src/patch.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_patch_h__
   8 #define INCLUDE_patch_h__
   9
  10 #include "git2/patch.h"
  11 #include "array.h"
  12
  13 /* cached information about a hunk in a patch */
  14 typedef struct git_patch_hunk {
  15         git_diff_hunk hunk;
  16         size_t line_start;
  17         size_t line_count;
  18 } git_patch_hunk;
  19
  20 struct git_patch {
  21         git_refcount rc;
  22
  23         git_repository *repo; /* may be null */
  24
  25         git_diff_options diff_opts;
  26
  27         git_diff_delta *delta;
  28         git_diff_binary binary;
  29         git_array_t(git_patch_hunk) hunks;
  30         git_array_t(git_diff_line) lines;
  31
  32         size_t header_size;
  33         size_t content_size;
  34         size_t context_size;
  35
  36         void (*free_fn)(git_patch *patch);
  37 };
  38
  39 extern int git_patch__invoke_callbacks(
  40         git_patch *patch,
  41         git_diff_file_cb file_cb,
  42         git_diff_binary_cb binary_cb,
  43         git_diff_hunk_cb hunk_cb,
  44         git_diff_line_cb line_cb,
  45         void *payload);
  46
  47 extern int git_patch_line_stats(
  48         size_t *total_ctxt,
  49         size_t *total_adds,
  50         size_t *total_dels,
  51         const git_patch *patch);
  52
  53 /** Options for parsing patch files. */
  54 typedef struct {
  55         /**
  56          * The length of the prefix (in path segments) for the filenames.
  57          * This prefix will be removed when looking for files.  The default is 1.
  58          */
  59         uint32_t prefix_len;
  60 } git_patch_options;
  61
  62 #define GIT_PATCH_OPTIONS_INIT { 1 }
  63
  64 extern void git_patch_free(git_patch *patch);
  65
  66 #endif