Files
Aaru/Aaru.Archives/Zoo/Info.cs

122 lines
4.8 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Consts.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Zoo plugin.
//
// --[ License ] --------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2025 Natalia Portillo
// ****************************************************************************/
using System.IO;
using System.Text;
using Aaru.CommonTypes.Interfaces;
using Aaru.Helpers;
using Aaru.Logging;
using Spectre.Console;
using Marshal = Aaru.Helpers.Marshal;
namespace Aaru.Archives;
public sealed partial class Zoo
{
#region IArchive Members
/// <inheritdoc />
public bool Identify(IFilter filter)
{
if(filter.DataForkLength < Marshal.SizeOf<ZooHeader>()) return false;
Stream stream = filter.GetDataForkStream();
stream.Position = 0;
var hdr = new byte[Marshal.SizeOf<ZooHeader>()];
stream.ReadExactly(hdr, 0, hdr.Length);
ZooHeader header = Marshal.ByteArrayToStructureLittleEndian<ZooHeader>(hdr);
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;
var hdr = new byte[Marshal.SizeOf<ZooHeader>()];
stream.ReadExactly(hdr, 0, hdr.Length);
ZooHeader header = Marshal.ByteArrayToStructureLittleEndian<ZooHeader>(hdr);
AaruLogging.Debug(MODULE_NAME,
"[navy]header.text[/] = [green]\"{0}\"[/]",
Markup.Escape(Encoding.UTF8.GetString(header.text).TrimEnd('\0')));
AaruLogging.Debug(MODULE_NAME, "[navy]header.zoo_tag[/] = [teal]0x{0:X8}[/]", header.zoo_tag);
AaruLogging.Debug(MODULE_NAME, "[navy]header.zoo_start[/] = [teal]{0}[/]", header.zoo_start);
AaruLogging.Debug(MODULE_NAME, "[navy]header.zoo_minus[/] = [teal]{0}[/]", header.zoo_minus);
AaruLogging.Debug(MODULE_NAME, "[navy]header.major_ver[/] = [teal]{0}[/]", header.major_ver);
AaruLogging.Debug(MODULE_NAME, "[navy]header.minor_ver[/] = [teal]{0}[/]", header.minor_ver);
AaruLogging.Debug(MODULE_NAME, "[navy]header.type[/] = [teal]{0}[/]", header.type);
AaruLogging.Debug(MODULE_NAME, "[navy]header.acmt_pos[/] = [teal]{0}[/]", header.acmt_pos);
AaruLogging.Debug(MODULE_NAME, "[navy]header.acmt_len[/] = [teal]{0}[/]", header.acmt_len);
AaruLogging.Debug(MODULE_NAME, "[navy]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)
{
var buffer = new byte[header.acmt_len];
stream.Position = header.acmt_pos;
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
}