feat(完整功能): 以Apache License 2.0协议开源

internal/fs/symfs.go

@@ -0,0 +1,48 @@
+// Copyright 2026 肖其顿 (XIAO QI DUN)
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package fs
+
+import (
+	"path/filepath"
+
+	"github.com/winfsp/cgofuse/fuse"
+)
+
+// SymFS 透传文件系统
+type SymFS struct {
+	fuse.FileSystemBase
+	root string
+	host *fuse.FileSystemHost
+}
+
+// NewSymFS 创建 SymFS 实例
+// 入参: root 源目录路径
+// 返回: SymFS 实例指针
+func NewSymFS(root string) *SymFS {
+	return &SymFS{root: root}
+}
+
+// SetHost 设置 FUSE 主机
+// 入参: host FUSE 主机实例
+func (s *SymFS) SetHost(host *fuse.FileSystemHost) {
+	s.host = host
+}
+
+// realPath 获取真实路径
+// 入参: path 相对路径
+// 返回: string 绝对路径
+func (s *SymFS) realPath(path string) string {
+	return filepath.Join(s.root, path)
+}