545 lines
18 KiB
C
545 lines
18 KiB
C
#ifndef _ECORE_DATA_H
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# define _ECORE_DATA_H
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#ifdef EAPI
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#undef EAPI
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#endif
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#ifdef WIN32
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# ifdef BUILDING_DLL
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# define EAPI __declspec(dllexport)
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# else
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# define EAPI __declspec(dllimport)
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# endif
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#else
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# ifdef __GNUC__
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# if __GNUC__ >= 4
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# define EAPI __attribute__ ((visibility("default")))
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# else
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# define EAPI
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# endif
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# else
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# define EAPI
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# endif
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#endif
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/**
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* @file Ecore_Data.h
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* @brief Contains threading, list, hash, debugging and tree functions.
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*/
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# ifdef __cplusplus
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extern "C" {
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# endif
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# ifdef __sgi
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# define __FUNCTION__ "unknown"
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# ifndef __cplusplus
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# define inline
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# endif
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# endif
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EAPI extern const unsigned int ecore_prime_table[];
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typedef void (*Ecore_For_Each) (void *value, void *user_data);
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# define ECORE_FOR_EACH(function) ((Ecore_For_Each)function)
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typedef void (*Ecore_Free_Cb) (void *data);
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# define ECORE_FREE_CB(func) ((Ecore_Free_Cb)func)
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typedef unsigned int (*Ecore_Hash_Cb) (void *key);
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# define ECORE_HASH_CB(function) ((Ecore_Hash_Cb)function)
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typedef int (*Ecore_Compare_Cb) (void *data1, void *data2);
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# define ECORE_COMPARE_CB(function) ((Ecore_Compare_Cb)function)
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# ifdef HAVE_PTHREADS /* pthreads are installed */
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# include <pthread.h>
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# define ECORE_DECLARE_LOCKS \
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struct { \
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int readers; \
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pthread_mutex_t readers_mutex; \
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pthread_mutex_t writers_mutex; \
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pthread_cond_t readers_cond; \
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} locks
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# define ECORE_INIT_LOCKS(structure) \
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if (structure) { \
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structure->readers = 0; \
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pthread_mutex_init(&structure->locks.readers_mutex, NULL); \
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pthread_mutex_init(&structure->locks.writers_mutex, NULL); \
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pthread_cond_init(&structure->locks.readers_cond, NULL); \
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}
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# define ECORE_DESTROY_LOCKS(structure) \
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if (structure) { \
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pthread_mutex_destroy(&structure->locks.readers_mutex); \
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pthread_mutex_destroy(&structure->locks.writers_mutex); \
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pthread_cond_destroy(&structure->readers_cond); \
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}
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# define ECORE_READ_LOCK(structure) \
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if (structure) { \
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pthread_mutex_lock(&structure->locks.readers_mutex); \
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structure->locks.readers++; \
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pthread_mutex_unlock(&structure->locks.readers_mutex); \
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}
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# define ECORE_READ_UNLOCK(structure) \
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if (structure) { \
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pthread_mutex_lock(&structure->locks.readers_mutex); \
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if (--structure->locks.readers == 0) \
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pthread_cond_broadcast(&structure->locks.readers_cond); \
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pthread_mutex_unlock(&structure->locks.readers_mutex); \
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}
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# define ECORE_WRITE_LOCK(structure) \
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if (structure) { \
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pthread_mutex_lock(&structure->locks.readers_mutex); \
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pthread_mutex_lock(&structure->locks.writers_mutex); \
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while (structure->locks.readers > 0) \
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pthread_cond_wait(&structure->locks.readers_cond, \
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&structure->locks.readers_mutex); \
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pthread_mutex_unlock(&structure->locks.readers_mutex); \
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}
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# define ECORE_WRITE_UNLOCK(structure) \
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if (structure) \
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pthread_mutex_unlock(&structure->locks.writers_mutex); \
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# define ECORE_THREAD_CREATE(function, arg) \
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if (function) { \
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pthread_t thread; \
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pthread_create(&thread, NULL, function, arg); \
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pthread_detach(thread); \
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}
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# define ECORE_NO_THREADS(function, arg)
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# else /* No pthreads available */
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# define ECORE_DECLARE_LOCKS
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# define ECORE_INIT_LOCKS(structure)
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# define ECORE_READ_LOCK(structure)
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# define ECORE_READ_UNLOCK(structure)
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# define ECORE_WRITE_LOCK(structure)
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# define ECORE_WRITE_UNLOCK(structure)
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# define ECORE_THREAD_CREATE(function, args)
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# define ECORE_DESTROY_LOCKS(structure)
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# define ECORE_NO_THREADS(function, arg) if (function) function(arg);
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# endif /* HAVE_PTHREADS */
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typedef struct _ecore_list Ecore_List;
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# define ECORE_LIST(list) ((Ecore_List *)list)
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typedef struct _ecore_list_node Ecore_List_Node;
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# define ECORE_LIST_NODE(node) ((Ecore_List_Node *)node)
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struct _ecore_list_node {
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void *data;
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struct _ecore_list_node *next;
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ECORE_DECLARE_LOCKS;
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};
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struct _ecore_list {
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Ecore_List_Node *first; /* The first node in the list */
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Ecore_List_Node *last; /* The last node in the list */
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Ecore_List_Node *current; /* The current node in the list */
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Ecore_Free_Cb free_func; /* The callback to free data in nodes */
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int nodes; /* The number of nodes in the list */
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int index; /* The position from the front of the
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list of current node */
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ECORE_DECLARE_LOCKS;
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};
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EAPI int ecore_direct_compare(void *key1, void *key2);
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EAPI int ecore_str_compare(void *key1, void *key2);
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EAPI unsigned int ecore_direct_hash(void *key);
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EAPI unsigned int ecore_str_hash(void *key);
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/* Creating and initializing new list structures */
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EAPI Ecore_List *ecore_list_new(void);
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EAPI int ecore_list_init(Ecore_List *list);
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/* Adding items to the list */
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EAPI int ecore_list_append(Ecore_List * list, void *_data);
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EAPI int ecore_list_prepend(Ecore_List * list, void *_data);
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EAPI int ecore_list_insert(Ecore_List * list, void *_data);
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/* Removing items from the list */
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EAPI int ecore_list_remove_destroy(Ecore_List *list);
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EAPI void *ecore_list_remove(Ecore_List * list);
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EAPI void *ecore_list_remove_first(Ecore_List * list);
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EAPI void *ecore_list_remove_last(Ecore_List * list);
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/* Retrieve the current position in the list */
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EAPI void *ecore_list_current(Ecore_List * list);
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EAPI int ecore_list_index(Ecore_List * list);
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EAPI int ecore_list_nodes(Ecore_List * list);
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/* Traversing the list */
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EAPI int ecore_list_for_each(Ecore_List *list, Ecore_For_Each function,
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void *user_data);
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EAPI void *ecore_list_goto_first(Ecore_List * list);
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EAPI void *ecore_list_goto_last(Ecore_List * list);
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EAPI void *ecore_list_goto_index(Ecore_List * list, int index);
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EAPI void *ecore_list_goto(Ecore_List * list, void *_data);
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/* Traversing the list and returning data */
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EAPI void *ecore_list_next(Ecore_List * list);
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/* Check to see if there is any data in the list */
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EAPI int ecore_list_is_empty(Ecore_List * list);
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/* Remove every node in the list without freeing the list itself */
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EAPI int ecore_list_clear(Ecore_List * list);
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/* Free the list and it's contents */
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EAPI void ecore_list_destroy(Ecore_List *list);
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/* Creating and initializing list nodes */
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EAPI Ecore_List_Node *ecore_list_node_new(void);
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EAPI int ecore_list_node_init(Ecore_List_Node *newNode);
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/* Destroying nodes */
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EAPI int ecore_list_node_destroy(Ecore_List_Node * _e_node, Ecore_Free_Cb free_func);
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EAPI int ecore_list_set_free_cb(Ecore_List * list, Ecore_Free_Cb free_func);
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typedef Ecore_List Ecore_DList;
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# define ECORE_DLIST(dlist) ((Ecore_DList *)dlist)
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typedef struct _ecore_dlist_node Ecore_DList_Node;
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# define ECORE_DLIST_NODE(dlist) ((Ecore_DList_Node *)dlist)
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struct _ecore_dlist_node {
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Ecore_List_Node single;
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Ecore_DList_Node *previous;
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};
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/* Creating and initializing new list structures */
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EAPI Ecore_DList *ecore_dlist_new(void);
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EAPI int ecore_dlist_init(Ecore_DList *list);
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EAPI void ecore_dlist_destroy(Ecore_DList *list);
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/* Adding items to the list */
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EAPI int ecore_dlist_append(Ecore_DList * _e_dlist, void *_data);
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EAPI int ecore_dlist_prepend(Ecore_DList * _e_dlist, void *_data);
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EAPI int ecore_dlist_insert(Ecore_DList * _e_dlist, void *_data);
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/* Info about list's state */
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EAPI void *ecore_dlist_current(Ecore_DList *list);
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EAPI int ecore_dlist_index(Ecore_DList *list);
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# define ecore_dlist_nodes(list) ecore_list_nodes(ECORE_LIST(list))
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/* Removing items from the list */
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EAPI void *ecore_dlist_remove(Ecore_DList * _e_dlist);
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EAPI void *ecore_dlist_remove_first(Ecore_DList * _e_dlist);
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EAPI int ecore_dlist_remove_destroy(Ecore_DList *list);
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EAPI void *ecore_dlist_remove_last(Ecore_DList * _e_dlist);
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/* Traversing the list */
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# define ecore_dlist_for_each(list, function, user_data) \
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ecore_list_for_each(ECORE_LIST(list), function, user_data)
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EAPI void *ecore_dlist_goto_first(Ecore_DList * _e_dlist);
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EAPI void *ecore_dlist_goto_last(Ecore_DList * _e_dlist);
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EAPI void *ecore_dlist_goto_index(Ecore_DList * _e_dlist, int index);
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EAPI void *ecore_dlist_goto(Ecore_DList * _e_dlist, void *_data);
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/* Traversing the list and returning data */
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EAPI void *ecore_dlist_next(Ecore_DList * list);
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EAPI void *ecore_dlist_previous(Ecore_DList * list);
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/* Check to see if there is any data in the list */
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EAPI int ecore_dlist_is_empty(Ecore_DList * _e_dlist);
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/* Remove every node in the list without free'ing it */
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EAPI int ecore_dlist_clear(Ecore_DList * _e_dlist);
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/* Creating and initializing list nodes */
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EAPI int ecore_dlist_node_init(Ecore_DList_Node * node);
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EAPI Ecore_DList_Node *ecore_dlist_node_new(void);
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/* Destroying nodes */
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EAPI int ecore_dlist_node_destroy(Ecore_DList_Node * node, Ecore_Free_Cb free_func);
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EAPI int ecore_dlist_set_free_cb(Ecore_DList * dlist, Ecore_Free_Cb free_func);
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/*
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* Hash Table Implementation:
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*
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* Traditional hash table implementation. I had tried a list of tables
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* approach to save on the realloc's but it ended up being much slower than
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* the traditional approach.
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*/
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typedef struct _ecore_hash_node Ecore_Hash_Node;
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# define ECORE_HASH_NODE(hash) ((Ecore_Hash_Node *)hash)
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struct _ecore_hash_node {
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Ecore_Hash_Node *next; /* Pointer to the next node in the bucket list */
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void *key; /* The key for the data node */
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void *value; /* The value associated with this node */
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ECORE_DECLARE_LOCKS;
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};
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typedef struct _ecore_hash Ecore_Hash;
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# define ECORE_HASH(hash) ((Ecore_Hash *)hash)
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struct _ecore_hash {
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Ecore_Hash_Node **buckets;
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int size; /* An index into the table of primes to
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determine size */
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int nodes; /* The number of nodes currently in the hash */
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int index; /* The current index into the bucket table */
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Ecore_Compare_Cb compare; /* The function used to compare node values */
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Ecore_Hash_Cb hash_func; /* The function used to compare node values */
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Ecore_Free_Cb free_key; /* The callback function to free key */
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Ecore_Free_Cb free_value; /* The callback function to determine hash */
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ECORE_DECLARE_LOCKS;
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};
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/* Create and initialize a hash */
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EAPI Ecore_Hash *ecore_hash_new(Ecore_Hash_Cb hash_func, Ecore_Compare_Cb compare);
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EAPI int ecore_hash_init(Ecore_Hash *hash, Ecore_Hash_Cb hash_func, Ecore_Compare_Cb compare);
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/* Functions related to freeing the data in the hash table */
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EAPI int ecore_hash_set_free_key(Ecore_Hash *hash, Ecore_Free_Cb function);
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EAPI int ecore_hash_set_free_value(Ecore_Hash *hash, Ecore_Free_Cb function);
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EAPI void ecore_hash_destroy(Ecore_Hash *hash);
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EAPI int ecore_hash_for_each_node(Ecore_Hash *hash, Ecore_For_Each for_each_func,
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void *user_data);
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EAPI Ecore_List *ecore_hash_keys(Ecore_Hash *hash);
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/* Retrieve and store data into the hash */
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EAPI void *ecore_hash_get(Ecore_Hash *hash, void *key);
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EAPI int ecore_hash_set(Ecore_Hash *hash, void *key, void *value);
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EAPI void *ecore_hash_remove(Ecore_Hash *hash, void *key);
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EAPI void ecore_hash_dump_graph(Ecore_Hash *hash);
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typedef struct _ecore_path_group Ecore_Path_Group;
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struct _ecore_path_group
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{
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int id;
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char *name;
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Ecore_List *paths;
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};
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/*
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* Create a new path group
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*/
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EAPI int ecore_path_group_new(char *group_name);
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/*
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* Destroy a previous path group
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*/
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EAPI void ecore_path_group_del(int group_id);
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/*
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* Add a directory to be searched for files
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*/
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EAPI void ecore_path_group_add(int group_id, char *path);
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/*
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* Remove a directory to be searched for files
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*/
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EAPI void ecore_path_group_remove(int group_id, char *path);
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/*
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* Find the absolute path if it exists in the group of paths
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*/
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EAPI char * ecore_path_group_find(int group_id, char *name);
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/*
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* Get a list of all the available files in a path set
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*/
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EAPI Ecore_List * ecore_path_group_available(int group_id);
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typedef struct _ecore_plugin Ecore_Plugin;
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struct _ecore_plugin
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{
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int group;
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char *name;
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void *handle;
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};
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/*
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* Load the specified plugin
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*/
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EAPI Ecore_Plugin *ecore_plugin_load(int group_id, char *plugin);
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/*
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* Unload the specified plugin
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*/
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EAPI void ecore_plugin_unload(Ecore_Plugin * plugin);
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/*
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* Lookup the specified symbol for the plugin
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*/
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EAPI void *ecore_plugin_call(Ecore_Plugin * plugin, char *symbol_name);
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EAPI Ecore_List *ecore_plugin_get_available(int group_id);
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# define ECORE_SHEAP_MIN 0
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# define ECORE_SHEAP_MAX 1
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typedef struct _ecore_heap Ecore_Sheap;
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# define ECORE_HEAP(heap) ((Ecore_Sheap *)heap)
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struct _ecore_heap {
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void **data;
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int size;
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int space;
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char order, sorted;
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/* Callback for comparing node values, default is direct comparison */
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Ecore_Compare_Cb compare;
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/* Callback for freeing node data, default is NULL */
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Ecore_Free_Cb free_func;
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};
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EAPI Ecore_Sheap *ecore_sheap_new(Ecore_Compare_Cb compare, int size);
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EAPI void ecore_sheap_destroy(Ecore_Sheap *heap);
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EAPI int ecore_sheap_init(Ecore_Sheap *heap, Ecore_Compare_Cb compare, int size);
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EAPI int ecore_sheap_set_free_cb(Ecore_Sheap *heap, Ecore_Free_Cb free_func);
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EAPI int ecore_sheap_insert(Ecore_Sheap *heap, void *data);
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EAPI void *ecore_sheap_extract(Ecore_Sheap *heap);
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EAPI void *ecore_sheap_extreme(Ecore_Sheap *heap);
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EAPI int ecore_sheap_change(Ecore_Sheap *heap, void *item, void *newval);
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EAPI int ecore_sheap_set_compare(Ecore_Sheap *heap, Ecore_Compare_Cb compare);
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EAPI void ecore_sheap_set_order(Ecore_Sheap *heap, char order);
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EAPI void ecore_sheap_sort(Ecore_Sheap *heap);
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EAPI void *ecore_sheap_item(Ecore_Sheap *heap, int i);
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typedef struct _ecore_string Ecore_String;
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struct _ecore_string {
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char *string;
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int references;
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};
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EAPI int ecore_string_init(void);
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EAPI void ecore_string_shutdown(void);
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EAPI const char *ecore_string_instance(char *string);
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EAPI void ecore_string_release(const char *string);
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typedef struct _Ecore_Tree_Node Ecore_Tree_Node;
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# define ECORE_TREE_NODE(object) ((Ecore_Tree_Node *)object)
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struct _Ecore_Tree_Node {
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/* The actual data for each node */
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void *key;
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void *value;
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/* Pointers to surrounding nodes */
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Ecore_Tree_Node *parent;
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Ecore_Tree_Node *left_child;
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Ecore_Tree_Node *right_child;
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/* Book keeping information for quicker balancing of the tree */
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int max_right;
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int max_left;
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ECORE_DECLARE_LOCKS;
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};
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typedef struct _Ecore_Tree Ecore_Tree;
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# define ECORE_TREE(object) ((Ecore_Tree *)object)
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struct _Ecore_Tree {
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/* Nodes of the tree */
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Ecore_Tree_Node *tree;
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/* Callback for comparing node values, default is direct comparison */
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Ecore_Compare_Cb compare_func;
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/* Callback for freeing node data, default is NULL */
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Ecore_Free_Cb free_func;
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ECORE_DECLARE_LOCKS;
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};
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/* Some basic tree functions */
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/* Allocate and initialize a new tree */
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EAPI Ecore_Tree *ecore_tree_new(Ecore_Compare_Cb compare_func);
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/* Initialize a new tree */
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EAPI int ecore_tree_init(Ecore_Tree * tree, Ecore_Compare_Cb compare_func);
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/* Free the tree */
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EAPI int ecore_tree_destroy(Ecore_Tree * tree);
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/* Check to see if the tree has any nodes in it */
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EAPI int ecore_tree_is_empty(Ecore_Tree * tree);
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/* Retrieve the value associated with key */
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EAPI void *ecore_tree_get(Ecore_Tree * tree, void *key);
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EAPI Ecore_Tree_Node *ecore_tree_get_node(Ecore_Tree * tree, void *key);
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/* Retrieve the value of node with key greater than or equal to key */
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EAPI void *ecore_tree_get_closest_larger(Ecore_Tree * tree, void *key);
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/* Retrieve the value of node with key less than or equal to key */
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EAPI void *ecore_tree_get_closest_smaller(Ecore_Tree * tree, void *key);
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/* Set the value associated with key to value */
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EAPI int ecore_tree_set(Ecore_Tree * tree, void *key, void *value);
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/* Remove the key from the tree */
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EAPI int ecore_tree_remove(Ecore_Tree * tree, void *key);
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|
|
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/* Add a node to the tree */
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EAPI int ecore_tree_add_node(Ecore_Tree * tree, Ecore_Tree_Node * node);
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/* Remove a node from the tree */
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EAPI int ecore_tree_remove_node(Ecore_Tree * tree, Ecore_Tree_Node * node);
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|
|
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/* For each node in the tree perform the for_each_func function */
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|
/* For this one pass in the node */
|
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EAPI int ecore_tree_for_each_node(Ecore_Tree * tree, Ecore_For_Each for_each_func,
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void *user_data);
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/* And here pass in the node's value */
|
|
EAPI int ecore_tree_for_each_node_value(Ecore_Tree * tree,
|
|
Ecore_For_Each for_each_func,
|
|
void *user_data);
|
|
|
|
/* Some basic node functions */
|
|
/* Initialize a node */
|
|
EAPI int ecore_tree_node_init(Ecore_Tree_Node * new_node);
|
|
/* Allocate and initialize a new node */
|
|
EAPI Ecore_Tree_Node *ecore_tree_node_new(void);
|
|
/* Free the desired node */
|
|
EAPI int ecore_tree_node_destroy(Ecore_Tree_Node * node, Ecore_Free_Cb free_data);
|
|
|
|
/* Set the node's key to key */
|
|
EAPI int ecore_tree_node_key_set(Ecore_Tree_Node * node, void *key);
|
|
/* Retrieve the key in node */
|
|
EAPI void *ecore_tree_node_key_get(Ecore_Tree_Node * node);
|
|
|
|
/* Set the node's value to value */
|
|
EAPI int ecore_tree_node_value_set(Ecore_Tree_Node * node, void *value);
|
|
/* Retrieve the value in node */
|
|
EAPI void *ecore_tree_node_value_get(Ecore_Tree_Node * node);
|
|
|
|
/* Add a function to free the data stored in nodes */
|
|
EAPI int ecore_tree_set_free_cb(Ecore_Tree * tree, Ecore_Free_Cb free_func);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* _ECORE_DATA_H */
|