[PATCH 37/45] Remove match_pathspec() in favor of match_pathspec_depth()

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match_pathspec_depth was created to replace match_pathspec (see
61cf282 (pathspec: add match_pathspec_depth() - 2010-12-15). It took
more than two years, but the replacement finally happens :-)

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 builtin/add.c          |  30 +++++++-------
 builtin/check-ignore.c |   4 +-
 dir.c                  | 107 -------------------------------------------------
 dir.h                  |   1 -
 pathspec.c             |  19 ++++-----
 pathspec.h             |   4 +-
 6 files changed, 25 insertions(+), 140 deletions(-)

diff --git a/builtin/add.c b/builtin/add.c
index a47aeb4..0b80fa8 100644
--- a/builtin/add.c
+++ b/builtin/add.c
@@ -195,23 +195,21 @@ int add_files_to_cache(const char *prefix,
 }
 
 #define WARN_IMPLICIT_DOT (1u << 0)
-static char *prune_directory(struct dir_struct *dir, const char **pathspec,
+static char *prune_directory(struct dir_struct *dir, struct pathspec *pathspec,
 			     int prefix, unsigned flag)
 {
 	char *seen;
-	int i, specs;
+	int i;
 	struct dir_entry **src, **dst;
 
-	for (specs = 0; pathspec[specs];  specs++)
-		/* nothing */;
-	seen = xcalloc(specs, 1);
+	seen = xcalloc(pathspec->nr, 1);
 
 	src = dst = dir->entries;
 	i = dir->nr;
 	while (--i >= 0) {
 		struct dir_entry *entry = *src++;
-		if (match_pathspec(pathspec, entry->name, entry->len,
-				   prefix, seen))
+		if (match_pathspec_depth(pathspec, entry->name, entry->len,
+					 prefix, seen))
 			*dst++ = entry;
 		else if (flag & WARN_IMPLICIT_DOT)
 			/*
@@ -225,7 +223,7 @@ static char *prune_directory(struct dir_struct *dir, const char **pathspec,
 			warn_pathless_add();
 	}
 	dir->nr = dst - dir->entries;
-	add_pathspec_matches_against_index(pathspec, seen, specs);
+	add_pathspec_matches_against_index(pathspec, seen);
 	return seen;
 }
 
@@ -523,7 +521,7 @@ int cmd_add(int argc, const char **argv, const char *prefix)
 		/* This picks up the paths that are not tracked */
 		baselen = fill_directory(&dir, implicit_dot ? &empty_pathspec : &pathspec);
 		if (pathspec.nr)
-			seen = prune_directory(&dir, pathspec.raw, baselen,
+			seen = prune_directory(&dir, &pathspec, baselen,
 					implicit_dot ? WARN_IMPLICIT_DOT : 0);
 	}
 
@@ -538,23 +536,23 @@ int cmd_add(int argc, const char **argv, const char *prefix)
 		int i;
 
 		if (!seen)
-			seen = find_pathspecs_matching_against_index(pathspec.raw);
+			seen = find_pathspecs_matching_against_index(&pathspec);
 
 		/*
 		 * file_exists() assumes exact match
 		 */
 		GUARD_PATHSPEC(&pathspec, PATHSPEC_FROMTOP);
 
-		for (i = 0; pathspec.raw[i]; i++) {
-			if (!seen[i] && pathspec.raw[i][0]
-			    && !file_exists(pathspec.raw[i])) {
+		for (i = 0; i < pathspec.nr; i++) {
+			const char *path = pathspec.items[i].match;
+			if (!seen[i] && !file_exists(path)) {
 				if (ignore_missing) {
 					int dtype = DT_UNKNOWN;
-					if (is_excluded(&dir, pathspec.raw[i], &dtype))
-						dir_add_ignored(&dir, pathspec.raw[i], strlen(pathspec.raw[i]));
+					if (is_excluded(&dir, path, &dtype))
+						dir_add_ignored(&dir, path, pathspec.items[i].len);
 				} else
 					die(_("pathspec '%s' did not match any files"),
-					    pathspec.raw[i]);
+					    pathspec.items[i].original);
 			}
 		}
 		free(seen);
diff --git a/builtin/check-ignore.c b/builtin/check-ignore.c
index d49c083..70537c8 100644
--- a/builtin/check-ignore.c
+++ b/builtin/check-ignore.c
@@ -94,9 +94,9 @@ static int check_ignore(struct dir_struct *dir,
 	 * should not be ignored, in order to be consistent with
 	 * 'git status', 'git add' etc.
 	 */
-	seen = find_pathspecs_matching_against_index(pathspec.raw);
+	seen = find_pathspecs_matching_against_index(&pathspec);
 	for (i = 0; i < pathspec.nr; i++) {
-		full_path = pathspec.raw[i];
+		full_path = pathspec.items[i].match;
 		exclude = NULL;
 		if (!seen[i]) {
 			exclude = last_exclude_matching(dir, full_path, &dtype);
diff --git a/dir.c b/dir.c
index 269ff85..1098133 100644
--- a/dir.c
+++ b/dir.c
@@ -183,113 +183,6 @@ int within_depth(const char *name, int namelen,
  *
  * It returns 0 when there is no match.
  */
-static int match_one(const char *match, const char *name, int namelen)
-{
-	int matchlen;
-	int literal = limit_pathspec_to_literal();
-
-	/* If the match was just the prefix, we matched */
-	if (!*match)
-		return MATCHED_RECURSIVELY;
-
-	if (ignore_case) {
-		for (;;) {
-			unsigned char c1 = tolower(*match);
-			unsigned char c2 = tolower(*name);
-			if (c1 == '\0' || (!literal && is_glob_special(c1)))
-				break;
-			if (c1 != c2)
-				return 0;
-			match++;
-			name++;
-			namelen--;
-		}
-	} else {
-		for (;;) {
-			unsigned char c1 = *match;
-			unsigned char c2 = *name;
-			if (c1 == '\0' || (!literal && is_glob_special(c1)))
-				break;
-			if (c1 != c2)
-				return 0;
-			match++;
-			name++;
-			namelen--;
-		}
-	}
-
-	/*
-	 * If we don't match the matchstring exactly,
-	 * we need to match by fnmatch
-	 */
-	matchlen = strlen(match);
-	if (strncmp_icase(match, name, matchlen)) {
-		if (literal)
-			return 0;
-		return !fnmatch_icase(match, name, 0) ? MATCHED_FNMATCH : 0;
-	}
-
-	if (namelen == matchlen)
-		return MATCHED_EXACTLY;
-	if (match[matchlen-1] == '/' || name[matchlen] == '/')
-		return MATCHED_RECURSIVELY;
-	return 0;
-}
-
-/*
- * Given a name and a list of pathspecs, returns the nature of the
- * closest (i.e. most specific) match of the name to any of the
- * pathspecs.
- *
- * The caller typically calls this multiple times with the same
- * pathspec and seen[] array but with different name/namelen
- * (e.g. entries from the index) and is interested in seeing if and
- * how each pathspec matches all the names it calls this function
- * with.  A mark is left in the seen[] array for each pathspec element
- * indicating the closest type of match that element achieved, so if
- * seen[n] remains zero after multiple invocations, that means the nth
- * pathspec did not match any names, which could indicate that the
- * user mistyped the nth pathspec.
- */
-int match_pathspec(const char **pathspec, const char *name, int namelen,
-		int prefix, char *seen)
-{
-	int i, retval = 0;
-
-	if (!pathspec)
-		return 1;
-
-	name += prefix;
-	namelen -= prefix;
-
-	for (i = 0; pathspec[i] != NULL; i++) {
-		int how;
-		const char *match = pathspec[i] + prefix;
-		if (seen && seen[i] == MATCHED_EXACTLY)
-			continue;
-		how = match_one(match, name, namelen);
-		if (how) {
-			if (retval < how)
-				retval = how;
-			if (seen && seen[i] < how)
-				seen[i] = how;
-		}
-	}
-	return retval;
-}
-
-/*
- * Does 'match' match the given name?
- * A match is found if
- *
- * (1) the 'match' string is leading directory of 'name', or
- * (2) the 'match' string is a wildcard and matches 'name', or
- * (3) the 'match' string is exactly the same as 'name'.
- *
- * and the return value tells which case it was.
- *
- * It returns 0 when there is no match.
- */
 static int match_pathspec_item(const struct pathspec_item *item, int prefix,
 			       const char *name, int namelen)
 {
diff --git a/dir.h b/dir.h
index ba40e69..7d051e3 100644
--- a/dir.h
+++ b/dir.h
@@ -131,7 +131,6 @@ struct dir_struct {
 extern int simple_length(const char *match);
 extern int no_wildcard(const char *string);
 extern char *common_prefix(const struct pathspec *pathspec);
-extern int match_pathspec(const char **pathspec, const char *name, int namelen, int prefix, char *seen);
 extern int match_pathspec_depth(const struct pathspec *pathspec,
 				const char *name, int namelen,
 				int prefix, char *seen);
diff --git a/pathspec.c b/pathspec.c
index 0f9f544..17f25d6 100644
--- a/pathspec.c
+++ b/pathspec.c
@@ -15,8 +15,8 @@
  * If seen[] has not already been written to, it may make sense
  * to use find_pathspecs_matching_against_index() instead.
  */
-void add_pathspec_matches_against_index(const char **pathspec,
-					char *seen, int specs)
+void add_pathspec_matches_against_index(const struct pathspec *pathspec,
+					char *seen)
 {
 	int num_unmatched = 0, i;
 
@@ -26,14 +26,14 @@ void add_pathspec_matches_against_index(const char **pathspec,
 	 * mistakenly think that the user gave a pathspec that did not match
 	 * anything.
 	 */
-	for (i = 0; i < specs; i++)
+	for (i = 0; i < pathspec->nr; i++)
 		if (!seen[i])
 			num_unmatched++;
 	if (!num_unmatched)
 		return;
 	for (i = 0; i < active_nr; i++) {
 		struct cache_entry *ce = active_cache[i];
-		match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, seen);
+		match_pathspec_depth(pathspec, ce->name, ce_namelen(ce), 0, seen);
 	}
 }
 
@@ -45,15 +45,10 @@ void add_pathspec_matches_against_index(const char **pathspec,
  * nature of the "closest" (i.e. most specific) matches which each of the
  * given pathspecs achieves against all items in the index.
  */
-char *find_pathspecs_matching_against_index(const char **pathspec)
+char *find_pathspecs_matching_against_index(const struct pathspec *pathspec)
 {
-	char *seen;
-	int i;
-
-	for (i = 0; pathspec[i];  i++)
-		; /* just counting */
-	seen = xcalloc(i, 1);
-	add_pathspec_matches_against_index(pathspec, seen, i);
+	char *seen = xcalloc(pathspec->nr, 1);
+	add_pathspec_matches_against_index(pathspec, seen);
 	return seen;
 }
 
diff --git a/pathspec.h b/pathspec.h
index 2165966..16bbb7b 100644
--- a/pathspec.h
+++ b/pathspec.h
@@ -63,8 +63,8 @@ extern void free_pathspec(struct pathspec *);
 
 extern int limit_pathspec_to_literal(void);
 
-extern char *find_pathspecs_matching_against_index(const char **pathspec);
-extern void add_pathspec_matches_against_index(const char **pathspec, char *seen, int specs);
+extern char *find_pathspecs_matching_against_index(const struct pathspec *pathspec);
+extern void add_pathspec_matches_against_index(const struct pathspec *pathspec, char *seen);
 extern const char *check_path_for_gitlink(const char *path);
 extern void die_if_path_beyond_symlink(const char *path, const char *prefix);
 
-- 
1.8.2.83.gc99314b

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