1 #ifndef REF_FILTER_H
2 #define REF_FILTER_H
3 
4 #include "oid-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_TAGS           0x0002
17 #define FILTER_REFS_BRANCHES       0x0004
18 #define FILTER_REFS_REMOTES        0x0008
19 #define FILTER_REFS_OTHERS         0x0010
20 #define FILTER_REFS_ALL            (FILTER_REFS_TAGS | FILTER_REFS_BRANCHES | \
21 				    FILTER_REFS_REMOTES | FILTER_REFS_OTHERS)
22 #define FILTER_REFS_DETACHED_HEAD  0x0020
23 #define FILTER_REFS_KIND_MASK      (FILTER_REFS_ALL | FILTER_REFS_DETACHED_HEAD)
24 
25 struct atom_value;
26 
27 struct ref_sorting {
28 	struct ref_sorting *next;
29 	int atom; /* index into used_atom array (internal) */
30 	enum {
31 		REF_SORTING_REVERSE = 1<<0,
32 		REF_SORTING_ICASE = 1<<1,
33 		REF_SORTING_VERSION = 1<<2,
34 		REF_SORTING_DETACHED_HEAD_FIRST = 1<<3,
35 	} sort_flags;
36 };
37 
38 struct ref_array_item {
39 	struct object_id objectname;
40 	const char *rest;
41 	int flag;
42 	unsigned int kind;
43 	const char *symref;
44 	struct commit *commit;
45 	struct atom_value *value;
46 	char refname[FLEX_ARRAY];
47 };
48 
49 struct ref_array {
50 	int nr, alloc;
51 	struct ref_array_item **items;
52 	struct rev_info *revs;
53 };
54 
55 struct ref_filter {
56 	const char **name_patterns;
57 	struct oid_array points_at;
58 	struct commit_list *with_commit;
59 	struct commit_list *no_commit;
60 	struct commit_list *reachable_from;
61 	struct commit_list *unreachable_from;
62 
63 	unsigned int with_commit_tag_algo : 1,
64 		match_as_path : 1,
65 		ignore_case : 1,
66 		detached : 1;
67 	unsigned int kind,
68 		lines;
69 	int abbrev,
70 		verbose;
71 };
72 
73 struct ref_format {
74 	/*
75 	 * Set these to define the format; make sure you call
76 	 * verify_ref_format() afterwards to finalize.
77 	 */
78 	const char *format;
79 	const char *rest;
80 	int quote_style;
81 	int use_rest;
82 	int use_color;
83 
84 	/* Internal state to ref-filter */
85 	int need_color_reset_at_eol;
86 };
87 
88 #define REF_FORMAT_INIT { .use_color = -1 }
89 
90 /*  Macros for checking --merged and --no-merged options */
91 #define _OPT_MERGED_NO_MERGED(option, filter, h) \
92 	{ OPTION_CALLBACK, 0, option, (filter), N_("commit"), (h), \
93 	  PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG, \
94 	  parse_opt_merge_filter, (intptr_t) "HEAD" \
95 	}
96 #define OPT_MERGED(f, h) _OPT_MERGED_NO_MERGED("merged", f, h)
97 #define OPT_NO_MERGED(f, h) _OPT_MERGED_NO_MERGED("no-merged", f, h)
98 
99 #define OPT_REF_SORT(var) \
100 	OPT_CALLBACK_F(0, "sort", (var), \
101 		       N_("key"), N_("field name to sort on"), \
102 		       PARSE_OPT_NONEG, parse_opt_ref_sorting)
103 
104 /*
105  * API for filtering a set of refs. Based on the type of refs the user
106  * has requested, we iterate through those refs and apply filters
107  * as per the given ref_filter structure and finally store the
108  * filtered refs in the ref_array structure.
109  */
110 int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type);
111 /*  Clear all memory allocated to ref_array */
112 void ref_array_clear(struct ref_array *array);
113 /*  Used to verify if the given format is correct and to parse out the used atoms */
114 int verify_ref_format(struct ref_format *format);
115 /*  Sort the given ref_array as per the ref_sorting provided */
116 void ref_array_sort(struct ref_sorting *sort, struct ref_array *array);
117 /*  Set REF_SORTING_* sort_flags for all elements of a sorting list */
118 void ref_sorting_set_sort_flags_all(struct ref_sorting *sorting, unsigned int mask, int on);
119 /*  Based on the given format and quote_style, fill the strbuf */
120 int format_ref_array_item(struct ref_array_item *info,
121 			  struct ref_format *format,
122 			  struct strbuf *final_buf,
123 			  struct strbuf *error_buf);
124 /*  Parse a single sort specifier and add it to the list */
125 void parse_ref_sorting(struct ref_sorting **sorting_tail, const char *atom);
126 /*  Callback function for parsing the sort option */
127 int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset);
128 /*  Default sort option based on refname */
129 struct ref_sorting *ref_default_sorting(void);
130 /* Release a "struct ref_sorting" */
131 void ref_sorting_release(struct ref_sorting *);
132 /*  Function to parse --merged and --no-merged options */
133 int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset);
134 /*  Get the current HEAD's description */
135 char *get_head_description(void);
136 /*  Set up translated strings in the output. */
137 void setup_ref_filter_porcelain_msg(void);
138 
139 /*
140  * Print a single ref, outside of any ref-filter. Note that the
141  * name must be a fully qualified refname.
142  */
143 void pretty_print_ref(const char *name, const struct object_id *oid,
144 		      struct ref_format *format);
145 
146 /*
147  * Push a single ref onto the array; this can be used to construct your own
148  * ref_array without using filter_refs().
149  */
150 struct ref_array_item *ref_array_push(struct ref_array *array,
151 				      const char *refname,
152 				      const struct object_id *oid);
153 
154 #endif /*  REF_FILTER_H  */
155