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Improve TapeArchiveDataFormat

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This commit is contained in:
Michael Becker 2015-03-30 23:56:39 -04:00
parent 3f8af8f59b
commit 29d483c431
3 changed files with 64 additions and 34 deletions
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72
CSharp/Plugins/UniversalEditor.Plugins.FileSystem/DataFormats/FileSystem/TapeArchive/TapeArchiveDataFormat.cs
View File

@ -47,17 +47,17 @@ namespace UniversalEditor.DataFormats.FileSystem.TapeArchive
string fileName = br.ReadFixedLengthString(100).TrimNull().Trim();
if (fileName == String.Empty) break;
string fileMode = br.ReadFixedLengthString(8).TrimNull().Trim();
string owner = br.ReadFixedLengthString(8).TrimNull().Trim();
string group = br.ReadFixedLengthString(8).TrimNull().Trim();
string fileSizeInBytesOctal = br.ReadFixedLengthString(12).TrimNull().Trim();
string lastModificationTimeUnixOctal = br.ReadFixedLengthString(12).TrimNull().Trim();
string headerChecksum = br.ReadFixedLengthString(8).TrimNull().Trim();
string fileMode = br.ReadPaddedNullTerminatedString(8);
string owner = br.ReadPaddedNullTerminatedString(8);
string group = br.ReadPaddedNullTerminatedString(8);
string fileSizeInBytesOctal = br.ReadPaddedNullTerminatedString(12);
string lastModificationTimeUnixOctal = br.ReadPaddedNullTerminatedString(12);
string headerChecksum = br.ReadPaddedNullTerminatedString(8);
char c = br.ReadChar();
TapeArchiveRecordType type = (TapeArchiveRecordType)((int)c);
string linkedFileName = br.ReadFixedLengthString(100).TrimNull().Trim();
string linkedFileName = br.ReadPaddedNullTerminatedString(100);
string ustar = br.ReadFixedLengthString(6);
if (ustar == "ustar ")
@ -67,12 +67,12 @@ namespace UniversalEditor.DataFormats.FileSystem.TapeArchive
mvarIsUnixStandardTAR = true;
ustar_set = true;
}
string ustarVersion = br.ReadFixedLengthString(2).TrimNull().Trim();
string ownerName = br.ReadFixedLengthString(32).TrimNull().Trim();
string groupName = br.ReadFixedLengthString(32).TrimNull().Trim();
string deviceMajor = br.ReadFixedLengthString(8).TrimNull().Trim();
string deviceMinor = br.ReadFixedLengthString(8).TrimNull().Trim();
string filenamePrefix = br.ReadFixedLengthString(155).TrimNull().Trim();
string ustarVersion = br.ReadPaddedNullTerminatedString(2);
string ownerName = br.ReadPaddedNullTerminatedString(32);
string groupName = br.ReadPaddedNullTerminatedString(32);
string deviceMajor = br.ReadPaddedNullTerminatedString(8);
string deviceMinor = br.ReadPaddedNullTerminatedString(8);
string filenamePrefix = br.ReadPaddedNullTerminatedString(155);
}
else
{
@ -149,18 +149,22 @@ namespace UniversalEditor.DataFormats.FileSystem.TapeArchive
{
bw.WriteFixedLengthString(folder.Name + "/", 100);
string fileMode = " \0";
bw.WriteFixedLengthString(fileMode, 8);
string owner = " \0";
bw.WriteFixedLengthString(owner, 8);
string group = " \0";
bw.WriteFixedLengthString(group, 8);
string fileSizeInBytesOctal = " \0";
bw.WriteFixedLengthString(fileSizeInBytesOctal, 12);
string lastModificationTimeUnixOctal = " \0";
bw.WriteFixedLengthString(lastModificationTimeUnixOctal, 12);
string headerChecksum = " \0";
bw.WriteFixedLengthString(headerChecksum, 12);
long? fileMode = null;
bw.WritePaddedNullableInt64(fileMode, 8);
long? owner = null;
bw.WritePaddedNullableInt64(owner, 8);
long? group = null;
bw.WritePaddedNullableInt64(group, 8);
long fileSizeInBytesDecimal = folder.GetSize();
long? fileSizeInBytesOctal = null;
bw.WritePaddedNullableInt64(fileSizeInBytesOctal, 8);
long? lastModificationTimeUnixOctal = null;
bw.WritePaddedNullableInt64(lastModificationTimeUnixOctal, 12);
long? headerChecksum = null;
bw.WritePaddedNullableInt64(headerChecksum, 12);
char c = (char)(int)TapeArchiveRecordType.Directory;
@ -202,18 +206,18 @@ namespace UniversalEditor.DataFormats.FileSystem.TapeArchive
bw.WriteFixedLengthString(parentPath, 100);
string fileMode = " \0";
bw.WriteFixedLengthString(fileMode, 8);
string owner = " \0";
bw.WriteFixedLengthString(owner, 8);
string group = " \0";
bw.WriteFixedLengthString(group, 8);
long? fileMode = null;
bw.WritePaddedNullableInt64(fileMode, 8);
long? owner = null;
bw.WritePaddedNullableInt64(owner, 8);
long? group = null;
bw.WritePaddedNullableInt64(group, 8);
string fileSizeInBytesOctal = Convert.ToString(file.Size, 8).PadLeft(11, ' ') + "\0";
bw.WriteFixedLengthString(fileSizeInBytesOctal, 12);
string lastModificationTimeUnixOctal = " \0";
string lastModificationTimeUnixOctal = String.Empty;
bw.WriteFixedLengthString(lastModificationTimeUnixOctal, 12);
string headerChecksum = " \0";
bw.WriteFixedLengthString(headerChecksum, 12);
long? headerChecksum = null;
bw.WritePaddedNullableInt64(headerChecksum, 12);
char c = (char)(int)TapeArchiveRecordType.Directory;

25
CSharp/Plugins/UniversalEditor.Plugins.FileSystem/DataFormats/FileSystem/TapeArchive/TapeArchiveExtensions.cs Normal file
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@ -0,0 +1,25 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using UniversalEditor.IO;
namespace UniversalEditor.DataFormats.FileSystem.TapeArchive
{
public static class TapeArchiveExtensions
{
public static string ReadPaddedNullTerminatedString(this Reader reader, int length)
{
return reader.ReadFixedLengthString(length).TrimNull().Trim();
}
public static void WritePaddedNullTerminatedString(this Writer writer, string value, int length)
{
writer.WriteFixedLengthString(value, length - 1, ' ');
writer.WriteFixedLengthString("\0");
}
public static void WritePaddedNullableInt64(this Writer writer, long? value, int length)
{
writer.WritePaddedNullTerminatedString((value == null ? String.Empty : value.Value.ToString()), length);
}
}
}

1
CSharp/Plugins/UniversalEditor.Plugins.FileSystem/UniversalEditor.Plugins.FileSystem.csproj
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@ -157,6 +157,7 @@
<Compile Include="DataFormats\FileSystem\StellaGames\LzmaPack\PACKFileAttributes.cs" />
<Compile Include="DataFormats\FileSystem\StuffIt\StuffItDataFormat.cs" />
<Compile Include="DataFormats\FileSystem\TapeArchive\TapeArchiveDataFormat.cs" />
<Compile Include="DataFormats\FileSystem\TapeArchive\TapeArchiveExtensions.cs" />
<Compile Include="DataFormats\FileSystem\TapeArchive\TapeArchiveRecordType.cs" />
<Compile Include="DataFormats\FileSystem\TerminalReality\POD\PODDataFormat.cs" />
<Compile Include="DataFormats\FileSystem\TerminalReality\POD\PODVersion.cs" />