private static void SaveBoolean(Pickler /*!*/ pickler, object obj)
{
Debug.Assert(obj.GetType() == typeof(bool), "arg must be bool");
if ((bool)obj)
{
pickler.Write(Opcode.NewTrue);
}
else
{
pickler.Write(Opcode.NewFalse);
}
}
private static void SaveLong(Pickler /*!*/ pickler, object obj)
{
Debug.Assert(obj.GetType() == typeof(BigInteger), "arg must be long");
BigInteger bi = (BigInteger)obj;
if (bi.IsZero)
{
pickler.Write(Opcode.Long1);
pickler.WriteUInt8(0);
}
else if (bi <= MaxInt && bi >= MinInt)
{
pickler.Write(Opcode.Long1);
int value = (int)bi;
if (IsInt8(value))
{
pickler.WriteUInt8(1);
pickler._file.Write((char)(byte)value);
}
else if (IsInt16(value))
{
pickler.WriteUInt8(2);
pickler.WriteUInt8(value & 0xff);
pickler.WriteUInt8((value >> 8) & 0xff);
}
else
{
pickler.WriteUInt8(4);
pickler.WriteInt32(value);
}
}
else
{
byte[] dataBytes = bi.ToByteArray();
if (dataBytes.Length < 256)
{
pickler.Write(Opcode.Long1);
pickler.WriteUInt8(dataBytes.Length);
}
else
{
pickler.Write(Opcode.Long4);
pickler.WriteInt32(dataBytes.Length);
}
foreach (byte b in dataBytes)
{
pickler.WriteUInt8(b);
}
}
}
private static void SaveFloat(Pickler /*!*/ pickler, object obj)
{
Debug.Assert(obj.GetType() == typeof(double), "arg must be float");
pickler.Write(Opcode.BinFloat);
pickler.WriteFloat64(obj);
}
private static void SaveInteger(Pickler /*!*/ pickler, object obj)
{
Debug.Assert(obj.GetType() == typeof(int), "arg must be int");
if (IsUInt8(obj))
{
pickler.Write(Opcode.BinInt1);
pickler.WriteUInt8(obj);
}
else if (IsUInt16(obj))
{
pickler.Write(Opcode.BinInt2);
pickler.WriteUInt16(obj);
}
else
{
pickler.Write(Opcode.BinInt);
pickler.WriteInt32(obj);
}
}
private static void SaveList(Pickler /*!*/ pickler, object obj)
{
Debug.Assert(obj.GetType() == typeof(List <object>), "arg must be list");
Debug.Assert(!pickler.MemoContains(obj));
int index = pickler.MemoizeNew(obj);
pickler.Write(Opcode.EmptyList);
pickler.WritePut(index);
pickler.BatchAppends(((IEnumerable)obj).GetEnumerator());
}
private static void SaveUnicode(Pickler /*!*/ pickler, object obj)
{
Debug.Assert(obj.GetType() == typeof(string), "arg must be unicode");
Debug.Assert(!pickler.MemoContains(obj));
var memo = pickler._privMemo[obj] = pickler._privMemo.Count;
pickler.Write(Opcode.BinUnicode);
pickler.WriteUnicodeStringUtf8(obj);
pickler.WriteGetOrPut(false, memo);
}
private static void SaveDict(Pickler /*!*/ pickler, object obj)
{
Debug.Assert(obj.GetType() == typeof(Dictionary <string, object>), "arg must be dict");
Debug.Assert(!pickler.MemoContains(obj));
int index = pickler.MemoizeNew(obj);
pickler.Write(Opcode.EmptyDict);
pickler.WritePut(index);
pickler.BatchSetItems((Dictionary <string, object>)obj);
}
private static void SaveTuple(Pickler /*!*/ pickler, object obj)
{
Debug.Assert(obj.GetType() == typeof(object[]), "arg must be array");
Debug.Assert(!pickler.MemoContains(obj));
object[] t = (object[])obj;
byte opcode;
bool needMark = false;
int len = t.Length;
if (len == 0)
{
opcode = Opcode.EmptyTuple;
}
else if (len == 1)
{
opcode = Opcode.Tuple1;
}
else if (len == 2)
{
opcode = Opcode.Tuple2;
}
else if (len == 3)
{
opcode = Opcode.Tuple3;
}
else
{
opcode = Opcode.Tuple;
needMark = true;
}
if (needMark)
{
pickler.Write(Opcode.Mark);
}
var data = t;
for (int i = 0; i < data.Length; i++)
{
pickler.Save(data[i]);
}
if (len > 0)
{
if (pickler.MemoContains(obj))
{
// recursive tuple
for (int i = 0; i < len; i++)
{
pickler.Write(Opcode.Pop);
}
pickler.WriteGet(obj);
return;
}
pickler.Write(opcode);
pickler.Memoize(t);
pickler.WritePut(t);
}
else
{
pickler.Write(opcode);
}
}
private static void SaveNone(Pickler /*!*/ pickler, object obj)
{
Debug.Assert(obj == null, "arg must be None");
pickler.Write(Opcode.NoneValue);
}