public static byte[] WriteObjectBinary(object root)
{
MemoryStream stream = new MemoryStream();
stream.WriteByte((byte)'b');
stream.WriteByte((byte)'p');
stream.WriteByte((byte)'l');
stream.WriteByte((byte)'i');
stream.WriteByte((byte)'s');
stream.WriteByte((byte)'t');
stream.WriteByte((byte)'0');
stream.WriteByte((byte)'0');
// var analytics = AnalyzeObject(root);
ObjectAnalytics analytics = ObjectAnalytics.Nil;
AnalyzeObject(root, ref analytics);
byte objectRefSize = MinBytesUnsignedInteger(analytics.NumberOfObject);
byte[] encodeBuffer = new byte[analytics.MaxStringEncodingBytes];
ulong objectIndex = 0;
List <ulong> offsetTable = new List <ulong>((int)analytics.NumberOfObject /* capacity */);
WriteObjectBinary(stream, root, objectRefSize, encodeBuffer, ref objectIndex, offsetTable);
byte offsetIntSize = MinOffsetIntSize(stream.Position, offsetTable.Count);
Trailer trailer = new Trailer()
{
ShortVersion = 0,
OffsetIntSize = offsetIntSize,
ObjectRefSize = objectRefSize,
NumObjects = analytics.NumberOfObject,
TopObject = 0,
OffsetTableOffset = (ulong)stream.Position,
};
foreach (ulong offset in offsetTable)
{
BigEndianWriter.WriteNBytesUnsignedInteger(stream, offset, offsetIntSize);
}
WriteTrailerBinary(stream, trailer);
return(stream.ToArray());
}
public static void AnalyzeObject(object root, ref ObjectAnalytics analytics)
{
if (root == null)
{
throw new PlistException("unsupported null");
}
if (
root is bool ||
root is int ||
root is double ||
root is DateTime ||
root is byte[]
)
{
analytics.NumberOfObject++;
return;
}
if (root is string)
{
analytics.MaxStringEncodingBytes = Math.Max(analytics.MaxStringEncodingBytes, (ulong)UTF16BE.GetMaxByteCount(((string)root).Length));
analytics.NumberOfObject++;
return;
}
if (root is PlistList)
{
foreach (var o in root as PlistList)
{
AnalyzeObject(o, ref analytics);
}
analytics.NumberOfObject++; /* me */
return;
}
if (root is PlistDictionary)
{
foreach (var o in root as PlistDictionary)
{
AnalyzeObject(o.Key, ref analytics);
AnalyzeObject(o.Value, ref analytics);
}
analytics.NumberOfObject++; /* me */
return;
}
throw new PlistException("undefined data type");
}
