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 /* die if a symlink is part of the given path's directory */
  62 #define PATHSPEC_SYMLINK_LEADING_PATH (1<<3)
  63 #define PATHSPEC_PREFIX_ORIGIN (1<<4)
  64 #define PATHSPEC_KEEP_ORDER (1<<5)
  65 /*
  66  * For the callers that just need pure paths from somewhere else, not
  67  * from command line. Global --*-pathspecs options are ignored. No
  68  * magic is parsed in each pathspec either. If PATHSPEC_LITERAL is
  69  * allowed, then it will automatically set for every pathspec.
  70  */
  71 #define PATHSPEC_LITERAL_PATH (1<<6)
  72
  73 /*
  74  * Given command line arguments and a prefix, convert the input to
  75  * pathspec. die() if any magic in magic_mask is used.
  76  *
  77  * Any arguments used are copied. It is safe for the caller to modify
  78  * or free 'prefix' and 'args' after calling this function.
  79  */
  80 extern void parse_pathspec(struct pathspec *pathspec,
  81                            unsigned magic_mask,
  82                            unsigned flags,
  83                            const char *prefix,
  84                            const char **args);
  85 extern void copy_pathspec(struct pathspec *dst, const struct pathspec *src);
  86 extern void clear_pathspec(struct pathspec *);
  87
  88 static inline int ps_strncmp(const struct pathspec_item *item,
  89                              const char *s1, const char *s2, size_t n)
  90 {
  91         if (item->magic & PATHSPEC_ICASE)
  92                 return strncasecmp(s1, s2, n);
  93         else
  94                 return strncmp(s1, s2, n);
  95 }
  96
  97 static inline int ps_strcmp(const struct pathspec_item *item,
  98                             const char *s1, const char *s2)
  99 {
 100         if (item->magic & PATHSPEC_ICASE)
 101                 return strcasecmp(s1, s2);
 102         else
 103                 return strcmp(s1, s2);
 104 }
 105
 106 extern void add_pathspec_matches_against_index(const struct pathspec *pathspec,
 107                                                const struct index_state *istate,
 108                                                char *seen);
 109 extern char *find_pathspecs_matching_against_index(const struct pathspec *pathspec,
 110                                                    const struct index_state *istate);
 111
 112 #endif /* PATHSPEC_H */