GARbro-mirror/ArcFormats/Kiss/ArcARC.cs
2016-07-26 07:00:36 +04:00

83 lines
3.3 KiB
C#

//! \file ArcARC.cs
//! \date Fri Jul 22 06:53:47 2016
//! \brief Kiss resource archive.
//
// Copyright (C) 2016 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;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
namespace GameRes.Formats.Kiss
{
[Export(typeof(ArchiveFormat))]
public class ArcOpener : ArchiveFormat
{
public override string Tag { get { return "ARC/KISS"; } }
public override string Description { get { return "Kiss resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public ArcOpener ()
{
Extensions = new string[] { "arc" };
}
public override ArcFile TryOpen (ArcView file)
{
if (!file.Name.EndsWith (".arc", StringComparison.InvariantCultureIgnoreCase))
return null;
int count = file.View.ReadInt32 (0);
if (!IsSaneCount (count))
return null;
var dir = new List<Entry> (count);
using (var input = file.CreateStream())
using (var reader = new ArcView.Reader (input))
{
long prev_offset = 4;
input.Position = 4;
for (int i = 0; i < count; ++i)
{
var name = input.ReadCString();
if (string.IsNullOrWhiteSpace (name))
return null;
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = reader.ReadInt64();
if (entry.Offset < prev_offset || entry.Offset > file.MaxOffset)
return null;
dir.Add (entry);
prev_offset = entry.Offset;
}
for (int i = 0; i < count; ++i)
{
long next = i+1 < count ? dir[i+1].Offset : file.MaxOffset;
dir[i].Size = (uint)(next - dir[i].Offset);
}
return new ArcFile (file, this, dir);
}
}
}
}