1// Copyright 2020 CUE Authors
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15// Copyright 2010 The Go Authors. All rights reserved.
16// Use of this source code is governed by a BSD-style
17// license that can be found in the LICENSE file.
18
19package path
20
21import "strings"
22
23type unixInfo struct{}
24
25var _ osInfo = unixInfo{}
26
27const (
28 unixListSeparator = ':'
29 unixSeparator = '/'
30)
31
32func (o unixInfo) IsPathSeparator(b byte) bool {
33 return b == unixSeparator
34}
35
36// IsAbs reports whether the path is absolute.
37func (o unixInfo) IsAbs(path string) bool {
38 return strings.HasPrefix(path, "/")
39}
40
41// volumeNameLen returns length of the leading volume name on Windows.
42// It returns 0 elsewhere.
43func (o unixInfo) volumeNameLen(path string) int {
44 return 0
45}
46
47func (o unixInfo) splitList(path string) []string {
48 if path == "" {
49 return []string{}
50 }
51 return strings.Split(path, string(unixListSeparator))
52}
53
54func (o unixInfo) join(elem []string) string {
55 // If there's a bug here, fix the logic in ./path_plan9.go too.
56 for i, e := range elem {
57 if e != "" {
58 return clean(strings.Join(elem[i:], string(unixSeparator)), unix)
59 }
60 }
61 return ""
62}
63
64func (o unixInfo) sameWord(a, b string) bool {
65 return a == b
66}