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[FileTools] Add prelim 7z handling

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Matt Nadareski
2016-09-13 22:45:58 -07:00
parent 7fc6344997
commit 2f977bda44
1 changed files with 24 additions and 4 deletions
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28
SabreTools.Helper/Tools/FileTools.cs
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@@ -425,7 +425,7 @@ namespace SabreTools.Helper
return success;
}
ZipArchiveStruct zas = ReadCentralDirectory(inputArchive, logger);
ZipArchiveStruct zas = GetZipFileInfo(inputArchive, logger);
Console.WriteLine("Archive Filename: " + zas.FileName);
Console.WriteLine("Archive Comment: " + zas.Comment.Length + " " + zas.Comment);
Console.WriteLine("Archive Central Directory CRC: " + zas.CentralDirectoryCRC.ToString("X8"));
@@ -888,12 +888,15 @@ namespace SabreTools.Helper
}
/// <summary>
/// Read the current directory record
/// Read the information from an input zip file
/// </summary>
/// <param name="input">Name of the input file to check</param>
/// <param name="logger">Logger object for file and console output</param>
/// <remarks>This does not do any handling for Zip64 currently</remarks>
public static ZipArchiveStruct ReadCentralDirectory(string input, Logger logger)
/// <remarks>
/// This does not do any handling for Zip64 currently
/// https://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT
/// </remarks>
public static ZipArchiveStruct GetZipFileInfo(string input, Logger logger)
{
// Create the zip archive struct to hold all of the information
ZipArchiveStruct zas = new ZipArchiveStruct
@@ -999,6 +1002,23 @@ namespace SabreTools.Helper
return zas;
}
/// <summary>
/// Read the information from an input 7z file
/// </summary>
/// <param name="input">Name of the input file to check</param>
/// <param name="logger">Logger object for file and console output</param>
/// <remarks>http://cpansearch.perl.org/src/BJOERN/Compress-Deflate7-1.0/7zip/DOC/7zFormat.txt</remarks>
public static void GetSevenZipFIleInfo(string input, Logger logger)
{
using (BinaryReader br = new BinaryReader(File.OpenRead(input)))
{
br.ReadBytes(6); // BYTE kSignature[6] = {'7', 'z', 0xBC, 0xAF, 0x27, 0x1C};
logger.User("ArchiveVersion (Major.Minor): " + br.ReadByte() + "." + br.ReadByte());
logger.User("StartHeaderCRC: " + br.ReadUInt32());
logger.User("StartHeader (NextHeaderOffset, NextHeaderSize, NextHeaderCRC)" + br.ReadUInt64() + ", " + br.ReadUInt64() + ", " + br.ReadUInt32());
}
}
#endregion
#region File Manipulation