pathspec: allow querying for attributes
[git/git.git] / pathspec.h
1 #ifndef PATHSPEC_H
2 #define PATHSPEC_H
3
4 /* Pathspec magic */
5 #define PATHSPEC_FROMTOP (1<<0)
6 #define PATHSPEC_MAXDEPTH (1<<1)
7 #define PATHSPEC_LITERAL (1<<2)
8 #define PATHSPEC_GLOB (1<<3)
9 #define PATHSPEC_ICASE (1<<4)
10 #define PATHSPEC_EXCLUDE (1<<5)
11 #define PATHSPEC_ATTR (1<<6)
12 #define PATHSPEC_ALL_MAGIC \
13 (PATHSPEC_FROMTOP | \
14 PATHSPEC_MAXDEPTH | \
15 PATHSPEC_LITERAL | \
16 PATHSPEC_GLOB | \
17 PATHSPEC_ICASE | \
18 PATHSPEC_EXCLUDE | \
19 PATHSPEC_ATTR)
20
21 #define PATHSPEC_ONESTAR 1 /* the pathspec pattern satisfies GFNM_ONESTAR */
22
23 struct pathspec {
24 int nr;
25 unsigned int has_wildcard:1;
26 unsigned int recursive:1;
27 unsigned magic;
28 int max_depth;
29 struct pathspec_item {
30 char *match;
31 char *original;
32 unsigned magic;
33 int len, prefix;
34 int nowildcard_len;
35 int flags;
36 int attr_match_nr;
37 struct attr_match {
38 char *value;
39 enum attr_match_mode {
40 MATCH_SET,
41 MATCH_UNSET,
42 MATCH_VALUE,
43 MATCH_UNSPECIFIED
44 } match_mode;
45 } *attr_match;
46 struct attr_check *attr_check;
47 } *items;
48 };
49
50 #define GUARD_PATHSPEC(ps, mask) \
51 do { \
52 if ((ps)->magic & ~(mask)) \
53 die("BUG:%s:%d: unsupported magic %x", \
54 __FILE__, __LINE__, (ps)->magic & ~(mask)); \
55 } while (0)
56
57 /* parse_pathspec flags */
58 #define PATHSPEC_PREFER_CWD (1<<0) /* No args means match cwd */
59 #define PATHSPEC_PREFER_FULL (1<<1) /* No args means match everything */
60 #define PATHSPEC_MAXDEPTH_VALID (1<<2) /* max_depth field is valid */
61 /* strip the trailing slash if the given path is a gitlink */
62 #define PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP (1<<3)
63 /* die if a symlink is part of the given path's directory */
64 #define PATHSPEC_SYMLINK_LEADING_PATH (1<<4)
65 /*
66 * This is like a combination of ..LEADING_PATH and .._SLASH_CHEAP
67 * (but not the same): it strips the trailing slash if the given path
68 * is a gitlink but also checks and dies if gitlink is part of the
69 * leading path (i.e. the given path goes beyond a submodule). It's
70 * safer than _SLASH_CHEAP and also more expensive.
71 */
72 #define PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE (1<<5)
73 #define PATHSPEC_PREFIX_ORIGIN (1<<6)
74 #define PATHSPEC_KEEP_ORDER (1<<7)
75 /*
76 * For the callers that just need pure paths from somewhere else, not
77 * from command line. Global --*-pathspecs options are ignored. No
78 * magic is parsed in each pathspec either. If PATHSPEC_LITERAL is
79 * allowed, then it will automatically set for every pathspec.
80 */
81 #define PATHSPEC_LITERAL_PATH (1<<8)
82
83 extern void parse_pathspec(struct pathspec *pathspec,
84 unsigned magic_mask,
85 unsigned flags,
86 const char *prefix,
87 const char **args);
88 extern void copy_pathspec(struct pathspec *dst, const struct pathspec *src);
89 extern void clear_pathspec(struct pathspec *);
90
91 static inline int ps_strncmp(const struct pathspec_item *item,
92 const char *s1, const char *s2, size_t n)
93 {
94 if (item->magic & PATHSPEC_ICASE)
95 return strncasecmp(s1, s2, n);
96 else
97 return strncmp(s1, s2, n);
98 }
99
100 static inline int ps_strcmp(const struct pathspec_item *item,
101 const char *s1, const char *s2)
102 {
103 if (item->magic & PATHSPEC_ICASE)
104 return strcasecmp(s1, s2);
105 else
106 return strcmp(s1, s2);
107 }
108
109 extern char *find_pathspecs_matching_against_index(const struct pathspec *pathspec);
110 extern void add_pathspec_matches_against_index(const struct pathspec *pathspec, char *seen);
111
112 #endif /* PATHSPEC_H */