1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* Copyright (C) 2009-2012 the libgit2 contributors
*
* 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_output_h__
#define INCLUDE_diff_output_h__
#include "git2/blob.h"
#include "diff.h"
#include "map.h"
#include "xdiff/xdiff.h"
#define MAX_DIFF_FILESIZE 0x20000000
enum {
GIT_DIFF_PATCH_ALLOCATED = (1 << 0),
GIT_DIFF_PATCH_PREPPED = (1 << 1),
GIT_DIFF_PATCH_LOADED = (1 << 2),
GIT_DIFF_PATCH_DIFFABLE = (1 << 3),
GIT_DIFF_PATCH_DIFFED = (1 << 4),
};
/* context for performing diffs */
typedef struct {
git_repository *repo;
git_diff_list *diff;
const git_diff_options *opts;
git_diff_file_cb file_cb;
git_diff_hunk_cb hunk_cb;
git_diff_data_cb data_cb;
void *payload;
int error;
git_diff_range range;
xdemitconf_t xdiff_config;
xpparam_t xdiff_params;
} diff_context;
/* cached information about a single span in a diff */
typedef struct diff_patch_line diff_patch_line;
struct diff_patch_line {
const char *ptr;
size_t len;
int lines, oldno, newno;
char origin;
};
/* cached information about a hunk in a diff */
typedef struct diff_patch_hunk diff_patch_hunk;
struct diff_patch_hunk {
git_diff_range range;
char header[128];
size_t header_len;
size_t line_start;
size_t line_count;
};
struct git_diff_patch {
git_refcount rc;
git_diff_list *diff; /* for refcount purposes, maybe NULL for blob diffs */
git_diff_delta *delta;
diff_context *ctxt; /* only valid while generating patch */
git_iterator_type_t old_src;
git_iterator_type_t new_src;
git_blob *old_blob;
git_blob *new_blob;
git_map old_data;
git_map new_data;
uint32_t flags;
diff_patch_hunk *hunks;
size_t hunks_asize, hunks_size;
diff_patch_line *lines;
size_t lines_asize, lines_size;
};
/* context for performing diff on a single delta */
typedef struct {
git_diff_patch *patch;
uint32_t prepped : 1;
uint32_t loaded : 1;
uint32_t diffable : 1;
uint32_t diffed : 1;
} diff_delta_context;
extern int git_diff__paired_foreach(
git_diff_list *idx2head,
git_diff_list *wd2idx,
int (*cb)(git_diff_delta *i2h, git_diff_delta *w2i, void *payload),
void *payload);
#endif
|
