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https://github.com/aaru-dps/Aaru.git
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122 lines
4.8 KiB
C#
122 lines
4.8 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Consts.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Zoo plugin.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2025 Natalia Portillo
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// ****************************************************************************/
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using System.IO;
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using System.Text;
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using Aaru.CommonTypes.Interfaces;
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using Aaru.Helpers;
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using Aaru.Logging;
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using Spectre.Console;
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using Marshal = Aaru.Helpers.Marshal;
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namespace Aaru.Archives;
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public sealed partial class Zoo
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{
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#region IArchive Members
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/// <inheritdoc />
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public bool Identify(IFilter filter)
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{
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if(filter.DataForkLength < Marshal.SizeOf<ZooHeader>()) return false;
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Stream stream = filter.GetDataForkStream();
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stream.Position = 0;
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var hdr = new byte[Marshal.SizeOf<ZooHeader>()];
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stream.ReadExactly(hdr, 0, hdr.Length);
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ZooHeader header = Marshal.ByteArrayToStructureLittleEndian<ZooHeader>(hdr);
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return header.zoo_tag == ZOO_TAG && header.zoo_start + header.zoo_minus == 0;
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}
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/// <inheritdoc />
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public void GetInformation(IFilter filter, Encoding encoding, out string information)
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{
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information = string.Empty;
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if(filter.DataForkLength < Marshal.SizeOf<ZooHeader>()) return;
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Stream stream = filter.GetDataForkStream();
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stream.Position = 0;
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var hdr = new byte[Marshal.SizeOf<ZooHeader>()];
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stream.ReadExactly(hdr, 0, hdr.Length);
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ZooHeader header = Marshal.ByteArrayToStructureLittleEndian<ZooHeader>(hdr);
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AaruLogging.Debug(MODULE_NAME,
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"[navy]header.text[/] = [green]\"{0}\"[/]",
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Markup.Escape(Encoding.UTF8.GetString(header.text).TrimEnd('\0')));
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AaruLogging.Debug(MODULE_NAME, "[navy]header.zoo_tag[/] = [teal]0x{0:X8}[/]", header.zoo_tag);
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AaruLogging.Debug(MODULE_NAME, "[navy]header.zoo_start[/] = [teal]{0}[/]", header.zoo_start);
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AaruLogging.Debug(MODULE_NAME, "[navy]header.zoo_minus[/] = [teal]{0}[/]", header.zoo_minus);
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AaruLogging.Debug(MODULE_NAME, "[navy]header.major_ver[/] = [teal]{0}[/]", header.major_ver);
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AaruLogging.Debug(MODULE_NAME, "[navy]header.minor_ver[/] = [teal]{0}[/]", header.minor_ver);
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AaruLogging.Debug(MODULE_NAME, "[navy]header.type[/] = [teal]{0}[/]", header.type);
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AaruLogging.Debug(MODULE_NAME, "[navy]header.acmt_pos[/] = [teal]{0}[/]", header.acmt_pos);
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AaruLogging.Debug(MODULE_NAME, "[navy]header.acmt_len[/] = [teal]{0}[/]", header.acmt_len);
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AaruLogging.Debug(MODULE_NAME, "[navy]header.vdata[/] = [teal]0x{0:X4}[/]", header.vdata);
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var sb = new StringBuilder();
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sb.AppendLine("[bold][blue]Zoo archive:[/][/]");
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sb.AppendFormat("[slateblue1]Header text:[/] [green]\"{0}\"[/]",
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Markup.Escape(Encoding.UTF8.GetString(header.text).TrimEnd('\0')))
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.AppendLine();
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sb.AppendFormat("[slateblue1]Start of archive:[/] [teal]{0}[/]", header.zoo_start).AppendLine();
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sb.AppendFormat("[slateblue1]Version required to extract all files:[/] [teal]{0}.{1}[/]",
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header.major_ver,
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header.minor_ver)
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.AppendLine();
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sb.AppendFormat("[slateblue1]Archive type:[/] [teal]{0}[/]", header.type).AppendLine();
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if(header.acmt_len > 0)
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{
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var buffer = new byte[header.acmt_len];
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stream.Position = header.acmt_pos;
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encoding ??= Encoding.UTF8;
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stream.ReadExactly(buffer, 0, buffer.Length);
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sb.AppendLine("[slateblue1]Archive comment:[/]");
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sb.AppendFormat("[rosybrown]{0}[/]", Markup.Escape(StringHandlers.CToString(buffer, encoding)))
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.AppendLine();
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}
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information = sb.ToString();
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}
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#endregion
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} |