private void DumpIffFile(CommandLineArgs commandLine)
{
// header info...
Console.WriteLine("----------------------------------------------------------------------");
Console.WriteLine("IffDump v0.1");
Console.WriteLine("----------------------------------------------------------------------");
Console.WriteLine();
Console.WriteLine("Getting IFF information from {0}...", commandLine.InputFile);
using (IffReader reader = new IffReader(commandLine.InputFile))
{
foreach (var chunk in reader.GetChunks(0))
{
this.HandleIffInfo(chunk, reader);
}
// show extracted resources...
Console.WriteLine();
Console.WriteLine("metadata - {0}", this.metadata.DocumentElement.Name);
Console.WriteLine(
"resources - {0}, {1}, {2}, {3}",
this.pictResources == null ? "--" : this.pictResources.Count.ToString(),
this.sndResources == null ? "--" : this.sndResources.Count.ToString(),
this.dataResources == null ? "--" : this.dataResources.Count.ToString(),
this.execResources == null ? "--" : this.execResources.Count.ToString());
if (!this.coverImage.HasValue)
{
Console.WriteLine("file has no cover art");
}
else
{
uint artOffset;
if (this.pictResources == null || !this.pictResources.TryGetValue(this.coverImage.Value, out artOffset))
{
Console.WriteLine("could not find cover art resource (pict {0})", this.coverImage.Value);
}
else
{
var artTypeId = reader.ReadTypeId(artOffset);
var artLength = reader.ReadUint();
Console.WriteLine("cover art is {0} resource at offset 0x{1:x8}, length 0x{2:x8}", artTypeId, artOffset, artLength);
using (var stream = new MemoryStream(reader.ReadBytes(artLength)))
{
var decoder = BitmapDecoder.Create(stream, BitmapCreateOptions.None, BitmapCacheOption.Default);
var frame = decoder.Frames[0];
Console.WriteLine("cover art is {0}x{1}", frame.PixelWidth, frame.PixelHeight);
}
}
}
}
}
private void HandleIffInfo(IffInfo info, IffReader reader, int depth = 0)
{
string padding = new string(' ', depth * 4);
string nestedPadding = new string(' ', 10 + 1 + 1 + 10 + 1 + 1 + (depth * 4) + 2);
Console.Write("0x{0:x8} (0x{1:x8}) {2}{3}", info.Offset, info.Length, padding, info.TypeId);
switch (info.TypeId)
{
case "FORM":
var formType = reader.ReadTypeId(info.ContentOffset);
Console.WriteLine(" - {0}", formType);
foreach (var chunk in reader.GetChunks(info.ContentOffset + 4))
{
this.HandleIffInfo(chunk, reader, depth + 1);
}
break;
case "RIdx":
if (this.sawResources)
{
Console.WriteLine(" - already saw resource index! Unexpected!");
}
else
{
Console.WriteLine();
var count = reader.ReadUint(info.Offset + 8);
uint expectedCount = (info.Length - 4) / 12;
System.Diagnostics.Debug.Assert(count == expectedCount);
for (uint i = 0; i < expectedCount; ++i)
{
var indexType = reader.ReadTypeId();
var indexId = reader.ReadUint();
var indexOffset = reader.ReadUint();
Console.WriteLine("{0}{1} {2:d2} @0x{3:x8}", nestedPadding, indexType, indexId, indexOffset);
switch (indexType)
{
case "Pict":
this.UpdateResourceIndex(ref this.pictResources, indexId, indexOffset);
break;
case "Snd ":
this.UpdateResourceIndex(ref this.sndResources, indexId, indexOffset);
break;
case "Data":
this.UpdateResourceIndex(ref this.dataResources, indexId, indexOffset);
break;
case "Exec":
this.UpdateResourceIndex(ref this.execResources, indexId, indexOffset);
break;
default:
Console.WriteLine("* unknown resource type {0}", indexType);
break;
}
}
this.sawResources = true;
}
break;
case "IFmd":
if (metadata != null)
{
Console.WriteLine(" - extra ID metadata? This is unexpected!");
}
else
{
var xml = new XmlDocument();
var bytes = reader.ReadBytes(info.Offset + 8, info.Length);
using (var stream = new MemoryStream(bytes))
{
xml.Load(stream);
}
Console.WriteLine(" - extracted ({0})", xml.DocumentElement.Name);
this.metadata = xml;
}
break;
case "Fspc":
if (this.coverImage.HasValue)
{
Console.WriteLine(" - already have a Frontspiece! Unexpected!");
}
else
{
this.coverImage = reader.ReadUint(info.Offset + 8);
Console.WriteLine(" - image {0}", this.coverImage.Value);
}
break;
default:
Console.WriteLine();
break;
}
}
