Move pathspec code in separate files

Diff uses a `git_strarray` of path specs to represent a subset
of all files to be processed.  It is useful to be able to reuse
this filtering in other places outside diff, so I've moved it
into a standalone set of utilities.

1 files changed, 32 insertions, 0 deletions

diff --git a/src/pathspec.h b/src/pathspec.h
new file mode 100644
index 000000000..31a1cdad9
--- /dev/null
+++ b/src/pathspec.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2011-2012 the libgit2 contributors
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_pathspec_h__
+#define INCLUDE_pathspec_h__
+
+#include "common.h"
+#include "buffer.h"
+#include "vector.h"
+#include "pool.h"
+
+/* what is the common non-wildcard prefix for all items in the pathspec */
+extern char *git_pathspec_prefix(const git_strarray *pathspec);
+
+/* is there anything in the spec that needs to be filtered on */
+extern bool git_pathspec_is_interesting(const git_strarray *pathspec);
+
+/* build a vector of fnmatch patterns to evaluate efficiently */
+extern int git_pathspec_init(
+	git_vector *vspec, const git_strarray *strspec, git_pool *strpool);
+
+/* free data from the pathspec vector */
+extern void git_pathspec_free(git_vector *vspec);
+
+/* match a path against the vectorized pathspec */
+extern bool git_pathspec_match_path(
+	git_vector *vspec, const char *path, bool disable_fnmatch, bool casefold);
+
+#endif