third_party/WebKit/Source/bindings/core/v8/V8ObjectBuilder.cpp

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "bindings/core/v8/V8ObjectBuilder.h"

#include "bindings/core/v8/V8Binding.h"

namespace blink {

V8ObjectBuilder::V8ObjectBuilder(ScriptState* scriptState)
    : m_scriptState(scriptState),
      m_object(v8::Object::New(scriptState->isolate())) {}

V8ObjectBuilder& V8ObjectBuilder::add(const StringView& name,
                                      const V8ObjectBuilder& value) {
  addInternal(name, value.v8Value());
  return *this;
}

V8ObjectBuilder& V8ObjectBuilder::addNull(const StringView& name) {
  addInternal(name, v8::Null(m_scriptState->isolate()));
  return *this;
}

V8ObjectBuilder& V8ObjectBuilder::addBoolean(const StringView& name,
                                             bool value) {
  addInternal(name, value ? v8::True(m_scriptState->isolate())
                          : v8::False(m_scriptState->isolate()));
  return *this;
}

V8ObjectBuilder& V8ObjectBuilder::addNumber(const StringView& name,
                                            double value) {
  addInternal(name, v8::Number::New(m_scriptState->isolate(), value));
  return *this;
}

V8ObjectBuilder& V8ObjectBuilder::addString(const StringView& name,
                                            const StringView& value) {
  addInternal(name, v8String(m_scriptState->isolate(), value));
  return *this;
}

V8ObjectBuilder& V8ObjectBuilder::addStringOrNull(const StringView& name,
                                                  const StringView& value) {
  if (value.isNull()) {
    addInternal(name, v8::Null(m_scriptState->isolate()));
  } else {
    addInternal(name, v8String(m_scriptState->isolate(), value));
  }
  return *this;
}

ScriptValue V8ObjectBuilder::scriptValue() const {
  return ScriptValue(m_scriptState.get(), m_object);
}

void V8ObjectBuilder::addInternal(const StringView& name,
                                  v8::Local<v8::Value> value) {
  if (m_object.IsEmpty())
    return;
  if (value.IsEmpty() ||
      m_object
          ->CreateDataProperty(m_scriptState->context(),
                               v8String(m_scriptState->isolate(), name), value)
          .IsNothing())
    m_object.Clear();
}

}  // namespace blink