public override Task <IFeature> NextFeature()
{
while (true)
{
if (_features == null || _pos >= _features.Count)
{
return(Task.FromResult <IFeature>(null));
}
XmlNode featureNode = _features[_pos++];
Feature feature = new Feature();
if (featureNode.Attributes["fid"] != null)
{
feature.OID = XML.Globals.IntegerFeatureID(featureNode.Attributes["fid"].Value);
}
foreach (XmlNode fieldNode in featureNode.SelectNodes("myns:*", _ns))
{
string fieldName = fieldNode.Name.Split(':')[1];
if (fieldName == _fc.ShapeFieldName.Replace("#", ""))
{
feature.Shape = GeometryTranslator.GML2Geometry(fieldNode.InnerXml, _gmlVersion);
}
else
{
FieldValue fv = new FieldValue(fieldName, fieldNode.InnerText);
feature.Fields.Add(fv);
try
{
if (fieldName == _fc.IDFieldName)
{
feature.OID = Convert.ToInt32(fieldNode.InnerText);
}
}
catch { }
}
}
if (feature.Shape == null)
{
foreach (XmlNode gmlNode in featureNode.SelectNodes("GML:*", _ns))
{
feature.Shape = GeometryTranslator.GML2Geometry(gmlNode.OuterXml, _gmlVersion);
if (feature.Shape != null)
{
break;
}
}
}
if (feature.Shape != null &&
_filter is ISpatialFilter &&
_checkGeometryRelation)
{
if (!SpatialRelation.Check(_filter as ISpatialFilter, feature.Shape))
{
continue;
}
}
Transform(feature);
return(Task.FromResult <IFeature>(feature));
}
}
public override Task <IFeature> NextFeature()
{
while (true)
{
if (_reader == null)
{
return(Task.FromResult <IFeature>(null));
}
if (!_reader.ReadToFollowing(_fc.Name, _ns.LookupNamespace("myns")))
{
return(Task.FromResult <IFeature>(null));
}
string featureString = _reader.ReadOuterXml();
XmlDocument doc = new XmlDocument();
doc.LoadXml(featureString);
XmlNode featureNode = doc.ChildNodes[0];
Feature feature = new Feature();
if (featureNode.Attributes["fid"] != null)
{
feature.OID = XML.Globals.IntegerFeatureID(featureNode.Attributes["fid"].Value);
}
foreach (XmlNode fieldNode in featureNode.SelectNodes("myns:*", _ns))
{
string fieldName = fieldNode.Name.Split(':')[1];
if (fieldName == _fc.ShapeFieldName.Replace("#", ""))
{
feature.Shape = GeometryTranslator.GML2Geometry(fieldNode.InnerXml, _gmlVersion);
}
else
{
FieldValue fv = new FieldValue(fieldName, fieldNode.InnerText);
feature.Fields.Add(fv);
try
{
if (fieldName == _fc.IDFieldName)
{
feature.OID = Convert.ToInt32(fieldNode.InnerText);
}
}
catch { }
}
}
if (feature.Shape == null)
{
foreach (XmlNode gmlNode in featureNode.SelectNodes("GML:*", _ns))
{
feature.Shape = GeometryTranslator.GML2Geometry(gmlNode.OuterXml, _gmlVersion);
if (feature.Shape != null)
{
break;
}
}
}
if (feature.Shape != null &&
_filter is ISpatialFilter &&
_checkGeometryRelation)
{
if (!SpatialRelation.Check(_filter as ISpatialFilter, feature.Shape))
{
continue;
}
}
Transform(feature);
return(Task.FromResult <IFeature>(feature));
}
}