Andrew's git - gitweb.git/blob

   1#ifndef TREE_WALK_H
   2#define TREE_WALK_H
   3
   4struct name_entry {
   5        const unsigned char *sha1;
   6        const char *path;
   7        unsigned int mode;
   8};
   9
  10static inline enum object_type object_type(unsigned int mode)
  11{
  12        return S_ISDIR(mode) ? OBJ_TREE :
  13                S_ISGITLINK(mode) ? OBJ_COMMIT :
  14                OBJ_BLOB;
  15}
  16
  17struct tree_desc {
  18        const void *buffer;
  19        struct name_entry entry;
  20        unsigned int size;
  21};
  22
  23static inline const unsigned char *tree_entry_extract(struct tree_desc *desc, const char **pathp, unsigned int *modep)
  24{
  25        *pathp = desc->entry.path;
  26        *modep = canon_mode(desc->entry.mode);
  27        return desc->entry.sha1;
  28}
  29
  30static inline int tree_entry_len(const char *name, const unsigned char *sha1)
  31{
  32        return (const char *)sha1 - name - 1;
  33}
  34
  35void update_tree_entry(struct tree_desc *);
  36void init_tree_desc(struct tree_desc *desc, const void *buf, unsigned long size);
  37
  38/* Helper function that does both of the above and returns true for success */
  39int tree_entry(struct tree_desc *, struct name_entry *);
  40
  41void *fill_tree_descriptor(struct tree_desc *desc, const unsigned char *sha1);
  42
  43typedef void (*traverse_callback_t)(int n, unsigned long mask, struct name_entry *entry, const char *base);
  44
  45void traverse_trees(int n, struct tree_desc *t, const char *base, traverse_callback_t callback);
  46
  47int get_tree_entry(const unsigned char *, const char *, unsigned char *, unsigned *);
  48
  49#endif