ref-filter: implement '--points-at' option
[git/git.git] / ref-filter.h
1 #ifndef REF_FILTER_H
2 #define REF_FILTER_H
3
4 #include "sha1-array.h"
5 #include "refs.h"
6 #include "commit.h"
7 #include "parse-options.h"
8
9 /* Quoting styles */
10 #define QUOTE_NONE 0
11 #define QUOTE_SHELL 1
12 #define QUOTE_PERL 2
13 #define QUOTE_PYTHON 4
14 #define QUOTE_TCL 8
15
16 #define FILTER_REFS_INCLUDE_BROKEN 0x1
17 #define FILTER_REFS_ALL 0x2
18
19 struct atom_value {
20 const char *s;
21 unsigned long ul; /* used for sorting when not FIELD_STR */
22 };
23
24 struct ref_sorting {
25 struct ref_sorting *next;
26 int atom; /* index into used_atom array (internal) */
27 unsigned reverse : 1;
28 };
29
30 struct ref_array_item {
31 unsigned char objectname[20];
32 int flag;
33 const char *symref;
34 struct atom_value *value;
35 char refname[FLEX_ARRAY];
36 };
37
38 struct ref_array {
39 int nr, alloc;
40 struct ref_array_item **items;
41 };
42
43 struct ref_filter {
44 const char **name_patterns;
45 struct sha1_array points_at;
46 };
47
48 struct ref_filter_cbdata {
49 struct ref_array *array;
50 struct ref_filter *filter;
51 };
52
53 /*
54 * API for filtering a set of refs. Based on the type of refs the user
55 * has requested, we iterate through those refs and apply filters
56 * as per the given ref_filter structure and finally store the
57 * filtered refs in the ref_array structure.
58 */
59 int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type);
60 /* Clear all memory allocated to ref_array */
61 void ref_array_clear(struct ref_array *array);
62 /* Parse format string and sort specifiers */
63 int parse_ref_filter_atom(const char *atom, const char *ep);
64 /* Used to verify if the given format is correct and to parse out the used atoms */
65 int verify_ref_format(const char *format);
66 /* Sort the given ref_array as per the ref_sorting provided */
67 void ref_array_sort(struct ref_sorting *sort, struct ref_array *array);
68 /* Print the ref using the given format and quote_style */
69 void show_ref_array_item(struct ref_array_item *info, const char *format, int quote_style);
70 /* Callback function for parsing the sort option */
71 int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset);
72 /* Default sort option based on refname */
73 struct ref_sorting *ref_default_sorting(void);
74
75 #endif /* REF_FILTER_H */