[dartium] Dart half of ScriptValue refactoring.

Source/bindings/dart/DartScriptValue.cpp

 /*
- * Copyright (C) 2012 Google Inc. All rights reserved.
+ * Copyright (C) 2014 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+
 #include "config.h"
 #include "bindings/dart/DartScriptValue.h"
 
-#include "bindings/dart/DartDOMData.h"
 #include "bindings/dart/DartUtilities.h"
+#include "bindings/dart/V8Converter.h"
+#include "platform/JSONValues.h"
 
 namespace WebCore {
 
-DartScriptValue::DartScriptValue(Dart_Handle value)
+DartScriptValue::~DartScriptValue()
 {
-    m_value = Dart_NewPersistentHandle(value);
 }
 
-DartScriptValue::~DartScriptValue()
+// FIXMEDART: Renamed toString in M36.
+bool DartScriptValue::getString(String& result) const
 {
-    if (!isIsolateAlive())
-        return;
+    if (hasNoValue())
+        return false;
 
-    DartIsolateScope scope(isolate());
-    Dart_DeletePersistentHandle(m_value);
+    Dart_Handle exception = 0;
+    DartStringAdapter string = DartUtilities::dartToString(m_value, exception);
+    if (exception)
+        return false;
+    result = string;
+    return true;
 }
 
+// FIXMEDART: Removed in M36.
+String DartScriptValue::toString() const
+{
+    String result;
+    if (!getString(result))
+        return String();
+    return result;
 }
+
+// FIXMEDART: Implement without conversion to v8.
+PassRefPtr<JSONValue> DartScriptValue::toJSONValue(ScriptState* scriptState) const
+{
+    Dart_Handle exception = 0;
+    v8::Handle<v8::Value> v8Value = V8Converter::toV8(m_value, exception);
+    if (exception) {
+        ASSERT_NOT_REACHED();
+        return nullptr;
+    }
+    ScriptValue v8ScriptValue(v8Value, scriptState->isolate());
+    return v8ScriptValue.toJSONValue(scriptState);
+}
+
+} // namespace WebCore