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 "common.h"
  11
  12 #include "git2/diff.h"
  13 #include "git2/patch.h"
  14 #include "git2/sys/diff.h"
  15 #include "git2/oid.h"
  16
  17 #include <stdio.h>
  18 #include "vector.h"
  19 #include "buffer.h"
  20 #include "iterator.h"
  21 #include "repository.h"
  22 #include "pool.h"
  23 #include "odb.h"
  24
  25 #define DIFF_OLD_PREFIX_DEFAULT "a/"
  26 #define DIFF_NEW_PREFIX_DEFAULT "b/"
  27
  28 typedef enum {
  29         GIT_DIFF_TYPE_UNKNOWN = 0,
  30         GIT_DIFF_TYPE_GENERATED = 1,
  31         GIT_DIFF_TYPE_PARSED = 2,
  32 } git_diff_origin_t;
  33
  34 struct git_diff {
  35         git_refcount     rc;
  36         git_repository   *repo;
  37         git_attr_session attrsession;
  38         git_diff_origin_t type;
  39         git_diff_options opts;
  40         git_vector       deltas;    /* vector of git_diff_delta */
  41         git_pool pool;
  42         git_iterator_t old_src;
  43         git_iterator_t new_src;
  44         git_diff_perfdata perf;
  45
  46         int (*strcomp)(const char *, const char *);
  47         int (*strncomp)(const char *, const char *, size_t);
  48         int (*pfxcomp)(const char *str, const char *pfx);
  49         int (*entrycomp)(const void *a, const void *b);
  50
  51         int (*patch_fn)(git_patch **out, git_diff *diff, size_t idx);
  52         void (*free_fn)(git_diff *diff);
  53 };
  54
  55 extern int git_diff_delta__format_file_header(
  56         git_buf *out,
  57         const git_diff_delta *delta,
  58         const char *oldpfx,
  59         const char *newpfx,
  60         int oid_strlen,
  61         bool print_index);
  62
  63 extern int git_diff_delta__cmp(const void *a, const void *b);
  64 extern int git_diff_delta__casecmp(const void *a, const void *b);
  65
  66 extern int git_diff__entry_cmp(const void *a, const void *b);
  67 extern int git_diff__entry_icmp(const void *a, const void *b);
  68
  69 #endif