#include "eina_iterator.h"
/**
+ * @addtogroup Eina_Rbtree_Group Red-Black tree
+ *
+ * @brief These functions provide Red-Black trees management.
+ *
+ * For a brief description look at http://en.wikipedia.org/wiki/Red-black_tree .
+ * This code is largely inspired from a tutorial written by Julienne Walker at :
+ * http://eternallyconfuzzled.com/tuts/datastructures/jsw_tut_rbtree.aspx . The
+ * main difference is that this set of function never allocate any data, making
+ * them particularly useful for memory management.
+ *
+ * @{
+ */
+
+/**
* @addtogroup Eina_Data_Types_Group Data Types
*
* @{
*/
#define EINA_RBTREE_FREE_CB(Function) ((Eina_Rbtree_Free_Cb)Function)
+
+/**
+ * @brief Insert a new node inside an existing red black tree.
+ *
+ * @param root The root of an exisiting valid red black tree.
+ * @param node The new node to insert.
+ * @param cmp The callback that is able to compare two nodes.
+ * @param data Private data to help the compare function.
+ * @return The new root of the red black tree.
+ *
+ * This function insert a new node in a valid red black tree. NULL is
+ * an empty valid red black tree. The resulting new tree is a valid red
+ * black tree. This function doesn't allocate any data.
+ */
EAPI Eina_Rbtree *eina_rbtree_inline_insert(Eina_Rbtree *root, Eina_Rbtree *node, Eina_Rbtree_Cmp_Node_Cb cmp, const void *data) EINA_ARG_NONNULL(2, 3) EINA_WARN_UNUSED_RESULT;
+
+/**
+ * @brief Remove a node from an existing red black tree.
+ *
+ * @param root The root of a valid red black tree.
+ * @param node The node to remove from the tree.
+ * @param cmp The callback that is able to compare two nodes.
+ * @param data Private data to help the compare function.
+ * @return The new root of the red black tree.
+ *
+ * This function remove a new node in a valid red black tree that should
+ * contain the node that you are removing. This function will return NULL
+ * when the red black tree got empty. This function doesn't free any data.
+ */
EAPI Eina_Rbtree *eina_rbtree_inline_remove(Eina_Rbtree *root, Eina_Rbtree *node, Eina_Rbtree_Cmp_Node_Cb cmp, const void *data) EINA_ARG_NONNULL(2, 3) EINA_WARN_UNUSED_RESULT;
+
+/**
+ * @brief Delete all nodes from a valid red black tree.
+ *
+ * @param root The root of a valid red black tree.
+ * @param func The callback that will free each node.
+ * @param data Private data to help the compare function.
+ *
+ */
EAPI void eina_rbtree_delete(Eina_Rbtree *root, Eina_Rbtree_Free_Cb func, void *data) EINA_ARG_NONNULL(2);
static inline Eina_Rbtree *eina_rbtree_inline_lookup(const Eina_Rbtree *root, const void *key, int length, Eina_Rbtree_Cmp_Key_Cb cmp, const void *data) EINA_PURE EINA_ARG_NONNULL(2, 4) EINA_WARN_UNUSED_RESULT;
+
+/**
+ * @brief Returned a new prefix iterator associated to a rbtree.
+ *
+ * @param root The root of rbtree.
+ * @return A new iterator.
+ *
+ * This function returns a newly allocated iterator associated to @p
+ * root. It will iterate the tree using prefix walk. If @p root is @c
+ * NULL, this function still returns a valid iterator that will always
+ * return false on eina_iterator_next(), thus keeping API sane.
+ *
+ * If the memory can not be allocated, NULL is returned and
+ * #EINA_ERROR_OUT_OF_MEMORY is set. Otherwise, a valid iterator is
+ * returned.
+ *
+ * @warning if the rbtree structure changes then the iterator becomes
+ * invalid! That is, if you add or remove nodes this iterator
+ * behavior is undefined and your program may crash!
+ */
EAPI Eina_Iterator *eina_rbtree_iterator_prefix(const Eina_Rbtree *root) EINA_MALLOC EINA_WARN_UNUSED_RESULT;
+
+/**
+ * @brief Returned a new prefix iterator associated to a rbtree.
+ *
+ * @param root The root of rbtree.
+ * @return A new iterator.
+ *
+ * This function returns a newly allocated iterator associated to @p
+ * root. It will iterate the tree using infix walk. If @p root is @c
+ * NULL, this function still returns a valid iterator that will always
+ * return false on eina_iterator_next(), thus keeping API sane.
+ *
+ * If the memory can not be allocated, NULL is returned and
+ * #EINA_ERROR_OUT_OF_MEMORY is set. Otherwise, a valid iterator is
+ * returned.
+ *
+ * @warning if the rbtree structure changes then the iterator becomes
+ * invalid! That is, if you add or remove nodes this iterator
+ * behavior is undefined and your program may crash!
+ */
EAPI Eina_Iterator *eina_rbtree_iterator_infix(const Eina_Rbtree *root) EINA_MALLOC EINA_WARN_UNUSED_RESULT;
+
+/**
+ * @brief Returned a new prefix iterator associated to a rbtree.
+ *
+ * @param root The root of rbtree.
+ * @return A new iterator.
+ *
+ * This function returns a newly allocated iterator associated to @p
+ * root. It will iterate the tree using postfix walk. If @p root is @c
+ * NULL, this function still returns a valid iterator that will always
+ * return false on eina_iterator_next(), thus keeping API sane.
+ *
+ * If the memory can not be allocated, NULL is returned and
+ * #EINA_ERROR_OUT_OF_MEMORY is set. Otherwise, a valid iterator is
+ * returned.
+ *
+ * @warning if the rbtree structure changes then the iterator becomes
+ * invalid! That is, if you add or remove nodes this iterator
+ * behavior is undefined and your program may crash!
+ */
EAPI Eina_Iterator *eina_rbtree_iterator_postfix(const Eina_Rbtree *root) EINA_MALLOC EINA_WARN_UNUSED_RESULT;
#include "eina_inline_rbtree.x"
* @}
*/
+/**
+ * @}
+ */
+
#endif
* API *
*============================================================================*/
-/**
- * @addtogroup Eina_Rbtree_Group Red-Black tree
- *
- * @brief These functions provide Red-Black trees management.
- *
- * For a brief description look at http://en.wikipedia.org/wiki/Red-black_tree .
- * This code is largely inspired from a tutorial written by Julienne Walker at :
- * http://eternallyconfuzzled.com/tuts/datastructures/jsw_tut_rbtree.aspx . The
- * main difference is that this set of function never allocate any data, making
- * them particularly useful for memory management.
- *
- * @{
- */
-
-/**
- * @brief Insert a new node inside an existing red black tree.
- *
- * @param root The root of an exisiting valid red black tree.
- * @param node The new node to insert.
- * @param cmp The callback that is able to compare two nodes.
- * @param data Private data to help the compare function.
- * @return The new root of the red black tree.
- *
- * This function insert a new node in a valid red black tree. NULL is
- * an empty valid red black tree. The resulting new tree is a valid red
- * black tree. This function doesn't allocate any data.
- */
EAPI Eina_Rbtree *
eina_rbtree_inline_insert(Eina_Rbtree *root,
Eina_Rbtree *node,
return root;
}
-/**
- * @brief Remove a node from an existing red black tree.
- *
- * @param root The root of a valid red black tree.
- * @param node The node to remove from the tree.
- * @param cmp The callback that is able to compare two nodes.
- * @param data Private data to help the compare function.
- * @return The new root of the red black tree.
- *
- * This function remove a new node in a valid red black tree that should
- * contain the node that you are removing. This function will return NULL
- * when the red black tree got empty. This function doesn't free any data.
- */
EAPI Eina_Rbtree *
eina_rbtree_inline_remove(Eina_Rbtree *root,
Eina_Rbtree *node,
return root;
}
-/**
- * @brief Returned a new prefix iterator associated to a rbtree.
- *
- * @param root The root of rbtree.
- * @return A new iterator.
- *
- * This function returns a newly allocated iterator associated to @p
- * root. It will iterate the tree using prefix walk. If @p root is @c
- * NULL, this function still returns a valid iterator that will always
- * return false on eina_iterator_next(), thus keeping API sane.
- *
- * If the memory can not be allocated, NULL is returned and
- * #EINA_ERROR_OUT_OF_MEMORY is set. Otherwise, a valid iterator is
- * returned.
- *
- * @warning if the rbtree structure changes then the iterator becomes
- * invalid! That is, if you add or remove nodes this iterator
- * behavior is undefined and your program may crash!
- */
EAPI Eina_Iterator *
eina_rbtree_iterator_prefix(const Eina_Rbtree *root)
{
return _eina_rbtree_iterator_build(root, EINA_RBTREE_ITERATOR_PREFIX_MASK);
}
-/**
- * @brief Returned a new prefix iterator associated to a rbtree.
- *
- * @param root The root of rbtree.
- * @return A new iterator.
- *
- * This function returns a newly allocated iterator associated to @p
- * root. It will iterate the tree using infix walk. If @p root is @c
- * NULL, this function still returns a valid iterator that will always
- * return false on eina_iterator_next(), thus keeping API sane.
- *
- * If the memory can not be allocated, NULL is returned and
- * #EINA_ERROR_OUT_OF_MEMORY is set. Otherwise, a valid iterator is
- * returned.
- *
- * @warning if the rbtree structure changes then the iterator becomes
- * invalid! That is, if you add or remove nodes this iterator
- * behavior is undefined and your program may crash!
- */
EAPI Eina_Iterator *
eina_rbtree_iterator_infix(const Eina_Rbtree *root)
{
return _eina_rbtree_iterator_build(root, EINA_RBTREE_ITERATOR_INFIX_MASK);
}
-/**
- * @brief Returned a new prefix iterator associated to a rbtree.
- *
- * @param root The root of rbtree.
- * @return A new iterator.
- *
- * This function returns a newly allocated iterator associated to @p
- * root. It will iterate the tree using postfix walk. If @p root is @c
- * NULL, this function still returns a valid iterator that will always
- * return false on eina_iterator_next(), thus keeping API sane.
- *
- * If the memory can not be allocated, NULL is returned and
- * #EINA_ERROR_OUT_OF_MEMORY is set. Otherwise, a valid iterator is
- * returned.
- *
- * @warning if the rbtree structure changes then the iterator becomes
- * invalid! That is, if you add or remove nodes this iterator
- * behavior is undefined and your program may crash!
- */
EAPI Eina_Iterator *
eina_rbtree_iterator_postfix(const Eina_Rbtree *root)
{
return _eina_rbtree_iterator_build(root, EINA_RBTREE_ITERATOR_POSTFIX_MASK);
}
-/**
- * @brief Delete all nodes from a valid red black tree.
- *
- * @param root The root of a valid red black tree.
- * @param func The callback that will free each node.
- * @param data Private data to help the compare function.
- *
- */
EAPI void
eina_rbtree_delete(Eina_Rbtree *root, Eina_Rbtree_Free_Cb func, void *data)
{
eina_rbtree_delete(root->son[1], func, data);
func(root, data);
}
-
-/**
- * @}
- */
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