bb/src/pathx/main.go

83 lines
1.2 KiB
Go

package pathx
// The package implements crossplatform structured
// paths.
import (
fp "path/filepath"
"path"
"strings"
)
type Value string
type Path struct {
Values []Value
}
func (p Path) Append(values ...string) Path {
for _, v := range values {
p.Values = append(p.Values, Value(v))
}
return p
}
func From(p string) Path {
p = path.Clean(p)
p, _ = strings.CutSuffix(p, "/")
svalues := strings.Split(p, "/")
values := make([]Value, len(svalues))
for i, s := range svalues {
values[i] = Value(s)
}
return Path{
Values: values,
}
}
func (v Value) IsValid() bool {
return v.Err() == nil
}
func (v Value) Err() error {
return nil
}
func (p Path) StringValues() []string {
values := make([]string, len(p.Values))
for i, v := range p.Values {
values[i] = string(v)
}
return values
}
func (p Path) Real() string {
return fp.Join(p.StringValues()...)
}
func (p Path) String() string {
return path.Join(p.StringValues()...)
}
func (p Path) IsValid() bool {
for _, v := range p.Values {
if !v.IsValid() {
return false
}
}
return true
}
func (p Path) Err() error {
for _, v := range p.Values {
if !v.IsValid() {
return v.Err()
}
}
return nil
}