private void ReadCentralDirectoryData(Stream stream)
{
if (stream == null)
throw new ArgumentNullException("stream");
while (ReadInt32(stream) == Constants.CentralHeaderSignature)
{
ZipArchiveItem item = new ZipArchiveItem();
item.ReadCentralDirectoryData(stream);
m_arrItems.Add(item);
}
}
public ZipArchiveItem AddItem(string itemName, Stream data, bool bControlStream, FileAttributes attributes)
{
itemName = itemName.Replace('\\', '/');
if (itemName.IndexOf(':') >= 0)
throw new ArgumentOutOfRangeException("ZipItem name contains illegal characters.", "itemName");
if (m_dicItems.Contains(itemName))
throw new ArgumentOutOfRangeException("Item " + itemName + " already exists in the archive");
ZipArchiveItem item = new ZipArchiveItem(itemName, data, bControlStream, attributes);
item.CompressionLevel = m_defaultLevel;
return AddItem(item);
}
public ZipArchiveItem AddItem(ZipArchiveItem item)
{
if (item == null)
throw new ArgumentNullException("item");
m_arrItems.Add(item);
m_dicItems.Add(item.ItemName, item);
return item;
}
private void CreateZipFileByTextFile(
string zipFileName
)
{
_fileStream.Position = 0;
//doing zip
using (var zip = new ZipArchive())
{
using (var mstream = new MemoryStream())
{
var buffer = new byte[32768];
int read;
while ((read = _fileStream.Read(buffer, 0, buffer.Length)) > 0)
{
mstream.Write(buffer, 0, read);
}
var zipItem = new ZipArchiveItem(
this._fileInformation.Name,
mstream,
true,
FileAttributes.Normal);
zip.AddItem(zipItem);
zip.Save(zipFileName);
}
}
}