src/diff_file.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_file_h__
   8 #define INCLUDE_diff_file_h__
   9
  10 #include "common.h"
  11 #include "diff.h"
  12 #include "diff_driver.h"
  13 #include "map.h"
  14
  15 /* expanded information for one side of a delta */
  16 typedef struct {
  17         git_repository *repo;
  18         git_diff_file *file;
  19         git_diff_driver *driver;
  20         uint32_t flags;
  21         uint32_t opts_flags;
  22         git_off_t opts_max_size;
  23         git_iterator_type_t src;
  24         const git_blob *blob;
  25         git_map map;
  26 } git_diff_file_content;
  27
  28 extern int git_diff_file_content__init_from_diff(
  29         git_diff_file_content *fc,
  30         git_diff *diff,
  31         size_t delta_index,
  32         bool use_old);
  33
  34 typedef struct {
  35         const git_blob *blob;
  36         const void *buf;
  37         size_t buflen;
  38         const char *as_path;
  39 } git_diff_file_content_src;
  40
  41 #define GIT_DIFF_FILE_CONTENT_SRC__BLOB(BLOB,PATH) { (BLOB),NULL,0,(PATH) }
  42 #define GIT_DIFF_FILE_CONTENT_SRC__BUF(BUF,LEN,PATH) { NULL,(BUF),(LEN),(PATH) }
  43
  44 extern int git_diff_file_content__init_from_src(
  45         git_diff_file_content *fc,
  46         git_repository *repo,
  47         const git_diff_options *opts,
  48         const git_diff_file_content_src *src,
  49         git_diff_file *as_file);
  50
  51 /* this loads the blob/file-on-disk as needed */
  52 extern int git_diff_file_content__load(git_diff_file_content *fc);
  53
  54 /* this releases the blob/file-in-memory */
  55 extern void git_diff_file_content__unload(git_diff_file_content *fc);
  56
  57 /* this unloads and also releases any other resources */
  58 extern void git_diff_file_content__clear(git_diff_file_content *fc);
  59
  60 #endif