//<selector
// id = ID
// xpath = a subset of XPath expression, see below
// {any attributes with non-schema namespace . . .}>
// Content: (annotation?)
//</selector>
internal static XmlSchemaXPath Read(XmlSchemaReader reader, ValidationEventHandler h, string name)
{
XmlSchemaXPath path = new XmlSchemaXPath();
reader.MoveToElement();
if (reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != name)
{
error(h, "Should not happen :1: XmlSchemaComplexContentRestriction.Read, name=" + reader.Name, null);
reader.Skip();
return(null);
}
path.LineNumber = reader.LineNumber;
path.LinePosition = reader.LinePosition;
path.SourceUri = reader.BaseURI;
XmlNamespaceManager currentMgr = XmlSchemaUtil.GetParserContext(reader.Reader).NamespaceManager;
if (currentMgr != null)
{
path.nsmgr = new XmlNamespaceManager(reader.NameTable);
IEnumerator e = currentMgr.GetEnumerator();
while (e.MoveNext())
{
string prefix = e.Current as string;
switch (prefix)
{
case "xml":
case "xmlns":
continue;
default:
path.nsmgr.AddNamespace(prefix, currentMgr.LookupNamespace(prefix, false));
break;
}
}
}
while (reader.MoveToNextAttribute())
{
if (reader.Name == "id")
{
path.Id = reader.Value;
}
else if (reader.Name == "xpath")
{
path.xpath = reader.Value;
}
else if ((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h, reader.Name + " is not a valid attribute for " + name, null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader, path);
}
}
reader.MoveToElement();
if (reader.IsEmptyElement)
{
return(path);
}
// Content: (annotation?)
int level = 1;
while (reader.ReadNextElement())
{
if (reader.NodeType == XmlNodeType.EndElement)
{
if (reader.LocalName != name)
{
error(h, "Should not happen :2: XmlSchemaXPath.Read, name=" + reader.Name, null);
}
break;
}
if (level <= 1 && reader.LocalName == "annotation")
{
level = 2; //Only one annotation
XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader, h);
if (annotation != null)
{
path.Annotation = annotation;
}
continue;
}
reader.RaiseInvalidElementError();
}
return(path);
}
