/** \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 typedef struct tree_entry { char *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) */ unsigned int mark:1; /* Flag: Is this entry marked (e. g. for delete)? */ unsigned int scanned:1; /* 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 */ char *check_name; GList *add_queue; /* List of strings of added directories */ unsigned int loaded:1; unsigned int dirty:1; }; struct TreeStore *tree_store_get (void); int tree_store_load (void); int tree_store_save (void); void tree_store_remove_entry (const char *name); tree_entry *tree_store_start_check (const char *path); void tree_store_mark_checked (const char *subname); void tree_store_end_check (void); tree_entry *tree_store_whereis (const char *name); tree_entry *tree_store_rescan (const char *dir); /* * Register/unregister notification functions for "entry_remove" */ typedef void (*tree_store_remove_fn) (tree_entry *tree, void *data); 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); #endif