dart:io | Add 'recursive' flag to File.create and Link.create.

sdk/lib/io/file_impl.dart

Index: sdk/lib/io/file_impl.dart
diff --git a/sdk/lib/io/file_impl.dart b/sdk/lib/io/file_impl.dart
index 71dca70cef7204961ecce61f26c8437a4542c4f9..3ec561bf92636ab84d2a861773b71c7eb4a430f8 100644
--- a/sdk/lib/io/file_impl.dart
+++ b/sdk/lib/io/file_impl.dart
@@ -244,13 +244,17 @@ class _File extends FileSystemEntity implements File {
 
   FileStat statSync() => FileStat.statSync(path);
 
-  Future<File> create() {
-    return _IOService.dispatch(_FILE_CREATE, [path]).then((response) {
-      if (_isErrorResponse(response)) {
-        throw _exceptionFromResponse(response, "Cannot create file", path);
-      }
-      return this;
-    });
+  Future<File> create({bool recursive: false}) {
+    return new Future.value(null)
+      .then((_) => recursive ? parent.exists() : true)

[Anders Johnsen, 2013/10/30 12:23:56]

Any reason to call parent.exists()? It should do it automaticly in
parent.create. What about

  .then((_) => recursive ? parent.create(recursive: true) : true)
  .then((_) => _IOService.dispatch(_FILE_CREATE, [path]))

?

[Bill Hesse, 2013/10/30 15:07:37]

Done.

+      .then((exists) => exists ? null : parent.create(recursive: true))
+      .then((_) => _IOService.dispatch(_FILE_CREATE, [path]))
+      .then((response) {
+        if (_isErrorResponse(response)) {
+          throw _exceptionFromResponse(response, "Cannot create file", path);
+        }
+        return this;
+      });
   }
 
   external static _create(String path);
@@ -259,7 +263,10 @@ class _File extends FileSystemEntity implements File {
 
   external static _linkTarget(String path);
 
-  void createSync() {
+  void createSync({bool recursive: false}) {
+    if (recursive && !parent.existsSync()) {

[Anders Johnsen, 2013/10/30 12:23:56]

Ditto.

[Bill Hesse, 2013/10/30 15:07:37]

Done.

+      parent.createSync(recursive: true);
+    }
     var result = _create(path);
     throwIfError(result, "Cannot create file", path);
   }