public void AddParserListener(IRtfParserListener listener)
{
if (listener == null)
{
throw new ArgumentNullException(nameof(listener));
}
if (_listeners == null)
{
_listeners = new ArrayList();
}
if (!_listeners.Contains(listener))
{
_listeners.Add(listener);
}
} // AddParserListener
// ----------------------------------------------------------------------
public void AddParserListener( IRtfParserListener listener )
{
if ( listener == null )
{
throw new ArgumentNullException( "listener" );
}
if ( listeners == null )
{
listeners = new ArrayList();
}
if ( !listeners.Contains( listener ) )
{
listeners.Add( listener );
}
}
} // IgnoreContentAfterRootGroup
// ----------------------------------------------------------------------
public void AddParserListener(IRtfParserListener listener)
{
if (listener == null)
{
throw new ArgumentNullException("listener");
}
if (this.listeners == null)
{
this.listeners = new ArrayList();
}
if (!this.listeners.Contains(listener))
{
this.listeners.Add(listener);
}
} // AddParserListener
} // AddParserListener
public void RemoveParserListener(IRtfParserListener listener)
{
if (listener == null)
{
throw new ArgumentNullException(nameof(listener));
}
if (_listeners != null)
{
if (_listeners.Contains(listener))
{
_listeners.Remove(listener);
}
if (_listeners.Count == 0)
{
_listeners = null;
}
}
} // RemoveParserListener
} // AddParserListener
// ----------------------------------------------------------------------
public void RemoveParserListener( IRtfParserListener listener )
{
if ( listener == null )
{
throw new ArgumentNullException( "listener" );
}
if ( this.listeners != null )
{
if ( this.listeners.Contains( listener ) )
{
this.listeners.Remove( listener );
}
if ( this.listeners.Count == 0 )
{
this.listeners = null;
}
}
} // RemoveParserListener
public static string RtfToHtml(this string str, RtfHtmlConvertSettings htmlConvertSettings, bool throwOnError = false, IRtfParserListener listener = null, string destinationDirectory = null, RtfVisualImageAdapter imageAdapter = null, string imageAdapterLogFile = null, RtfImageConvertSettings imageConvertSettings = null)
{
IRtfGroup rtfStructure;
IRtfDocument rtfDocument = null;
try
{
using (var stream = str.ToStream())
{
// parse the rtf structure
var structureBuilder = new RtfParserListenerStructureBuilder();
var parser = new RtfParser(structureBuilder);
DirectoryInfo destination;
if (destinationDirectory != null)
{
destination = new DirectoryInfo(destinationDirectory);
}
parser.IgnoreContentAfterRootGroup = true; // support WordPad documents
if (listener != null)
{
parser.AddParserListener(listener);
}
parser.Parse(new RtfSource(stream));
rtfStructure = structureBuilder.StructureRoot;
ThrowOnUnexpectedExitCode();
rtfDocument = InterpretRtf(rtfStructure, imageAdapter, imageAdapterLogFile, imageConvertSettings, throwOnError);
if (throwOnError)
{
ThrowOnUnexpectedExitCode();
}
// convert to hmtl
string html = ConvertHmtl(rtfDocument, imageAdapter, htmlConvertSettings, throwOnError);
if (throwOnError)
{
ThrowOnUnexpectedExitCode();
}
return(html);
}
}
catch (Exception e)
{
Debug.WriteLine("RtfToHtml parser failed with error: {0}", e.Message);
}
return(null);
}
public RtfParser(TextReader reader, IRtfParserListener listener)
{
_reader = reader;
_listener = listener;
}
