[WIP] bindings: Introduce PropertyBag

Source/bindings/core/v8/Dictionary.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
  *     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.
  */
 
 #include "config.h"
 #include "bindings/core/v8/Dictionary.h"
 
-#include "bindings/core/v8/ArrayValue.h"
-#include "bindings/core/v8/ExceptionMessages.h"
-#include "bindings/core/v8/ExceptionState.h"
-#include "bindings/core/v8/V8Binding.h"
-#include "bindings/core/v8/V8DOMError.h"
-#include "bindings/core/v8/V8Element.h"
-#include "bindings/core/v8/V8EventTarget.h"
-#include "bindings/core/v8/V8MediaKeyError.h"
-#include "bindings/core/v8/V8MessagePort.h"
-#include "bindings/core/v8/V8Path2D.h"
-#include "bindings/core/v8/V8Storage.h"
-#include "bindings/core/v8/V8TextTrack.h"
-#include "bindings/core/v8/V8VoidCallback.h"
-#include "bindings/core/v8/V8Window.h"
-#include "bindings/core/v8/custom/V8ArrayBufferViewCustom.h"
-#include "bindings/core/v8/custom/V8Uint8ArrayCustom.h"
-#include "bindings/modules/v8/V8Gamepad.h"
-#include "bindings/modules/v8/V8Headers.h"
-#include "bindings/modules/v8/V8IDBKeyRange.h"
-#include "bindings/modules/v8/V8MIDIPort.h"
-#include "bindings/modules/v8/V8MediaStream.h"
-#include "bindings/modules/v8/V8SpeechRecognitionResult.h"
-#include "bindings/modules/v8/V8SpeechRecognitionResultList.h"
-#include "core/html/track/TrackBase.h"
-#include "modules/gamepad/Gamepad.h"
-#include "modules/indexeddb/IDBKeyRange.h"
-#include "modules/mediastream/MediaStream.h"
-#include "modules/speech/SpeechRecognitionResult.h"
-#include "modules/speech/SpeechRecognitionResultList.h"
-#include "wtf/MathExtras.h"
-
 namespace blink {
 
-Dictionary::Dictionary()
-    : m_isolate(0)
-{
-}
-
-Dictionary::Dictionary(const v8::Handle<v8::Value>& options, v8::Isolate* isolate)
-    : m_options(options)
-    , m_isolate(isolate)
-{
-    ASSERT(m_isolate);
-}
-
-Dictionary::~Dictionary()
-{
-}
-
-Dictionary& Dictionary::operator=(const Dictionary& optionsObject)
-{
-    m_options = optionsObject.m_options;
-    m_isolate = optionsObject.m_isolate;
-    return *this;
-}
-
-Dictionary Dictionary::createEmpty(v8::Isolate* isolate)
-{
-    return Dictionary(v8::Object::New(isolate), isolate);
-}
-
-bool Dictionary::isObject() const
-{
-    return !isUndefinedOrNull() && m_options->IsObject();
-}
-
-bool Dictionary::isUndefinedOrNull() const
-{
-    if (m_options.IsEmpty())
-        return true;
-    return blink::isUndefinedOrNull(m_options);
-}
-
-bool Dictionary::hasProperty(const String& key) const
-{
-    if (isUndefinedOrNull())
-        return false;
-    v8::Local<v8::Object> options = m_options->ToObject();
-    ASSERT(!options.IsEmpty());
-
-    ASSERT(m_isolate);
-    ASSERT(m_isolate == v8::Isolate::GetCurrent());
-    v8::Handle<v8::String> v8Key = v8String(m_isolate, key);
-    if (!options->Has(v8Key))
-        return false;
-
-    return true;
-}
-
-bool Dictionary::getKey(const String& key, v8::Local<v8::Value>& value) const
-{
-    if (isUndefinedOrNull())
-        return false;
-    v8::Local<v8::Object> options = m_options->ToObject();
-    ASSERT(!options.IsEmpty());
-
-    ASSERT(m_isolate);
-    ASSERT(m_isolate == v8::Isolate::GetCurrent());
-    v8::Handle<v8::String> v8Key = v8String(m_isolate, key);
-    if (!options->Has(v8Key))
-        return false;
-    value = options->Get(v8Key);
-    if (value.IsEmpty())
-        return false;
-    return true;
-}
-
-bool Dictionary::get(const String& key, v8::Local<v8::Value>& value) const
-{
-    return getKey(key, value);
-}
-
-bool Dictionary::getWithUndefinedOrNullCheck(const String& key, String& value) const
-{
-    v8::Local<v8::Value> v8Value;
-    if (!getKey(key, v8Value) || blink::isUndefinedOrNull(v8Value))
-        return false;
-
-    TOSTRING_DEFAULT(V8StringResource<>, stringValue, v8Value, false);
-    value = stringValue;
-    return true;
-}
-
-bool Dictionary::getWithUndefinedOrNullCheck(const String& key, RefPtrWillBeMember<Element>& value) const
-{
-    v8::Local<v8::Value> v8Value;
-    if (!getKey(key, v8Value) || blink::isUndefinedOrNull(v8Value))
-        return false;
-
-    value = V8Element::toImplWithTypeCheck(m_isolate, v8Value);
-    return true;
-}
-
-bool Dictionary::getWithUndefinedOrNullCheck(const String& key, RefPtrWillBeMember<Path2D>& value) const
-{
-    v8::Local<v8::Value> v8Value;
-    if (!getKey(key, v8Value) || blink::isUndefinedOrNull(v8Value))
-        return false;
-
-    value = V8Path2D::toImplWithTypeCheck(m_isolate, v8Value);
-    return true;
-}
-
-bool Dictionary::get(const String& key, Dictionary& value) const
-{
-    v8::Local<v8::Value> v8Value;
-    if (!getKey(key, v8Value))
-        return false;
-
-    if (v8Value->IsObject()) {
-        ASSERT(m_isolate);
-        ASSERT(m_isolate == v8::Isolate::GetCurrent());
-        value = Dictionary(v8Value, m_isolate);
-    }
-
-    return true;
-}
-
-bool Dictionary::set(const String& key, const v8::Handle<v8::Value>& value)
-{
-    if (isUndefinedOrNull())
-        return false;
-    v8::Local<v8::Object> options = m_options->ToObject();
-    ASSERT(!options.IsEmpty());
-
-    return options->Set(v8String(m_isolate, key), value);
-}
-
-bool Dictionary::set(const String& key, const String& value)
-{
-    return set(key, v8String(m_isolate, value));
-}
-
-bool Dictionary::set(const String& key, unsigned value)
-{
-    return set(key, v8::Integer::NewFromUnsigned(m_isolate, value));
-}
-
-bool Dictionary::set(const String& key, const Dictionary& value)
-{
-    return set(key, value.v8Value());
-}
-
-bool Dictionary::convert(ConversionContext& context, const String& key, Dictionary& value) const
-{
-    ConversionContextScope scope(context);
-
-    v8::Local<v8::Value> v8Value;
-    if (!getKey(key, v8Value))
-        return true;
-
-    if (v8Value->IsObject())
-        return get(key, value);
-
-    if (context.isNullable() && blink::isUndefinedOrNull(v8Value))
-        return true;
-
-    context.throwTypeError(ExceptionMessages::incorrectPropertyType(key, "does not have a Dictionary type."));
-    return false;
-}
-
 bool Dictionary::getOwnPropertiesAsStringHashMap(HashMap<String, String>& hashMap) const
 {
     if (!isObject())
         return false;
 
-    v8::Handle<v8::Object> options = m_options->ToObject();
+    v8::Handle<v8::Object> options = m_propertyBag->m_object;
     if (options.IsEmpty())
         return false;
 
     v8::Local<v8::Array> properties = options->GetOwnPropertyNames();
     if (properties.IsEmpty())
         return true;
     for (uint32_t i = 0; i < properties->Length(); ++i) {
         v8::Local<v8::String> key = properties->Get(i)->ToString();
         if (!options->Has(key))
             continue;
 
         v8::Local<v8::Value> value = options->Get(key);
         TOSTRING_DEFAULT(V8StringResource<>, stringKey, key, false);
         TOSTRING_DEFAULT(V8StringResource<>, stringValue, value, false);
         if (!static_cast<const String&>(stringKey).isEmpty())
             hashMap.set(stringKey, stringValue);
     }
 
     return true;
 }
 
 bool Dictionary::getOwnPropertyNames(Vector<String>& names) const
 {
     if (!isObject())
         return false;
 
-    v8::Handle<v8::Object> options = m_options->ToObject();
+    v8::Handle<v8::Object> options = m_propertyBag->m_object;
     if (options.IsEmpty())
         return false;
 
     v8::Local<v8::Array> properties = options->GetOwnPropertyNames();
     if (properties.IsEmpty())
         return true;
     for (uint32_t i = 0; i < properties->Length(); ++i) {
         v8::Local<v8::String> key = properties->Get(i)->ToString();
         if (!options->Has(key))
             continue;
         TOSTRING_DEFAULT(V8StringResource<>, stringKey, key, false);
         names.append(stringKey);
     }
 
     return true;
 }
 
-void Dictionary::ConversionContext::resetPerPropertyContext()
-{
-    if (m_dirty) {
-        m_dirty = false;
-        m_isNullable = false;
-        m_propertyTypeName = "";
-    }
-}
-
-Dictionary::ConversionContext& Dictionary::ConversionContext::setConversionType(const String& typeName, bool isNullable)
-{
-    ASSERT(!m_dirty);
-    m_dirty = true;
-    m_isNullable = isNullable;
-    m_propertyTypeName = typeName;
-
-    return *this;
-}
-
-void Dictionary::ConversionContext::throwTypeError(const String& detail)
-{
-    exceptionState().throwTypeError(detail);
-}
-
 } // namespace blink