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Restruct AppViewer codes

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This commit is contained in:
ema
2025-06-04 15:13:43 +08:00
parent 59124967d2
commit 3bd1239457
37 changed files with 448 additions and 52 deletions
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65
QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Deb/ArReader.cs Normal file
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using System.Collections.Generic;
using System.IO;
using System.Text;
namespace QuickLook.Plugin.AppViewer.PackageParsers.Deb;
public static class ArReader
{
public static ArEntry[] Read(string filePath)
{
var entries = new List<ArEntry>();
using var fs = new FileStream(filePath, FileMode.Open, FileAccess.Read);
using var br = new BinaryReader(fs);
// Check ar magic
var magic = br.ReadBytes(8);
if (Encoding.ASCII.GetString(magic) != "!<arch>\n")
throw new InvalidDataException("Not a valid ar file");
while (fs.Position < fs.Length)
{
var header = br.ReadBytes(60);
if (header.Length < 60)
break;
string name = Encoding.ASCII.GetString(header, 0, 16).Trim();
string sizeStr = Encoding.ASCII.GetString(header, 48, 10).Trim();
string fmag = Encoding.ASCII.GetString(header, 58, 2);
if (fmag != "`\n")
throw new InvalidDataException("Invalid header end");
long size = long.Parse(sizeStr);
byte[] data = br.ReadBytes((int)size);
// Completion alignment: ar file is evenly aligned
if (size % 2 != 0)
br.ReadByte();
entries.Add(new ArEntry
{
FileName = name,
FileSize = size,
Data = data
});
}
return [.. entries];
}
}
public class ArEntry
{
public string FileName { get; set; } = string.Empty;
public long FileSize { get; set; }
public byte[] Data { get; set; } = [];
public override string ToString()
{
return $"{FileName} ({FileSize})";
}
}

22
QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Deb/DebInfo.cs Normal file
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// Copyright © 2017-2025 QL-Win Contributors
//
// This file is part of QuickLook program.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
namespace QuickLook.Plugin.AppViewer.PackageParsers.Deb;
public class DebInfo
{
}

27
QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Deb/DebParser.cs Normal file
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// Copyright © 2017-2025 QL-Win Contributors
//
// This file is part of QuickLook program.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
namespace QuickLook.Plugin.AppViewer.PackageParsers.Deb;
public static class DebParser
{
public static DebInfo Parse(string path)
{
ArEntry[] ar = ArReader.Read(path);
return new();
}
}