src/offmap.h

   1 /*
   2  * Copyright (C) 2012 the libgit2 contributors
   3  *
   4  * This file is part of libgit2, distributed under the GNU GPL v2 with
   5  * a Linking Exception. For full terms see the included COPYING file.
   6  */
   7 #ifndef INCLUDE_offmap_h__
   8 #define INCLUDE_offmap_h__
   9
  10 #include "common.h"
  11
  12 #include "git2/types.h"
  13
  14 typedef struct kh_off_s git_offmap;
  15
  16 git_offmap *git_offmap_alloc(void);
  17 void git_offmap_free(git_offmap *map);
  18 void git_offmap_clear(git_offmap *map);
  19
  20 size_t git_offmap_num_entries(git_offmap *map);
  21
  22 size_t git_offmap_lookup_index(git_offmap *map, const git_off_t key);
  23 int git_offmap_valid_index(git_offmap *map, size_t idx);
  24
  25 int git_offmap_exists(git_offmap *map, const git_off_t key);
  26 int git_offmap_has_data(git_offmap *map, size_t idx);
  27
  28 git_off_t git_offmap_key_at(git_offmap *map, size_t idx);
  29 void *git_offmap_value_at(git_offmap *map, size_t idx);
  30 void git_offmap_set_value_at(git_offmap *map, size_t idx, void *value);
  31 void git_offmap_delete_at(git_offmap *map, size_t idx);
  32
  33 int git_offmap_put(git_offmap *map, const git_off_t key, int *err);
  34 void git_offmap_insert(git_offmap *map, const git_off_t key, void *value, int *rval);
  35 void git_offmap_delete(git_offmap *map, const git_off_t key);
  36
  37 size_t git_offmap_begin(git_offmap *map);
  38 size_t git_offmap_end(git_offmap *map);
  39
  40 #define git_offmap_foreach(h, kvar, vvar, code) { size_t __i;                   \
  41         for (__i = git_offmap_begin(h); __i != git_offmap_end(h); ++__i) {      \
  42                 if (!git_offmap_has_data(h,__i)) continue;                      \
  43                 (kvar) = git_offmap_key_at(h,__i);                              \
  44                 (vvar) = git_offmap_value_at(h,__i);                            \
  45                 code;                                                           \
  46         } }
  47
  48 #define git_offmap_foreach_value(h, vvar, code) { size_t __i;                   \
  49         for (__i = git_offmap_begin(h); __i != git_offmap_end(h); ++__i) {      \
  50                 if (!git_offmap_has_data(h,__i)) continue;                      \
  51                 (vvar) = git_offmap_value_at(h,__i);                            \
  52                 code;                                                           \
  53         } }
  54
  55 #endif