src/third_party/blink/Source/bindings/core/v8/ScriptValue.cpp

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#include "config.h"
#include "bindings/core/v8/ScriptValue.h"

#include "bindings/core/v8/ScriptState.h"
#include "bindings/core/v8/V8Binding.h"
#include "platform/JSONValues.h"

namespace blink {

v8::Handle<v8::Value> ScriptValue::v8Value() const
{
    if (isEmpty())
        return v8::Handle<v8::Value>();

    ASSERT(isolate()->InContext());

    // This is a check to validate that you don't return a ScriptValue to a world different
    // from the world that created the ScriptValue.
    // Probably this could be:
    //   if (&m_scriptState->world() == &DOMWrapperWorld::current(isolate()))
    //       return v8::Handle<v8::Value>();
    // instead of triggering RELEASE_ASSERT.
    RELEASE_ASSERT(&m_scriptState->world() == &DOMWrapperWorld::current(isolate()));
    return m_value->newLocal(isolate());
}

v8::Handle<v8::Value> ScriptValue::v8ValueUnsafe() const
{
    if (isEmpty())
        return v8::Handle<v8::Value>();
    return m_value->newLocal(isolate());
}

bool ScriptValue::toString(String& result) const
{
    if (isEmpty())
        return false;

    ScriptState::Scope scope(m_scriptState.get());
    v8::Handle<v8::Value> string = v8Value();
    if (string.IsEmpty() || !string->IsString())
        return false;
    result = toCoreString(v8::Handle<v8::String>::Cast(string));
    return true;
}

PassRefPtr<JSONValue> ScriptValue::toJSONValue(ScriptState* scriptState) const
{
    ASSERT(scriptState->contextIsValid());
    ScriptState::Scope scope(scriptState);
    return v8ToJSONValue(scriptState->isolate(), v8Value(), JSONValue::maxDepth);
}

} // namespace blink