src/libgit2/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
  12 #include "diff.h"
  13 #include "diff_driver.h"
  14 #include "map.h"
  15
  16 /* expanded information for one side of a delta */
  17 typedef struct {
  18         git_repository *repo;
  19         git_diff_file *file;
  20         git_diff_driver *driver;
  21         uint32_t flags;
  22         uint32_t opts_flags;
  23         git_object_size_t opts_max_size;
  24         git_iterator_t src;
  25         const git_blob *blob;
  26         git_map map;
  27 } git_diff_file_content;
  28
  29 extern int git_diff_file_content__init_from_diff(
  30         git_diff_file_content *fc,
  31         git_diff *diff,
  32         git_diff_delta *delta,
  33         bool use_old);
  34
  35 typedef struct {
  36         const git_blob *blob;
  37         const void *buf;
  38         size_t buflen;
  39         const char *as_path;
  40 } git_diff_file_content_src;
  41
  42 #define GIT_DIFF_FILE_CONTENT_SRC__BLOB(BLOB,PATH) { (BLOB),NULL,0,(PATH) }
  43 #define GIT_DIFF_FILE_CONTENT_SRC__BUF(BUF,LEN,PATH) { NULL,(BUF),(LEN),(PATH) }
  44
  45 extern int git_diff_file_content__init_from_src(
  46         git_diff_file_content *fc,
  47         git_repository *repo,
  48         const git_diff_options *opts,
  49         const git_diff_file_content_src *src,
  50         git_diff_file *as_file);
  51
  52 /* this loads the blob/file-on-disk as needed */
  53 extern int git_diff_file_content__load(
  54         git_diff_file_content *fc,
  55         git_diff_options *diff_opts);
  56
  57 /* this releases the blob/file-in-memory */
  58 extern void git_diff_file_content__unload(git_diff_file_content *fc);
  59
  60 /* this unloads and also releases any other resources */
  61 extern void git_diff_file_content__clear(git_diff_file_content *fc);
  62
  63 #endif