/// <summary>
/// Delegates <c>WriteEndElement</c> calls when the element's prefix does not
/// match a zip command.
/// Otherwise, close the archive or flush the delegate writer.
/// </summary>
public override void WriteEndElement()
{
// check for pending pzip instructions
if (_currentPzipElement != null && PZIP.Namespace.Equals(_currentPzipElement.Namespace))
{
processPackageInstructions(_currentPzipElement);
_currentPzipElement = null;
}
Node elt = _elements.Pop();
if (!elt.Namespace.Equals(PZIP.Namespace))
{
Debug.WriteLine("delegate - </" + elt.Name + ">");
if (_delegateWriter != null)
{
_delegateWriter.WriteEndElement();
}
}
else
{
switch (elt.Name)
{
case PZIP.ArchiveElement:
if (_processingState == ProcessingState.EntryWaiting)
{
if (_zipOutputStream != null)
{
// Copy binaries before closing the archive
copyBinaries();
//Added by Sonata - Copy Audio files before closing archive
extractFiles();
importFiles();
Debug.WriteLine("[closing archive]");
_zipOutputStream.Close();
_zipOutputStream = null;
}
_processingState = ProcessingState.None;
}
break;
case PZIP.EntryElement:
if (_processingState == ProcessingState.EntryStarted)
{
if (_delegateWriter != null)
{
Debug.WriteLine("[end part]");
_delegateWriter.WriteEndDocument();
_delegateWriter.Flush();
_delegateWriter.Close();
_delegateWriter = null;
}
_processingState = ProcessingState.EntryWaiting;
}
break;
case PZIP.CopyElement:
break;
case PZIP.ExtractElement:
break;
case PZIP.ImportElement:
break;
}
}
}
private void processPackageInstructions(Element element)
{
switch (_currentPzipElement.Name)
{
case PZIP.ArchiveElement:
// Prevent nested archive creation
if (_processingState == ProcessingState.None)
{
if (_currentPzipElement.Attributes.ContainsKey(PZIP.TargetAttr))
{
Debug.WriteLine("Creating archive : " + _currentPzipElement.Attributes[PZIP.TargetAttr].Value);
_zipOutputStream = ZipFactory.CreateArchive(_currentPzipElement.Attributes[PZIP.TargetAttr].Value);
_processingState = ProcessingState.EntryWaiting;
_binaries = new Dictionary <string, string>();
_extractFileList = new Dictionary <string, string>();
_importFileList = new Dictionary <string, string>();
}
else
{
//TODO throw exception
}
}
break;
case PZIP.EntryElement:
// Prevent nested entry creation
if (_processingState == ProcessingState.EntryWaiting)
{
if (_currentPzipElement.Attributes.ContainsKey(PZIP.TargetAttr))
{
Debug.WriteLine("creating new part : " + _currentPzipElement.Attributes[PZIP.TargetAttr].Value);
CompressionMethod compressionMethod = CompressionMethod.Deflated;
if (_currentPzipElement.Attributes.ContainsKey(PZIP.CompressionAttr) && _currentPzipElement.Attributes[PZIP.CompressionAttr].Value.Equals("none"))
{
compressionMethod = CompressionMethod.Stored;
}
_zipOutputStream.AddEntry(_currentPzipElement.Attributes["target"].Value, compressionMethod);
if (_currentPzipElement.Attributes.ContainsKey(PZIP.ContentTypeAttr) && _currentPzipElement.Attributes[PZIP.ContentTypeAttr].Value.Equals("text/plain") &&
_currentPzipElement.Attributes.ContainsKey(PZIP.ContentAttr))
{
Encoding enc = new System.Text.ASCIIEncoding();
byte[] buffer = enc.GetBytes(_currentPzipElement.Attributes[PZIP.ContentAttr].Value);
_zipOutputStream.Write(buffer, 0, buffer.Length);
}
else
{
_delegateWriter = XmlWriter.Create(_zipOutputStream, _delegateSettings);
_delegateWriter.WriteStartDocument();
_processingState = ProcessingState.EntryStarted;
}
}
}
break;
case PZIP.CopyElement:
if (_processingState != ProcessingState.None)
{
if (_currentPzipElement.Attributes.ContainsKey(PZIP.SourceAttr) &&
_currentPzipElement.Attributes.ContainsKey(PZIP.TargetAttr))
{
string source = _currentPzipElement.Attributes[PZIP.SourceAttr].Value;
string target = _currentPzipElement.Attributes[PZIP.TargetAttr].Value;
Debug.WriteLine(string.Format("copy source={0} target={1}", source, target));
if (_binaries != null && !_binaries.ContainsKey(target))
{
//target is the key because there are cases where one file has to be
//copied twice to different locations
_binaries.Add(target, source);
}
}
}
break;
case PZIP.ExtractElement:
if (_processingState != ProcessingState.None)
{
if (_currentPzipElement.Attributes.ContainsKey(PZIP.SourceAttr) &&
_currentPzipElement.Attributes.ContainsKey(PZIP.TargetAttr))
{
string source = _currentPzipElement.Attributes[PZIP.SourceAttr].Value;
string target = _currentPzipElement.Attributes[PZIP.TargetAttr].Value;
Debug.WriteLine(string.Format("copy source={0} target={1}", source, target));
if (_extractFileList != null && !_extractFileList.ContainsKey(target))
{
//target is the key because there are cases where one file has to be
//copied twice to different locations
_extractFileList.Add(target, source);
}
}
}
break;
case PZIP.ImportElement:
if (_processingState != ProcessingState.None)
{
if (_currentPzipElement.Attributes.ContainsKey(PZIP.SourceAttr) &&
_currentPzipElement.Attributes.ContainsKey(PZIP.TargetAttr))
{
string source = _currentPzipElement.Attributes[PZIP.SourceAttr].Value;
string target = _currentPzipElement.Attributes[PZIP.TargetAttr].Value;
Debug.WriteLine(string.Format("copy source={0} target={1}", source, target));
if (_importFileList != null && !_importFileList.ContainsKey(target))
{
//target is the key because there are cases where one file has to be
//copied twice to different locations
_importFileList.Add(target, source);
}
}
}
break;
}
}
