// Initializes, attaches it to archive
internal ZipArchiveEntry(ZipArchiveFast archive, ZipCentralDirectoryFileHeader cd)
{
Archive = archive;
_diskNumberStart = cd.DiskNumberStart;
_generalPurposeBitFlag = (BitFlagValues)cd.GeneralPurposeBitFlag;
_compressionMethod = (CompressionMethodValues)cd.CompressionMethod;
// Leave this as a uint and let the caller convert it if it wants (perf optimization)
LastWriteTime = cd.LastModified;
CompressedLength = cd.CompressedSize;
Length = cd.UncompressedSize;
_offsetOfLocalHeader = cd.RelativeOffsetOfLocalHeader;
// we don't know this yet: should be _offsetOfLocalHeader + 30 + _storedEntryNameBytes.Length + extrafieldlength
// but entryname/extra length could be different in LH
_storedOffsetOfCompressedData = null;
// Sacrifice a slight amount of time for safety. Zips entry names are emphatically NOT supposed to
// have backslashes according to the spec, but they might anyway, so normalize them all to forward slashes.
FullName = DecodeEntryName(cd.Filename).Replace('\\', '/');
// Lazy-load Name so we don't preemptively do a ton of Substring() calls when we don't need to.
_versionMadeByCompatibility = (ZipVersionMadeByPlatform)cd.VersionMadeByCompatibility;
}
/// <summary>
/// To get the file name of a ZipArchiveEntry, we should be parsing the FullName based
/// on the path specifications and requirements of the OS that ZipArchive was created on.
/// This method takes in a FullName and the platform of the ZipArchiveEntry and returns
/// the platform-correct file name.
/// </summary>
/// <remarks>This method ensures no validation on the paths. Invalid characters are allowed.</remarks>
internal static string ParseFileName(string path, ZipVersionMadeByPlatform madeByPlatform)
{
if (madeByPlatform == ZipVersionMadeByPlatform.Unix)
return GetFileName_Unix(path);
else
return GetFileName_Windows(path);
}
/// <summary>
/// To get the file name of a ZipArchiveEntry, we should be parsing the FullName based
/// on the path specifications and requirements of the OS that ZipArchive was created on.
/// This method takes in a FullName and the platform of the ZipArchiveEntry and returns
/// the platform-correct file name.
/// </summary>
/// <remarks>This method ensures no validation on the paths. Invalid characters are allowed.</remarks>
internal static string ParseFileName(string path, ZipVersionMadeByPlatform madeByPlatform)
{
if (madeByPlatform == ZipVersionMadeByPlatform.Unix)
{
return(GetFileName_Unix(path));
}
else
{
return(GetFileName_Windows(path));
}
}
internal static string ParseFileName(string path, ZipVersionMadeByPlatform madeByPlatform)
{
switch (madeByPlatform) {
case ZipVersionMadeByPlatform.Windows:
return GetFileName_Windows(path);
case ZipVersionMadeByPlatform.Unix:
return GetFileName_Unix(path);
default:
return ParseFileName (path, CurrentZipPlatform);
}
}
internal static string ParseFileName(string path, ZipVersionMadeByPlatform madeByPlatform)
{
switch (madeByPlatform)
{
case ZipVersionMadeByPlatform.Windows:
return(GetFileName_Windows(path));
case ZipVersionMadeByPlatform.Unix:
return(GetFileName_Unix(path));
default:
return(ParseFileName(path, CurrentZipPlatform));
}
}
/// <summary>
/// To get the file name of a ZipArchiveEntry, we should be parsing the FullName based
/// on the path specifications and requirements of the OS that ZipArchive was created on.
/// This method takes in a FullName and the platform of the ZipArchiveEntry and returns
/// the platform-correct file name.
/// </summary>
/// <remarks>This method ensures no validation on the paths. Invalid characters are allowed.</remarks>
internal static string ParseFileName(string path, ZipVersionMadeByPlatform madeByPlatform)
{
string retFileName;
if (madeByPlatform == ZipVersionMadeByPlatform.Windows)
{
retFileName = GetFileName_Windows(path);
}
else
{
retFileName = GetFileName_Unix(path);
}
return(retFileName);
}
// Initializes new entry
internal ZipArchiveEntry(ZipArchive archive, string entryName)
{
_archive = archive;
_originallyInArchive = false;
_diskNumberStart = 0;
_versionMadeByPlatform = CurrentZipPlatform;
_versionMadeBySpecification = ZipVersionNeededValues.Default;
_versionToExtract = ZipVersionNeededValues.Default; // this must happen before following two assignment
_generalPurposeBitFlag = 0;
CompressionMethod = CompressionMethodValues.Deflate;
_lastModified = DateTimeOffset.Now;
_compressedSize = 0; // we don't know these yet
_uncompressedSize = 0;
_externalFileAttr = 0;
_offsetOfLocalHeader = 0;
_storedOffsetOfCompressedData = null;
_crc32 = 0;
_compressedBytes = null;
_storedUncompressedData = null;
_currentlyOpenForWrite = false;
_everOpenedForWrite = false;
_outstandingWriteStream = null;
FullName = entryName;
_cdUnknownExtraFields = null;
_lhUnknownExtraFields = null;
_fileComment = null;
_compressionLevel = null;
if (_storedEntryNameBytes.Length > ushort.MaxValue)
{
throw new ArgumentException();
}
// grab the stream if we're in create mode
if (_archive.Mode == ZipArchiveMode.Create)
{
_archive.AcquireArchiveStream(this);
}
}
/// <summary>
/// To get the file name of a ZipArchiveEntry, we should be parsing the FullName based
/// on the path specifications and requirements of the OS that ZipArchive was created on.
/// This method takes in a FullName and the platform of the ZipArchiveEntry and returns
/// the platform-correct file name.
/// </summary>
internal static string ParseFileName(string path, ZipVersionMadeByPlatform madeByPlatform)
{
// Validation checking is done based on current OS, not source OS.
PathInternal.CheckInvalidPathChars(path);
if (madeByPlatform == ZipVersionMadeByPlatform.Unix)
{
int length = path.Length;
for (int i = length; --i >= 0;)
if (path[i] == '/')
return path.Substring(i + 1);
return path;
}
else
{
return Path.GetFileName(path);
}
}
/// <summary>
/// To get the file name of a ZipArchiveEntry, we should be parsing the FullName based
/// on the path specifications and requirements of the OS that ZipArchive was created on.
/// This method takes in a FullName and the platform of the ZipArchiveEntry and returns
/// the platform-correct file name.
/// </summary>
internal static string ParseFileName(string path, ZipVersionMadeByPlatform madeByPlatform)
{
// Validation checking is done based on current OS, not source OS.
PathInternal.CheckInvalidPathChars(path);
if (madeByPlatform == ZipVersionMadeByPlatform.Unix)
{
int length = path.Length;
for (int i = length; --i >= 0;)
{
if (path[i] == '/')
{
return(path.Substring(i + 1));
}
}
return(path);
}
else
{
return(Path.GetFileName(path));
}
}
//Initializes, attaches it to archive
internal ZipArchiveEntry(ZipArchive archive, ZipCentralDirectoryFileHeader cd)
{
_archive = archive;
_originallyInArchive = true;
_diskNumberStart = cd.DiskNumberStart;
_versionMadeByPlatform = (ZipVersionMadeByPlatform)cd.VersionMadeByCompatibility;
_versionMadeBySpecification = (ZipVersionNeededValues)cd.VersionMadeBySpecification;
_versionToExtract = (ZipVersionNeededValues)cd.VersionNeededToExtract;
_generalPurposeBitFlag = (BitFlagValues)cd.GeneralPurposeBitFlag;
CompressionMethod = (CompressionMethodValues)cd.CompressionMethod;
_lastModified = new DateTimeOffset(ZipHelper.DosTimeToDateTime(cd.LastModified));
_compressedSize = cd.CompressedSize;
_uncompressedSize = cd.UncompressedSize;
_offsetOfLocalHeader = cd.RelativeOffsetOfLocalHeader;
/* we don't know this yet: should be _offsetOfLocalHeader + 30 + _storedEntryNameBytes.Length + extrafieldlength
* but entryname/extra length could be different in LH
*/
_storedOffsetOfCompressedData = null;
_crc32 = cd.Crc32;
_compressedBytes = null;
_storedUncompressedData = null;
_currentlyOpenForWrite = false;
_everOpenedForWrite = false;
_outstandingWriteStream = null;
FullName = DecodeEntryName(cd.Filename);
_lhUnknownExtraFields = null;
//the cd should have these as null if we aren't in Update mode
_cdUnknownExtraFields = cd.ExtraFields;
_fileComment = cd.FileComment;
_compressionLevel = null;
}
// Initializes, attaches it to archive
internal ReadOnlyZipArchiveEntry(ReadOnlyZipArchive archive, ZipCentralDirectoryFileHeader cd)
{
_archive = archive;
_originallyInArchive = true;
_diskNumberStart = cd.DiskNumberStart;
_versionMadeByPlatform = ( ZipVersionMadeByPlatform )cd.VersionMadeByCompatibility;
_versionMadeBySpecification = ( ZipVersionNeededValues )cd.VersionMadeBySpecification;
_versionToExtract = ( ZipVersionNeededValues )cd.VersionNeededToExtract;
_generalPurposeBitFlag = ( BitFlagValues )cd.GeneralPurposeBitFlag;
CompressionMethod = ( CompressionMethodValues )cd.CompressionMethod;
_lastModified = new DateTimeOffset(ZipHelper.DosTimeToDateTime(cd.LastModified));
_compressedSize = cd.CompressedSize;
_uncompressedSize = cd.UncompressedSize;
_externalFileAttr = cd.ExternalFileAttributes;
_offsetOfLocalHeader = cd.RelativeOffsetOfLocalHeader;
// we don't know this yet: should be _offsetOfLocalHeader + 30 + _storedEntryNameBytes.Length + extrafieldlength
// but entryname/extra length could be different in LH
_storedOffsetOfCompressedData = null;
_crc32 = cd.Crc32;
_compressedBytes = null;
_storedUncompressedData = null;
_currentlyOpenForWrite = false;
_everOpenedForWrite = false;
_outstandingWriteStream = null;
FullName = DecodeEntryName(cd.Filename);
_lhUnknownExtraFields = null;
// the cd should have these as null if we aren't in Update mode
_cdUnknownExtraFields = cd.ExtraFields;
_fileComment = cd.FileComment;
_compressionLevel = null;
}
//Initializes new entry
internal ZipArchiveEntry(ZipArchive archive, String entryName)
{
_archive = archive;
_originallyInArchive = false;
_diskNumberStart = 0;
_versionMadeByPlatform = CurrentZipPlatform;
_versionMadeBySpecification = ZipVersionNeededValues.Default;
_versionToExtract = ZipVersionNeededValues.Default; //this must happen before following two assignment
_generalPurposeBitFlag = 0;
CompressionMethod = CompressionMethodValues.Deflate;
_lastModified = DateTimeOffset.Now;
_compressedSize = 0; //we don't know these yet
_uncompressedSize = 0;
_offsetOfLocalHeader = 0;
_storedOffsetOfCompressedData = null;
_crc32 = 0;
_compressedBytes = null;
_storedUncompressedData = null;
_currentlyOpenForWrite = false;
_everOpenedForWrite = false;
_outstandingWriteStream = null;
FullName = entryName;
_cdUnknownExtraFields = null;
_lhUnknownExtraFields = null;
_fileComment = null;
_compressionLevel = null;
if (_storedEntryNameBytes.Length > UInt16.MaxValue)
throw new ArgumentException(SR.EntryNamesTooLong);
//grab the stream if we're in create mode
if (_archive.Mode == ZipArchiveMode.Create)
{
_archive.AcquireArchiveStream(this);
}
}
/// <summary> /// To get the file name of a ZipArchiveEntry, we should be parsing the FullName based /// on the path specifications and requirements of the OS that ZipArchive was created on. /// This method takes in a FullName and the platform of the ZipArchiveEntry and returns /// the platform-correct file name. /// </summary> /// <remarks>This method ensures no validation on the paths. Invalid characters are allowed.</remarks> internal static string ParseFileName(string path, ZipVersionMadeByPlatform madeByPlatform) => madeByPlatform == ZipVersionMadeByPlatform.Unix ? GetFileName_Unix(path) : GetFileName_Windows(path);
/// <summary>
/// To get the file name of a ZipArchiveEntry, we should be parsing the FullName based
/// on the path specifications and requirements of the OS that ZipArchive was created on.
/// This method takes in a FullName and the platform of the ZipArchiveEntry and returns
/// the platform-correct file name.
/// </summary>
/// <remarks>This method ensures no validation on the paths. Invalid characters are allowed.</remarks>
private static string ParseFileName(string path, ZipVersionMadeByPlatform madeByPlatform)
{
return(madeByPlatform == ZipVersionMadeByPlatform.Windows
? GetFileName_Windows(path)
: GetFileName_Unix(path));
}
