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[FIleTools] More work with WriteTorrentZip

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This commit is contained in:
Matt Nadareski
2016-09-13 23:35:48 -07:00
parent 33e0b0019e
commit efa5815127
1 changed files with 29 additions and 21 deletions
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50
SabreTools.Helper/Tools/FileTools.cs
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@@ -180,6 +180,11 @@ namespace SabreTools.Helper
/// <param name="zae">ZipArchiveStruct representing the zipfile</param>
/// <param name="output">Name of the file to write out to</param>
/// <param name="logger">Logger object for file and console output</param>
/// <remarks>
/// Things that need to be done:
/// Compress data instead of just writing it
/// Get rid of redundant directories (ones that are implied by files inside them)
/// </remarks>
public static void WriteTorrentZip(ZipArchiveStruct zae, string output, Logger logger)
{
// First, rearrange entries by name
@@ -198,18 +203,17 @@ namespace SabreTools.Helper
{
offsets.Add(bw.BaseStream.Position);
bw.Write(new byte[] { 0x50, 0x4b, 0x03, 0x04 }); // local file header signature
bw.Write((ushort)zaes.VersionNeeded);
bw.Write((ushort)zaes.GeneralPurposeBitFlag);
bw.Write((ushort)zaes.CompressionMethod);
bw.Write(zaes.LastModFileTime);
bw.Write(zaes.LastModFileDate);
bw.Write((ushort)20);
bw.Write((ushort)GeneralPurposeBitFlag.DeflatingMaximumCompression);
bw.Write((ushort)CompressionMethod.Deflated);
bw.Write(48128);
bw.Write(8600);
bw.Write(zaes.CRC);
bw.Write(zaes.CompressedSize);
bw.Write(zaes.UncompressedSize);
bw.Write((ushort)zaes.FileName.Length);
bw.Write((ushort)zaes.ExtraField.Length);
bw.Write(zaes.FileName);
bw.Write(zaes.ExtraField);
bw.Write((ushort)0);
bw.Write(zaes.FileName.Replace("\\", "/"));
bw.Write(zaes.Data);
if ((zaes.GeneralPurposeBitFlag & GeneralPurposeBitFlag.ZeroedCRCAndSize) != 0)
{
@@ -225,20 +229,23 @@ namespace SabreTools.Helper
foreach (ZipArchiveEntryStruct zaes in zae.Entries)
{
bw.Write(new byte[] { 0x50, 0x4b, 0x01, 0x02 }); // central file header signature
bw.Write((ushort)zaes.VersionMadeBy);
bw.Write((ushort)zaes.VersionNeeded);
bw.Write((ushort)zaes.GeneralPurposeBitFlag);
bw.Write((ushort)zaes.CompressionMethod);
bw.Write(zaes.LastModFileTime);
bw.Write(zaes.LastModFileDate);
bw.Write((ushort)ArchiveVersion.MSDOSandOS2);
bw.Write((ushort)20);
bw.Write((ushort)GeneralPurposeBitFlag.DeflatingMaximumCompression);
bw.Write((ushort)CompressionMethod.Deflated);
bw.Write(48128);
bw.Write(8600);
bw.Write(zaes.CRC);
bw.Write(zaes.CompressedSize);
bw.Write(zaes.UncompressedSize);
bw.Write((short)zaes.FileName.Length);
bw.Write((short)zaes.ExtraField.Length);
bw.Write((short)zaes.Comment.Length);
bw.Write((short)0);
bw.Write((short)zaes.InternalFileAttributes);
bw.Write(zaes.ExternalFileAttributes);
bw.Write((short)0);
bw.Write((short)0);
bw.Write((short)0);
bw.Write(0);
bw.Write((int)offsets[index]);
bw.Write(zaes.FileName);
bw.Write(zaes.FileName.Replace("\\", "/"));
bw.Write(zaes.ExtraField);
bw.Write(zaes.Comment);
index++;
@@ -250,8 +257,9 @@ namespace SabreTools.Helper
bw.Write((short)0);
bw.Write((short)0);
bw.Write((short)zae.Entries.Count);
bw.Write((int)(zae.EOCDOffset - zae.SOCDOffset));
bw.Write((int)(zae.EOCDOffset - zae.SOCDOffset));
bw.Write((short)zae.Entries.Count);
bw.Write(zae.EOCDOffset - zae.SOCDOffset);
bw.Write(zae.SOCDOffset);
bw.Write((short)22);
bw.Write("TORRENTZIPPED-");
}