/// <summary>
/// Method to open an existing storage from stream
/// </summary>
/// <param name="_stream">Already opened stream with zip contents</param>
/// <param name="_access">File access mode for stream operations</param>
/// <param name="_leaveOpen">true to leave the stream open after the ZipStorer object is disposed; otherwise, false (default).</param>
/// <returns>A valid ZipStorer object</returns>
public static ZipStorer Open(Stream _stream, FileAccess _access, bool _leaveOpen = false)
{
if (!_stream.CanSeek && _access != FileAccess.Read)
{
throw new InvalidOperationException("Stream cannot seek");
}
ZipStorer zip = new ZipStorer()
{
ZipFileStream = _stream,
Access = _access,
leaveOpen = _leaveOpen
};
if (zip.ReadFileInfo())
{
return(zip);
}
if (!_leaveOpen)
{
zip.Close();
}
throw new System.IO.InvalidDataException();
}
/// <summary>
/// Method to open an existing storage from stream
/// </summary>
/// <param name="_stream">Already opened stream with zip contents</param>
/// <param name="_access">File access mode for stream operations</param>
/// <param name="_leaveOpen">true to leave the stream open after the ZipStorer object is disposed; otherwise, false (default).</param>
/// <returns>A valid ZipStorer object</returns>
public static ZipStorer Open(Stream _stream, FileAccess _access, bool _leaveOpen = false)
{
if (!_stream.CanSeek && _access != FileAccess.Read)
{
throw new InvalidOperationException("Stream cannot seek");
}
ZipStorer zip = new ZipStorer();
//zip.FileName = _filename;
zip.ZipFileStream = _stream;
zip.Access = _access;
zip.leaveOpen = _leaveOpen;
if (zip.ReadFileInfo())
{
return(zip);
}
/* prevent files/streams to be opened unused*/
if (!_leaveOpen)
{
zip.Close();
}
throw new System.IO.InvalidDataException();
}
/// <summary>
/// Removes one of many files in storage. It creates a new Zip file.
/// </summary>
/// <param name="zip">Reference to the current Zip object</param>
/// <param name="zfes">List of Entries to remove from storage</param>
/// <returns>True if success, false if not</returns>
/// <remarks>This method only works for storage of type FileStream</remarks>
public static bool RemoveEntries(ref ZipStorer zip, List <ZipFileEntry> zfes)
{
if (!(zip.zipFileStream is FileStream))
{
throw new InvalidOperationException("RemoveEntries is allowed just over streams of type FileStream");
}
//Get full list of entries
List <ZipFileEntry> fullList = zip.ReadCentralDir();
//In order to delete we need to create a copy of the zip file excluding the selected items
string tempZipName = Path.GetTempFileName();
string tempEntryName = Path.GetTempFileName();
try
{
ZipStorer tempZip = Create(tempZipName, string.Empty);
foreach (ZipFileEntry zfe in fullList)
{
if (!zfes.Contains(zfe))
{
if (zip.ExtractFile(zfe, tempEntryName))
{
tempZip.AddFile(zfe.Method, tempEntryName, zfe.FilenameInZip, zfe.Comment);
}
}
}
zip.Close();
tempZip.Close();
if (File.Exists(zip.fileName))
{
File.Replace(tempZipName, zip.fileName, null, true);
}
else
{
File.Move(tempZipName, zip.fileName);
}
zip = Open(zip.fileName, zip.access);
}
catch
{
return(false);
}
finally
{
if (File.Exists(tempZipName))
{
File.Delete(tempZipName);
}
if (File.Exists(tempEntryName))
{
File.Delete(tempEntryName);
}
}
return(true);
}
/// <summary>
/// Removes one of many files in storage. It creates a new Zip file.
/// </summary>
/// <param name="_zip">Reference to the current Zip object</param>
/// <param name="_zfes">List of Entries to remove from storage</param>
/// <returns>True if success, false if not</returns>
/// <remarks>This method only works for storage of type FileStream</remarks>
public static bool RemoveEntries(ref ZipStorer _zip, List <ZipFileEntry> _zfes)
{
if (!(_zip.ZipFileStream is FileStream))
{
throw new InvalidOperationException("RemoveEntries is allowed just over streams of type FileStream");
}
//Get full list of entries
var fullList = _zip.ReadCentralDir();
//In order to delete we need to create a copy of the zip file excluding the selected items
var tempZipName = Path.GetTempFileName();
var tempEntryName = Path.GetTempFileName();
try
{
var tempZip = ZipStorer.Create(tempZipName, string.Empty);
foreach (ZipFileEntry zfe in fullList)
{
if (!_zfes.Contains(zfe))
{
if (_zip.ExtractFile(zfe, tempEntryName))
{
tempZip.AddFile(zfe.Method, tempEntryName, zfe.FilenameInZip, zfe.Comment, zfe);
}
}
}
_zip.Close();
tempZip.Close();
File.Delete(_zip.FileName);
File.Move(tempZipName, _zip.FileName);
_zip = ZipStorer.Open(_zip.FileName, _zip.Access);
}
catch (Exception e)
{
Debug.Log(e.Message);
Debug.Log(e.StackTrace);
return(false);
}
finally
{
if (File.Exists(tempZipName))
{
File.Delete(tempZipName);
}
if (File.Exists(tempEntryName))
{
File.Delete(tempEntryName);
}
}
return(true);
}
/// <summary>
/// Removes one of many files in storage. It creates a new Zip file.
/// </summary>
/// <param name="_zip">Reference to the current Zip object</param>
/// <param name="_zfes">List of Entries to remove from storage</param>
/// <returns>True if success, false if not</returns>
/// <remarks>This method only works for storage of type FileStream</remarks>
public static Boolean RemoveEntries(ref ZipStorer _zip, List <ZipFileEntry> _zfes)
{
if (!(_zip.ZipFileStream is FileStream))
{
throw new InvalidOperationException("RemoveEntries is allowed just over streams of type FileStream");
}
//Get full list of entries
IEnumerable <ZipFileEntry> fullList = _zip.ReadCentralDir();
//In order to delete we need to create a copy of the zip file excluding the selected items
String tempZipName = Path.GetTempFileName();
String tempEntryName = Path.GetTempFileName();
try
{
ZipStorer tempZip = Create(tempZipName, String.Empty);
foreach (ZipFileEntry zfe in fullList)
{
if (_zfes.Contains(zfe))
{
continue;
}
if (_zip.ExtractFile(zfe, tempEntryName))
{
tempZip.AddFile(zfe.Method, tempEntryName, zfe.FilenameInZip, zfe.Comment);
}
}
_zip.Close();
tempZip.Close();
File.Delete(_zip.FileName);
File.Move(tempZipName, _zip.FileName);
_zip = Open(_zip.FileName, _zip.Access);
}
catch
{
return(false);
}
finally
{
if (File.Exists(tempZipName))
{
File.Delete(tempZipName);
}
if (File.Exists(tempEntryName))
{
File.Delete(tempEntryName);
}
}
return(true);
}
/// <summary>
/// Removes one of many files in storage. It creates a new Zip file.
/// </summary>
/// <param name="_zip">Reference to the current Zip object</param>
/// <param name="_zfes">List of Entries to remove from storage</param>
/// <returns>True if success, false if not</returns>
/// <remarks>This method only works for storage of type FileStream</remarks>
public static bool RemoveEntries(ref ZipStorer _zip, List <ZipFileEntry> _zfes)
{
if (!(_zip.ZipFileStream is FileStream))
{
throw new InvalidOperationException("Removing entries is only allowed for file streams");
}
//Get full list of entries
List <ZipFileEntry> fullList = _zip.ReadCentralDir();
//In order to delete we need to create a copy of the zip file excluding the selected items
string tempZipName = Path.GetTempFileName();
string tempEntryName = Path.GetTempFileName();
try
{
using (ZipStorer tempZip = ZipStorer.Create(tempZipName, string.Empty))
{
foreach (ZipFileEntry zfe in fullList)
{
if (!_zfes.Contains(zfe))
{
if (_zip.ExtractFile(zfe, tempEntryName))
{
tempZip.AddFile(zfe.Method, tempEntryName, zfe.FilenameInZip, zfe.Comment);
}
}
}
_zip.Close();
}
File.Delete(_zip.FileName);
File.Move(tempZipName, _zip.FileName);
_zip = ZipStorer.Open(_zip.FileName, _zip.Access);
}
catch
{
return(false);
}
finally
{
if (File.Exists(tempZipName))
{
File.Delete(tempZipName);
}
if (File.Exists(tempEntryName))
{
File.Delete(tempEntryName);
}
}
return(true);
}
public static bool RemoveEntries(ref ZipStorer _zip, List <ZipFileEntry> _zfes)
{
if (!(_zip.ZipFileStream is FileStream))
{
throw new InvalidOperationException("RemoveEntries is allowed just over streams of type FileStream");
}
List <ZipFileEntry> list = _zip.ReadCentralDir();
string tempFileName = Path.GetTempFileName();
string tempFileName2 = Path.GetTempFileName();
try
{
ZipStorer zipStorer = Create(tempFileName, string.Empty);
foreach (ZipFileEntry item in list)
{
if (!_zfes.Contains(item) && _zip.ExtractFile(item, tempFileName2))
{
zipStorer.AddFile(item.Method, tempFileName2, item.FilenameInZip, item.Comment);
}
}
_zip.Close();
zipStorer.Close();
File.Delete(_zip.FileName);
File.Move(tempFileName, _zip.FileName);
_zip = Open(_zip.FileName, _zip.Access);
}
catch
{
return(false);
}
finally
{
if (File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
if (File.Exists(tempFileName2))
{
File.Delete(tempFileName2);
}
}
return(true);
}
public static void UnZip(string fileName)
{
ZipStorer zip = ZipStorer.Open(fileName, IO.FileAccess.Read);
List <ZipStorer.ZipFileEntry> dir = zip.ReadCentralDir();
IO.FileInfo fi = new IO.FileInfo(fileName);
IO.DirectoryInfo di = new IO.DirectoryInfo(fi.FullName.Replace(fi.Extension, ""));
if (!di.Exists)
{
di.Create();
}
foreach (ZipStorer.ZipFileEntry entry in dir)
{
zip.ExtractFile(entry, IO.Path.Combine(di.FullName, entry.FilenameInZip));
}
zip.Close();
}
/// <summary>
/// Removes one of many files in storage. It creates a new Zip file.
/// </summary>
/// <param name="_zip">Reference to the current Zip object</param>
/// <param name="_zfes">List of Entries to remove from storage</param>
/// <returns>True if success, false if not</returns>
/// <remarks>This method only works for storage of type FileStream</remarks>
public static bool RemoveEntries(ref ZipStorer _zip, List<ZipFileEntry> _zfes)
{
if (!(_zip.ZipFileStream is FileStream))
throw new InvalidOperationException("RemoveEntries is allowed just over streams of type FileStream");
//Get full list of entries
List<ZipFileEntry> fullList = _zip.ReadCentralDir();
//In order to delete we need to create a copy of the zip file excluding the selected items
string tempZipName = Path.GetTempFileName();
string tempEntryName = Path.GetTempFileName();
try
{
ZipStorer tempZip = ZipStorer.Create(tempZipName, string.Empty);
foreach (ZipFileEntry zfe in fullList)
{
if (!_zfes.Contains(zfe))
{
if (_zip.ExtractFile(zfe, tempEntryName))
{
tempZip.AddFile(zfe.Method, tempEntryName, zfe.FilenameInZip, zfe.Comment);
}
}
}
_zip.Close();
tempZip.Close();
File.Delete(_zip.FileName);
File.Move(tempZipName, _zip.FileName);
_zip = ZipStorer.Open(_zip.FileName, _zip.Access);
}
catch
{
return false;
}
finally
{
if (File.Exists(tempZipName))
File.Delete(tempZipName);
if (File.Exists(tempEntryName))
File.Delete(tempEntryName);
}
return true;
}
/// <summary>
/// Removes one of many files in storage. It creates a new Zip file.
/// </summary>
/// <param name="zip">Reference to the current Zip object</param>
/// <param name="zfes">List of Entries to remove from storage</param>
/// <returns>True if success, false if not</returns>
/// <remarks>This method only works for storage of type FileStream</remarks>
public static bool RemoveEntries( ref ZipStorer zip, [NotNull] List<ZipFileEntry> zfes ) {
if( zfes == null ) throw new ArgumentNullException( "zfes" );
if( !(zip.zipFileStream is FileStream) )
throw new InvalidOperationException( "RemoveEntries is allowed just over streams of type FileStream" );
//Get full list of entries
List<ZipFileEntry> fullList = zip.ReadCentralDir();
//In order to delete we need to create a copy of the zip file excluding the selected items
string tempZipName = Path.GetTempFileName();
string tempEntryName = Path.GetTempFileName();
try {
ZipStorer tempZip = Create( tempZipName, string.Empty );
foreach( ZipFileEntry zfe in fullList ) {
if( !zfes.Contains( zfe ) ) {
if( zip.ExtractFile( zfe, tempEntryName ) ) {
tempZip.AddFile( zfe.Method, tempEntryName, zfe.FileNameInZip, zfe.Comment );
}
}
}
zip.Close();
tempZip.Close();
if( File.Exists( zip.fileName ) ) {
File.Replace( tempZipName, zip.fileName, null, true );
} else {
File.Move( tempZipName, zip.fileName );
}
zip = Open( zip.fileName, zip.access );
} catch {
return false;
} finally {
if( File.Exists( tempZipName ) )
File.Delete( tempZipName );
if( File.Exists( tempEntryName ) )
File.Delete( tempEntryName );
}
return true;
}
