src/treestore.h

   1 #ifndef __TREE_STORE_H
   2 #define __TREE_STORE_H
   3
   4 /* Default filenames for the tree */
   5
   6 #ifdef NATIVE_WIN32
   7 #   define MC_TREE "mcn.tre"
   8 #   define MC_TREE_TMP "mcn.tr~"
   9 #else
  10 #   define MC_TREE ".mc/Tree"
  11 #   define MC_TREE_TMP ".mc/Tree.tmp"
  12 #endif
  13
  14 typedef struct tree_entry {
  15         char *name;                     /* The full path of directory */
  16         int sublevel;                   /* Number of parent directories (slashes) */
  17         long submask;                   /* Bitmask of existing sublevels after this entry */
  18         char *subname;                  /* The last part of name (the actual name) */
  19         unsigned int mark:1;            /* Flag: Is this entry marked (e. g. for delete)? */
  20         unsigned int scanned:1;         /* Flag: childs scanned or not */
  21         struct tree_entry *next;        /* Next item in the list */
  22         struct tree_entry *prev;        /* Previous item in the list */
  23 } tree_entry;
  24
  25 typedef struct {
  26         struct tree_entry *base;
  27         struct tree_entry *current;
  28         int base_dir_len;
  29         int sublevel;
  30 } tree_scan;
  31
  32 typedef struct {
  33         tree_entry *tree_first;         /* First entry in the list */
  34         tree_entry *tree_last;          /* Last entry in the list */
  35         tree_entry *check_start;        /* Start of checked subdirectories */
  36         char       *check_name;
  37         GList      *add_queue;          /* List of strings of added directories */
  38         unsigned int loaded : 1;
  39         unsigned int dirty : 1;
  40 } TreeStore;
  41
  42 TreeStore  *tree_store_get             (void);
  43 int         tree_store_load            (void);
  44 int         tree_store_save            (void);
  45 tree_entry *tree_store_add_entry       (char *name);
  46 void        tree_store_remove_entry    (char *name);
  47 tree_entry *tree_store_start_check     (char *path);
  48 tree_entry *tree_store_start_check_cwd (void);
  49 void        tree_store_mark_checked    (const char *subname);
  50 void        tree_store_end_check       (void);
  51 tree_entry *tree_store_whereis         (char *name);
  52 tree_entry *tree_store_rescan          (char *dir);
  53
  54 /*
  55  * Register/unregister notification functions for "entry_remove"
  56  */
  57 typedef void (*tree_store_remove_fn)(tree_entry *tree, void *data);
  58 void        tree_store_add_entry_remove_hook    (tree_store_remove_fn callback, void *data);
  59 void        tree_store_remove_entry_remove_hook (tree_store_remove_fn callback);
  60
  61 #endif /* !__TREE_STORE_H */
  62