private static IPRangesGroup ReadGroupElement(XmlReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
var group = new IPRangesGroup();
while (reader.MoveToNextAttribute())
{
var attrName = reader.Name.ToLowerInvariant();
if (attrName == "name")
{
group.Name = reader.Value;
}
}
reader.MoveToContent();
return(group);
}
public static bool TryParseFromXml(XmlTextReader reader, out IPRangesGroup group, out Exception exception, bool skipIfRootElementNotMatching)
{
if (reader == null) throw new ArgumentNullException("reader");
exception = null;
group = null;
IPRangesRegion region = null;
IPRangesGroup result = null;
var level = 0;
while (reader.Read())
{
switch (reader.NodeType)
{
case XmlNodeType.Element:
level++;
try
{
var name = reader.Name.ToLowerInvariant();
if (level == 1)
{
if (name == "group")
{
result = ReadGroupElement(reader);
continue;
}
if (skipIfRootElementNotMatching)
{
group = new IPRangesGroup();
return true;
}
exception = new XmlException("Invalid root element('" + reader.Name + "'), expecting 'group'");
return false;
}
if (level == 2 && name == "region")
{
if (result == null)
{
exception = new InvalidDataException("Missing appropriate root element");
return false;
}
region = ReadRegionElement(reader);
region.ParentGroup = result;
result.Regions.Add(region);
continue;
}
if (level == 3 && (name == "range" || name == "iprange"))
{
if (result == null)
{
exception = new InvalidDataException("Missing 'group' element");
return false;
}
if (region == null)
{
exception = new InvalidDataException("Missing 'region' element");
return false;
}
region.Ranges.Add(ReadRangeElement(reader));
}
}
finally
{
if (reader.IsEmptyElement) level--;
}
break;
case XmlNodeType.EndElement:
level--;
if (level == 0)
{
group = result;
return true;
}
break;
}
}
group = result;
return true;
}
public static bool TryParseFromXml(XmlTextReader reader, out IPRangesGroup group, out Exception exception)
{
return TryParseFromXml(reader, out group, out exception, false);
}
private static IPRangesGroup ReadGroupElement(XmlReader reader)
{
if (reader == null) throw new ArgumentNullException("reader");
var group = new IPRangesGroup();
while (reader.MoveToNextAttribute())
{
var attrName = reader.Name.ToLowerInvariant();
if (attrName == "name") group.Name = reader.Value;
}
reader.MoveToContent();
return group;
}
public static bool TryParseFromXml(XmlTextReader reader, out IPRangesGroup group, out Exception exception, bool skipIfRootElementNotMatching)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
exception = null;
group = null;
IPRangesRegion region = null;
IPRangesGroup result = null;
var level = 0;
while (reader.Read())
{
switch (reader.NodeType)
{
case XmlNodeType.Element:
level++;
try
{
var name = reader.Name.ToLowerInvariant();
if (level == 1)
{
if (name == "group")
{
result = ReadGroupElement(reader);
continue;
}
if (skipIfRootElementNotMatching)
{
group = new IPRangesGroup();
return(true);
}
exception = new XmlException("Invalid root element('" + reader.Name + "'), expecting 'group'");
return(false);
}
if (level == 2 && name == "region")
{
if (result == null)
{
exception = new InvalidDataException("Missing appropriate root element");
return(false);
}
region = ReadRegionElement(reader);
region.ParentGroup = result;
result.Regions.Add(region);
continue;
}
if (level == 3 && (name == "range" || name == "iprange"))
{
if (result == null)
{
exception = new InvalidDataException("Missing 'group' element");
return(false);
}
if (region == null)
{
exception = new InvalidDataException("Missing 'region' element");
return(false);
}
region.Ranges.Add(ReadRangeElement(reader));
}
}
finally
{
if (reader.IsEmptyElement)
{
level--;
}
}
break;
case XmlNodeType.EndElement:
level--;
if (level == 0)
{
group = result;
return(true);
}
break;
}
}
group = result;
return(true);
}
public static bool TryParseFromXml(XmlTextReader reader, out IPRangesGroup group, out Exception exception)
{
return(TryParseFromXml(reader, out group, out exception, false));
}
