public static object GetMemberValue(this object target, string name, Type explicitType, ScriptValues.ValueType valueType)
{
if (valueType == ScriptValues.ValueType.Method || valueType == ScriptValues.ValueType.Constructor)
{
var bv = target;
var olt = bv as ObjectLiteral;
if (valueType == ScriptValues.ValueType.Constructor && olt != null)
{
return(olt[name]);
}
return(bv);
}
object targetObject;
bool isEnum;
MemberInfo mi = FindMember(target, name, explicitType, out targetObject, out isEnum);
ObjectLiteral ojl = targetObject as ObjectLiteral;
FunctionLiteral ful = targetObject as FunctionLiteral;
IDictionary <string, object> odi = targetObject as IDictionary <string, object>;
IBasicKeyValueProvider iba = targetObject as IBasicKeyValueProvider;
if (mi == null)
{
if (ojl != null)
{
return(ojl[name]);
}
if (ful != null)
{
return(ful.GetInitialScopeValue(name));
}
if (odi != null && odi.ContainsKey(name))
{
return(odi[name]);
}
else if (odi != null)
{
return(null);
}
if (iba != null && iba.ContainsKey(name))
{
return(iba[name]);
}
else if (iba != null)
{
return(null);
}
}
if (
isEnum)
{
return(Enum.Parse((Type)targetObject, name));
}
if (mi == null)
{
throw new ScriptException(string.Format("Member {0} is not declared on {1}", name,
targetObject));
}
if (mi is PropertyInfo)
{
PropertyInfo pi = (PropertyInfo)mi;
if (pi.CanRead)
{
return(pi.GetValue(targetObject, null));
}
return(null);
}
if (mi is FieldInfo)
{
return(((FieldInfo)mi).GetValue(targetObject));
}
if (mi is EventInfo)
{
return(null);
}
throw new ScriptException(string.Format("GetValue is not supported for MemberType {0}", mi.MemberType));
}
public static void SetMemberValue(this object target, string name, object value, Type explicitType, ScriptValues.ValueType valueType)
{
object targetObject;
bool isEnum;
MemberInfo mi = FindMember(target, name, explicitType, out targetObject, out isEnum);
ObjectLiteral ojl = targetObject as ObjectLiteral;
FunctionLiteral ful = targetObject as FunctionLiteral;
IDictionary <string, object> odi = targetObject as IDictionary <string, object>;
if (mi == null)
{
if (ojl != null)
{
ojl[name] = value;
return;
}
if (ful != null)
{
ful.SetInitialScopeValue(name, value);
return;
}
if (odi != null)
{
odi[name] = value;
return;
}
throw new ScriptException(string.Format("Member {0} is not declared on {1}", name,
targetObject));
}
PropertyInfo pi;
FieldInfo fi;
if (mi is PropertyInfo && (pi = (PropertyInfo)mi).CanWrite)
{
pi.SetValue(targetObject, value, null);
}
else if (mi is FieldInfo && !(fi = (FieldInfo)mi).IsLiteral)
{
fi.SetValue(targetObject, value);
}
else if (mi is EventInfo && value is FunctionLiteral)
{
FunctionLiteral fl = value as FunctionLiteral;
EventInfo ev = mi as EventInfo;
ev.AddEventHandler(targetObject, fl.CreateDelegate(ev.EventHandlerType));
}
else
{
throw new ScriptException(string.Format("SetValue is not supported for this Member ({0}", name));
}
}
public static Type GetMemberType(this object target, string name, Type explicitType, ScriptValues.ValueType valueType)
{
if (valueType == ScriptValues.ValueType.Method || valueType == ScriptValues.ValueType.Constructor)
{
return(null);
}
object targetObject;
bool isEnum;
MemberInfo mi = FindMember(target, name, explicitType, out targetObject, out isEnum);
ObjectLiteral ojl = targetObject as ObjectLiteral;
FunctionLiteral ful = targetObject as FunctionLiteral;
IDictionary <string, object> odi = targetObject as IDictionary <string, object>;
IBasicKeyValueProvider iba = targetObject as IBasicKeyValueProvider;
if (mi == null)
{
if (ojl != null)
{
return(ojl[name]?.GetType() ?? typeof(object));
}
if (ful != null)
{
return(ful.GetInitialScopeValue(name)?.GetType() ?? typeof(object));
}
if (odi != null && odi.ContainsKey(name))
{
return(odi[name]?.GetType() ?? typeof(object));
}
else if (odi != null)
{
return(null);
}
if (iba != null && iba.ContainsKey(name))
{
return(iba[name]?.GetType() ?? typeof(object));
}
else if (iba != null)
{
return(null);
}
}
if (isEnum)
{
return((Type)targetObject);
}
if (mi == null)
{
throw new ScriptException(string.Format("Member {0} is not declared on {1}", name,
targetObject));
}
if (mi is PropertyInfo pi)
{
if (pi.CanRead)
{
return(pi.PropertyType);
}
return(null);
}
if (mi is FieldInfo fi)
{
return(fi.FieldType);
}
if (mi is EventInfo ev)
{
return(ev.EventHandlerType);
}
throw new ScriptException(string.Format("GetValue is not supported for MemberType {0}", mi.MemberType));
}
