src/diff.h

   1 /*
   2  * Copyright (C) the libgit2 contributors. All rights reserved.
   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_diff_h__
   8 #define INCLUDE_diff_h__
   9
  10 #include "git2/diff.h"
  11 #include "git2/sys/diff.h"
  12 #include "git2/oid.h"
  13
  14 #include <stdio.h>
  15 #include "vector.h"
  16 #include "buffer.h"
  17 #include "iterator.h"
  18 #include "repository.h"
  19 #include "pool.h"
  20 #include "odb.h"
  21
  22 #define DIFF_OLD_PREFIX_DEFAULT "a/"
  23 #define DIFF_NEW_PREFIX_DEFAULT "b/"
  24
  25 typedef enum {
  26         GIT_DIFF_TYPE_UNKNOWN = 0,
  27         GIT_DIFF_TYPE_GENERATED = 1,
  28         GIT_DIFF_TYPE_PARSED = 2,
  29 } git_diff_origin_t;
  30
  31 struct git_diff {
  32         git_refcount     rc;
  33         git_repository   *repo;
  34         git_diff_origin_t type;
  35         git_diff_options opts;
  36         git_vector       deltas;    /* vector of git_diff_delta */
  37         git_pool pool;
  38         git_iterator_type_t old_src;
  39         git_iterator_type_t new_src;
  40         git_diff_perfdata perf;
  41
  42         int (*strcomp)(const char *, const char *);
  43         int (*strncomp)(const char *, const char *, size_t);
  44         int (*pfxcomp)(const char *str, const char *pfx);
  45         int (*entrycomp)(const void *a, const void *b);
  46
  47         void (*free_fn)(git_diff *diff);
  48 };
  49
  50 extern int git_diff_delta__format_file_header(
  51         git_buf *out,
  52         const git_diff_delta *delta,
  53         const char *oldpfx,
  54         const char *newpfx,
  55         int oid_strlen);
  56
  57 extern int git_diff_delta__cmp(const void *a, const void *b);
  58 extern int git_diff_delta__casecmp(const void *a, const void *b);
  59
  60 extern int git_diff__entry_cmp(const void *a, const void *b);
  61 extern int git_diff__entry_icmp(const void *a, const void *b);
  62
  63 #endif
  64