accessor, counter, data) \
|
#define EINA_ACCESSOR_FOREACH(accessor, counter, data) \
|
||||||
for ((counter) = 0; \
|
for ((counter) = 0; \
|
||||||
|
@ -367,8 +357,4 @@ EAPI Eina_Bool eina_accessor_unlock(Eina_Accessor *accessor) EINA_ARG_NONNULL(1)
|
||||||
* @}
|
* @}
|
||||||
*/
|
*/
|
||||||
|
|
||||||
/**
|
|
||||||
* @}
|
|
||||||
*/
|
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
Loading…
Reference in New Issue