protected virtual void OnReadXml(XmlReader reader)
{
if (reader == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("reader");
}
if (!reader.IsStartElement())
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("reader", SR.GetString(SR.FilterReaderNotStartElem));
}
if (reader.IsEmptyElement)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("reader", SR.GetString(SR.FilterInvalidInner, InnerElem));
}
// Pull in the node quota
string quotaString = null;
//bool found = false;
while (reader.MoveToNextAttribute())
{
if (QueryDataModel.IsAttribute(reader.NamespaceURI))
{
/*
* if(found || reader.LocalName != NodeQuotaAttr || reader.NamespaceURI != string.Empty)
* {
* throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.FilterInvalidAttribute)));
* }
*/
if (reader.LocalName == NodeQuotaAttr && reader.NamespaceURI.Length == 0)
{
quotaString = reader.Value;
//found = true;
break;
}
}
}
if (reader.NodeType == XmlNodeType.Attribute)
{
reader.MoveToElement();
}
int quota = quotaString == null ? int.MaxValue : int.Parse(quotaString, NumberFormatInfo.InvariantInfo);
reader.ReadStartElement();
reader.MoveToContent();
if (reader.LocalName != InnerElem)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("reader", SR.GetString(SR.FilterInvalidInner, InnerElem));
}
ReadFrom(reader, new XPathMessageContext());
reader.MoveToContent();
reader.ReadEndElement();
this.NodeQuota = quota;
}
// Assumes that the reader is current parked at the filter's start tag
void ReadFrom(XmlReader reader, XmlNamespaceManager namespaces)
{
if (reader == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("reader");
}
if (!reader.IsStartElement())
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("reader", SR.GetString(SR.FilterReaderNotStartElem));
}
bool found = false;
string dialect = null;
while (reader.MoveToNextAttribute())
{
if (QueryDataModel.IsAttribute(reader.NamespaceURI))
{
if (found || reader.LocalName != DialectAttr || reader.NamespaceURI != WSEventingNamespace)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.FilterInvalidAttribute)));
}
dialect = reader.Value;
found = true;
}
}
if (reader.NodeType == XmlNodeType.Attribute)
{
reader.MoveToElement();
}
if (dialect != null && dialect != XPathDialect)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.FilterInvalidDialect, XPathDialect)));
}
bool wasEmpty = reader.IsEmptyElement;
reader.ReadStartElement();
if (wasEmpty)
{
this.Init(string.Empty, namespaces);
}
else
{
ReadXPath(reader, namespaces);
reader.ReadEndElement();
}
}
private void ReadFrom(XmlReader reader, XmlNamespaceManager namespaces)
{
if (reader == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("reader");
}
if (!reader.IsStartElement())
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("reader", System.ServiceModel.SR.GetString("FilterReaderNotStartElem"));
}
bool flag = false;
string str = null;
while (reader.MoveToNextAttribute())
{
if (QueryDataModel.IsAttribute(reader.NamespaceURI))
{
if ((flag || (reader.LocalName != "Dialect")) || (reader.NamespaceURI != "http://schemas.xmlsoap.org/ws/2004/06/eventing"))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(System.ServiceModel.SR.GetString("FilterInvalidAttribute")));
}
str = reader.Value;
flag = true;
}
}
if (reader.NodeType == XmlNodeType.Attribute)
{
reader.MoveToElement();
}
if ((str != null) && (str != "http://www.w3.org/TR/1999/REC-xpath-19991116"))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(System.ServiceModel.SR.GetString("FilterInvalidDialect", new object[] { "http://www.w3.org/TR/1999/REC-xpath-19991116" })));
}
bool isEmptyElement = reader.IsEmptyElement;
reader.ReadStartElement();
if (isEmptyElement)
{
this.Init(string.Empty, namespaces);
}
else
{
this.ReadXPath(reader, namespaces);
reader.ReadEndElement();
}
}
protected virtual void OnReadXml(XmlReader reader)
{
if (reader == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("reader");
}
if (!reader.IsStartElement())
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("reader", System.ServiceModel.SR.GetString("FilterReaderNotStartElem"));
}
if (reader.IsEmptyElement)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("reader", System.ServiceModel.SR.GetString("FilterInvalidInner", new object[] { "XPath" }));
}
string s = null;
while (reader.MoveToNextAttribute())
{
if ((QueryDataModel.IsAttribute(reader.NamespaceURI) && (reader.LocalName == "NodeQuota")) && (reader.NamespaceURI.Length == 0))
{
s = reader.Value;
break;
}
}
if (reader.NodeType == XmlNodeType.Attribute)
{
reader.MoveToElement();
}
int num = (s == null) ? 0x7fffffff : int.Parse(s, NumberFormatInfo.InvariantInfo);
reader.ReadStartElement();
reader.MoveToContent();
if (reader.LocalName != "XPath")
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("reader", System.ServiceModel.SR.GetString("FilterInvalidInner", new object[] { "XPath" }));
}
this.ReadFrom(reader, new XPathMessageContext());
reader.MoveToContent();
reader.ReadEndElement();
this.NodeQuota = num;
}
