public Entry CreateEntry(string dir, string name)
{
ExceptionContext.Check(!Disposed);
Flush();
string pathEnt;
string pathTemp;
GetPath(out pathEnt, out pathTemp, dir, name, true);
if (!PathMap.TryAdd(pathEnt, pathTemp))
{
throw ExceptionContext.ExceptParam(nameof(name), "Duplicate entry: '{0}'", pathEnt);
}
Stream stream;
if (pathTemp != null)
{
stream = new FileStream(pathTemp, FileMode.CreateNew);
}
else
{
stream = new MemoryStream();
}
return(AddEntry(pathEnt, stream));
}
public Entry OpenEntryOrNull(string dir, string name)
{
ExceptionContext.Check(!Disposed);
string pathEnt;
string pathTemp;
GetPath(out pathEnt, out pathTemp, dir, name, false);
ZipArchiveEntry entry;
Stream stream;
string pathAbs;
string pathLower = pathEnt.ToLowerInvariant();
if (PathMap.TryGetValue(pathLower, out pathAbs))
{
stream = new FileStream(pathAbs, FileMode.Open, FileAccess.Read, FileShare.Read);
}
else
{
if (!_entries.TryGetValue(pathEnt, out entry))
{
//Read old zip file that use backslash in filename
var pathEntTmp = pathEnt.Replace("/", "\\");
if (!_entries.TryGetValue(pathEntTmp, out entry))
{
return(null);
}
}
if (pathTemp != null)
{
// Extract to a temporary file.
Directory.CreateDirectory(Path.GetDirectoryName(pathTemp));
entry.ExtractToFile(pathTemp);
if (!PathMap.TryAdd(pathLower, pathTemp))
{
throw ExceptionContext.ExceptParam(nameof(name), "Duplicate entry: '{0}'", pathLower);
}
stream = new FileStream(pathTemp, FileMode.Open, FileAccess.Read, FileShare.Read);
}
else
{
// Extract to a memory stream.
ExceptionContext.CheckDecode(entry.Length < int.MaxValue, "Repository stream too large to read into memory");
stream = new MemoryStream((int)entry.Length);
using (var src = entry.Open())
src.CopyTo(stream);
stream.Position = 0;
}
}
return(AddEntry(pathEnt, stream));
}
