/// <summary>
/// Возвращает поток с данными из указанной секции и всех ее дочерних секций
/// </summary>
/// <param name="sectionName"></param>
/// <returns></returns>
public Stream CreateStream(string sectionName)
{
throwIfDisposed();
if (_sectionStreams.Any(si => si.SectionName == sectionName))
{
throw new InvalidOperationException();
}
var tmp = _sections.AllChildren.Find(s => s.Section.FullName == sectionName);
var sectionIndex = tmp.Index;
var section = tmp.ValueOrDefault;
NotifiableStream stream = null;
if (section == null)
{
stream = new NotifiableStream(new MemoryStream());
sectionIndex = Math.Max(_sections.AllChildren.Count() - 1, _sectionStreams.EmptyToNull()?.Max(s => s.PositionInBase) ?? 0);
}
else
{
stream = new NotifiableStream(readSection());
}
hookEvents(stream);
var streamInfo = new StreamInfo(sectionName, stream, sectionIndex);
_sectionStreams.Add(streamInfo);
return(stream);
Stream readSection()
{
var ms = new MemoryStream();
var sw = new StreamWriter(ms);
sw.WriteLines(section.Lines);
sw.Flush();
ms.Position = 0;
return(ms);
}
}
public StreamInfo(string sectionName, NotifiableStream stream, int positionInBase)
{
SectionName = sectionName;
Stream = stream;
PositionInBase = positionInBase;
}
void unhookEvents(NotifiableStream stream)
{
stream.Modified -= updateBaseStream;
stream.Closed -= closeBaseStream;
}
