private static VssRecord CreateRecord(
RecordHeader recordHeader, BufferReader recordReader)
{
VssRecord record = null;
switch (recordHeader.Signature)
{
case RevisionRecord.SIGNATURE:
record = CreateRevisionRecord(recordHeader, recordReader);
break;
case CommentRecord.SIGNATURE:
record = new CommentRecord();
break;
case CheckoutRecord.SIGNATURE:
record = new CheckoutRecord();
break;
case ProjectRecord.SIGNATURE:
record = new ProjectRecord();
break;
case BranchRecord.SIGNATURE:
record = new BranchRecord();
break;
case DeltaRecord.SIGNATURE:
record = new DeltaRecord();
break;
}
return(record);
}
public bool ReadNextRecord(VssRecord record)
{
while (reader.Remaining > RecordHeader.LENGTH)
{
try
{
var recordHeader = new RecordHeader();
recordHeader.Read(reader);
var recordReader = reader.Extract(recordHeader.Length);
// comment records always seem to have a zero CRC
if (recordHeader.Signature != CommentRecord.SIGNATURE)
{
recordHeader.CheckCrc();
}
if (recordHeader.Signature == record.Signature)
{
record.Read(recordReader, recordHeader);
return(true);
}
}
catch (EndOfBufferException e)
{
throw new RecordTruncatedException(e.Message);
}
}
return(false);
}
public void ReadRecord(VssRecord record)
{
try
{
var recordHeader = new RecordHeader();
recordHeader.Read(reader);
var recordReader = reader.Extract(recordHeader.Length);
// comment records always seem to have a zero CRC
if (recordHeader.Signature != CommentRecord.SIGNATURE)
{
recordHeader.CheckCrc();
}
recordHeader.CheckSignature(record.Signature);
record.Read(recordReader, recordHeader);
}
catch (EndOfBufferException e)
{
throw new RecordTruncatedException(e.Message);
}
}
public void ReadRecord(VssRecord record, int offset)
{
reader.Offset = offset;
ReadRecord(record);
}
