#ifndef ScriptValue_h
#define ScriptValue_h
#include "bindings/v8/SharedPersistent.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"
#include "wtf/text/WTFString.h"
#include <v8.h>
namespace WebCore {
class JSONValue;
class ScriptState;
class ScriptValue {
public:
ScriptValue()
: m_isolate(0)
{ }
virtual ~ScriptValue();
ScriptValue(v8::Handle<v8::Value> value, v8::Isolate* isolate)
: m_isolate(isolate)
, m_value(value.IsEmpty() ? nullptr : SharedPersistent<v8::Value>::create(value, isolate))
{
}
ScriptValue(const ScriptValue& value)
: m_isolate(value.m_isolate)
, m_value(value.m_value)
{
}
v8::Isolate* isolate() const
{
if (!m_isolate)
m_isolate = v8::Isolate::GetCurrent();
return m_isolate;
}
static ScriptValue createNull()
{
v8::Isolate* isolate = v8::Isolate::GetCurrent();
return ScriptValue(v8::Null(isolate), isolate);
}
static ScriptValue createBoolean(bool b)
{
v8::Isolate* isolate = v8::Isolate::GetCurrent();
return ScriptValue(b ? v8::True(isolate) : v8::False(isolate), isolate);
}
ScriptValue& operator=(const ScriptValue& value)
{
if (this != &value) {
m_value = value.m_value;
m_isolate = value.m_isolate;
}
return *this;
}
bool operator==(const ScriptValue& value) const
{
if (hasNoValue())
return value.hasNoValue();
if (value.hasNoValue())
return false;
return *m_value == *value.m_value;
}
bool isEqual(ScriptState*, const ScriptValue& value) const
{
return operator==(value);
}
bool isFunction() const
{
ASSERT(!hasNoValue());
v8::Handle<v8::Value> value = v8Value();
return !value.IsEmpty() && value->IsFunction();
}
bool operator!=(const ScriptValue& value) const
{
return !operator==(value);
}
bool isNull() const
{
ASSERT(!hasNoValue());
v8::Handle<v8::Value> value = v8Value();
return !value.IsEmpty() && value->IsNull();
}
bool isUndefined() const
{
ASSERT(!hasNoValue());
v8::Handle<v8::Value> value = v8Value();
return !value.IsEmpty() && value->IsUndefined();
}
bool isObject() const
{
ASSERT(!hasNoValue());
v8::Handle<v8::Value> value = v8Value();
return !value.IsEmpty() && value->IsObject();
}
bool hasNoValue() const
{
return !m_value.get() || m_value->isEmpty();
}
void clear()
{
m_value = nullptr;
}
v8::Handle<v8::Value> v8Value() const
{
return m_value.get() ? m_value->newLocal(m_isolate) : v8::Handle<v8::Value>();
}
bool getString(String& result) const;
String toString() const;
PassRefPtr<JSONValue> toJSONValue(ScriptState*) const;
private:
mutable v8::Isolate* m_isolate;
RefPtr<SharedPersistent<v8::Value> > m_value;
};
}
#endif