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file.go
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file.go
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package util
import (
"io/fs"
"os"
"path/filepath"
"strings"
)
func ListFiles(path string) (map[string]PathInfo, error) {
return ListPath(path, func(info PathInfo) bool {
if info.Info.IsDir() {
return false
}
return true
})
}
func ListPath(path string, acceptFn func(info PathInfo) bool) (map[string]PathInfo, error) {
data := make(map[string]PathInfo)
err := WalkPath(path, func(info PathInfo, err error) error {
if err != nil {
return err
}
if acceptFn != nil && !acceptFn(info) {
return nil
}
data[info.Relative] = info
return nil
})
return data, err
}
func WalkPath(root string, fn WalkFunc) error {
return filepath.Walk(root, func(path string, info fs.FileInfo, err error) error {
relative := RelativePath(path, root)
if relative == "" {
return nil
}
walkInfo := PathInfo{
Relative: relative,
Path: path,
Info: info,
}
return fn(walkInfo, err)
})
}
type WalkFunc func(info PathInfo, err error) error
type PathInfo struct {
Relative string
Path string
Info fs.FileInfo
}
func FileType(isDir bool) string {
if isDir {
return "dir"
}
return "file"
}
func FormatPath(path string) string {
if strings.HasPrefix(path, "~/") || strings.HasPrefix(path, "~\\") {
homeDir, err := os.UserHomeDir()
if err == nil {
path = filepath.Join(homeDir, path[2:])
}
}
return path
}
func AbsPath(path string) string {
absPath, err := filepath.Abs(path)
if err != nil {
return path
} else {
return absPath
}
}
func RelativePath(path, root string) string {
absPath := AbsPath(path)
absRoot := AbsPath(root)
relative := strings.TrimPrefix(absPath, absRoot)
if len(absPath) > len(relative) {
return strings.TrimPrefix(relative, string(filepath.Separator))
}
return relative
}