public static PoolEntry New(BDTypeDesc desc)
{
return(new PoolEntry()
{
TypeDesc = desc,
ArrayLength = 1,
});
}
public void FromStream <TDoc, TCursor>(IO.TagElementStream <TDoc, TCursor, string> s)
where TDoc : class
where TCursor : class
{
TypeDesc = BDTypeDesc.GuessFromStream(s, out ArrayLength);
// #TODO
throw new NotImplementedException();
}
internal void Read(BinaryDataTreeMemoryPool pool, BinaryDataTreeNameValue nameValue)
{
TypeDesc = nameValue.GuessTypeDesc();
bool direct_encoding = nameValue.DirectEncoding;
uint total_data_size = nameValue.Size;
if (nameValue.SizeIsIndirect)
{
if (direct_encoding)
{
throw new InvalidOperationException();
}
total_data_size = pool.GetSizeValue(nameValue.Offset);
if (total_data_size < BinaryDataTreeNameValue.kIndirectSizeThreshold)
{
throw new InvalidOperationException();
}
}
if (TypeDesc.SizeOf > 0)
{
if ((total_data_size % TypeDesc.SizeOf) != 0)
{
throw new InvalidOperationException(nameValue.ToString());
}
ArrayLength = (int)(total_data_size / TypeDesc.SizeOf);
}
if (ArrayLength > 1)
{
if (Type != BinaryDataTreeVariantType.String)
{
OpaqueArrayRef = TypeDesc.MakeArray(ArrayLength);
}
pool.InternalBuffer.Seek(nameValue.Offset);
}
switch (Type)
{
case BinaryDataTreeVariantType.Null:
break;
case BinaryDataTreeVariantType.Bool:
if (ArrayLength > 1)
{
TypeDesc.ReadArray(pool.InternalBuffer, OpaqueArrayRef);
}
else
{
this.Bool = nameValue.Bool;
}
break;
case BinaryDataTreeVariantType.Int:
if (ArrayLength > 1)
{
TypeDesc.ReadArray(pool.InternalBuffer, OpaqueArrayRef);
}
else
{
if (TypeDesc.SizeOf < sizeof(long))
{
this.Int = nameValue.Int;
}
else
{
this.Int64 = pool.InternalBuffer.ReadUInt64();
}
}
break;
case BinaryDataTreeVariantType.Float:
if (ArrayLength > 1)
{
TypeDesc.ReadArray(pool.InternalBuffer, OpaqueArrayRef);
}
else
{
if (TypeDesc.SizeOf < sizeof(double))
{
this.Single = nameValue.Single;
}
else
{
this.Double = pool.InternalBuffer.ReadDouble();
}
}
break;
case BinaryDataTreeVariantType.String:
ArrayLength = 1;
if (!IsUnicode && total_data_size <= sizeof(uint))
{
var sb = new System.Text.StringBuilder();
for (uint x = 0, v = nameValue.Int; x < sizeof(uint); x++, v >>= Bits.kByteBitCount)
{
sb.Append((char)(v & 0xFF));
}
this.String = sb.ToString();
}
else
{
this.String = pool.InternalBuffer.ReadString(IsUnicode
? Memory.Strings.StringStorage.CStringUnicode
: Memory.Strings.StringStorage.CStringAscii);
}
break;
default: throw new KSoft.Debug.UnreachableException(Type.ToString());
}
}
