38 lines
889 B
Go
38 lines
889 B
Go
// Copyright 2015 Google Inc. All Rights Reserved.
|
|
// Author: jacobsa@google.com (Aaron Jacobs)
|
|
|
|
package memfs
|
|
|
|
import (
|
|
"fmt"
|
|
"reflect"
|
|
|
|
"github.com/jacobsa/fuse"
|
|
)
|
|
|
|
// Common attributes for files and directories.
|
|
//
|
|
// TODO(jacobsa): Add tests for interacting with a file/directory after it has
|
|
// been unlinked, including creating a new file. Make sure we don't screw up
|
|
// and reuse the inode while it is still in use.
|
|
type inode struct {
|
|
// The *memFile or *memDir for this inode, or nil if the inode is available
|
|
// for reuse.
|
|
//
|
|
// INVARIANT: impl is nil, or of type *memFile or *memDir
|
|
impl interface{}
|
|
}
|
|
|
|
func (inode *inode) checkInvariants() {
|
|
switch inode.impl.(type) {
|
|
case nil:
|
|
case *memFile:
|
|
case *memDir:
|
|
default:
|
|
panic(
|
|
fmt.Sprintf("Unexpected inode impl type: %v", reflect.TypeOf(inode.impl)))
|
|
}
|
|
}
|
|
|
|
func (inode *inode) Attributes() fuse.InodeAttributes
|