public void PutNextEntry(ZipEntry entry)
{
if (entry == null)
{
throw new ArgumentNullException("entry");
}
if (this.entries == null)
{
throw new InvalidOperationException("ZipOutputStream was finished");
}
if (this.curEntry != null)
{
this.CloseEntry();
}
if (this.entries.Count == 2147483647)
{
throw new ZipException("Too many entries for Zip file");
}
CompressionMethod compressionMethod = entry.CompressionMethod;
int level = this.defaultCompressionLevel;
entry.Flags &= 2048;
this.patchEntryHeader = false;
bool flag = true;
if (compressionMethod == CompressionMethod.Stored)
{
entry.Flags &= -9;
if (entry.CompressedSize >= 0L)
{
if (entry.Size < 0L)
{
entry.Size = entry.CompressedSize;
}
else if (entry.Size != entry.CompressedSize)
{
throw new ZipException("Method STORED, but compressed size != size");
}
}
else if (entry.Size >= 0L)
{
entry.CompressedSize = entry.Size;
}
if (entry.Size < 0L || entry.Crc < 0L)
{
if (base.CanPatchEntries)
{
flag = false;
}
else
{
compressionMethod = CompressionMethod.Deflated;
level = 0;
}
}
}
if (compressionMethod == CompressionMethod.Deflated)
{
if (entry.Size == 0L)
{
entry.CompressedSize = entry.Size;
entry.Crc = 0L;
compressionMethod = CompressionMethod.Stored;
}
else if (entry.CompressedSize < 0L || entry.Size < 0L || entry.Crc < 0L)
{
flag = false;
}
}
if (!flag)
{
if (!base.CanPatchEntries)
{
entry.Flags |= 8;
}
else
{
this.patchEntryHeader = true;
}
}
if (base.Password != null)
{
entry.IsCrypted = true;
if (entry.Crc < 0L)
{
entry.Flags |= 8;
}
}
entry.Offset = this.offset;
entry.CompressionMethod = compressionMethod;
this.curMethod = compressionMethod;
if (this.useZip64_ == UseZip64.On || (entry.Size < 0L && this.useZip64_ == UseZip64.Dynamic))
{
entry.ForceZip64();
}
this.WriteLeInt(67324752);
this.WriteLeShort(entry.Version);
this.WriteLeShort(entry.Flags);
this.WriteLeShort((int)((byte)compressionMethod));
this.WriteLeInt((int)entry.DosTime);
if (flag)
{
this.WriteLeInt((int)entry.Crc);
if (entry.LocalHeaderRequiresZip64)
{
this.WriteLeInt(-1);
this.WriteLeInt(-1);
}
else
{
this.WriteLeInt(entry.IsCrypted ? ((int)entry.CompressedSize + 12) : ((int)entry.CompressedSize));
this.WriteLeInt((int)entry.Size);
}
}
else
{
if (this.patchEntryHeader)
{
this.crcPatchPos = this.baseOutputStream.Position;
}
this.WriteLeInt(0);
if (this.patchEntryHeader)
{
this.sizePatchPos = this.baseOutputStream.Position;
}
if (entry.LocalHeaderRequiresZip64)
{
this.WriteLeInt(-1);
this.WriteLeInt(-1);
}
else
{
this.WriteLeInt(0);
this.WriteLeInt(0);
}
}
byte[] array = ZipConstants.ConvertToArray(entry.Flags, entry.Name);
if (array.Length > 65535)
{
throw new ZipException("Entry name too long.");
}
ZipExtraData zipExtraData = new ZipExtraData(entry.ExtraData);
if (entry.LocalHeaderRequiresZip64)
{
zipExtraData.StartNewEntry();
zipExtraData.AddLeLong(-1L);
zipExtraData.AddLeLong(-1L);
zipExtraData.AddNewEntry(1);
if (!zipExtraData.Find(1))
{
throw new ZipException("Internal error cant find extra data");
}
if (this.patchEntryHeader)
{
this.sizePatchPos = (long)zipExtraData.CurrentReadIndex;
}
}
else
{
zipExtraData.Delete(1);
}
byte[] entryData = zipExtraData.GetEntryData();
this.WriteLeShort(array.Length);
this.WriteLeShort(entryData.Length);
if (array.Length > 0)
{
this.baseOutputStream.Write(array, 0, array.Length);
}
if (entry.LocalHeaderRequiresZip64 && this.patchEntryHeader)
{
this.sizePatchPos += this.baseOutputStream.Position;
}
if (entryData.Length > 0)
{
this.baseOutputStream.Write(entryData, 0, entryData.Length);
}
this.offset += (long)(30 + array.Length + entryData.Length);
this.curEntry = entry;
this.crc.Reset();
if (compressionMethod == CompressionMethod.Deflated)
{
this.def.Reset();
this.def.SetLevel(level);
}
this.size = 0L;
if (entry.IsCrypted)
{
if (entry.Crc < 0L)
{
this.WriteEncryptionHeader(entry.DosTime << 16);
return;
}
this.WriteEncryptionHeader(entry.Crc);
}
}
public override void Finish()
{
if (this.entries == null)
{
return;
}
if (this.curEntry != null)
{
this.CloseEntry();
}
long noOfEntries = (long)this.entries.Count;
long num = 0L;
foreach (object obj in this.entries)
{
ZipEntry zipEntry = (ZipEntry)obj;
this.WriteLeInt(33639248);
this.WriteLeShort(45);
this.WriteLeShort(zipEntry.Version);
this.WriteLeShort(zipEntry.Flags);
this.WriteLeShort((int)((short)zipEntry.CompressionMethod));
this.WriteLeInt((int)zipEntry.DosTime);
this.WriteLeInt((int)zipEntry.Crc);
if (zipEntry.IsZip64Forced() || zipEntry.CompressedSize >= unchecked ((long)((ulong)-1)))
{
this.WriteLeInt(-1);
}
else
{
this.WriteLeInt((int)zipEntry.CompressedSize);
}
if (zipEntry.IsZip64Forced() || zipEntry.Size >= unchecked ((long)((ulong)-1)))
{
this.WriteLeInt(-1);
}
else
{
this.WriteLeInt((int)zipEntry.Size);
}
byte[] array = ZipConstants.ConvertToArray(zipEntry.Flags, zipEntry.Name);
if (array.Length > 65535)
{
throw new ZipException("Name too long.");
}
ZipExtraData zipExtraData = new ZipExtraData(zipEntry.ExtraData);
if (zipEntry.CentralHeaderRequiresZip64)
{
zipExtraData.StartNewEntry();
if (zipEntry.IsZip64Forced() || zipEntry.Size >= unchecked ((long)((ulong)-1)))
{
zipExtraData.AddLeLong(zipEntry.Size);
}
if (zipEntry.IsZip64Forced() || zipEntry.CompressedSize >= unchecked ((long)((ulong)-1)))
{
zipExtraData.AddLeLong(zipEntry.CompressedSize);
}
if (zipEntry.Offset >= unchecked ((long)((ulong)-1)))
{
zipExtraData.AddLeLong(zipEntry.Offset);
}
zipExtraData.AddNewEntry(1);
}
else
{
zipExtraData.Delete(1);
}
byte[] entryData = zipExtraData.GetEntryData();
byte[] array2 = (zipEntry.Comment != null) ? ZipConstants.ConvertToArray(zipEntry.Flags, zipEntry.Comment) : new byte[0];
if (array2.Length > 65535)
{
throw new ZipException("Comment too long.");
}
this.WriteLeShort(array.Length);
this.WriteLeShort(entryData.Length);
this.WriteLeShort(array2.Length);
this.WriteLeShort(0);
this.WriteLeShort(0);
if (zipEntry.ExternalFileAttributes != -1)
{
this.WriteLeInt(zipEntry.ExternalFileAttributes);
}
else if (zipEntry.IsDirectory)
{
this.WriteLeInt(16);
}
else
{
this.WriteLeInt(0);
}
if (zipEntry.Offset >= unchecked ((long)((ulong)-1)))
{
this.WriteLeInt(-1);
}
else
{
this.WriteLeInt((int)zipEntry.Offset);
}
if (array.Length > 0)
{
this.baseOutputStream.Write(array, 0, array.Length);
}
if (entryData.Length > 0)
{
this.baseOutputStream.Write(entryData, 0, entryData.Length);
}
if (array2.Length > 0)
{
this.baseOutputStream.Write(array2, 0, array2.Length);
}
num += (long)(46 + array.Length + entryData.Length + array2.Length);
}
using (ZipHelperStream zipHelperStream = new ZipHelperStream(this.baseOutputStream))
{
zipHelperStream.WriteEndOfCentralDirectory(noOfEntries, num, this.offset, this.zipComment);
}
this.entries = null;
}
/// <summary>
/// Finishes the stream. This will write the central directory at the
/// end of the zip file and flush the stream.
/// </summary>
/// <remarks>
/// This is automatically called when the stream is closed.
/// </remarks>
/// <exception cref="System.IO.IOException">
/// An I/O error occurs.
/// </exception>
/// <exception cref="ZipException">
/// Comment exceeds the maximum length<br/>
/// Entry name exceeds the maximum length
/// </exception>
public override void Finish()
{
if (entries == null)
{
return;
}
if (curEntry != null)
{
CloseEntry();
}
long numEntries = entries.Count;
long sizeEntries = 0;
foreach (ZipEntry entry in entries)
{
WriteLeInt(ZipConstants.CentralHeaderSignature);
WriteLeShort(ZipConstants.VersionMadeBy);
WriteLeShort(entry.Version);
WriteLeShort(entry.Flags);
WriteLeShort((short)entry.CompressionMethod);
WriteLeInt((int)entry.DosTime);
WriteLeInt((int)entry.Crc);
if (entry.IsZip64Forced() ||
(entry.CompressedSize >= uint.MaxValue))
{
WriteLeInt(-1);
}
else
{
WriteLeInt((int)entry.CompressedSize);
}
if (entry.IsZip64Forced() ||
(entry.Size >= uint.MaxValue))
{
WriteLeInt(-1);
}
else
{
WriteLeInt((int)entry.Size);
}
byte[] name = ZipConstants.ConvertToArray(entry.Flags, entry.Name);
if (name.Length > 0xffff)
{
throw new ZipException("Name too long.");
}
ZipExtraData ed = new ZipExtraData(entry.ExtraData);
if (entry.CentralHeaderRequiresZip64)
{
ed.StartNewEntry();
if (entry.IsZip64Forced() ||
(entry.Size >= 0xffffffff))
{
ed.AddLeLong(entry.Size);
}
if (entry.IsZip64Forced() ||
(entry.CompressedSize >= 0xffffffff))
{
ed.AddLeLong(entry.CompressedSize);
}
if (entry.Offset >= 0xffffffff)
{
ed.AddLeLong(entry.Offset);
}
ed.AddNewEntry(1);
}
else
{
ed.Delete(1);
}
byte[] extra = ed.GetEntryData();
byte[] entryComment =
(entry.Comment != null) ?
ZipConstants.ConvertToArray(entry.Flags, entry.Comment) :
new byte[0];
if (entryComment.Length > 0xffff)
{
throw new ZipException("Comment too long.");
}
WriteLeShort(name.Length);
WriteLeShort(extra.Length);
WriteLeShort(entryComment.Length);
WriteLeShort(0); // disk number
WriteLeShort(0); // internal file attributes
// external file attributes
if (entry.ExternalFileAttributes != -1)
{
WriteLeInt(entry.ExternalFileAttributes);
}
else
{
if (entry.IsDirectory) // mark entry as directory (from nikolam.AT.perfectinfo.com)
{
WriteLeInt(16);
}
else
{
WriteLeInt(0);
}
}
if (entry.Offset >= uint.MaxValue)
{
WriteLeInt(-1);
}
else
{
WriteLeInt((int)entry.Offset);
}
if (name.Length > 0)
{
baseOutputStream.Write(name, 0, name.Length);
}
if (extra.Length > 0)
{
baseOutputStream.Write(extra, 0, extra.Length);
}
if (entryComment.Length > 0)
{
baseOutputStream.Write(entryComment, 0, entryComment.Length);
}
sizeEntries += ZipConstants.CentralHeaderBaseSize + name.Length + extra.Length + entryComment.Length;
}
using (ZipHelperStream zhs = new ZipHelperStream(baseOutputStream)) {
zhs.WriteEndOfCentralDirectory(numEntries, sizeEntries, offset, zipComment);
}
entries = null;
}
/// <summary>
/// Starts a new Zip entry. It automatically closes the previous
/// entry if present.
/// All entry elements bar name are optional, but must be correct if present.
/// If the compression method is stored and the output is not patchable
/// the compression for that entry is automatically changed to deflate level 0
/// </summary>
/// <param name="entry">
/// the entry.
/// </param>
/// <exception cref="System.ArgumentNullException">
/// if entry passed is null.
/// </exception>
/// <exception cref="System.IO.IOException">
/// if an I/O error occured.
/// </exception>
/// <exception cref="System.InvalidOperationException">
/// if stream was finished
/// </exception>
/// <exception cref="ZipException">
/// Too many entries in the Zip file<br/>
/// Entry name is too long<br/>
/// Finish has already been called<br/>
/// </exception>
public void PutNextEntry(ZipEntry entry)
{
if (entry == null)
{
throw new ArgumentNullException("entry");
}
if (entries == null)
{
throw new InvalidOperationException("ZipOutputStream was finished");
}
if (curEntry != null)
{
CloseEntry();
}
if (entries.Count == int.MaxValue)
{
throw new ZipException("Too many entries for Zip file");
}
CompressionMethod method = entry.CompressionMethod;
int compressionLevel = defaultCompressionLevel;
// Clear flags that the library manages internally
entry.Flags &= (int)GeneralBitFlags.UnicodeText;
patchEntryHeader = false;
bool headerInfoAvailable = true;
if (method == CompressionMethod.Stored)
{
// Cant store values in a data descriptor as you cant extract stored files
// if the length isnt known.
entry.Flags &= ~8;
if (entry.CompressedSize >= 0)
{
if (entry.Size < 0)
{
entry.Size = entry.CompressedSize;
}
else if (entry.Size != entry.CompressedSize)
{
throw new ZipException("Method STORED, but compressed size != size");
}
}
else
{
if (entry.Size >= 0)
{
entry.CompressedSize = entry.Size;
}
}
if (entry.Size < 0 || entry.Crc < 0)
{
if (CanPatchEntries == true)
{
headerInfoAvailable = false;
}
else
{
// Can't patch entries so storing is not possible.
method = CompressionMethod.Deflated;
compressionLevel = 0;
}
}
}
if (method == CompressionMethod.Deflated)
{
if (entry.Size == 0)
{
// No need to compress - no data.
entry.CompressedSize = entry.Size;
entry.Crc = 0;
method = CompressionMethod.Stored;
}
else if ((entry.CompressedSize < 0) || (entry.Size < 0) || (entry.Crc < 0))
{
headerInfoAvailable = false;
}
}
if (headerInfoAvailable == false)
{
if (CanPatchEntries == false)
{
// Only way to record size and compressed size is to append a data descriptor
// after compressed data.
entry.Flags |= 8;
}
else
{
patchEntryHeader = true;
}
}
if (Password != null)
{
entry.IsCrypted = true;
if (entry.Crc < 0)
{
// Need to append a data descriptor as the crc isnt available for use
// with encryption, the date is used instead. Setting the flag
// indicates this to the decompressor.
entry.Flags |= 8;
}
}
entry.Offset = offset;
entry.CompressionMethod = (CompressionMethod)method;
curMethod = method;
if ((useZip64_ == UseZip64.On) || ((entry.Size < 0) && (useZip64_ == UseZip64.Dynamic)))
{
entry.ForceZip64();
}
// Write the local file header
WriteLeInt(ZipConstants.LocalHeaderSignature);
WriteLeShort(entry.Version);
WriteLeShort(entry.Flags);
WriteLeShort((byte)method);
WriteLeInt((int)entry.DosTime);
// TODO: Refactor header writing. Its done in several places.
if (headerInfoAvailable == true)
{
WriteLeInt((int)entry.Crc);
if (entry.LocalHeaderRequiresZip64)
{
WriteLeInt(-1);
WriteLeInt(-1);
}
else
{
WriteLeInt(entry.IsCrypted ? (int)entry.CompressedSize + ZipConstants.CryptoHeaderSize : (int)entry.CompressedSize);
WriteLeInt((int)entry.Size);
}
}
else
{
if (patchEntryHeader == true)
{
crcPatchPos = baseOutputStream.Position;
}
WriteLeInt(0); // Crc
if (patchEntryHeader)
{
sizePatchPos = baseOutputStream.Position;
}
// For local header both sizes appear in Zip64 Extended Information
if (entry.LocalHeaderRequiresZip64)
{
WriteLeInt(-1);
WriteLeInt(-1);
}
else
{
WriteLeInt(0); // Compressed size
WriteLeInt(0); // Uncompressed size
}
}
byte[] name = ZipConstants.ConvertToArray(entry.Flags, entry.Name);
if (name.Length > 0xFFFF)
{
throw new ZipException("Entry name too long.");
}
ZipExtraData ed = new ZipExtraData(entry.ExtraData);
if (entry.LocalHeaderRequiresZip64)
{
ed.StartNewEntry();
ed.AddLeLong(-1);
ed.AddLeLong(-1);
ed.AddNewEntry(1);
if (!ed.Find(1))
{
throw new ZipException("Internal error cant find extra data");
}
if (patchEntryHeader)
{
sizePatchPos = ed.CurrentReadIndex;
}
}
else
{
ed.Delete(1);
}
byte[] extra = ed.GetEntryData();
WriteLeShort(name.Length);
WriteLeShort(extra.Length);
if (name.Length > 0)
{
baseOutputStream.Write(name, 0, name.Length);
}
if (entry.LocalHeaderRequiresZip64 && patchEntryHeader)
{
sizePatchPos += baseOutputStream.Position;
}
if (extra.Length > 0)
{
baseOutputStream.Write(extra, 0, extra.Length);
}
offset += ZipConstants.LocalHeaderBaseSize + name.Length + extra.Length;
// Activate the entry.
curEntry = entry;
crc.Reset();
if (method == CompressionMethod.Deflated)
{
def.Reset();
def.SetLevel(compressionLevel);
}
size = 0;
if (entry.IsCrypted == true)
{
if (entry.Crc < 0) // so testing Zip will says its ok
{
WriteEncryptionHeader(entry.DosTime << 16);
}
else
{
WriteEncryptionHeader(entry.Crc);
}
}
}
public void PutNextEntry(ZipEntry entry)
{
bool hasCrc;
if (entry == null)
{
throw new ArgumentNullException(nameof(entry));
}
if (_entries == null)
{
throw new InvalidOperationException("ZipOutputStream was finished");
}
if (_curEntry != null)
{
CloseEntry();
}
if (_entries.Count == 0x7fffffff)
{
throw new ZipException("Too many entries for Zip file");
}
CompressionMethod compressionMethod = entry.CompressionMethod;
int compressionLevel = _defaultCompressionLevel;
entry.Flags &= 0x800;
_patchEntryHeader = false;
if (entry.Size == 0L)
{
entry.CompressedSize = entry.Size;
entry.Crc = 0L;
compressionMethod = CompressionMethod.Stored;
hasCrc = true;
}
else
{
hasCrc = (entry.Size >= 0L) && entry.HasCrc;
if (compressionMethod == CompressionMethod.Stored)
{
if (!hasCrc)
{
if (!CanPatchEntries)
{
compressionMethod = CompressionMethod.Deflated;
compressionLevel = 0;
}
}
else
{
entry.CompressedSize = entry.Size;
hasCrc = entry.HasCrc;
}
}
}
if (!hasCrc)
{
if (!CanPatchEntries)
{
entry.Flags |= 8;
}
else
{
_patchEntryHeader = true;
}
}
if (Password != null)
{
entry.IsCrypted = true;
if (entry.Crc < 0L)
{
entry.Flags |= 8;
}
}
entry.Offset = _offset;
entry.CompressionMethod = compressionMethod;
_curMethod = compressionMethod;
_sizePatchPos = -1L;
if ((_useZip64 == UseZip64.On) || ((entry.Size < 0L) && (_useZip64 == UseZip64.Dynamic)))
{
entry.ForceZip64();
}
WriteLeInt(ZipConstants.LocalHeaderSignature);
WriteLeShort(entry.Version);
WriteLeShort(entry.Flags);
WriteLeShort((byte)entry.CompressionMethodForHeader);
WriteLeInt((int)entry.DosTime);
if (hasCrc)
{
WriteLeInt((int)entry.Crc);
if (entry.LocalHeaderRequiresZip64)
{
WriteLeInt(-1);
WriteLeInt(-1);
}
else
{
WriteLeInt(entry.IsCrypted ? (((int)entry.CompressedSize) + 12) : ((int)entry.CompressedSize));
WriteLeInt((int)entry.Size);
}
}
else
{
if (_patchEntryHeader)
{
_crcPatchPos = BaseOutputStream.Position;
}
WriteLeInt(0);
if (_patchEntryHeader)
{
_sizePatchPos = BaseOutputStream.Position;
}
if (entry.LocalHeaderRequiresZip64 || _patchEntryHeader)
{
WriteLeInt(-1);
WriteLeInt(-1);
}
else
{
WriteLeInt(0);
WriteLeInt(0);
}
}
byte[] buffer = ZipConstants.ConvertToArray(entry.Flags, entry.Name);
if (buffer.Length > 0xffff)
{
throw new ZipException("Entry name too long.");
}
ZipExtraData extraData = new ZipExtraData(entry.ExtraData);
if (entry.LocalHeaderRequiresZip64)
{
extraData.StartNewEntry();
if (hasCrc)
{
extraData.AddLeLong(entry.Size);
extraData.AddLeLong(entry.CompressedSize);
}
else
{
extraData.AddLeLong(-1L);
extraData.AddLeLong(-1L);
}
extraData.AddNewEntry(1);
if (!extraData.Find(1))
{
throw new ZipException("Internal error cant find extra data");
}
if (_patchEntryHeader)
{
_sizePatchPos = extraData.CurrentReadIndex;
}
}
else
{
extraData.Delete(1);
}
if (entry.AesKeySize > 0)
{
AddExtraDataAes(entry, extraData);
}
byte[] entryData = extraData.GetEntryData();
WriteLeShort(buffer.Length);
WriteLeShort(entryData.Length);
if (buffer.Length > 0)
{
BaseOutputStream.Write(buffer, 0, buffer.Length);
}
if (entry.LocalHeaderRequiresZip64 && _patchEntryHeader)
{
_sizePatchPos += BaseOutputStream.Position;
}
if (entryData.Length > 0)
{
BaseOutputStream.Write(entryData, 0, entryData.Length);
}
_offset += (30 + buffer.Length) + entryData.Length;
if (entry.AesKeySize > 0)
{
_offset += entry.AesOverheadSize;
}
_curEntry = entry;
_crc.Reset();
if (compressionMethod == CompressionMethod.Deflated)
{
Deflater.Reset();
Deflater.SetLevel(compressionLevel);
}
_size = 0L;
if (entry.IsCrypted)
{
if (entry.AesKeySize > 0)
{
WriteAesHeader(entry);
}
else if (entry.Crc < 0L)
{
WriteEncryptionHeader(entry.DosTime << 0x10);
}
else
{
WriteEncryptionHeader(entry.Crc);
}
}
}
public override void Finish()
{
if (_entries != null)
{
if (_curEntry != null)
{
CloseEntry();
}
long count = _entries.Count;
long sizeEntries = 0L;
foreach (ZipEntry entry in _entries)
{
WriteLeInt(ZipConstants.CentralHeaderSignature);
WriteLeShort(0x33);
WriteLeShort(entry.Version);
WriteLeShort(entry.Flags);
WriteLeShort((short)entry.CompressionMethodForHeader);
WriteLeInt((int)entry.DosTime);
WriteLeInt((int)entry.Crc);
if (entry.IsZip64Forced() || (entry.CompressedSize >= 0xffffffffL))
{
WriteLeInt(-1);
}
else
{
WriteLeInt((int)entry.CompressedSize);
}
if (entry.IsZip64Forced() || (entry.Size >= 0xffffffffL))
{
WriteLeInt(-1);
}
else
{
WriteLeInt((int)entry.Size);
}
byte[] buffer = ZipConstants.ConvertToArray(entry.Flags, entry.Name);
if (buffer.Length > 0xffff)
{
throw new ZipException("Name too long.");
}
ZipExtraData extraData = new ZipExtraData(entry.ExtraData);
if (entry.CentralHeaderRequiresZip64)
{
extraData.StartNewEntry();
if (entry.IsZip64Forced() || (entry.Size >= 0xffffffffL))
{
extraData.AddLeLong(entry.Size);
}
if (entry.IsZip64Forced() || (entry.CompressedSize >= 0xffffffffL))
{
extraData.AddLeLong(entry.CompressedSize);
}
if (entry.Offset >= 0xffffffffL)
{
extraData.AddLeLong(entry.Offset);
}
extraData.AddNewEntry(1);
}
else
{
extraData.Delete(1);
}
if (entry.AesKeySize > 0)
{
AddExtraDataAes(entry, extraData);
}
byte[] entryData = extraData.GetEntryData();
byte[] buffer3 = (entry.Comment != null) ? ZipConstants.ConvertToArray(entry.Flags, entry.Comment) : new byte[0];
if (buffer3.Length > 0xffff)
{
throw new ZipException("Comment too long.");
}
WriteLeShort(buffer.Length);
WriteLeShort(entryData.Length);
WriteLeShort(buffer3.Length);
WriteLeShort(0);
WriteLeShort(0);
if (entry.ExternalFileAttributes != -1)
{
WriteLeInt(entry.ExternalFileAttributes);
}
else if (entry.IsDirectory)
{
WriteLeInt(0x10);
}
else
{
WriteLeInt(0);
}
if (entry.Offset >= 0xffffffffL)
{
WriteLeInt(-1);
}
else
{
WriteLeInt((int)entry.Offset);
}
if (buffer.Length > 0)
{
BaseOutputStream.Write(buffer, 0, buffer.Length);
}
if (entryData.Length > 0)
{
BaseOutputStream.Write(entryData, 0, entryData.Length);
}
if (buffer3.Length > 0)
{
BaseOutputStream.Write(buffer3, 0, buffer3.Length);
}
sizeEntries += ((ZipConstants.CentralHeaderBaseSize + buffer.Length) + entryData.Length) + buffer3.Length;
}
using (ZipHelperStream stream = new ZipHelperStream(BaseOutputStream))
{
stream.WriteEndOfCentralDirectory(count, sizeEntries, _offset, _zipComment);
}
_entries = null;
}
}