diff options
Diffstat (limited to 'dir.h')
| -rw-r--r-- | dir.h | 83 |
1 files changed, 72 insertions, 11 deletions
@@ -1,32 +1,48 @@ #ifndef DIR_H #define DIR_H +/* See Documentation/technical/api-directory-listing.txt */ + +#include "strbuf.h" + struct dir_entry { unsigned int len; char name[FLEX_ARRAY]; /* more */ }; #define EXC_FLAG_NODIR 1 -#define EXC_FLAG_NOWILDCARD 2 #define EXC_FLAG_ENDSWITH 4 #define EXC_FLAG_MUSTBEDIR 8 - +#define EXC_FLAG_NEGATIVE 16 + +/* + * Each .gitignore file will be parsed into patterns which are then + * appended to the relevant exclude_list (either EXC_DIRS or + * EXC_FILE). exclude_lists are also used to represent the list of + * --exclude values passed via CLI args (EXC_CMDL). + */ struct exclude_list { int nr; int alloc; struct exclude { const char *pattern; int patternlen; + int nowildcardlen; const char *base; int baselen; - int to_exclude; int flags; } **excludes; }; +/* + * The contents of the per-directory exclude files are lazily read on + * demand and then cached in memory, one per exclude_stack struct, in + * order to avoid opening and parsing each one every time that + * directory is traversed. + */ struct exclude_stack { - struct exclude_stack *prev; - char *filebuf; + struct exclude_stack *prev; /* the struct exclude_stack for the parent directory */ + char *filebuf; /* remember pointer to per-directory exclude file contents so we can free() */ int baselen; int exclude_ix; }; @@ -57,6 +73,14 @@ struct dir_struct { #define EXC_DIRS 1 #define EXC_FILE 2 + /* + * Temporary variables which are used during loading of the + * per-directory exclude lists. + * + * exclude_stack points to the top of the exclude_stack, and + * basebuf contains the full path to the current + * (sub)directory in the traversal. + */ struct exclude_stack *exclude_stack; char basebuf[PATH_MAX]; }; @@ -74,16 +98,44 @@ extern int within_depth(const char *name, int namelen, int depth, int max_depth) extern int fill_directory(struct dir_struct *dir, const char **pathspec); extern int read_directory(struct dir_struct *, const char *path, int len, const char **pathspec); -extern int excluded_from_list(const char *pathname, int pathlen, const char *basename, - int *dtype, struct exclude_list *el); -extern int excluded(struct dir_struct *, const char *, int *); +extern int is_excluded_from_list(const char *pathname, int pathlen, const char *basename, + int *dtype, struct exclude_list *el); struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len); + +/* + * these implement the matching logic for dir.c:excluded_from_list and + * attr.c:path_matches() + */ +extern int match_basename(const char *, int, + const char *, int, int, int); +extern int match_pathname(const char *, int, + const char *, int, + const char *, int, int, int); + +/* + * The is_excluded() API is meant for callers that check each level of leading + * directory hierarchies with is_excluded() to avoid recursing into excluded + * directories. Callers that do not do so should use this API instead. + */ +struct path_exclude_check { + struct dir_struct *dir; + struct exclude *exclude; + struct strbuf path; +}; +extern void path_exclude_check_init(struct path_exclude_check *, struct dir_struct *); +extern void path_exclude_check_clear(struct path_exclude_check *); +extern struct exclude *last_exclude_matching_path(struct path_exclude_check *, const char *, + int namelen, int *dtype); +extern int is_path_excluded(struct path_exclude_check *, const char *, int namelen, int *dtype); + + extern int add_excludes_from_file_to_list(const char *fname, const char *base, int baselen, - char **buf_p, struct exclude_list *which, int check_index); + char **buf_p, struct exclude_list *el, int check_index); extern void add_excludes_from_file(struct dir_struct *, const char *fname); +extern void parse_exclude_pattern(const char **string, int *patternlen, int *flags, int *nowildcardlen); extern void add_exclude(const char *string, const char *base, - int baselen, struct exclude_list *which); -extern void free_excludes(struct exclude_list *el); + int baselen, struct exclude_list *el); +extern void clear_exclude_list(struct exclude_list *el); extern int file_exists(const char *); extern int is_inside_dir(const char *dir); @@ -112,4 +164,13 @@ extern int strcmp_icase(const char *a, const char *b); extern int strncmp_icase(const char *a, const char *b, size_t count); extern int fnmatch_icase(const char *pattern, const char *string, int flags); +/* + * The prefix part of pattern must not contains wildcards. + */ +#define GFNM_PATHNAME 1 /* similar to FNM_PATHNAME */ +#define GFNM_ONESTAR 2 /* there is only _one_ wildcard, a star */ + +extern int git_fnmatch(const char *pattern, const char *string, + int flags, int prefix); + #endif |