constructeur plus évolué de l'objet scriptable File

File constructor

	QScriptValue File::constructor(QScriptContext *context, QScriptEngine *engine)
	{
		if(context->argumentCount() > 1)
		{
			throwError(context, engine, "ParameterCountError", tr("Incorrect parameter count"));
			return false;
		}
		if(context->argumentCount() == 1)
			return CodeClass::constructor(new File(context->argument(0).toString()), context, engine);
		else
			return CodeClass::constructor(new File, context, engine);
	}