/**
* <summary>Read dictionary.</summary>
*/
private static object ReadDictionary(PortableReaderImpl ctx, Type type)
{
PortableCollectionInfo info = PortableCollectionInfo.Info(type);
return(info.IsGenericDictionary
? info.ReadGeneric(ctx)
: PortableUtils.ReadDictionary(ctx, null));
}
/**
* <summary>Write generic dictionary.</summary>
*/
private static void WriteGenericDictionary(PortableWriterImpl ctx, object obj)
{
PortableCollectionInfo info = PortableCollectionInfo.Info(obj.GetType());
Debug.Assert(info.IsGenericDictionary, "Not generic dictionary: " + obj.GetType().FullName);
ctx.Stream.WriteByte(PortableUtils.TypeDictionary);
info.WriteGeneric(ctx, obj);
}
/// <summary>
/// Get's metadata field type ID for the given type.
/// </summary>
/// <param name="type">Type.</param>
/// <returns>Type ID.</returns>
private static int TypeId(Type type)
{
int typeId;
if (TypeIds.TryGetValue(type, out typeId))
{
return(typeId);
}
if (type.IsEnum)
{
return(PortableUtils.TypeEnum);
}
if (type.IsArray)
{
return(type.GetElementType().IsEnum ? PortableUtils.TypeArrayEnum : PortableUtils.TypeArray);
}
PortableCollectionInfo colInfo = PortableCollectionInfo.Info(type);
return(colInfo.IsAny ? colInfo.IsCollection || colInfo.IsGenericCollection ?
PortableUtils.TypeCollection : PortableUtils.TypeDictionary : PortableUtils.TypeObject);
}
/**
* <summary>Get write handler for type.</summary>
* <param name="type">Type.</param>
* <returns>Handler or null if cannot be hanled in special way.</returns>
*/
public static PortableSystemWriteDelegate WriteHandler(Type type)
{
PortableSystemWriteDelegate handler;
if (WriteHandlers.TryGetValue(type, out handler))
{
return(handler);
}
// 1. Array?
if (type.IsArray)
{
if (type.GetElementType().IsEnum)
{
return(WriteEnumArray);
}
return(WriteArray);
}
// 2. Enum?
if (type.IsEnum)
{
return(WriteEnum);
}
// 3. Collection?
PortableCollectionInfo info = PortableCollectionInfo.Info(type);
if (info.IsAny)
{
return(info.WriteHandler);
}
// No special handler found.
return(null);
}