public override bool Read()
{
bool flag = this.xmlReader.Read();
if (this.xmlReader.NodeType == XmlNodeType.Element)
{
XopIncludeReader reader = null;
if (this.xmlReader.IsStartElement(MtomGlobals.XopIncludeLocalName, MtomGlobals.XopIncludeNamespace))
{
string uri = null;
while (this.xmlReader.MoveToNextAttribute())
{
if ((this.xmlReader.LocalName == MtomGlobals.XopIncludeHrefLocalName) && (this.xmlReader.NamespaceURI == MtomGlobals.XopIncludeHrefNamespace))
{
uri = this.xmlReader.Value;
}
else if (this.xmlReader.NamespaceURI == MtomGlobals.XopIncludeNamespace)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(System.Runtime.Serialization.SR.GetString("MtomXopIncludeInvalidXopAttributes", new object[] { this.xmlReader.LocalName, MtomGlobals.XopIncludeNamespace })));
}
}
if (uri == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(System.Runtime.Serialization.SR.GetString("MtomXopIncludeHrefNotSpecified", new object[] { MtomGlobals.XopIncludeHrefLocalName })));
}
MimePart part = this.ReadMimePart(uri);
this.CheckContentTransferEncodingOnBinaryPart(part.Headers.ContentTransferEncoding);
this.part = part;
reader = new XopIncludeReader(part, this.xmlReader);
reader.Read();
this.xmlReader.MoveToElement();
if (this.xmlReader.IsEmptyElement)
{
this.xmlReader.Read();
}
else
{
int depth = this.xmlReader.Depth;
this.xmlReader.ReadStartElement();
while (this.xmlReader.Depth > depth)
{
if (this.xmlReader.IsStartElement() && (this.xmlReader.NamespaceURI == MtomGlobals.XopIncludeNamespace))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(System.Runtime.Serialization.SR.GetString("MtomXopIncludeInvalidXopElement", new object[] { this.xmlReader.LocalName, MtomGlobals.XopIncludeNamespace })));
}
this.xmlReader.Skip();
}
this.xmlReader.ReadEndElement();
}
}
if (reader != null)
{
this.xmlReader.MoveToContent();
this.infosetReader = this.xmlReader;
this.xmlReader = reader;
reader = null;
}
}
if ((this.xmlReader.ReadState == System.Xml.ReadState.EndOfFile) && (this.infosetReader != null))
{
if (!flag)
{
flag = this.infosetReader.Read();
}
this.part.Release(this.maxBufferSize, ref this.bufferRemaining);
this.xmlReader = this.infosetReader;
this.infosetReader = null;
}
return flag;
}
public override bool Read()
{
bool retVal = xmlReader.Read();
if (xmlReader.NodeType == XmlNodeType.Element)
{
XopIncludeReader binaryDataReader = null;
if (xmlReader.IsStartElement(MtomGlobals.XopIncludeLocalName, MtomGlobals.XopIncludeNamespace))
{
string uri = null;
while (xmlReader.MoveToNextAttribute())
{
if (xmlReader.LocalName == MtomGlobals.XopIncludeHrefLocalName && xmlReader.NamespaceURI == MtomGlobals.XopIncludeHrefNamespace)
uri = xmlReader.Value;
else if (xmlReader.NamespaceURI == MtomGlobals.XopIncludeNamespace)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.MtomXopIncludeInvalidXopAttributes, xmlReader.LocalName, MtomGlobals.XopIncludeNamespace)));
}
if (uri == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.MtomXopIncludeHrefNotSpecified, MtomGlobals.XopIncludeHrefLocalName)));
MimePart mimePart = ReadMimePart(uri);
CheckContentTransferEncodingOnBinaryPart(mimePart.Headers.ContentTransferEncoding);
this.part = mimePart;
binaryDataReader = new XopIncludeReader(mimePart, xmlReader);
binaryDataReader.Read();
xmlReader.MoveToElement();
if (xmlReader.IsEmptyElement)
{
xmlReader.Read();
}
else
{
int xopDepth = xmlReader.Depth;
xmlReader.ReadStartElement();
while (xmlReader.Depth > xopDepth)
{
if (xmlReader.IsStartElement() && xmlReader.NamespaceURI == MtomGlobals.XopIncludeNamespace)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.MtomXopIncludeInvalidXopElement, xmlReader.LocalName, MtomGlobals.XopIncludeNamespace)));
xmlReader.Skip();
}
xmlReader.ReadEndElement();
}
}
if (binaryDataReader != null)
{
this.xmlReader.MoveToContent();
this.infosetReader = this.xmlReader;
this.xmlReader = binaryDataReader;
binaryDataReader = null;
}
}
if (xmlReader.ReadState == ReadState.EndOfFile && infosetReader != null)
{
// Read past the containing EndElement if necessary
if (!retVal)
retVal = infosetReader.Read();
this.part.Release(this.maxBufferSize, ref this.bufferRemaining);
xmlReader = infosetReader;
infosetReader = null;
}
return retVal;
}