cache.h: hex2chr() - avoid -Wsign-compare warnings
[git/git.git] / line-log.h
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1#ifndef LINE_LOG_H
2#define LINE_LOG_H
3
4#include "diffcore.h"
5
6struct rev_info;
7struct commit;
8
9/* A range [start,end]. Lines are numbered starting at 0, and the
10 * ranges include start but exclude end. */
11struct range {
12 long start, end;
13};
14
15/* A set of ranges. The ranges must always be disjoint and sorted. */
16struct range_set {
17 int alloc, nr;
18 struct range *ranges;
19};
20
21/* A diff, encoded as the set of pre- and post-image ranges where the
22 * files differ. A pair of ranges corresponds to a hunk. */
23struct diff_ranges {
24 struct range_set parent;
25 struct range_set target;
26};
27
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28extern void range_set_init(struct range_set *, size_t prealloc);
29extern void range_set_release(struct range_set *);
30/* Range includes start; excludes end */
31extern void range_set_append_unsafe(struct range_set *, long start, long end);
32/* New range must begin at or after end of last added range */
33extern void range_set_append(struct range_set *, long start, long end);
34/*
35 * In-place pass of sorting and merging the ranges in the range set,
36 * to sort and make the ranges disjoint.
37 */
38extern void sort_and_merge_range_set(struct range_set *);
39
12da1d1f 40/* Linked list of interesting files and their associated ranges. The
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41 * list must be kept sorted by path.
42 *
43 * For simplicity, even though this is highly redundant, each
44 * line_log_data owns its 'path'.
45 */
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46struct line_log_data {
47 struct line_log_data *next;
31c61918 48 char *path;
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49 char status;
50 struct range_set ranges;
51 int arg_alloc, arg_nr;
52 const char **args;
53 struct diff_filepair *pair;
54 struct diff_ranges diff;
55};
56
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57extern void line_log_init(struct rev_info *rev, const char *prefix, struct string_list *args);
58
59extern int line_log_filter(struct rev_info *rev);
60
61extern int line_log_print(struct rev_info *rev, struct commit *commit);
62
63#endif /* LINE_LOG_H */