/// <summary>
/// Opens a stream on an entry.
/// </summary>
/// <param name="moduleStream">A stream open on the module file.</param>
/// <param name="entry">The entry.</param>
/// <param name="section">The section to open.</param>
/// <returns>A stream which can be used to read the entry data. It will depend on <paramref name="moduleStream"/>.</returns>
public ModuleBlockStream OpenEntry(Stream moduleStream, ModuleEntry entry, ModuleEntrySection section)
{
AssertContainsEntry(entry);
var blockCompressor = new ModuleBlockCompressor(moduleStream, DataBaseOffset);
return(new ModuleBlockStream(blockCompressor, entry, section));
}
private MemoryStream _currentBlockStream; // Can be null
public ModuleBlockStream(ModuleBlockCompressor blockCompressor, ModuleEntry entry, ModuleEntrySection section)
{
_blockCompressor = blockCompressor;
_entryOffset = entry.DataOffset;
_blocks = GetBlocks(entry, section);
if (_blocks.Count > 0)
{
_sectionOffset = _blocks[0].UncompressedOffset;
_entryPosition = _sectionOffset;
var lastBlock = _blocks[_blocks.Count - 1];
_sectionLength = lastBlock.UncompressedOffset + lastBlock.UncompressedSize - _sectionOffset;
}
}