public override Stream OpenEntry(ArcFile arc, Entry entry)
{
if (0xFF435031 != arc.File.View.ReadUInt32(entry.Offset))
{
return(base.OpenEntry(arc, entry));
}
var data = arc.File.View.ReadBytes(entry.Offset, entry.Size);
data = PackOpener.Decompress(data) ?? data;
return(new BinMemoryStream(data, entry.Name));
}
public override Stream OpenEntry(ArcFile arc, Entry entry)
{
if (0xFF435031 != arc.File.View.ReadUInt32(entry.Offset))
{
return(base.OpenEntry(arc, entry));
}
var packed = new byte[entry.Size];
arc.File.View.Read(entry.Offset, packed, 0, entry.Size);
var unpacked = PackOpener.Decompress(packed);
if (null == unpacked)
{
return(new MemoryStream(packed));
}
return(new MemoryStream(unpacked));
}
public PackIndexReader(PackOpener fmt, ArcView file, long index_offset)
{
m_fmt = fmt;
m_file = file;
m_pack_version = new Version(m_file.View.ReadByte(index_offset + 0xB) - '0',
m_file.View.ReadByte(index_offset + 0xD) - '0');
m_count = m_file.View.ReadInt32(index_offset + 0x10);
if (!ArchiveFormat.IsSaneCount(m_count))
{
throw new InvalidFormatException();
}
m_index_offset = m_file.View.ReadInt64(index_offset + 0x14);
if (index_offset < 0 || index_offset >= m_file.MaxOffset)
{
throw new InvalidFormatException();
}
m_index = m_file.CreateStream(m_index_offset);
m_dir = new List <Entry> (m_count);
}