|
public static ParseLength ( IReadOnlyList |
||
| blob | IReadOnlyList |
|
| bytesRead | int | |
| return | uint | |
public IReadOnlyList <byte> ReadBlob(uint offset)
{
CheckDisposed();
if (BlobStream == null || offset > BlobStream->Size)
{
throw new ArgumentOutOfRangeException("offset", "Invalid blog offset.");
}
var pBlob = ((byte *)m_metadataRoot + BlobStream->Offset) + offset;
var bufferWrapper = new BufferWrapper(pBlob, (int)(BlobStream->Size - offset));
int bytesRead;
var length = SignatureParser.ParseLength(bufferWrapper, out bytesRead);
if (length > checked (BlobStream->Size - offset - bytesRead.AssumeGTE(0)))
{
throw new InvalidOperationException("Blob has invalid size");
}
return(new BufferWrapper(pBlob + bytesRead, (int)length));
}
public String ReadUserString(uint offset)
{
if (UserStringsStream == null || offset > UserStringsStream->Size)
{
throw new ArgumentOutOfRangeException("offset", "Invalid blog offset.");
}
var pBlob = ((byte *)m_metadataRoot + UserStringsStream->Offset) + offset;
var bufferWrapper = new BufferWrapper(pBlob, (int)(BlobStream->Size - offset));
int bytesRead;
var length = SignatureParser.ParseLength(bufferWrapper, out bytesRead);
if (length > checked (UserStringsStream->Size - offset - bytesRead.AssumeGTE(0)))
{
throw new InvalidOperationException("String has invalid size");
}
if (length == 0)
{
return("");
}
var pStr = (char *)(pBlob + bytesRead);
return(new string(pStr, 0, NativePlatform.Default.WcsLen(pStr, (int)length / 2)));
}