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//go:build windows
// +build windows
// This implementation only works when compiled for Windows
// as this uses the `path/filepath` which is platform dependent
package path
import (
"path/filepath"
"regexp"
"strings"
)
type windowsPath struct {
}
// windowsNamedPipesExp matches a named pipe path (starts with `\\.\pipe\`, possibly with / instead of \)
var windowsNamedPipe = regexp.MustCompile(`(?i)^[/\\]{2}\.[/\\]pipe[/\\][^:*?"<>|\r\n]+$`)
func (p *windowsPath) Join(elem ...string) string {
return filepath.Join(elem...)
}
func (p *windowsPath) IsAbs(path string) bool {
if windowsNamedPipe.MatchString(path) {
return true
}
path = filepath.Clean(path)
return filepath.IsAbs(path)
}
func (p *windowsPath) IsRoot(path string) bool {
if windowsNamedPipe.MatchString(path) {
return false
}
path = filepath.Clean(path)
return filepath.IsAbs(path) && filepath.Dir(path) == path
}
func (p *windowsPath) Contains(basePath, targetPath string) bool {
// we use `filepath.Rel` as this perform OS-specific comparison
// and this set of functions is compiled using OS-specific golang filepath
relativePath, err := filepath.Rel(basePath, targetPath)
if err != nil {
return false
}
// if it starts with `..` it tries to escape the path
if strings.HasPrefix(relativePath, "..") {
return false
}
return true
}
//revive:disable:unexported-return
func NewWindowsPath() *windowsPath {
return &windowsPath{}
}
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