dart:io | Remove deprecated _Path library, and use FileSystemEntity.parent for recursive Directory.…

sdk/lib/io/directory_impl.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of dart.io;
 
 class _Directory extends FileSystemEntity implements Directory {
   final String path;
 
   _Directory(String this.path) {
@@ skipping 73 matching lines @@
       }
     }
     if (future == null) {
       return new Future.value(notFound);
     } else {
       return future;
     }
   }
 
   Future<Directory> createRecursively() {
-    var path = new _Path(this.path);
     var dirsToCreate = [];
-    var terminator = path.isAbsolute ? '/' : '';
-    while (path.toString() != terminator) {
-      dirsToCreate.add(new Directory(path.toNativePath()));
-      path = path.directoryPath;
+    var dir = this;
+    while (dir.path != dir.parent.path) {
+      dirsToCreate.add(dir);
+      dir = dir.parent;
     }
     return _computeExistingIndex(dirsToCreate).then((index) {
       var future;
       for (var i = index - 1; i >= 0 ; i--) {
         if (future == null) {
           future = dirsToCreate[i].create();
         } else {
           future = future.then((_) {
             return dirsToCreate[i].create();
           });
@@ skipping 11 matching lines @@
     if (recursive) return createRecursively();
     return _IOService.dispatch(_DIRECTORY_CREATE, [path]).then((response) {
       if (_isErrorResponse(response)) {
         throw _exceptionOrErrorFromResponse(response, "Creation failed");
       }
       return this;
     });
   }
 
   void createRecursivelySync() {
-    var path = new _Path(this.path);
+    var dir = this;
     var dirsToCreate = [];
-    var terminator = path.isAbsolute ? '/' : '';
-    while (path.toString() != terminator) {
-      var dir = new Directory(path.toNativePath());
+    while (dir.path != dir.parent.path) {
       if (dir.existsSync()) break;
       dirsToCreate.add(dir);
-      path = path.directoryPath;
+      dir = dir.parent;
     }
     for (var i = dirsToCreate.length - 1; i >= 0; i--) {
       dirsToCreate[i].createSync();
     }
   }
 
   void createSync({bool recursive: false}) {
     if (recursive) return createRecursivelySync();
     var result = _create(path);
     if (result is OSError) {
@@ skipping 247 matching lines @@
       controller.addError(
           new DirectoryException("Directory listing failed",
                                  errorPath,
                                  err));
     } else {
       controller.addError(
           new DirectoryException("Internal error"));
     }
   }
 }