for-each-ref: add '--points-at' option
[git/git.git] / ref-filter.h
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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
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16#define FILTER_REFS_INCLUDE_BROKEN 0x1
17#define FILTER_REFS_ALL 0x2
18
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19struct atom_value {
20 const char *s;
21 unsigned long ul; /* used for sorting when not FIELD_STR */
22};
23
24struct ref_sorting {
25 struct ref_sorting *next;
26 int atom; /* index into used_atom array (internal) */
27 unsigned reverse : 1;
28};
29
30struct ref_array_item {
31 unsigned char objectname[20];
32 int flag;
33 const char *symref;
34 struct atom_value *value;
1958a6eb 35 char refname[FLEX_ARRAY];
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36};
37
38struct ref_array {
39 int nr, alloc;
40 struct ref_array_item **items;
41};
42
43struct ref_filter {
44 const char **name_patterns;
68411046 45 struct sha1_array points_at;
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46};
47
48struct ref_filter_cbdata {
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49 struct ref_array *array;
50 struct ref_filter *filter;
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51};
52
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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 */
59int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type);
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60/* Clear all memory allocated to ref_array */
61void ref_array_clear(struct ref_array *array);
62/* Parse format string and sort specifiers */
63int 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 */
65int verify_ref_format(const char *format);
66/* Sort the given ref_array as per the ref_sorting provided */
67void ref_array_sort(struct ref_sorting *sort, struct ref_array *array);
68/* Print the ref using the given format and quote_style */
69void show_ref_array_item(struct ref_array_item *info, const char *format, int quote_style);
70/* Callback function for parsing the sort option */
71int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset);
72/* Default sort option based on refname */
73struct ref_sorting *ref_default_sorting(void);
74
75#endif /* REF_FILTER_H */