/// <summary>
/// Unserialize zip
/// </summary>
/// <param name="input">input stream</param>
/// <returns>operation outcome</returns>
public bool UnSerialize()
{
try
{
/// Start at the beginning of the EOF
this.m_zipReader.Seek(-0x36, SeekOrigin.End);
/// Get central directory info from the eof header
CentralDirectoryRecordEOF eof = new CentralDirectoryRecordEOF();
eof.UnSerialize(this.m_zipReader);
this.m_lZipDirectory = new List<ZipFile>(eof.TotalCDirEntries);
///Seek to the beginning of the zip to read the preload local file header
//this.m_zipReader.Seek(0, SeekOrigin.Begin);
//LocalFileHeader preloadHdr = new LocalFileHeader();
//preloadHdr.UnSerialize(this.m_zipReader);
//m_preloadSection = new PreloadSection(new MemoryStream(preloadHdr.FileData));
/// Read preload
//Thread preloadWorker = new Thread(new ThreadStart(m_preloadSection.UnSerialize));
//preloadWorker.Start();
///Parse Central Directory
this.m_zipReader.Seek((int)eof.StartOfCDir, SeekOrigin.Begin);
ZipFile file;
CentralDirectoryEntry entry;
for (int i = 1; i < eof.TotalCDirEntries; i++)
{
entry = new CentralDirectoryEntry(this.m_zipReader);
file = new ZipFile(entry, i);
this.m_lZipDirectory.Add(file);
}
GetGame();
return true;
}
catch { return false; }
}
/// <summary>
/// Saves the current zip file
/// </summary>
/// <param name="output">location to save</param>
/// <returns>outcome of operation</returns>
public bool Save(string output,bool getFileData)
{
try
{
CentralDirectoryRecordEOF eof = new CentralDirectoryRecordEOF();
eof.TotalCDirEntries = (ushort)this.m_lZipDirectory.Count;
/// Get all file data
if (getFileData)
for (int i = 0; i < this.m_lZipDirectory.Count; i++)
this.m_lZipDirectory[i].ChildEntry.FileData = GetFileData(i);
using (IOWriter writer = new IOWriter(File.Create(output)))
{
/// Write local file directories
foreach (ZipFile file in this.m_lZipDirectory)
writer.Write(file.CreateHeader((int)writer.BaseStream.Position).Serialize());
/// Pad the beginning of the central directory
int cdirStart = (int)writer.BaseStream.Position.Align(0x800);
writer.Write(new byte[cdirStart - (int)writer.BaseStream.Position]);
eof.StartOfCDir = (uint)cdirStart;
/// Write Central Directory entires
foreach (ZipFile file in this.m_lZipDirectory)
writer.Write(file.ChildEntry.Serialize());
/// Pad out the end of the central directory
int cdirEnd = (int)writer.BaseStream.Position.Align(0x800);
writer.Write(new byte[cdirEnd - (int)writer.BaseStream.Position]);
eof.SizeOfCDir = (ushort)(cdirEnd - cdirStart);
/// Pad zip
if (writer.BaseStream.Length < (int)this.m_gameName)
writer.Write(new byte[((int)this.m_gameName - writer.BaseStream.Length) - 54]);
/// Write EOF
writer.Write(eof.Serialize());
}
return true;
}
catch { return false; }
}
