///<summary>
///</summary>
///<param name = "type"></param>
///<returns></returns>
public static TypeInfo GetTypeInfo(Type type)
{
// check if Info is in cache
TypeInfo typeInfo = Cache.TryGetTypeInfo(type);
if (typeInfo == null)
{
// no info in cache yet
typeInfo = new TypeInfo();
typeInfo.Type = type;
typeInfo.IsSimple = Tools.IsSimple(type);
// new since v.2.16
// check if array of byte
if (type==typeof(byte[]))
{
typeInfo.ElementType = typeof (byte);
}
// Only not simple types can be Collections
if (!typeInfo.IsSimple)
{
// check if it is an Array
typeInfo.IsArray = Tools.IsArray(type);
if (typeInfo.IsArray)
{
// Array? What is its element type?
if (type.HasElementType)
{
typeInfo.ElementType = type.GetElementType();
}
// How many dimensions
typeInfo.ArrayDimensionCount = type.GetArrayRank();
}
else
{
// It is not Array, maybe Enumerable?
typeInfo.IsEnumerable = Tools.IsEnumerable(type);
if (typeInfo.IsEnumerable)
{
// it is Enumerable maybe Collection?
typeInfo.IsCollection = Tools.IsCollection(type);
if (typeInfo.IsCollection)
{
// Sure it is a Collection, but maybe Dictionary also?
typeInfo.IsDictionary = Tools.IsDictionary(type);
// Fill its key and value types, if the listing is generic
bool elementTypeDefinitionFound;
var examinedType = type;
do
{
elementTypeDefinitionFound = fillKeyAndElementType(typeInfo, examinedType);
examinedType = examinedType.BaseType;
// until key and element definition was found, or the base typ is an object
} while (!elementTypeDefinitionFound && examinedType!=null && examinedType!=typeof(object));
}
}
}
}
#if PORTABLE
Cache.AddIfNotExists(typeInfo);
#else
Cache.Add(typeInfo);
#endif
}
return typeInfo;
}
/// <summary>
///
/// </summary>
/// <param name="typeInfo"></param>
/// <param name="type"></param>
/// <returns>true if the key and value definition was found</returns>
private static bool fillKeyAndElementType(TypeInfo typeInfo, Type type)
{
if (type.IsGenericType)
{
Type[] arguments = type.GetGenericArguments();
if (typeInfo.IsDictionary)
{
// in Dictionary there are keys and values
typeInfo.KeyType = arguments[0];
typeInfo.ElementType = arguments[1];
}
else
{
// In Collection there are only items
typeInfo.ElementType = arguments[0];
}
return arguments.Length > 0;
}
return false;
}
