private static void ParseElement(XmlTextReader reader, Container parent, CharacterPositionFinder finder, IXmlFlavor flavor)
{
var name = flavor.GetName(reader);
var type = flavor.GetType(reader);
var content = flavor.GetContent(reader);
var container = new Container
{
Type = type,
Name = name,
Content = content,
};
var isEmpty = reader.IsEmptyElement;
var startingSpan = GetLocationSpanWithParseAttributes(reader, container, finder, flavor);
var headerSpan = GetCharacterSpan(startingSpan, finder);
if (isEmpty)
{
// there is no content, so we have to get away of the footer by just using the '/>' characters as footer
var headerSpanCorrected = new CharacterSpan(headerSpan.Start, Math.Max(headerSpan.Start, headerSpan.End - 2));
var footerSpanCorrected = new CharacterSpan(Math.Max(0, headerSpan.End - 1), headerSpan.End);
container.LocationSpan = startingSpan;
container.HeaderSpan = headerSpanCorrected;
container.FooterSpan = footerSpanCorrected;
}
else
{
while (reader.NodeType != XmlNodeType.EndElement)
{
Parse(reader, container, finder, flavor);
// we had a side effect (reading further on stream to get the location span), so we have to check whether we found already an element or end element
if (reader.NodeType == XmlNodeType.Element)
{
continue;
}
if (reader.NodeType == XmlNodeType.EndElement)
{
break;
}
}
var endingSpan = GetLocationSpan(reader);
var footerSpan = GetCharacterSpan(endingSpan, finder);
container.LocationSpan = new LocationSpan(startingSpan.Start, endingSpan.End);
container.HeaderSpan = headerSpan;
container.FooterSpan = footerSpan;
}
// check whether we can use a terminal node instead
var child = flavor.FinalAdjustAfterParsingComplete(container);
parent.Children.Add(child);
}
private static void ParseTerminalNode(XmlTextReader reader, Container parent, CharacterPositionFinder finder, IXmlFlavor flavor)
{
var name = flavor.GetName(reader);
var type = flavor.GetType(reader);
var content = flavor.GetContent(reader);
var locationSpan = GetLocationSpan(reader);
var span = GetCharacterSpan(locationSpan, finder);
var child = AddTerminalNode(parent, type, name, content, locationSpan, span);
flavor.FinalAdjustAfterParsingComplete(child);
}
private static void ParseAttribute(XmlTextReader reader, Container parent, CharacterPositionFinder finder, IXmlFlavor flavor)
{
var attributeStartPos = new LineInfo(reader.LineNumber, reader.LinePosition);
var name = flavor.GetName(reader);
var type = flavor.GetType(reader);
// important call to be able to read the attribute value
reader.ReadAttributeValue();
var content = flavor.GetContent(reader);
var attributeEndPos = new LineInfo(reader.LineNumber, reader.LinePosition + content.Length);
var startPos = finder.GetCharacterPosition(attributeStartPos);
var endPos = finder.GetCharacterPosition(attributeEndPos);
var locationSpan = new LocationSpan(attributeStartPos, attributeEndPos);
var span = new CharacterSpan(startPos, endPos);
var child = AddTerminalNode(parent, type, name, content, locationSpan, span);
flavor.FinalAdjustAfterParsingComplete(child);
}
