Latest attempt to polymer-build scripts in fix windows

pkg/polymer/lib/src/transform/common.dart

 // Copyright (c) 2013, 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.
 
 /** Common methods used by transfomers. */
 library polymer.src.transform.common;
 
 import 'dart:async';
 
 import 'package:barback/barback.dart';
@@ skipping 21 matching lines @@
     }
   }
   return document;
 }
 
 /** Additional options used by polymer transformers */
 class TransformOptions {
   String currentPackage;
   List<String> entryPoints;
 
-  TransformOptions([this.currentPackage, this.entryPoints]);
+  TransformOptions([this.currentPackage, entryPoints])
+      : entryPoints = entryPoints == null ? null
+          : entryPoints.map(_systemToAssetPath).toList();
 
   /** Whether an asset with [id] is an entry point HTML file. */
   bool isHtmlEntryPoint(AssetId id) {
     if (id.extension != '.html') return false;
 
     // Note: [id.path] is a relative path from the root of a package.
-    if (!id.path.startsWith('web/') &&
-        !id.path.startsWith('test/')) return false;
+    if (currentPackage == null || entryPoints == null) {

[Siggi Cherem (dart-lang), 2013/09/12 22:11:29]

this change is not needed, but I think it's better this way.

Before if you specified entrypoint = "example/foo.dart', we would say here that
this it is not an entrypoint because it is not under web/ or test/.

This changes it so that the entrypoint list takes priority.

+      return id.path.startsWith('web/') || id.path.startsWith('test/');
+    }
 
-    if (currentPackage == null || entryPoints == null) return true;
     return id.package == currentPackage && entryPoints.contains(id.path);
   }
 }
 
 /** Mixin for polymer transformers. */
 abstract class PolymerTransformer {
   TransformOptions get options;
 
   Future<Document> readPrimaryAsHtml(Transform transform) {
     var asset = transform.primaryInput;
@@ skipping 78 matching lines @@
   // Use relative urls only if it's possible.
   if (id.package != sourceId.package) {
     logger.error("don't know how to refer to $id from $sourceId");
     return null;
   }
 
   var builder = path.url;
   return builder.relative(builder.join('/', id.path),
       from: builder.join('/', builder.dirname(sourceId.path)));
 }
+
+
+/** Convert system paths to asset paths (asset paths are posix style). */
+String _systemToAssetPath(String assetPath) {
+  if (path.Style.platform != path.Style.windows) return assetPath;
+  return path.posix.joinAll(path.split(assetPath));
+}