#ifndef JSDictionary_h
#define JSDictionary_h
#include "MessagePort.h"
#include <heap/Strong.h>
#include <heap/StrongInlines.h>
#include <interpreter/CallFrame.h>
#include <runtime/JSCInlines.h>
#include <runtime/Uint8Array.h>
#include <wtf/Forward.h>
namespace Deprecated {
class ScriptValue;
}
namespace WebCore {
class ArrayValue;
class CSSFontFaceRule;
class Dictionary;
class DOMError;
class DOMWindow;
class EventTarget;
class Gamepad;
class MediaKeyError;
class MediaStream;
class MediaStreamTrack;
class Node;
class SerializedScriptValue;
class Storage;
class TrackBase;
class VoidCallback;
#if ENABLE(SCRIPTED_SPEECH)
class SpeechRecognitionResultList;
#endif
class JSDictionary {
public:
JSDictionary(JSC::ExecState* exec, JSC::JSObject* initializerObject)
: m_exec(exec)
{
if (exec && initializerObject)
m_initializerObject = JSC::Strong<JSC::JSObject>(exec->vm(), initializerObject);
}
template <typename Result>
bool tryGetProperty(const char* propertyName, Result&) const;
template <typename T, typename Result>
bool tryGetProperty(const char* propertyName, T* context, void (*setter)(T* context, const Result&)) const;
template <typename Result>
bool get(const char* propertyName, Result&) const;
bool getWithUndefinedOrNullCheck(const String& propertyName, String& value) const;
JSC::ExecState* execState() const { return m_exec; }
JSC::JSObject* initializerObject() const { return m_initializerObject.get(); }
bool isValid() const { return m_exec && m_initializerObject; }
private:
template <typename Result>
struct IdentitySetter {
static void identitySetter(Result* context, const Result& result)
{
*context = result;
}
};
enum GetPropertyResult {
ExceptionThrown,
NoPropertyFound,
PropertyFound
};
template <typename T, typename Result>
GetPropertyResult tryGetPropertyAndResult(const char* propertyName, T* context, void (*setter)(T* context, const Result&)) const;
GetPropertyResult tryGetProperty(const char* propertyName, JSC::JSValue&) const;
static void convertValue(JSC::ExecState*, JSC::JSValue, bool& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, int& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, unsigned& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, unsigned short& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, unsigned long& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, unsigned long long& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, double& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, Dictionary& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, String& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, Deprecated::ScriptValue& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, Vector<String>& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, RefPtr<SerializedScriptValue>& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, RefPtr<DOMWindow>& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, RefPtr<EventTarget>& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, RefPtr<Node>& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, RefPtr<Storage>& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, MessagePortArray& result);
#if ENABLE(VIDEO_TRACK)
static void convertValue(JSC::ExecState*, JSC::JSValue, RefPtr<TrackBase>& result);
#endif
static void convertValue(JSC::ExecState*, JSC::JSValue, HashSet<AtomicString>& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, ArrayValue& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, RefPtr<JSC::Uint8Array>& result);
#if ENABLE(ENCRYPTED_MEDIA)
static void convertValue(JSC::ExecState*, JSC::JSValue, RefPtr<MediaKeyError>& result);
#endif
#if ENABLE(MEDIA_STREAM)
static void convertValue(JSC::ExecState*, JSC::JSValue, RefPtr<MediaStream>& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, RefPtr<MediaStreamTrack>& result);
#endif
#if ENABLE(FONT_LOAD_EVENTS)
static void convertValue(JSC::ExecState*, JSC::JSValue, RefPtr<CSSFontFaceRule>& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, RefPtr<DOMError>& result);
static void convertValue(JSC::ExecState*, JSC::JSValue, RefPtr<VoidCallback>& result);
#endif
#if ENABLE(SCRIPTED_SPEECH)
static void convertValue(JSC::ExecState*, JSC::JSValue, RefPtr<SpeechRecognitionResultList>&);
#endif
#if ENABLE(GAMEPAD)
static void convertValue(JSC::ExecState*, JSC::JSValue, RefPtr<Gamepad>&);
#endif
JSC::ExecState* m_exec;
JSC::Strong<JSC::JSObject> m_initializerObject;
};
template <typename T, typename Result>
bool JSDictionary::tryGetProperty(const char* propertyName, T* context, void (*setter)(T* context, const Result&)) const
{
return tryGetPropertyAndResult(propertyName, context, setter) != ExceptionThrown;
}
template <typename Result>
bool JSDictionary::tryGetProperty(const char* propertyName, Result& finalResult) const
{
return tryGetPropertyAndResult(propertyName, &finalResult, IdentitySetter<Result>::identitySetter) != ExceptionThrown;
}
template <typename Result>
bool JSDictionary::get(const char* propertyName, Result& finalResult) const
{
return tryGetPropertyAndResult(propertyName, &finalResult, IdentitySetter<Result>::identitySetter) == PropertyFound;
}
template <typename T, typename Result>
JSDictionary::GetPropertyResult JSDictionary::tryGetPropertyAndResult(const char* propertyName, T* context, void (*setter)(T* context, const Result&)) const
{
JSC::JSValue value;
GetPropertyResult getPropertyResult = tryGetProperty(propertyName, value);
switch (getPropertyResult) {
case ExceptionThrown:
return getPropertyResult;
case PropertyFound: {
Result result;
convertValue(m_exec, value, result);
if (m_exec->hadException())
return ExceptionThrown;
setter(context, result);
break;
}
case NoPropertyFound:
break;
}
return getPropertyResult;
}
}
#endif // JSDictionary_h