GARbro-mirror/ArcFormats/Cyberworks/ArcAPP.cs

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2017-03-26 08:12:53 +08:00
//! \file ArcAPP.cs
//! \date Sun Mar 26 00:57:57 2017
//! \brief WendyBell resource archive.
//
// Copyright (C) 2017 by morkt
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
using System.ComponentModel.Composition;
using System.IO;
namespace GameRes.Formats.Cyberworks
{
[Export(typeof(ArchiveFormat))]
public class AppOpener : DatOpener
{
public override string Tag { get { return "APP/Csystem"; } }
public override string Description { get { return "WendyBell resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public AppOpener ()
{
Extensions = new string[] { "appendix" };
Signatures = new uint[] { 0x2Fu };
}
public override ArcFile TryOpen (ArcView file)
{
long index_offset = 4 + (long)file.View.ReadInt32 (0) * 2;
if (index_offset <= 4 || index_offset >= file.MaxOffset)
return null;
using (var toc_unpacker = new TocUnpacker (file))
{
var toc = toc_unpacker.Unpack (index_offset, 8);
if (null == toc)
return null;
var data_offset = index_offset + 0x10 + toc_unpacker.PackedSize;
using (var index = new AppendixReader (toc, file, data_offset))
{
if (!index.Read())
return null;
return new BellArchive (file, this, index.Dir, null);
}
}
}
}
internal class AppendixReader : IndexReader
{
long m_data_offset;
public AppendixReader (byte[] toc, ArcView file, long data_offset) : base (toc, file)
{
m_data_offset = data_offset;
}
char[] m_type = new char[2];
protected override bool ReadEntryType (Entry entry, int entry_size)
{
entry.Offset += m_data_offset;
m_type[0] = (char)m_index.ReadByte();
m_type[1] = (char)m_index.ReadByte();
if (m_type[0] > 0x20 && m_type[0] < 0x7F)
{
string ext;
if (m_type[1] > 0x20 && m_type[1] < 0x7F)
ext = new string (m_type);
else
ext = new string (m_type[0], 1);
if ("b0" == ext || "n0" == ext || "o0" == ext || "0b" == ext || "w0" == ext)
{
entry.Type = "image";
HasImages = true;
}
else if ("j0" == ext || "k0" == ext || "u0" == ext)
entry.Type = "audio";
entry.Name = Path.ChangeExtension (entry.Name, ext);
}
return true;
}
}
}