v2ray-core/common/platform/windows.go

// +build windows

package platform

import (
	"errors"
	"io/fs"
	"os"
	"path/filepath"
)

func ExpandEnv(s string) string {
	// TODO
	return s
}

func LineSeparator() string {
	return "\r\n"
}

func GetToolLocation(file string) string {
	const name = "v2ray.location.tool"
	toolPath := EnvFlag{Name: name, AltName: NormalizeEnvName(name)}.GetValue(getExecutableDir)
	return filepath.Join(toolPath, file+".exe")
}

// GetAssetLocation search for `file` in the excutable dir
func GetAssetLocation(file string) string {
	const name = "v2ray.location.asset"
	assetPath := NewEnvFlag(name).GetValue(getExecutableDir)
	defPath := filepath.Join(assetPath, file)
	for _, p := range []string{
		defPath,
		file,
	} {
		if _, err := os.Stat(p); err != nil && errors.Is(err, fs.ErrNotExist) {
			continue
		}

		// asset found
		return p
	}

	// asset not found, let the caller throw out the error
	return defPath
}