public IrosArc(string filename, bool patchable = false, Action <int, int> progressAction = null)
{
_source = filename;
var sw = new System.Diagnostics.Stopwatch();
sw.Start();
if (patchable)
{
_data = new System.IO.FileStream(filename, System.IO.FileMode.Open, System.IO.FileAccess.ReadWrite);
}
else
{
_data = new System.IO.FileStream(filename, System.IO.FileMode.Open, System.IO.FileAccess.Read);
}
_header = new ArcHeader();
_header.Open(_data);
int numfiles;
_data.Position = _header.Directory;
do
{
numfiles = _data.ReadInt();
if (numfiles == -1)
{
_data.Position = _data.ReadLong();
}
} while (numfiles < 0);
_entries = new List <DirectoryEntry>();
_lookup = new Dictionary <string, DirectoryEntry>(StringComparer.InvariantCultureIgnoreCase);
_folderNames = new HashSet <string>(StringComparer.InvariantCultureIgnoreCase);
for (int i = 0; i < numfiles; i++)
{
progressAction?.Invoke(i, numfiles);
DirectoryEntry e = new DirectoryEntry();
e.Open(_data, _header.Version);
#if !RUDE
if ((e.Flags & FileFlags.RudeFlags) != 0)
{
throw new IrosArcException(String.Format("Archive {0} entry {1} has invalid flags", filename, e.Filename));
}
#endif
_entries.Add(e);
_lookup[e.Filename] = e;
int lpos = e.Filename.LastIndexOf('\\');
if (lpos > 0)
{
_folderNames.Add(e.Filename.Substring(0, lpos));
}
}
sw.Stop();
System.Diagnostics.Debug.WriteLine("IrosArc: opened {0}, contains {1} files, took {2} ms to parse", filename, _lookup.Count, sw.ElapsedMilliseconds);
}
