[ZOO] Implement showing archive information.

Aaru.Archives/Aaru.Archives.csproj

@@ -63,4 +63,9 @@
       <DependentUpon>Localization.resx</DependentUpon>
     </Compile>
   </ItemGroup>
+  <ItemGroup>
+    <Reference Include="Spectre.Console">
+      <HintPath>..\..\..\..\.nuget\packages\spectre.console\0.50.0\lib\net9.0\Spectre.Console.dll</HintPath>
+    </Reference>
+  </ItemGroup>
 </Project>

Aaru.Archives/Zoo/Info.cs

@@ -27,8 +27,11 @@
 // ****************************************************************************/
 
 using System.IO;
+using System.Text;
 using Aaru.CommonTypes.Interfaces;
 using Aaru.Helpers;
+using Aaru.Logging;
+using Spectre.Console;
 
 namespace Aaru.Archives;
 
@@ -53,5 +56,66 @@ public sealed partial class Zoo
         return header.zoo_tag == ZOO_TAG && header.zoo_start + header.zoo_minus == 0;
     }
 
+    /// <inheritdoc />
+    public void GetInformation(IFilter filter, Encoding encoding, out string information)
+    {
+        information = string.Empty;
+
+        if(filter.DataForkLength < Marshal.SizeOf<ZooHeader>()) return;
+
+        Stream stream = filter.GetDataForkStream();
+        stream.Position = 0;
+
+        byte[] hdr = new byte[Marshal.SizeOf<ZooHeader>()];
+
+        stream.ReadExactly(hdr, 0, hdr.Length);
+
+        ZooHeader header = Marshal.ByteArrayToStructureLittleEndian<ZooHeader>(hdr);
+
+        AaruLogging.Debug(MODULE_NAME,
+                          "[blue]header.text[/] = [green]\"{0}\"[/]",
+                          Markup.Escape(Encoding.UTF8.GetString(header.text).TrimEnd('\0')));
+
+        AaruLogging.Debug(MODULE_NAME, "[blue]header.zoo_tag[/] = [teal]0x{0:X8}[/]", header.zoo_tag);
+        AaruLogging.Debug(MODULE_NAME, "[blue]header.zoo_start[/] = [teal]{0}[/]",    header.zoo_start);
+        AaruLogging.Debug(MODULE_NAME, "[blue]header.zoo_minus[/] = [teal]{0}[/]",    header.zoo_minus);
+        AaruLogging.Debug(MODULE_NAME, "[blue]header.major_ver[/] = [teal]{0}[/]",    header.major_ver);
+        AaruLogging.Debug(MODULE_NAME, "[blue]header.minor_ver[/] = [teal]{0}[/]",    header.minor_ver);
+        AaruLogging.Debug(MODULE_NAME, "[blue]header.type[/] = [teal]{0}[/]",         header.type);
+        AaruLogging.Debug(MODULE_NAME, "[blue]header.acmt_pos[/] = [teal]{0}[/]",     header.acmt_pos);
+        AaruLogging.Debug(MODULE_NAME, "[blue]header.acmt_len[/] = [teal]{0}[/]",     header.acmt_len);
+        AaruLogging.Debug(MODULE_NAME, "[blue]header.vdata[/] = [teal]0x{0:X4}[/]",   header.vdata);
+
+        var sb = new StringBuilder();
+        sb.AppendLine("[bold][blue]Zoo archive:[/][/]");
+
+        sb.AppendFormat("[slateblue1]Header text:[/] [green]\"{0}\"[/]",
+                        Markup.Escape(Encoding.UTF8.GetString(header.text).TrimEnd('\0')))
+          .AppendLine();
+
+        sb.AppendFormat("[slateblue1]Start of archive:[/] [teal]{0}[/]", header.zoo_start).AppendLine();
+
+        sb.AppendFormat("[slateblue1]Version required to extract all files:[/] [teal]{0}.{1}[/]",
+                        header.major_ver,
+                        header.minor_ver)
+          .AppendLine();
+
+        sb.AppendFormat("[slateblue1]Archive type:[/] [teal]{0}[/]", header.type).AppendLine();
+
+        if(header.acmt_len > 0)
+        {
+            byte[] buffer = new byte[header.acmt_len];
+            stream.Position =   0;
+            encoding        ??= Encoding.UTF8;
+            stream.ReadExactly(buffer, 0, buffer.Length);
+            sb.AppendLine("[slateblue1]Archive comment:[/]");
+
+            sb.AppendFormat("[rosybrown]{0}[/]", Markup.Escape(StringHandlers.CToString(buffer, encoding)))
+              .AppendLine();
+        }
+
+        information = sb.ToString();
+    }
+
 #endregion
 }

Aaru.Archives/Zoo/Unimplemented.cs

@@ -79,11 +79,5 @@ public sealed partial class Zoo
     /// <inheritdoc />
     public ErrorNumber GetEntry(int entryNumber, out IFilter filter) => throw new NotImplementedException();
 
-    /// <inheritdoc />
-    public void GetInformation(IFilter filter, Encoding encoding, out string information)
-    {
-        throw new NotImplementedException();
-    }
-
 #endregion
 }

Aaru.Core/ArchiveInfo.cs

@@ -33,7 +33,6 @@
 using System.Text;
 using Aaru.CommonTypes.Interfaces;
 using Aaru.Logging;
-using Spectre.Console;
 
 namespace Aaru.Core;
 
@@ -48,7 +47,7 @@ public static class ArchiveInfo
 
         imageFormat.GetInformation(filter, encoding, out string information);
 
-        AaruLogging.WriteLine(MarkupHelper.HighlightNumbers(Markup.Escape(information), "teal"));
+        AaruLogging.WriteLine(information);
 
         AaruLogging.WriteLine();
     }