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-rw-r--r--vendor/github.com/rakyll/statik/fs/walk.go79
1 files changed, 79 insertions, 0 deletions
diff --git a/vendor/github.com/rakyll/statik/fs/walk.go b/vendor/github.com/rakyll/statik/fs/walk.go
new file mode 100644
index 0000000..f4eb37d
--- /dev/null
+++ b/vendor/github.com/rakyll/statik/fs/walk.go
@@ -0,0 +1,79 @@
+// Copyright 2014 Google Inc. All Rights Reserved.
+//
+// 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 (
+ "bytes"
+ "io"
+ "net/http"
+ "path"
+ "path/filepath"
+)
+
+// Walk walks the file tree rooted at root,
+// calling walkFn for each file or directory in the tree, including root.
+// All errors that arise visiting files and directories are filtered by walkFn.
+//
+// As with filepath.Walk, if the walkFn returns filepath.SkipDir, then the directory is skipped.
+func Walk(hfs http.FileSystem, root string, walkFn filepath.WalkFunc) error {
+ dh, err := hfs.Open(root)
+ if err != nil {
+ return err
+ }
+ di, err := dh.Stat()
+ if err != nil {
+ return err
+ }
+ fis, err := dh.Readdir(-1)
+ dh.Close()
+ if err = walkFn(root, di, err); err != nil {
+ if err == filepath.SkipDir {
+ return nil
+ }
+ return err
+ }
+ for _, fi := range fis {
+ fn := path.Join(root, fi.Name())
+ if fi.IsDir() {
+ if err = Walk(hfs, fn, walkFn); err != nil {
+ if err == filepath.SkipDir {
+ continue
+ }
+ return err
+ }
+ continue
+ }
+ if err = walkFn(fn, fi, nil); err != nil {
+ if err == filepath.SkipDir {
+ continue
+ }
+ return err
+ }
+ }
+ return nil
+}
+
+// ReadFile reads the contents of the file of hfs specified by name.
+// Just as ioutil.ReadFile does.
+func ReadFile(hfs http.FileSystem, name string) ([]byte, error) {
+ fh, err := hfs.Open(name)
+ if err != nil {
+ return nil, err
+ }
+ var buf bytes.Buffer
+ _, err = io.Copy(&buf, fh)
+ fh.Close()
+ return buf.Bytes(), err
+}