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/** \file treestore.h
* \brief Header: tree store
*
* Contains a storage of the file system tree representation.
*/
#ifndef MC__TREE_STORE_H
#define MC__TREE_STORE_H
/*** typedefs(not structures) and defined constants **********************************************/
/*
* Register/unregister notification functions for "entry_remove"
*/
struct tree_entry;
typedef void (*tree_store_remove_fn) (struct tree_entry * tree, void *data);
/*** enums ***************************************************************************************/
/*** structures declarations (and typedefs of structures)*****************************************/
typedef struct tree_entry
{
vfs_path_t *name; /* The full path of directory */
int sublevel; /* Number of parent directories (slashes) */
long submask; /* Bitmask of existing sublevels after this entry */
const char *subname; /* The last part of name (the actual name) */
gboolean mark; /* Flag: Is this entry marked (e. g. for delete)? */
gboolean scanned; /* Flag: childs scanned or not */
struct tree_entry *next; /* Next item in the list */
struct tree_entry *prev; /* Previous item in the list */
} tree_entry;
struct TreeStore
{
tree_entry *tree_first; /* First entry in the list */
tree_entry *tree_last; /* Last entry in the list */
tree_entry *check_start; /* Start of checked subdirectories */
vfs_path_t *check_name;
GList *add_queue_vpath; /* List of vfs_path_t objects of added directories */
gboolean loaded;
gboolean dirty;
};
/*** global variables defined in .c file *********************************************************/
/*** declarations of public functions ************************************************************/
struct TreeStore *tree_store_get (void);
int tree_store_load (void);
int tree_store_save (void);
void tree_store_remove_entry (const vfs_path_t * name_vpath);
tree_entry *tree_store_start_check (const vfs_path_t * vpath);
void tree_store_mark_checked (const char *subname);
void tree_store_end_check (void);
tree_entry *tree_store_whereis (const vfs_path_t * name);
tree_entry *tree_store_rescan (const vfs_path_t * vpath);
void tree_store_add_entry_remove_hook (tree_store_remove_fn callback, void *data);
void tree_store_remove_entry_remove_hook (tree_store_remove_fn callback);
/*** inline functions ****************************************************************************/
#endif /* MC__TREE_STORE_H */
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