1 // Copyright 2018 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
5 // TODO: Figure out what gopkg.in should do.
11 // ParseGopkgIn splits gopkg.in import paths into their constituent parts
12 func ParseGopkgIn(path string) (root, repo, major, subdir string, ok bool) {
13 if !strings.HasPrefix(path, "gopkg.in/") {
16 f := strings.Split(path, "/")
18 if elem, v, ok := dotV(f[1]); ok {
19 root = strings.Join(f[:2], "/")
20 repo = "github.com/go-" + elem + "/" + elem
22 subdir = strings.Join(f[2:], "/")
23 return root, repo, major, subdir, true
27 if elem, v, ok := dotV(f[2]); ok {
28 root = strings.Join(f[:3], "/")
29 repo = "github.com/" + f[1] + "/" + elem
31 subdir = strings.Join(f[3:], "/")
32 return root, repo, major, subdir, true
38 func dotV(name string) (elem, v string, ok bool) {
40 for i >= 0 && '0' <= name[i] && name[i] <= '9' {
43 if i <= 2 || i+1 >= len(name) || name[i-1] != '.' || name[i] != 'v' || name[i+1] == '0' && len(name) != i+2 {
46 return name[:i-1], name[i:], true