init

at-admin/vendor/github.com/astaxie/beego/fs.go

@@ -0,0 +1,74 @@
+package beego
+
+import (
+	"net/http"
+	"os"
+	"path/filepath"
+)
+
+type FileSystem struct {
+}
+
+func (d FileSystem) Open(name string) (http.File, error) {
+	return os.Open(name)
+}
+
+// Walk walks the file tree rooted at root in filesystem, calling walkFn for each file or
+// directory in the tree, including root. All errors that arise visiting files
+// and directories are filtered by walkFn.
+func Walk(fs http.FileSystem, root string, walkFn filepath.WalkFunc) error {
+
+	f, err := fs.Open(root)
+	if err != nil {
+		return err
+	}
+	info, err := f.Stat()
+	if err != nil {
+		err = walkFn(root, nil, err)
+	} else {
+		err = walk(fs, root, info, walkFn)
+	}
+	if err == filepath.SkipDir {
+		return nil
+	}
+	return err
+}
+
+// walk recursively descends path, calling walkFn.
+func walk(fs http.FileSystem, path string, info os.FileInfo, walkFn filepath.WalkFunc) error {
+	var err error
+	if !info.IsDir() {
+		return walkFn(path, info, nil)
+	}
+
+	dir, err := fs.Open(path)
+	if err != nil {
+		if err1 := walkFn(path, info, err); err1 != nil {
+			return err1
+		}
+		return err
+	}
+	defer dir.Close()
+	dirs, err := dir.Readdir(-1)
+	err1 := walkFn(path, info, err)
+	// If err != nil, walk can't walk into this directory.
+	// err1 != nil means walkFn want walk to skip this directory or stop walking.
+	// Therefore, if one of err and err1 isn't nil, walk will return.
+	if err != nil || err1 != nil {
+		// The caller's behavior is controlled by the return value, which is decided
+		// by walkFn. walkFn may ignore err and return nil.
+		// If walkFn returns SkipDir, it will be handled by the caller.
+		// So walk should return whatever walkFn returns.
+		return err1
+	}
+
+	for _, fileInfo := range dirs {
+		filename := filepath.Join(path, fileInfo.Name())
+		if err = walk(fs, filename, fileInfo, walkFn); err != nil {
+			if !fileInfo.IsDir() || err != filepath.SkipDir {
+				return err
+			}
+		}
+	}
+	return nil
+}