forked from ebhomengo/niki
102 lines
2.7 KiB
Go
102 lines
2.7 KiB
Go
/*
|
|
Copyright The containerd Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package pathdriver
|
|
|
|
import (
|
|
"path/filepath"
|
|
)
|
|
|
|
// PathDriver provides all of the path manipulation functions in a common
|
|
// interface. The context should call these and never use the `filepath`
|
|
// package or any other package to manipulate paths.
|
|
type PathDriver interface {
|
|
Join(paths ...string) string
|
|
IsAbs(path string) bool
|
|
Rel(base, target string) (string, error)
|
|
Base(path string) string
|
|
Dir(path string) string
|
|
Clean(path string) string
|
|
Split(path string) (dir, file string)
|
|
Separator() byte
|
|
Abs(path string) (string, error)
|
|
Walk(string, filepath.WalkFunc) error
|
|
FromSlash(path string) string
|
|
ToSlash(path string) string
|
|
Match(pattern, name string) (matched bool, err error)
|
|
}
|
|
|
|
// pathDriver is a simple default implementation calls the filepath package.
|
|
type pathDriver struct{}
|
|
|
|
// LocalPathDriver is the exported pathDriver struct for convenience.
|
|
var LocalPathDriver PathDriver = &pathDriver{}
|
|
|
|
func (*pathDriver) Join(paths ...string) string {
|
|
return filepath.Join(paths...)
|
|
}
|
|
|
|
func (*pathDriver) IsAbs(path string) bool {
|
|
return filepath.IsAbs(path)
|
|
}
|
|
|
|
func (*pathDriver) Rel(base, target string) (string, error) {
|
|
return filepath.Rel(base, target)
|
|
}
|
|
|
|
func (*pathDriver) Base(path string) string {
|
|
return filepath.Base(path)
|
|
}
|
|
|
|
func (*pathDriver) Dir(path string) string {
|
|
return filepath.Dir(path)
|
|
}
|
|
|
|
func (*pathDriver) Clean(path string) string {
|
|
return filepath.Clean(path)
|
|
}
|
|
|
|
func (*pathDriver) Split(path string) (dir, file string) {
|
|
return filepath.Split(path)
|
|
}
|
|
|
|
func (*pathDriver) Separator() byte {
|
|
return filepath.Separator
|
|
}
|
|
|
|
func (*pathDriver) Abs(path string) (string, error) {
|
|
return filepath.Abs(path)
|
|
}
|
|
|
|
// Note that filepath.Walk calls os.Stat, so if the context wants to
|
|
// to call Driver.Stat() for Walk, they need to create a new struct that
|
|
// overrides this method.
|
|
func (*pathDriver) Walk(root string, walkFn filepath.WalkFunc) error {
|
|
return filepath.Walk(root, walkFn)
|
|
}
|
|
|
|
func (*pathDriver) FromSlash(path string) string {
|
|
return filepath.FromSlash(path)
|
|
}
|
|
|
|
func (*pathDriver) ToSlash(path string) string {
|
|
return filepath.ToSlash(path)
|
|
}
|
|
|
|
func (*pathDriver) Match(pattern, name string) (bool, error) {
|
|
return filepath.Match(pattern, name)
|
|
}
|