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package pkgtools
import (
"io/fs"
"math"
"os"
"path/filepath"
"strconv"
"strings"
"time"
)
const maxLockWait = 10 * time.Second
func CopyFile(dst string, src string) error {
return ErrNotImplemented
}
func HumanReadableSize(size int64) string {
suffixes := []string{
"B",
"K",
"M",
"G",
"T",
}
base := math.Log(float64(size)) / math.Log(1024)
newSize := math.Ceil(math.Pow(1024, base-math.Floor(base))*10) / 10
newSuffix := suffixes[int(math.Floor(base))]
ret := strconv.FormatFloat(newSize, 'f', -1, 64) + newSuffix
return ret
}
func IsExist(path string) (bool, error) {
_, err := os.Stat(path)
if os.IsNotExist(err) {
return false, nil
}
if err != nil {
return false, err
}
return true, nil
}
func IsFile(path string) (bool, error) {
info, err := os.Stat(path)
if err != nil {
return false, err
}
return info.Mode().IsRegular(), nil
}
func IsDir(path string) (bool, error) {
info, err := os.Stat(path)
if err != nil {
return false, err
}
return info.IsDir(), nil
}
func IsParentDir(parent, sub string) (bool, error) {
up := ".." + string(os.PathSeparator)
rel, err := filepath.Rel(parent, sub)
if err != nil {
return false, err
}
if !strings.HasPrefix(rel, up) && rel != ".." {
return true, nil
}
return false, nil
}
func IsSymlink(path string) (bool, error) {
info, err := os.Stat(path)
if err != nil {
return false, err
}
return info.Mode() == fs.ModeSymlink, nil
}
func FileSize(fp string) (int64, error) {
info, err := os.Stat(fp)
if err != nil {
return 0, err
}
return info.Size(), nil
}
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