public NDisc(Converter cvt, string sourceFileName)
{
SourceFileName = sourceFileName;
NStream = cvt.NStream;
NStream.Initialize(true);
_settings = new Settings(NStream.IsGameCube ? DiscType.GameCube : DiscType.Wii);
Log = cvt;
}
public NDisc(ILog log, Stream stream)
{
NStream = (stream is NStream) ? (NStream)stream : new NStream(stream);
if (!(stream is NStream))
{
NStream.Initialize(true);
}
_settings = new Settings(NStream.IsGameCube ? DiscType.GameCube : DiscType.Wii);
Log = log;
}
public NStream OpenNStream(bool readAsDisc)
{
if (!File.Exists(this.FilePath))
{
throw new HandledException("SourceFile.Open - '{0}' does not exist.", (this.FilePath) ?? "");
}
Stream fs = null;
if (!this.IsArchive)
{
try
{
fs = this.OpenStream();
NStream nStream = new NStream(new StreamForward(fs, null));
nStream.Initialize(readAsDisc);
return(nStream);
}
catch (Exception ex)
{
throw new HandledException(ex, "SourceFile.OpenNStream '{0}'", this.FilePath ?? "");
}
}
else
{
string arcType = "";
IArchive archive;
if (!this.IsSplit)
{
try
{
arcType = ((this.AllFiles.Length == 0) ? "" : "multipart ") + "archive";
archive = ArchiveFactory.Open(this.FilePath); //handles multipart archives
}
catch (Exception ex)
{
throw new HandledException(ex, "SourceFile.OpenNStream ({0}) '{1}'", arcType, this.FilePath ?? "");
}
}
else
{
try
{
arcType = "split archive";
fs = this.OpenStream();
archive = ArchiveFactory.Open(fs); //handles multipart archives
}
catch (Exception ex)
{
throw new HandledException(ex, "SourceFile.OpenNStream ({0}) '{1}'", arcType, this.FilePath ?? "");
}
}
IArchiveEntry ent;
string key = "";
try
{
//zip uses / path separator rar uses \
int pathLen = string.IsNullOrEmpty(this.Path) ? 0 : this.Path.Length + 1;
ent = archive.Entries.FirstOrDefault(e => e.Key.Length == pathLen + this.Name.Length && e.Key.StartsWith(this.Path) && e.Key.EndsWith(this.Name));
if (ent == null)
{
throw new Exception("Open archive file entry failure");
}
key = ent.Key;
}
catch (Exception ex)
{
throw new HandledException(ex, "SourceFile.OpenNStream ({0}) '{1}' failed to open entry '{2}'", arcType, this.FilePath ?? "", this.Name ?? "");
}
try
{
if (ent != null)
{
NStream nStream = new NStream(new StreamForward((long)ent.Size, ent.OpenEntryStream(), archive));
nStream.Initialize(true);
return(nStream);
}
}
catch (Exception ex)
{
throw new HandledException(ex, "SourceFile.OpenNStream ({0}) '{1}' failed to stream entry '{2}'", arcType, this.FilePath ?? "", key ?? "");
}
return(null);
}
}
