| /* |
| * 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 |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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. |
| */ |
| |
| #ifndef DictionaryHelperForBindings_h |
| #define DictionaryHelperForBindings_h |
| |
| #include "Source/bindings/core/v8/Dictionary.h" |
| |
| namespace blink { |
| |
| template <typename T> |
| struct DictionaryHelperTraits { |
| }; |
| |
| template <template <typename> class PointerType, typename T> |
| bool DictionaryHelper::get(const Dictionary& dictionary, const String& key, PointerType<T>& value) |
| { |
| v8::Local<v8::Value> v8Value; |
| if (!dictionary.get(key, v8Value)) |
| return false; |
| |
| value = DictionaryHelperTraits<T>::type::toImplWithTypeCheck(dictionary.isolate(), v8Value); |
| return true; |
| } |
| |
| template <template <typename> class PointerType, typename T> |
| bool DictionaryHelper::convert(const Dictionary& dictionary, Dictionary::ConversionContext& context, const String& key, PointerType<T>& value) |
| { |
| Dictionary::ConversionContextScope scope(context); |
| |
| if (!DictionaryHelper::get(dictionary, key, value)) |
| return true; |
| |
| if (value) |
| return true; |
| |
| v8::Local<v8::Value> v8Value; |
| dictionary.get(key, v8Value); |
| if (context.isNullable() && blink::isUndefinedOrNull(v8Value)) |
| return true; |
| |
| context.throwTypeError(ExceptionMessages::incorrectPropertyType(key, "does not have a " + context.typeName() + " type.")); |
| return false; |
| } |
| |
| } // namespace blink |
| |
| #endif // DictionaryHelperForBindings_h |