65 lines
1.1 KiB
Go
65 lines
1.1 KiB
Go
package walk
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import (
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"context"
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"io/fs"
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"os"
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"path/filepath"
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)
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type filesystemWalker struct {
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root string
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paths []string
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}
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func (f filesystemWalker) Root() string {
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return f.root
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}
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func (f filesystemWalker) Walk(_ context.Context, fn WalkFunc) error {
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relPathOffset := len(f.root) + 1
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relPathFn := func(path string) (relPath string) {
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if len(path) >= relPathOffset {
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relPath = path[relPathOffset:]
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}
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return
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}
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walkFn := func(path string, info fs.FileInfo, err error) error {
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file := File{
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Path: path,
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RelPath: relPathFn(path),
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Info: info,
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}
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return fn(&file, err)
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}
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if len(f.paths) == 0 {
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return filepath.Walk(f.root, walkFn)
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}
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for _, path := range f.paths {
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info, err := os.Stat(path)
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if err = filepath.Walk(path, walkFn); err != nil {
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return err
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}
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file := File{
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Path: path,
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RelPath: relPathFn(path),
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Info: info,
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}
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if err = fn(&file, err); err != nil {
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return err
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}
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}
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return nil
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}
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func NewFilesystem(root string, paths []string) (Walker, error) {
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return filesystemWalker{root, paths}, nil
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}
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