implemented KISS resource archives.

ArcFormats/Kiss/ArcARC.cs

@@ -0,0 +1,82 @@
+//! \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);
+            }
+        }
+    }
+}