src/treestore.h

   1 #ifndef MC_TREE_STORE_H
   2 #define MC_TREE_STORE_H
   3
   4 /* Default filenames for the tree */
   5
   6 #define MC_TREE ".mc/Tree"
   7 #define MC_TREE_TMP ".mc/Tree.tmp"
   8
   9 typedef struct tree_entry {
  10     char *name;                 /* The full path of directory */
  11     int sublevel;               /* Number of parent directories (slashes) */
  12     long submask;               /* Bitmask of existing sublevels after this entry */
  13     const char *subname;                /* The last part of name (the actual name) */
  14     unsigned int mark:1;        /* Flag: Is this entry marked (e. g. for delete)? */
  15     unsigned int scanned:1;     /* Flag: childs scanned or not */
  16     struct tree_entry *next;    /* Next item in the list */
  17     struct tree_entry *prev;    /* Previous item in the list */
  18 } tree_entry;
  19
  20 struct TreeStore {
  21     tree_entry *tree_first;     /* First entry in the list */
  22     tree_entry *tree_last;      /* Last entry in the list */
  23     tree_entry *check_start;    /* Start of checked subdirectories */
  24     char *check_name;
  25     GList *add_queue;           /* List of strings of added directories */
  26     unsigned int loaded:1;
  27     unsigned int dirty:1;
  28 };
  29
  30 struct TreeStore *tree_store_get (void);
  31 int tree_store_load (void);
  32 int tree_store_save (void);
  33 void tree_store_remove_entry (const char *name);
  34 tree_entry *tree_store_start_check (const char *path);
  35 void tree_store_mark_checked (const char *subname);
  36 void tree_store_end_check (void);
  37 tree_entry *tree_store_whereis (const char *name);
  38 tree_entry *tree_store_rescan (const char *dir);
  39
  40 /*
  41  * Register/unregister notification functions for "entry_remove"
  42  */
  43 typedef void (*tree_store_remove_fn) (tree_entry *tree, void *data);
  44 void tree_store_add_entry_remove_hook (tree_store_remove_fn callback,
  45                                        void *data);
  46 void tree_store_remove_entry_remove_hook (tree_store_remove_fn callback);
  47
  48 #endif