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