private static Func<object, object> GetFunc(string funcName, ObjectInstance exports)
{
var func = exports.Get(funcName);
if (func.IsUndefined() || func.IsNull())
{
return null;
}
if (func.Is<ICallable>())
{
return s =>
{
var model = JintProcessorHelper.ConvertStrongTypeToJsValue(s);
return func.Invoke(model).ToObject();
};
}
else
{
throw new InvalidPreprocessorException($"Invalid '{funcName}' variable definition. '{funcName} MUST be a function");
}
}
private JsValue Str(string key, ObjectInstance holder)
{
var value = holder.Get(key);
if (value.IsObject())
{
var toJson = value.AsObject().Get("toJSON");
if (toJson.IsObject())
{
var callableToJson = toJson.AsObject() as ICallable;
if (callableToJson != null)
{
value = callableToJson.Call(value, Arguments.From(key));
}
}
}
if (_replacerFunction != Undefined.Instance)
{
var replacerFunctionCallable = (ICallable)_replacerFunction.AsObject();
value = replacerFunctionCallable.Call(holder, Arguments.From(key, value));
}
if (value.IsObject())
{
var valueObj = value.AsObject();
switch (valueObj.Class)
{
case "Number":
value = TypeConverter.ToNumber(value);
break;
case "String":
value = TypeConverter.ToString(value);
break;
case "Boolean":
value = TypeConverter.ToPrimitive(value);
break;
case "Array":
value = SerializeArray(value.As<ArrayInstance>());
return value;
case "Object":
value = SerializeObject(value.AsObject());
return value;
}
}
if (value == Null.Instance)
{
return "null";
}
if (value.IsBoolean() && value.AsBoolean())
{
return "true";
}
if (value.IsBoolean() && !value.AsBoolean())
{
return "false";
}
if (value.IsString())
{
return Quote(value.AsString());
}
if (value.IsNumber())
{
if (GlobalObject.IsFinite(Undefined.Instance, Arguments.From(value)).AsBoolean())
{
return TypeConverter.ToString(value);
}
return "null";
}
var isCallable = value.IsObject() && value.AsObject() is ICallable;
if (value.IsObject() && isCallable == false)
{
if (value.AsObject().Class == "Array")
{
return SerializeArray(value.As<ArrayInstance>());
}
return SerializeObject(value.AsObject());
}
return JsValue.Undefined;
}
/// <summary>
/// Loads this plugin
/// </summary>
public override void Load()
{
// Load the plugin
LoadSource();
if (JavaScriptEngine.GetValue(Name).TryCast<ObjectInstance>() == null) throw new Exception("Plugin is missing main object");
Class = JavaScriptEngine.GetValue(Name).AsObject();
if (!Class.HasProperty("Name"))
Class.FastAddProperty("Name", Name, true, false, true);
else
Class.Put("Name", Name, true);
// Read plugin attributes
if (!Class.HasProperty("Title") || string.IsNullOrEmpty(Class.Get("Title").AsString())) throw new Exception("Plugin is missing title");
if (!Class.HasProperty("Author") || string.IsNullOrEmpty(Class.Get("Author").AsString())) throw new Exception("Plugin is missing author");
if (!Class.HasProperty("Version") || Class.Get("Version").ToObject() == null) throw new Exception("Plugin is missing version");
Title = Class.Get("Title").AsString();
Author = Class.Get("Author").AsString();
Version = (VersionNumber) Class.Get("Version").ToObject();
if (Class.HasProperty("Description")) Description = Class.Get("Description").AsString();
if (Class.HasProperty("ResourceId")) ResourceId = (int)Class.Get("ResourceId").AsNumber();
HasConfig = Class.HasProperty("HasConfig") && Class.Get("HasConfig").AsBoolean();
// Set attributes
Class.FastAddProperty("Plugin", JsValue.FromObject(JavaScriptEngine, this), true, false, true);
Globals = new Dictionary<string, ICallable>();
foreach (var property in Class.GetOwnProperties())
{
var callable = property.Value.Value?.TryCast<ICallable>();
if (callable != null) Globals.Add(property.Key, callable);
}
foreach (var property in Class.Prototype.GetOwnProperties())
{
var callable = property.Value.Value?.TryCast<ICallable>();
if (callable != null) Globals.Add(property.Key, callable);
}
if (!HasConfig) HasConfig = Globals.ContainsKey("LoadDefaultConfig");
// Bind any base methods (we do it here because we don't want them to be hooked)
BindBaseMethods();
}