1 files changed, 63 insertions, 0 deletions
diff --git a/src/libgit2/diff_file.h b/src/libgit2/diff_file.h
new file mode 100644
index 000000000..8d743e821
--- /dev/null
+++ b/src/libgit2/diff_file.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_diff_file_h__
+#define INCLUDE_diff_file_h__
+
+#include "common.h"
+
+#include "diff.h"
+#include "diff_driver.h"
+#include "map.h"
+
+/* expanded information for one side of a delta */
+typedef struct {
+	git_repository *repo;
+	git_diff_file *file;
+	git_diff_driver *driver;
+	uint32_t flags;
+	uint32_t opts_flags;
+	git_object_size_t opts_max_size;
+	git_iterator_t src;
+	const git_blob *blob;
+	git_map map;
+} git_diff_file_content;
+
+extern int git_diff_file_content__init_from_diff(
+	git_diff_file_content *fc,
+	git_diff *diff,
+	git_diff_delta *delta,
+	bool use_old);
+
+typedef struct {
+	const git_blob *blob;
+	const void *buf;
+	size_t buflen;
+	const char *as_path;
+} git_diff_file_content_src;
+
+#define GIT_DIFF_FILE_CONTENT_SRC__BLOB(BLOB,PATH) { (BLOB),NULL,0,(PATH) }
+#define GIT_DIFF_FILE_CONTENT_SRC__BUF(BUF,LEN,PATH) { NULL,(BUF),(LEN),(PATH) }
+
+extern int git_diff_file_content__init_from_src(
+	git_diff_file_content *fc,
+	git_repository *repo,
+	const git_diff_options *opts,
+	const git_diff_file_content_src *src,
+	git_diff_file *as_file);
+
+/* this loads the blob/file-on-disk as needed */
+extern int git_diff_file_content__load(
+	git_diff_file_content *fc,
+	git_diff_options *diff_opts);
+
+/* this releases the blob/file-in-memory */
+extern void git_diff_file_content__unload(git_diff_file_content *fc);
+
+/* this unloads and also releases any other resources */
+extern void git_diff_file_content__clear(git_diff_file_content *fc);
+
+#endif