chore: bootstrap CHFS NG workspace

2026-09-21 12:58:08 +08:00
commit 83695cea81
14 changed files with 263 additions and 0 deletions
@@ -0,0 +1,40 @@
+package storage
+
+import (
+	"os"
+	"path/filepath"
+)
+
+type Storage interface {
+	Stat(path string) (os.FileInfo, error)
+	Open(path string) (*os.File, error)
+	Create(path string) (*os.File, error)
+	Remove(path string) error
+	Rename(oldPath, newPath string) error
+	MkdirAll(path string) error
+	List(path string) ([]os.FileInfo, error)
+}
+
+type Local struct{ Root string }
+
+func (s Local) real(path string) string               { return filepath.Join(s.Root, filepath.Clean("/"+path)) }
+func (s Local) Stat(path string) (os.FileInfo, error) { return os.Stat(s.real(path)) }
+func (s Local) Open(path string) (*os.File, error)    { return os.Open(s.real(path)) }
+func (s Local) Create(path string) (*os.File, error) {
+	p := s.real(path)
+	if err := os.MkdirAll(filepath.Dir(p), 0755); err != nil {
+		return nil, err
+	}
+	return os.Create(p)
+}
+func (s Local) Remove(path string) error   { return os.RemoveAll(s.real(path)) }
+func (s Local) Rename(a, b string) error   { return os.Rename(s.real(a), s.real(b)) }
+func (s Local) MkdirAll(path string) error { return os.MkdirAll(s.real(path), 0755) }
+func (s Local) List(path string) ([]os.FileInfo, error) {
+	f, err := os.Open(s.real(path))
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+	return f.Readdir(-1)
+}