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