public static ParseAttribute GetParseAttribute(this MemberInfo member, Type[] actualTypeInheritanceHierarchy)
{
ParseAttribute pa = _parseAttributeCache.GetOrAdd(member, (m) => GetParseAttributeInternal(m, actualTypeInheritanceHierarchy));
//ParseAttribute pa;
//if (!_parseAttributeCache.Value.TryGetValue(member, out pa))
//{
// pa = GetParseAttributeInternal(member, actualTypeInheritanceHierarchy);
// _parseAttributeCache.Value.Add(member, pa);
//}
return(pa);
}
/// <summary>
/// Gets the default or declared parse attribute for the specified member.
/// </summary>
/// <param name="member"></param>
/// <returns></returns>
private static ParseAttribute GetParseAttributeInternal(this MemberInfo member, Type[] actualTypeInheritanceHierarchy)
{
// march up the stack, starting at the actual type's base. If we find the member before we find a ParseExplicit, we're ok to parse this.
// If we find a parseExplicity first, then we know we can't parse this member. If a member is declared in the first class that we see ParseExplicit,
// keep it, because we define ParseExplicit as "keep for this and all derived types"
for (int i = actualTypeInheritanceHierarchy.Length - 1; i >= 0; i--)
{
if (member.DeclaringType.Equals(actualTypeInheritanceHierarchy[i]))
{
break;
}
if (actualTypeInheritanceHierarchy[i].DoNotParseInherited())
{
return(DefaultIgnoreAttribute);
}
}
ParseAttribute parseAttribute = (ParseAttribute)Attribute.GetCustomAttribute(member, typeof(ParseAttribute));
if (IsIndexer(member))
{
Helper.CheckCondition <ParseException>(parseAttribute == null || parseAttribute.Action == ParseAction.Ignore, "Can't parse an Indexer.");
return(DefaultIgnoreAttribute);
}
PropertyInfo property = member as PropertyInfo;
if (parseAttribute == null)
{
FieldInfo field = member as FieldInfo;
if (field != null)
{
return(field.IsPublic ? DefaultOptionalAttribute : DefaultIgnoreAttribute);
}
else if (property != null)
{
parseAttribute = property.GetGetMethod() != null && property.GetSetMethod() != null && property.GetGetMethod().IsPublic&& property.GetSetMethod().IsPublic ? // either will be null if don't exist or non-public
DefaultOptionalAttribute : DefaultIgnoreAttribute;
}
else
{
parseAttribute = DefaultIgnoreAttribute;
}
}
return(parseAttribute);
}
public static string GetDefaultParametersOrNull(this MemberInfo member)
{
ParseAttribute parseAttribute = (ParseAttribute)Attribute.GetCustomAttribute(member, typeof(ParseAttribute));
return(parseAttribute == null ? null : parseAttribute.DefaultParameters);
}
public static Type GetParseTypeOrNull(this MemberInfo member)
{
ParseAttribute parseAttribute = (ParseAttribute)Attribute.GetCustomAttribute(member, typeof(ParseAttribute));
return(parseAttribute == null ? null : parseAttribute.ParseTypeOrNull);
}