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Add back date support (fixes #17)

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This commit is contained in:
Matt Nadareski
2020-06-05 22:59:21 -07:00
parent ab1616580e
commit 40cda158fe
4 changed files with 70 additions and 32 deletions
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76
SabreTools.Library/External/Compress/ZipFile/zipFile.cs vendored
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@@ -217,7 +217,7 @@ namespace Compress.ZipFile
return ZipReturn.ZipGood;
}
public ZipReturn ZipFileOpenWriteStream(bool raw, bool trrntzip, string filename, ulong uncompressedSize, ushort compressionMethod, out Stream stream)
public ZipReturn ZipFileOpenWriteStream(bool raw, bool trrntzip, string filename, ulong uncompressedSize, ushort compressionMethod, uint? datetime, out Stream stream)
{
stream = null;
if (ZipOpen != ZipOpenType.OpenWrite)
@@ -225,7 +225,7 @@ namespace Compress.ZipFile
return ZipReturn.ZipWritingToInputFile;
}
LocalFile lf = new LocalFile(filename);
LocalFile lf = new LocalFile(filename, datetime);
ZipReturn retVal = lf.LocalFileOpenWriteStream(_zipFs, raw, trrntzip, uncompressedSize, compressionMethod, out stream);
@@ -863,7 +863,7 @@ namespace Compress.ZipFile
return zRet;
}
public ZipReturn ZipFileAddFake(string filename, ulong fileOffset, ulong uncompressedSize, ulong compressedSize, byte[] crc32, out byte[] localHeader)
public ZipReturn ZipFileAddFake(string filename, ulong fileOffset, ulong uncompressedSize, ulong compressedSize, byte[] crc32, uint? datetime, out byte[] localHeader)
{
localHeader = null;
@@ -872,7 +872,7 @@ namespace Compress.ZipFile
return ZipReturn.ZipWritingToInputFile;
}
LocalFile lf = new LocalFile(filename);
LocalFile lf = new LocalFile(filename, datetime);
_localFiles.Add(lf);
MemoryStream ms = new MemoryStream();
@@ -1087,6 +1087,7 @@ namespace Compress.ZipFile
private ushort _compressionMethod;
private ushort _lastModFileTime;
private ushort _lastModFileDate;
private uint? _lastModFileDateTime;
private ulong _compressedSize;
public ulong RelativeOffsetOfLocalHeader; // only in centeral directory
@@ -1098,13 +1099,20 @@ namespace Compress.ZipFile
{
}
public LocalFile(string filename)
public LocalFile(string filename, uint? datetime)
{
Zip64 = false;
GeneralPurposeBitFlag = 2; // Maximum Compression Deflating
_compressionMethod = 8; // Compression Method Deflate
_lastModFileTime = 48128;
_lastModFileDate = 8600;
if (datetime == null)
{
_lastModFileTime = 48128;
_lastModFileDate = 8600;
}
else
{
_lastModFileDateTime = datetime;
}
FileName = filename;
}
@@ -1121,15 +1129,22 @@ namespace Compress.ZipFile
{
get
{
int second = (_lastModFileTime & 0x1f) * 2;
int minute = (_lastModFileTime >> 5) & 0x3f;
int hour = (_lastModFileTime >> 11) & 0x1f;
if (_lastModFileDateTime == null)
{
int second = (_lastModFileTime & 0x1f) * 2;
int minute = (_lastModFileTime >> 5) & 0x3f;
int hour = (_lastModFileTime >> 11) & 0x1f;
int day = _lastModFileDate & 0x1f;
int month = (_lastModFileDate >> 5) & 0x0f;
int year = ((_lastModFileDate >> 9) & 0x7f) + 1980;
int day = _lastModFileDate & 0x1f;
int month = (_lastModFileDate >> 5) & 0x0f;
int year = ((_lastModFileDate >> 9) & 0x7f) + 1980;
return new DateTime(year, month, day, hour, minute, second);
return new DateTime(year, month, day, hour, minute, second);
}
else
{
return SabreTools.Library.Tools.Utilities.ConvertMsDosTimeFormatToDateTime(_lastModFileDateTime.Value);
}
}
}
@@ -1329,8 +1344,15 @@ namespace Compress.ZipFile
bw.Write(versionNeededToExtract);
bw.Write(GeneralPurposeBitFlag);
bw.Write(_compressionMethod);
bw.Write(_lastModFileTime);
bw.Write(_lastModFileDate);
if (_lastModFileDateTime == null)
{
bw.Write(_lastModFileTime);
bw.Write(_lastModFileDate);
}
else
{
bw.Write(_lastModFileDateTime.Value);
}
bw.Write(CRC[3]);
bw.Write(CRC[2]);
bw.Write(CRC[1]);
@@ -1636,8 +1658,15 @@ namespace Compress.ZipFile
bw.Write(versionNeededToExtract);
bw.Write(GeneralPurposeBitFlag);
bw.Write(_compressionMethod);
bw.Write(_lastModFileTime);
bw.Write(_lastModFileDate);
if (_lastModFileDateTime == null)
{
bw.Write(_lastModFileTime);
bw.Write(_lastModFileDate);
}
else
{
bw.Write(_lastModFileDateTime.Value);
}
_crc32Location = (ulong)zipFs.Position;
@@ -1690,8 +1719,15 @@ namespace Compress.ZipFile
bw.Write(versionNeededToExtract);
bw.Write(GeneralPurposeBitFlag);
bw.Write(_compressionMethod);
bw.Write(_lastModFileTime);
bw.Write(_lastModFileDate);
if (_lastModFileDateTime == null)
{
bw.Write(_lastModFileTime);
bw.Write(_lastModFileDate);
}
else
{
bw.Write(_lastModFileDateTime.Value);
}
uint tCompressedSize;
uint tUncompressedSize;