path: Windows support for Split

Make Split work on backslashes as well as on slashes under Windows
and support the "C:filename" special case. Also add corresponding
tests.

R=r, rsc, PeterGo, r2, brainman
CC=golang-dev
https://golang.org/cl/3008041
This commit is contained in:
Benny Siegert 2010-11-30 17:17:45 -08:00 committed by Rob Pike
parent 555feea117
commit b06dc26a58
5 changed files with 55 additions and 8 deletions

View file

@ -102,17 +102,13 @@ func Clean(path string) string {
return string(buf[0:w])
}
// Split splits path immediately following the final slash,
// Split splits path immediately following the final path separator,
// separating it into a directory and file name component.
// If there is no slash in path, Split returns an empty dir and
// If there is no separator in path, Split returns an empty dir and
// file set to path.
func Split(path string) (dir, file string) {
for i := len(path) - 1; i >= 0; i-- {
if path[i] == '/' {
return path[0 : i+1], path[i+1:]
}
}
return "", path
i := strings.LastIndexAny(path, PathSeps)
return path[:i+1], path[i+1:]
}
// Join joins any number of path elements into a single path, adding a