public void Int64ReadWrite()
{
Int64 value;
Int64 result;
value = 20;
ResetPosition();
_writer.WriteInt64(value);
ResetPosition();
result = _reader.ReadInt64();
Assert.AreEqual(value, result);
//Multiple bytes
value = 300000000;
ResetPosition();
_writer.WriteInt64(value);
ResetPosition();
result = _reader.ReadInt64();
Assert.AreEqual(value, result);
//Negative Values
value = -30;
ResetPosition();
_writer.WriteInt64(value);
ResetPosition();
result = _reader.ReadInt64();
Assert.AreEqual(value, result);
//Int 32 Max Values + 1
value = 2147483648;
ResetPosition();
_writer.WriteInt64(value);
ResetPosition();
result = _reader.ReadInt64();
Assert.AreEqual(value, result);
//Int 32 Min Values - 1
value = -2147483649;
ResetPosition();
_writer.WriteInt64(value);
ResetPosition();
result = _reader.ReadInt64();
Assert.AreEqual(value, result);
}
public List<TableRow> DeserializeUTFChunk(byte[] chunk)
{
m_chunk = chunk;
if (!Binary.AsciiEqual (m_chunk, 0, "@UTF"))
throw new InvalidFormatException();
var chunk_length = BigEndian.ToInt32 (m_chunk, 4);
using (var mem = new MemoryStream (m_chunk, 8, chunk_length))
using (var input = new BigEndianReader (mem))
{
int rows_offset = input.ReadInt32();
int strings_offset = input.ReadInt32() + 8;
int data_offset = input.ReadInt32() + 8;
input.Skip (4);
int column_count = input.ReadInt16();
int row_length = input.ReadInt16();
int row_count = input.ReadInt32();
var columns = new List<Column> (column_count);
for (int i = 0; i < column_count; ++i)
{
byte flags = input.ReadByte();
if (0 == flags)
{
input.Skip (3);
flags = input.ReadByte();
}
int name_offset = strings_offset + input.ReadInt32();
var column = new Column
{
Flags = (TableFlags)flags,
Name = ReadString (name_offset),
};
columns.Add (column);
}
var table = new List<TableRow> (row_count);
int next_offset = rows_offset;
for (int i = 0; i < row_count; ++i)
{
input.Position = next_offset;
next_offset += row_length;
var row = new TableRow (column_count);
table.Add (row);
foreach (var column in columns)
{
var storage = column.Flags & TableFlags.StorageMask;
if (TableFlags.StorageNone == storage
|| TableFlags.StorageZero == storage
|| TableFlags.StorageConstant == storage)
continue;
switch (column.Flags & TableFlags.TypeMask)
{
case TableFlags.TypeByte:
row[column.Name] = (int)input.ReadByte();
break;
case TableFlags.TypeSByte:
row[column.Name] = (int)input.ReadSByte();
break;
case TableFlags.TypeUInt16:
row[column.Name] = (int)input.ReadUInt16();
break;
case TableFlags.TypeInt16:
row[column.Name] = (int)input.ReadInt16();
break;
case TableFlags.TypeUInt32:
case TableFlags.TypeInt32:
row[column.Name] = input.ReadInt32();
break;
case TableFlags.TypeUInt64:
case TableFlags.TypeInt64:
row[column.Name] = input.ReadInt64();
break;
case TableFlags.TypeFloat32:
row[column.Name] = input.ReadSingle();
break;
case TableFlags.TypeString:
{
int offset = strings_offset + input.ReadInt32();
row[column.Name] = ReadString (offset);
break;
}
case TableFlags.TypeData:
{
int offset = data_offset + input.ReadInt32();
int length = input.ReadInt32();
row[column.Name] = m_chunk.Skip (offset).Take (length).ToArray();
break;
}
default:
throw new NotSupportedException();
}
}
}
return table;
}
}
public NbtTag Read(NbtTagType type)
{
int length;
switch (type)
{
case NbtTagType.End:
return(null);
case NbtTagType.Byte:
return(NbtTag.Create(_reader.ReadByte()));
case NbtTagType.Short:
return(NbtTag.Create(_reader.ReadInt16()));
case NbtTagType.Int:
return(NbtTag.Create(_reader.ReadInt32()));
case NbtTagType.Long:
return(NbtTag.Create(_reader.ReadInt64()));
case NbtTagType.Float:
return(NbtTag.Create(_reader.ReadSingle()));
case NbtTagType.Double:
return(NbtTag.Create(_reader.ReadDouble()));
case NbtTagType.ByteArray:
length = _reader.ReadInt32();
return(NbtTag.Create(_reader.ReadBytes(length)));
case NbtTagType.String:
length = _reader.ReadInt16();
byte[] array = _reader.ReadBytes(length);
return(NbtTag.Create(Encoding.UTF8.GetString(array)));
case NbtTagType.List:
NbtTagType listType = (NbtTagType)_reader.ReadByte();
if (listType < NbtTagType.End || listType > NbtTagType.Compound)
{
throw new FormatException("'" + (int)type + "' is not a valid ListType.");
}
int count = _reader.ReadInt32();
NbtTag list = NbtTag.CreateList(listType);
for (int i = 0; i < count; i++)
{
list.Add(Read(listType));
}
return(list);
case NbtTagType.Compound:
NbtTag compound = NbtTag.CreateCompound();
while (true)
{
string name;
NbtTag item = Read(out name);
if (item == null)
{
return(compound);
}
compound.Add(name, item);
}
case NbtTagType.IntArray:
length = _reader.ReadInt32();
int[] intArray = new int[length];
for (int i = 0; i < length; i++)
{
intArray[i] = _reader.ReadInt32();
}
return(NbtTag.Create(intArray));
default:
throw new FormatException("'" + (int)type + "' is not a valid TagType.");
}
}
public IEnumerable GetContents()
{
var chars = TypeTag.ToArray();
var activeArrays = new Stack <ArrayList>();
using (var reader = new BigEndianReader(GetContentStream()))
{
for (int i = 1; i < chars.Length; i++)
{
object content;
switch (chars[i])
{
case Osc.TypeTag.Int32:
content = reader.ReadInt32();
break;
case Osc.TypeTag.Float:
content = reader.ReadSingle();
break;
case Osc.TypeTag.String:
case Osc.TypeTag.Alternate:
content = MessageParser.ReadString(reader);
break;
case Osc.TypeTag.Blob:
content = MessageParser.ReadBlob(reader);
break;
case Osc.TypeTag.Int64:
content = reader.ReadInt64();
break;
case Osc.TypeTag.TimeTag:
content = MessageParser.ReadTimeTag(reader);
break;
case Osc.TypeTag.Double:
content = reader.ReadDouble();
break;
case Osc.TypeTag.Char:
content = MessageParser.ReadChar(reader);
break;
case Osc.TypeTag.True:
content = true;
break;
case Osc.TypeTag.False:
content = false;
break;
case Osc.TypeTag.Infinitum:
content = float.PositiveInfinity;
break;
case Osc.TypeTag.ArrayBegin:
activeArrays.Push(new ArrayList());
continue;
case Osc.TypeTag.ArrayEnd:
var array = activeArrays.Pop();
content = array.ToArray();
break;
default:
case Osc.TypeTag.Nil:
content = null;
break;
}
if (activeArrays.Count > 0)
{
var array = activeArrays.Peek();
array.Add(content);
}
else
{
yield return(content);
}
}
}
}
