public Stream Read(Stream stream, PbpEntryType entryType)
{
if (_entries.ContainsKey(entryType) == false)
{
return(null);
}
PbpEntry entry = _entries[entryType];
stream.Seek(entry.Offset, SeekOrigin.Begin);
byte[] buffer = new byte[entry.Length];
stream.Read(buffer, 0, ( int )entry.Length);
return(new MemoryStream(buffer, 0, buffer.Length, false, false));
}
private bool Parse(BinaryReader reader)
{
PbpHeader header = new PbpHeader(reader);
if ((header.Magic[0] != 0) ||
(header.Magic[1] != 'P') ||
(header.Magic[2] != 'B') ||
(header.Magic[3] != 'P'))
{
// Bad
return(false);
}
//uint lastOffset = 0;
for (int n = 0; n < PbpEntryCount; n++)
{
uint offset = header.Offsets[n];
uint length;
if (n < PbpEntryCount - 1)
{
length = header.Offsets[n + 1] - offset;
}
else
{
length = ( uint )reader.BaseStream.Length - offset;
}
if (length == 0)
{
continue;
}
PbpEntry entry = new PbpEntry();
entry.EntryType = ( PbpEntryType )n;
entry.Offset = offset;
entry.Length = length;
_entries.Add(entry.EntryType, entry);
}
return(true);
}
private bool Parse( BinaryReader reader )
{
PbpHeader header = new PbpHeader( reader );
if( ( header.Magic[ 0 ] != 0 ) ||
( header.Magic[ 1 ] != 'P' ) ||
( header.Magic[ 2 ] != 'B' ) ||
( header.Magic[ 3 ] != 'P' ) )
{
// Bad
return false;
}
//uint lastOffset = 0;
for( int n = 0; n < PbpEntryCount; n++ )
{
uint offset = header.Offsets[ n ];
uint length;
if( n < PbpEntryCount - 1 )
{
length = header.Offsets[ n + 1 ] - offset;
}
else
length = ( uint )reader.BaseStream.Length - offset;
if( length == 0 )
continue;
PbpEntry entry = new PbpEntry();
entry.EntryType = ( PbpEntryType )n;
entry.Offset = offset;
entry.Length = length;
_entries.Add( entry.EntryType, entry );
}
return true;
}
