[WIP][NotForLand] IDL dictionary support

Source/bindings/core/v8/DictionaryHelperForCore.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 372 matching lines @@
     v8::Local<v8::Array> v8Array = v8::Local<v8::Array>::Cast(v8Value);
     for (size_t i = 0; i < v8Array->Length(); ++i) {
         v8::Local<v8::Value> indexedValue = v8Array->Get(v8::Uint32::New(dictionary.isolate(), i));
         TOSTRING_DEFAULT(V8StringResource<>, stringValue, indexedValue, false);
         value.append(stringValue);
     }
 
     return true;
 }
 
+// FIXME: Remove this special casing. We should either remove DictionaryHelper
+// completely, or auto-generate DictionaryHelper::get<T>() if needed.
+template <>
+bool DictionaryHelper::get(const Dictionary& dictionary, const String& key, RefPtrWillBeMember<Element>& value)
+{
+    v8::Local<v8::Value> v8Value;
+    if (!dictionary.get(key, v8Value))
+        return false;
+
+    value = V8Element::toNativeWithTypeCheck(dictionary.isolate(), v8Value);
+    return true;
+}
+
+// FIXME: Remove this. See above comment.
+template <>
+bool DictionaryHelper::get(const Dictionary& dictionary, const String& key, WillBeHeapVector<RefPtrWillBeMember<Element> >& value)
+{
+    v8::Local<v8::Value> v8Value;
+    if (!dictionary.get(key, v8Value))
+        return false;
+    if (!v8Value->IsArray())
+        return false;
+    v8::Local<v8::Array> v8Array = v8::Local<v8::Array>::Cast(v8Value);
+    for (size_t i = 0; i < v8Array->Length(); ++i) {
+        v8::Local<v8::Value> indexedValue = v8Array->Get(v8::Uint32::New(dictionary.isolate(), i));
+        value.append(V8Element::toNativeWithTypeCheck(dictionary.isolate(), indexedValue));
+    }
+    return true;
+}
+
 template <>
 bool DictionaryHelper::convert(const Dictionary& dictionary, Dictionary::ConversionContext& context, const String& key, Vector<String>& value)
 {
     Dictionary::ConversionContextScope scope(context);
 
     v8::Local<v8::Value> v8Value;
     if (!dictionary.get(key, v8Value))
         return true;
 
     if (context.isNullable() && blink::isUndefinedOrNull(v8Value))
@@ skipping 243 matching lines @@
     Dictionary::ConversionContextScope scope(context);
 
     v8::Local<v8::Value> v8Value;
     if (!dictionary.get(key, v8Value))
         return true;
 
     return DictionaryHelper::get(dictionary, key, value);
 }
 
 } // namespace blink