protected unsafe void InitDna(byte[] bdnaOrg)
{
if (_dna != IntPtr.Zero)
{
return;
}
_dnaLength = bdnaOrg.Length;
_dna = Marshal.AllocHGlobal(bdnaOrg.Length);
Marshal.Copy(bdnaOrg, 0, _dna, _dnaLength);
Stream stream = new UnmanagedMemoryStream((byte*)_dna.ToPointer(), _dnaLength);
BinaryReader reader = new BinaryReader(stream);
// SDNA
byte[] code = reader.ReadBytes(8);
string codes = ASCIIEncoding.ASCII.GetString(code);
// NAME
if (!codes.Equals("SDNANAME"))
{
throw new InvalidDataException();
}
int dataLen = reader.ReadInt32();
_names = new Dna.NameInfo[dataLen];
for (int i = 0; i < dataLen; i++)
{
List<byte> name = new List<byte>();
byte ch = reader.ReadByte();
while (ch != 0)
{
name.Add(ch);
ch = reader.ReadByte();
}
_names[i] = new Dna.NameInfo(ASCIIEncoding.ASCII.GetString(name.ToArray()));
}
stream.Position = (stream.Position + 3) & ~3;
// TYPE
code = reader.ReadBytes(4);
codes = ASCIIEncoding.ASCII.GetString(code);
if (!codes.Equals("TYPE"))
{
throw new InvalidDataException();
}
dataLen = reader.ReadInt32();
_types = new Dna.TypeDecl[dataLen];
for (int i = 0; i < dataLen; i++)
{
List<byte> name = new List<byte>();
byte ch = reader.ReadByte();
while (ch != 0)
{
name.Add(ch);
ch = reader.ReadByte();
}
string type = ASCIIEncoding.ASCII.GetString(name.ToArray());
_types[i] = new Dna.TypeDecl(type);
}
stream.Position = (stream.Position + 3) & ~3;
// TLEN
code = reader.ReadBytes(4);
codes = ASCIIEncoding.ASCII.GetString(code);
if (!codes.Equals("TLEN"))
{
throw new InvalidDataException();
}
for (int i = 0; i < _types.Length; i++)
{
_types[i].Length = reader.ReadInt16();
}
stream.Position = (stream.Position + 3) & ~3;
// STRC
code = reader.ReadBytes(4);
codes = ASCIIEncoding.ASCII.GetString(code);
if (!codes.Equals("STRC"))
{
throw new InvalidDataException();
}
dataLen = reader.ReadInt32();
_structs = new Dna.StructDecl[dataLen];
long shtPtr = stream.Position;
for (int i = 0; i < dataLen; i++)
{
Dna.StructDecl structDecl = new Dna.StructDecl();
_structs[i] = structDecl;
if (!BitConverter.IsLittleEndian)
{
throw new NotImplementedException();
}
else
{
short typeNr = reader.ReadInt16();
structDecl.Type = _types[typeNr];
structDecl.Type.Struct = structDecl;
int numElements = reader.ReadInt16();
structDecl.Elements = new Dna.ElementDecl[numElements];
for (int j = 0; j < numElements; j++)
{
typeNr = reader.ReadInt16();
short nameNr = reader.ReadInt16();
structDecl.Elements[j] = new Dna.ElementDecl(_types[typeNr], _names[nameNr]);
}
}
}
reader.Dispose();
stream.Dispose();
// build reverse lookups
_structReverse = new Dictionary<string, Dna.StructDecl>(_structs.Length);
foreach (Dna.StructDecl s in _structs)
{
_structReverse.Add(s.Type.Name, s);
}
}
protected unsafe void InitDna(byte[] bdnaOrg)
{
if (_dna != IntPtr.Zero)
{
return;
}
_dnaLength = bdnaOrg.Length;
_dna = Marshal.AllocHGlobal(bdnaOrg.Length);
Marshal.Copy(bdnaOrg, 0, _dna, _dnaLength);
Stream stream = new UnmanagedMemoryStream((byte *)_dna.ToPointer(), _dnaLength);
BinaryReader reader = new BinaryReader(stream);
// SDNA
byte[] code = reader.ReadBytes(8);
string codes = ASCIIEncoding.ASCII.GetString(code);
// NAME
if (!codes.Equals("SDNANAME"))
{
throw new InvalidDataException();
}
int dataLen = reader.ReadInt32();
_names = new Dna.NameInfo[dataLen];
for (int i = 0; i < dataLen; i++)
{
List <byte> name = new List <byte>();
byte ch = reader.ReadByte();
while (ch != 0)
{
name.Add(ch);
ch = reader.ReadByte();
}
_names[i] = new Dna.NameInfo(ASCIIEncoding.ASCII.GetString(name.ToArray()));
}
stream.Position = (stream.Position + 3) & ~3;
// TYPE
code = reader.ReadBytes(4);
codes = ASCIIEncoding.ASCII.GetString(code);
if (!codes.Equals("TYPE"))
{
throw new InvalidDataException();
}
dataLen = reader.ReadInt32();
_types = new Dna.TypeDecl[dataLen];
for (int i = 0; i < dataLen; i++)
{
List <byte> name = new List <byte>();
byte ch = reader.ReadByte();
while (ch != 0)
{
name.Add(ch);
ch = reader.ReadByte();
}
string type = ASCIIEncoding.ASCII.GetString(name.ToArray());
_types[i] = new Dna.TypeDecl(type);
}
stream.Position = (stream.Position + 3) & ~3;
// TLEN
code = reader.ReadBytes(4);
codes = ASCIIEncoding.ASCII.GetString(code);
if (!codes.Equals("TLEN"))
{
throw new InvalidDataException();
}
for (int i = 0; i < _types.Length; i++)
{
_types[i].Length = reader.ReadInt16();
}
stream.Position = (stream.Position + 3) & ~3;
// STRC
code = reader.ReadBytes(4);
codes = ASCIIEncoding.ASCII.GetString(code);
if (!codes.Equals("STRC"))
{
throw new InvalidDataException();
}
dataLen = reader.ReadInt32();
_structs = new Dna.StructDecl[dataLen];
// NU long shtPtr = stream.Position;
for (int i = 0; i < dataLen; i++)
{
Dna.StructDecl structDecl = new Dna.StructDecl();
_structs[i] = structDecl;
if (!BitConverter.IsLittleEndian)
{
throw new NotImplementedException();
}
else
{
short typeNr = reader.ReadInt16();
structDecl.Type = _types[typeNr];
structDecl.Type.Struct = structDecl;
int numElements = reader.ReadInt16();
structDecl.Elements = new Dna.ElementDecl[numElements];
for (int j = 0; j < numElements; j++)
{
typeNr = reader.ReadInt16();
short nameNr = reader.ReadInt16();
structDecl.Elements[j] = new Dna.ElementDecl(_types[typeNr], _names[nameNr]);
}
}
}
reader.Dispose();
stream.Dispose();
// build reverse lookups
_structReverse = new Dictionary <string, Dna.StructDecl>(_structs.Length);
foreach (Dna.StructDecl s in _structs)
{
_structReverse.Add(s.Type.Name, s);
}
}
