public void Load(Stream s, StringBuilder builder)
{
Offset = s.ReadUIntLE();
Size = s.ReadUIntLE();
Util.Assume(s.AbosultePosition() % 4 == 0, "Name field not alligned");
using (var subStream = new SubStream(s, s_maxNameLen, "Invalid stream header (name too long)"))
{
var c = (char) subStream.ReadByteOrThrow();
while (c != '\0')
{
builder.Append(c);
c = (char)subStream.ReadByteOrThrow();
}
var padding = (builder.Length + 1)%4;
for (; padding > 0 && padding < 4 ; ++padding)
{
subStream.ReadByteOrThrow().AssumeEquals(
(byte)0,
"Expected a padding byte"
);
}
Name = builder.ToString();
builder.Remove(0, builder.Length);
}
}
internal void Load(Stream stream, long size)
{
stream.AssumeArgNotNull("stream");
size.AssumeArgGte(s_minSize, "size");
using(var subStream = new SubStream(stream, size, "Invalid meta-data root."))
{
subStream.ReadUIntLE().AssumeEquals(
0x424A5342U,
"Incorrect meta-data signature."
);
MajorVersion = subStream.ReadUShortLE();
MinorVersion = subStream.ReadUShortLE();
Reserved = subStream.ReadUIntLE();
var versionLen =
(int)(
subStream.ReadUIntLE().AssumeLte(
256,
"CLR Version string too long"
));
Util.Assume(
versionLen % 4 == 0,
"Mis-algned version string length in CLR Header."
);
Version =
Encoding.UTF8.GetString(
subStream.ReadBytes(versionLen)
).TrimEnd('\0');
Flags = subStream.ReadUShortLE();
var numberOfStreams = subStream.ReadUShortLE();
var streamHeaders = new StreamHeader[numberOfStreams];
var b = new StringBuilder();
for (var i = 0; i < numberOfStreams; ++i)
{
streamHeaders[i] = new StreamHeader();
streamHeaders[i].Load(subStream, b);
}
StreamHeaders =
new ReadOnlyDictionary<string,StreamHeader>(
streamHeaders.ToDictionary(h=>h.Name)
);
}
}