public InstructionReaderDump(System.IO.Stream dump)
{
// header(type, name.Length, il.Length)
byte[] header = new byte[sizeof(byte) + sizeof(int) * 2];
dump.Read(header, 0, header.Length);
IBinaryReader headerReader = new BinaryReader(header);
Type = (Context.OperandReaderContextType)headerReader.ReadByte();
byte[] nameBytes = new byte[headerReader.ReadInt()];
ilBytes = new byte[headerReader.ReadInt()];
// data
dump.Read(nameBytes, 0, nameBytes.Length);
dump.Read(ilBytes, 0, ilBytes.Length);
//
Name = DumpHelper.GetString(nameBytes);
metadata = DumpHelper.ReadMedatataItems(dump).ToArray();
DumpHelper.Read(ref @this, dump);
DumpHelper.Read(ref arguments, dump);
DumpHelper.Read(ref variables, dump);
DumpHelper.Read(methods.tokens, dump);
DumpHelper.Read(fields.tokens, dump);
DumpHelper.Read(types.tokens, dump);
DumpHelper.Read(members.tokens, dump);
DumpHelper.Read(strings.tokens, dump);
DumpHelper.Read(signatures.tokens, dump);
}
//
internal static IEnumerable <Readers.IMetadataItem> ReadMedatataItems(System.IO.Stream stream)
{
int count = DumpHelper.ReadInt(stream);
for (int i = 0; i < count; i++)
{
yield return(ReadMedatataItem(stream));
}
}
//
internal static void WriteMedatataItems(System.IO.Stream stream, IEnumerable <Readers.IMetadataItem> metadata)
{
var items = metadata.ToArray();
DumpHelper.Write(items.Length, stream); // count
for (int i = 0; i < items.Length; i++)
{
WriteMedatataItem(stream, items[i]);
}
}
static void WriteMetadataItemValue(System.IO.Stream stream, Readers.IMetadataItem item)
{
DumpHelper.Write(item.Value is int? 1 : 0, stream);
if (item.Value is int)
{
DumpHelper.Write((int)item.Value, stream);
}
else
{
DumpHelper.Write((item.Value ?? string.Empty).ToString(), stream);
}
}
static void WriteMedatataItem(System.IO.Stream stream, Readers.IMetadataItem item)
{
DumpHelper.Write(item.HasChildren ? 1 : 0, stream); // hasChildren
DumpHelper.Write(item.Name, stream); // name
if (!item.HasChildren)
{
WriteMetadataItemValue(stream, item);
}
else
{
WriteMedatataItems(stream, item.Children);
}
}
//
public static void Write(System.IO.Stream stream, Context.IOperandReaderContext context)
{
// type
stream.Write(new byte[] { (byte)context.Type }, 0, 1);
// name
byte[] nameBytes = null;
DumpHelper.GetBytes(ref nameBytes, context.Name);
DumpHelper.Write(nameBytes.Length, stream);
// IL
byte[] ILBytes = context.GetIL();
DumpHelper.Write(ILBytes.Length, stream);
// context data
stream.Write(nameBytes, 0, nameBytes.Length);
stream.Write(ILBytes, 0, ILBytes.Length);
// meta
DumpHelper.WriteMedatataItems(stream, context.GetMetadata());
// body
context.Dump(stream);
}
