Added support for sample requests and responses.

svn path=/trunk/mono/; revision=22186

1 files changed, 853 insertions, 5 deletions

diff --git a/data/DefaultWsdlHelpGenerator.aspx b/data/DefaultWsdlHelpGenerator.aspx
index 6e029ee8448..b43fe4b8ab8 100644
--- a/data/DefaultWsdlHelpGenerator.aspx
+++ b/data/DefaultWsdlHelpGenerator.aspx
@@ -86,7 +86,9 @@ void BuildOperationInfo ()
 	InParams = new ArrayList ();
 	OutParams = new ArrayList ();
 	
-	Binding binding = FindBinding (CurrentOperationBinding);
+	Port port = FindPort (CurrentOperationBinding, null);
+	Binding binding = descriptions.GetBinding (port.Binding);
+	
 	PortType portType = descriptions.GetPortType (binding.Type);
 	Operation oper = FindOperation (portType, CurrentOperationName);
 	
@@ -229,15 +231,33 @@ ArrayList FindServiceProtocols(string operName)
 	return table;
 }
 
-Binding FindBinding (string portName)
+Port FindPort (string portName, string protocol)
 {
 	Service service = descriptions[0].Services[0];
 	foreach (Port port in service.Ports)
-		if (port.Name == portName)
-			return descriptions.GetBinding (port.Binding);
+	{
+		if (portName == null)
+		{
+			Binding binding = descriptions.GetBinding (port.Binding);
+			if (GetProtocol (binding) == protocol) return port;
+		}
+		else if (port.Name == portName)
+			return port;
+	}
 	return null;
 }
 
+string GetProtocol (Binding binding)
+{
+	if (binding.Extensions.Find (typeof(SoapBinding)) != null) return "Soap";
+	HttpBinding hb = (HttpBinding) binding.Extensions.Find (typeof(HttpBinding));
+	if (hb == null) return "";
+	if (hb.Verb == "POST") return "HttpPost";
+	if (hb.Verb == "GET") return "HttpGet";
+	return "";
+}
+
+
 Operation FindOperation (PortType portType, string name)
 {
 	foreach (Operation oper in portType.Operations) {
@@ -339,6 +359,39 @@ string GetTestResult ()
 	}
 }
 
+string GenerateOperationMessages (string protocol, bool generateInput)
+{
+	if (CurrentPage != "op" || CurrentTab != "msg") return "";
+	Port port;
+	if (protocol != "Soap") port = FindPort (null, protocol);
+	else port = FindPort (CurrentOperationBinding, null);
+	
+	Binding binding = descriptions.GetBinding (port.Binding);
+	OperationBinding obin = FindOperation (binding, CurrentOperationName);
+	PortType portType = descriptions.GetPortType (binding.Type);
+	Operation oper = FindOperation (portType, CurrentOperationName);
+	
+	HtmlSampleGenerator sg = new HtmlSampleGenerator (descriptions, schemas);
+	string txt = sg.GenerateMessage (port, obin, oper, protocol, generateInput);
+	if (protocol == "Soap") txt = WrapText (txt,CodeTextColumns);
+	txt = ColorizeXml (txt);
+	txt = txt.Replace ("@placeholder!","<span class='literal-placeholder'>");
+	txt = txt.Replace ("!placeholder@","</span>");
+	return txt;
+}
+
+bool IsOperationSupported (string protocol)
+{
+	if (CurrentPage != "op" || CurrentTab != "msg") return false;
+	if (protocol == "Soap") return true;
+
+	Port port = FindPort (null, protocol);
+	if (port == null) return false;
+	Binding binding = descriptions.GetBinding (port.Binding);
+	if (binding == null) return false;
+	return FindOperation (binding, CurrentOperationName) != null;
+}
+
 //
 // Proxy code generation
 //
@@ -688,9 +741,764 @@ class Parameter
 	public string Description { get { return description; } set { description = value; } }
 }
 
+public class HtmlSampleGenerator: SampleGenerator
+{
+	public HtmlSampleGenerator (ServiceDescriptionCollection services, XmlSchemas schemas)
+	: base (services, schemas)
+	{
+	}
+		
+	protected override string GetLiteral (string s)
+	{
+		return "@placeholder!" + s + "!placeholder@";
+	}
+}
+
+
+	public class SampleGenerator
+	{
+		protected ServiceDescriptionCollection descriptions;
+		protected XmlSchemas schemas;
+		XmlSchemaElement anyElement;
+		ArrayList queue;
+		SoapBindingUse currentUse;
+		XmlDocument document = new XmlDocument ();
+		
+		static readonly XmlQualifiedName anyType = new XmlQualifiedName ("anyType",XmlSchema.Namespace);
+		static readonly XmlQualifiedName arrayType = new XmlQualifiedName ("Array","http://schemas.xmlsoap.org/soap/encoding/");
+		static readonly XmlQualifiedName arrayTypeRefName = new XmlQualifiedName ("arrayType","http://schemas.xmlsoap.org/soap/encoding/");
+		const string SoapEnvelopeNamespace = "http://schemas.xmlsoap.org/soap/envelope/";
+		const string WsdlNamespace = "http://schemas.xmlsoap.org/wsdl/";
+		const string SoapEncodingNamespace = "http://schemas.xmlsoap.org/soap/encoding/";
+		
+		class EncodedType
+		{
+			public EncodedType (string ns, XmlSchemaElement elem) { Namespace = ns; Element = elem; }
+			public string Namespace;
+			public XmlSchemaElement Element;
+		}
+
+		public SampleGenerator (ServiceDescriptionCollection services, XmlSchemas schemas)
+		{
+			descriptions = services;
+			this.schemas = schemas;
+			queue = new ArrayList ();
+		}
+		
+		public string GenerateMessage (Port port, OperationBinding obin, Operation oper, string protocol, bool generateInput)
+		{
+			OperationMessage msg = null;
+			foreach (OperationMessage opm in oper.Messages)
+			{
+				if (opm is OperationInput && generateInput) msg = opm;
+				else if (opm is OperationOutput && !generateInput) msg = opm;
+			}
+			if (msg == null) return null;
+			
+			switch (protocol) {
+				case "Soap": return GenerateHttpSoapMessage (port, obin, oper, msg);
+				case "HttpGet": return GenerateHttpGetMessage (port, obin, oper, msg);
+				case "HttpPost": return GenerateHttpPostMessage (port, obin, oper, msg);
+			}
+			return "Unknown protocol";
+		}
+		
+		public string GenerateHttpSoapMessage (Port port, OperationBinding obin, Operation oper, OperationMessage msg)
+		{
+			string req = "";
+			
+			if (msg is OperationInput)
+			{
+				SoapAddressBinding sab = port.Extensions.Find (typeof(SoapAddressBinding)) as SoapAddressBinding;
+				SoapOperationBinding sob = obin.Extensions.Find (typeof(SoapOperationBinding)) as SoapOperationBinding;
+				req += "POST " + new Uri (sab.Location).AbsolutePath + "\n";
+				req += "SOAPAction: " + sob.SoapAction + "\n";
+				req += "Content-Type: text/xml; charset=utf-8\n";
+				req += "Content-Length: " + GetLiteral ("string") + "\n";
+				req += "Host: " + GetLiteral ("string") + "\n\n";
+			}
+			else
+			{
+				req += "HTTP/1.0 200 OK\n";
+				req += "Content-Type: text/xml; charset=utf-8\n";
+				req += "Content-Length: " + GetLiteral ("string") + "\n\n";
+			}
+			
+			req += GenerateSoapMessage (obin, oper, msg);
+			return req;
+		}
+		
+		public string GenerateHttpGetMessage (Port port, OperationBinding obin, Operation oper, OperationMessage msg)
+		{
+			string req = "";
+			
+			if (msg is OperationInput)
+			{
+				HttpAddressBinding sab = port.Extensions.Find (typeof(HttpAddressBinding)) as HttpAddressBinding;
+				HttpOperationBinding sob = obin.Extensions.Find (typeof(HttpOperationBinding)) as HttpOperationBinding;
+				string location = new Uri (sab.Location).AbsolutePath + sob.Location + "?" + BuildQueryString (msg);
+				req += "GET " + location + "\n";
+				req += "Host: " + GetLiteral ("string");
+			}
+			else
+			{
+				req += "HTTP/1.0 200 OK\n";
+				req += "Content-Type: text/xml; charset=utf-8\n";
+				req += "Content-Length: " + GetLiteral ("string") + "\n\n";
+			
+				MimeXmlBinding mxb = (MimeXmlBinding) obin.Output.Extensions.Find (typeof(MimeXmlBinding)) as MimeXmlBinding;
+				if (mxb == null) return req;
+				
+				Message message = descriptions.GetMessage (msg.Message);
+				XmlQualifiedName ename = null;
+				foreach (MessagePart part in message.Parts)
+					if (part.Name == mxb.Part) ename = part.Element;
+					
+				if (ename == null) return req + GetLiteral("string");
+				
+				StringWriter sw = new StringWriter ();
+				XmlTextWriter xtw = new XmlTextWriter (sw);
+				xtw.Formatting = Formatting.Indented;
+				currentUse = SoapBindingUse.Literal;
+				WriteRootElementSample (xtw, ename);
+				xtw.Close ();
+				req += sw.ToString ();
+			}
+			
+			return req;
+		}
+		
+		public string GenerateHttpPostMessage (Port port, OperationBinding obin, Operation oper, OperationMessage msg)
+		{
+			string req = "";
+			
+			if (msg is OperationInput)
+			{
+				HttpAddressBinding sab = port.Extensions.Find (typeof(HttpAddressBinding)) as HttpAddressBinding;
+				HttpOperationBinding sob = obin.Extensions.Find (typeof(HttpOperationBinding)) as HttpOperationBinding;
+				string location = new Uri (sab.Location).AbsolutePath + sob.Location;
+				req += "POST " + location + "\n";
+				req += "Content-Type: application/x-www-form-urlencoded\n";
+				req += "Content-Length: " + GetLiteral ("string") + "\n";
+				req += "Host: " + GetLiteral ("string") + "\n\n";
+				req += BuildQueryString (msg);
+			}
+			else return GenerateHttpGetMessage (port, obin, oper, msg);
+			
+			return req;
+		}
+		
+		string BuildQueryString (OperationMessage opm)
+		{
+			string s = "";
+			Message msg = descriptions.GetMessage (opm.Message);
+			foreach (MessagePart part in msg.Parts)
+			{
+				if (s.Length != 0) s += "&";
+				s += part.Name + "=" + GetLiteral (part.Type.Name);
+			}
+			return s;
+		}
+		
+		public string GenerateSoapMessage (OperationBinding obin, Operation oper, OperationMessage msg)
+		{
+			SoapOperationBinding sob = obin.Extensions.Find (typeof(SoapOperationBinding)) as SoapOperationBinding;
+			SoapBindingStyle style = (sob != null) ? sob.Style : SoapBindingStyle.Document;
+			
+			MessageBinding msgbin = (msg is OperationInput) ? (MessageBinding) obin.Input : (MessageBinding)obin.Output;
+			SoapBodyBinding sbb = msgbin.Extensions.Find (typeof(SoapBodyBinding)) as SoapBodyBinding;
+			SoapBindingUse bodyUse = (sbb != null) ? sbb.Use : SoapBindingUse.Literal;
+			
+			StringWriter sw = new StringWriter ();
+			XmlTextWriter xtw = new XmlTextWriter (sw);
+			xtw.Formatting = Formatting.Indented;
+			
+			xtw.WriteStartDocument ();
+			xtw.WriteStartElement ("soap", "Envelope", SoapEnvelopeNamespace);
+			xtw.WriteAttributeString ("xmlns", "xsi", null, XmlSchema.InstanceNamespace);
+			xtw.WriteAttributeString ("xmlns", "xsd", null, XmlSchema.Namespace);
+			
+			if (bodyUse == SoapBindingUse.Encoded) 
+			{
+				xtw.WriteAttributeString ("xmlns", "soapenc", null, SoapEncodingNamespace);
+				xtw.WriteAttributeString ("xmlns", "tns", null, msg.Message.Namespace);
+			}
+
+			// Serialize headers
+			foreach (object ob in msgbin.Extensions)
+			{
+				SoapHeaderBinding hb = ob as SoapHeaderBinding;
+				if (hb == null) continue;
+				
+				xtw.WriteStartElement ("soap", "Header", SoapEnvelopeNamespace);
+				WriteHeader (xtw, hb);
+				xtw.WriteEndElement ();
+			}
+
+			// Serialize body
+			xtw.WriteStartElement ("soap", "Body", SoapEnvelopeNamespace);
+			
+			currentUse = bodyUse;
+			WriteBody (xtw, oper, msg, sbb, style);
+			
+			xtw.WriteEndElement ();
+			xtw.WriteEndElement ();
+			xtw.Close ();
+			return sw.ToString ();
+		}
+		
+		void WriteHeader (XmlTextWriter xtw, SoapHeaderBinding header)
+		{
+			Message msg = descriptions.GetMessage (header.Message);
+			if (msg == null) throw new InvalidOperationException ("Message " + header.Message + " not found");
+			MessagePart part = msg.Parts [header.Part];
+			if (part == null) throw new InvalidOperationException ("Message part " + header.Part + " not found in message " + header.Message);
+
+			currentUse = header.Use;
+			
+			if (currentUse == SoapBindingUse.Literal)
+				WriteRootElementSample (xtw, part.Element);
+			else
+				WriteTypeSample (xtw, part.Type);
+		}
+		
+		void WriteBody (XmlTextWriter xtw, Operation oper, OperationMessage opm, SoapBodyBinding sbb, SoapBindingStyle style)
+		{
+			Message msg = descriptions.GetMessage (opm.Message);
+			if (msg.Parts.Count > 0 && msg.Parts[0].Name == "parameters")
+			{
+				MessagePart part = msg.Parts[0];
+				if (part.Element == XmlQualifiedName.Empty)
+					WriteTypeSample (xtw, part.Type);
+				else
+					WriteRootElementSample (xtw, part.Element);
+			}
+			else
+			{
+				string elemName = oper.Name;
+				string ns = "";
+				if (opm is OperationOutput) elemName += "Response";
+				
+				if (style == SoapBindingStyle.Rpc) {
+					xtw.WriteStartElement (elemName, sbb.Namespace);
+					ns = sbb.Namespace;
+				}
+					
+				foreach (MessagePart part in msg.Parts)
+				{
+					if (part.Element == XmlQualifiedName.Empty)
+					{
+						XmlSchemaElement elem = new XmlSchemaElement ();
+						elem.SchemaTypeName = part.Type;
+						elem.Name = part.Name;
+						WriteElementSample (xtw, ns, elem);
+					}
+					else
+						WriteRootElementSample (xtw, part.Element);
+				}
+				
+				if (style == SoapBindingStyle.Rpc)
+					xtw.WriteEndElement ();
+			}
+			WriteQueuedTypeSamples (xtw);
+		}
+		
+		void WriteRootElementSample (XmlTextWriter xtw, XmlQualifiedName qname)
+		{
+			XmlSchemaElement elem = (XmlSchemaElement) schemas.Find (qname, typeof(XmlSchemaElement));
+			if (elem == null) throw new InvalidOperationException ("Element not found: " + qname);
+			WriteElementSample (xtw, qname.Namespace, elem);
+		}
+		
+		void WriteElementSample (XmlTextWriter xtw, string ns, XmlSchemaElement elem)
+		{
+			bool sharedAnnType = false;
+			XmlQualifiedName root;
+			
+			if (!elem.RefName.IsEmpty) {
+				XmlSchemaElement refElem = FindRefElement (elem);
+				if (refElem == null) throw new InvalidOperationException ("Global element not found: " + elem.RefName);
+				root = elem.RefName;
+				elem = refElem;
+				sharedAnnType = true;
+			}
+			else
+				root = new XmlQualifiedName (elem.Name, ns);
+			
+			if (!elem.SchemaTypeName.IsEmpty)
+			{
+				XmlSchemaComplexType st = FindComplexTyype (elem.SchemaTypeName);
+				if (st != null) 
+					WriteComplexTypeSample (xtw, st, root);
+				else
+				{
+					xtw.WriteStartElement (root.Name, root.Namespace);
+					if (currentUse == SoapBindingUse.Encoded) 
+						xtw.WriteAttributeString ("type", XmlSchema.InstanceNamespace, GetQualifiedNameString (xtw, elem.SchemaTypeName));
+					xtw.WriteString (GetLiteral (FindBuiltInType (elem.SchemaTypeName)));
+					xtw.WriteEndElement ();
+				}
+			}
+			else if (elem.SchemaType == null)
+			{
+				xtw.WriteStartElement ("any");
+				xtw.WriteEndElement ();
+			}
+			else
+				WriteComplexTypeSample (xtw, (XmlSchemaComplexType) elem.SchemaType, root);
+		}
+		
+		void WriteTypeSample (XmlTextWriter xtw, XmlQualifiedName qname)
+		{
+			XmlSchemaComplexType ctype = FindComplexTyype (qname);
+			if (ctype != null) {
+				WriteComplexTypeSample (xtw, ctype, qname);
+				return;
+			}
+			
+			XmlSchemaSimpleType stype = (XmlSchemaSimpleType) schemas.Find (qname, typeof(XmlSchemaSimpleType));
+			if (stype != null) {
+				WriteSimpleTypeSample (xtw, stype);
+				return;
+			}
+			
+			xtw.WriteString (GetLiteral (FindBuiltInType (qname)));
+			throw new InvalidOperationException ("Type not found: " + qname);
+		}
+		
+		void WriteComplexTypeSample (XmlTextWriter xtw, XmlSchemaComplexType stype, XmlQualifiedName rootName)
+		{
+			WriteComplexTypeSample (xtw, stype, rootName, -1);
+		}
+		
+		void WriteComplexTypeSample (XmlTextWriter xtw, XmlSchemaComplexType stype, XmlQualifiedName rootName, int id)
+		{
+			string ns = rootName.Namespace;
+			
+			if (rootName.Name.IndexOf ("[]") != -1) rootName = arrayType;
+			
+			if (currentUse == SoapBindingUse.Encoded) {
+				string pref = xtw.LookupPrefix (rootName.Namespace);
+				if (pref == null) pref = "q1";
+				xtw.WriteStartElement (pref, rootName.Name, rootName.Namespace);
+				ns = "";
+			}
+			else
+				xtw.WriteStartElement (rootName.Name, rootName.Namespace);
+			
+			if (id != -1)
+			{
+				xtw.WriteAttributeString ("id", "id" + id);
+				if (rootName != arrayType)
+					xtw.WriteAttributeString ("type", XmlSchema.InstanceNamespace, GetQualifiedNameString (xtw, rootName));
+			}
+			
+			WriteComplexTypeAttributes (xtw, stype);
+			WriteComplexTypeElements (xtw, ns, stype);
+			
+			xtw.WriteEndElement ();
+		}
+		
+		void WriteComplexTypeAttributes (XmlTextWriter xtw, XmlSchemaComplexType stype)
+		{
+			WriteAttributes (xtw, stype.Attributes, stype.AnyAttribute);
+		}
+		
+		void WriteComplexTypeElements (XmlTextWriter xtw, string ns, XmlSchemaComplexType stype)
+		{
+			if (stype.Particle != null)
+				WriteParticleComplexContent (xtw, ns, stype.Particle);
+			else
+			{
+				if (stype.ContentModel is XmlSchemaSimpleContent)
+					WriteSimpleContent (xtw, (XmlSchemaSimpleContent)stype.ContentModel);
+				else if (stype.ContentModel is XmlSchemaComplexContent)
+					WriteComplexContent (xtw, ns, (XmlSchemaComplexContent)stype.ContentModel);
+			}
+		}
+
+		void WriteAttributes (XmlTextWriter xtw, XmlSchemaObjectCollection atts, XmlSchemaAnyAttribute anyat)
+		{
+			foreach (XmlSchemaObject at in atts)
+			{
+				if (at is XmlSchemaAttribute)
+				{
+					string ns;
+					XmlSchemaAttribute attr = (XmlSchemaAttribute)at;
+					XmlSchemaAttribute refAttr = attr;
+					
+					// refAttr.Form; TODO
+					
+					if (!attr.RefName.IsEmpty) {
+						refAttr = FindRefAttribute (attr.RefName);
+						if (refAttr == null) throw new InvalidOperationException ("Global attribute not found: " + attr.RefName);
+					}
+					
+					string val;
+					if (!attr.SchemaTypeName.IsEmpty) val = FindBuiltInType (attr.SchemaTypeName);
+					else val = FindBuiltInType ((XmlSchemaSimpleType) attr.SchemaType);
+					
+					xtw.WriteAttributeString (refAttr.Name, val);
+				}
+				else if (at is XmlSchemaAttributeGroupRef)
+				{
+					XmlSchemaAttributeGroupRef gref = (XmlSchemaAttributeGroupRef)at;
+					XmlSchemaAttributeGroup grp = (XmlSchemaAttributeGroup) schemas.Find (gref.RefName, typeof(XmlSchemaAttributeGroup));
+					WriteAttributes (xtw, grp.Attributes, grp.AnyAttribute);
+				}
+			}
+			
+			if (anyat != null)
+				xtw.WriteAttributeString ("custom-attribute","value");
+		}
+		
+		void WriteParticleComplexContent (XmlTextWriter xtw, string ns, XmlSchemaParticle particle)
+		{
+			WriteParticleContent (xtw, ns, particle, false);
+		}
+		
+		void WriteParticleContent (XmlTextWriter xtw, string ns, XmlSchemaParticle particle, bool multiValue)
+		{
+			if (particle is XmlSchemaGroupRef)
+				particle = GetRefGroupParticle ((XmlSchemaGroupRef)particle);
+
+			if (particle.MaxOccurs > 1) multiValue = true;
+			
+			if (particle is XmlSchemaSequence) {
+				WriteSequenceContent (xtw, ns, ((XmlSchemaSequence)particle).Items, multiValue);
+			}
+			else if (particle is XmlSchemaChoice) {
+				if (((XmlSchemaChoice)particle).Items.Count == 1)
+					WriteSequenceContent (xtw, ns, ((XmlSchemaChoice)particle).Items, multiValue);
+				else
+					WriteChoiceContent (xtw, ns, (XmlSchemaChoice)particle, multiValue);
+			}
+			else if (particle is XmlSchemaAll) {
+				WriteSequenceContent (xtw, ns, ((XmlSchemaAll)particle).Items, multiValue);
+			}
+		}
+
+		void WriteSequenceContent (XmlTextWriter xtw, string ns, XmlSchemaObjectCollection items, bool multiValue)
+		{
+			foreach (XmlSchemaObject item in items)
+				WriteContentItem (xtw, ns, item, multiValue);
+		}
+		
+		void WriteContentItem (XmlTextWriter xtw, string ns, XmlSchemaObject item, bool multiValue)
+		{
+			if (item is XmlSchemaGroupRef)
+				item = GetRefGroupParticle ((XmlSchemaGroupRef)item);
+					
+			if (item is XmlSchemaElement)
+			{
+				XmlSchemaElement elem = (XmlSchemaElement) item;
+				XmlSchemaElement refElem;
+				if (!elem.RefName.IsEmpty) refElem = FindRefElement (elem);
+				else refElem = elem;
+
+				int num = (elem.MaxOccurs == 1 && !multiValue) ? 1 : 2;
+				for (int n=0; n<num; n++)
+				{
+					if (currentUse == SoapBindingUse.Literal)
+						WriteElementSample (xtw, ns, refElem);
+					else
+						WriteRefTypeSample (xtw, ns, refElem);
+				}
+			}
+			else if (item is XmlSchemaAny)
+			{
+				xtw.WriteStartElement ("any"); xtw.WriteEndElement ();
+				if (multiValue)
+					xtw.WriteStartElement ("any"); xtw.WriteEndElement ();
+			}
+			else if (item is XmlSchemaParticle) {
+				WriteParticleContent (xtw, ns, (XmlSchemaParticle)item, multiValue);
+			}
+		}
+		
+		void WriteChoiceContent (XmlTextWriter xtw, string ns, XmlSchemaChoice choice, bool multiValue)
+		{
+			foreach (XmlSchemaObject item in choice.Items)
+				WriteContentItem (xtw, ns, item, multiValue);
+		}
+
+		void WriteSimpleContent (XmlTextWriter xtw, XmlSchemaSimpleContent content)
+		{
+			XmlSchemaSimpleContentExtension ext = content.Content as XmlSchemaSimpleContentExtension;
+			if (ext != null)
+				WriteAttributes (xtw, ext.Attributes, ext.AnyAttribute);
+				
+			XmlQualifiedName qname = GetContentBaseType (content.Content);
+			xtw.WriteString (GetLiteral (FindBuiltInType (qname)));
+		}
+
+		string FindBuiltInType (XmlQualifiedName qname)
+		{
+			if (qname.Namespace == XmlSchema.Namespace)
+				return qname.Name;
+
+			XmlSchemaComplexType ct = FindComplexTyype (qname);
+			if (ct != null)
+			{
+				XmlSchemaSimpleContent sc = ct.ContentModel as XmlSchemaSimpleContent;
+				if (sc == null) throw new InvalidOperationException ("Invalid schema");
+				return FindBuiltInType (GetContentBaseType (sc.Content));
+			}
+			
+			XmlSchemaSimpleType st = (XmlSchemaSimpleType) schemas.Find (qname, typeof(XmlSchemaSimpleType));
+			if (st != null)
+				return FindBuiltInType (st);
+
+			throw new InvalidOperationException ("Definition of type " + qname + " not found");
+		}
+
+		string FindBuiltInType (XmlSchemaSimpleType st)
+		{
+			if (st.Content is XmlSchemaSimpleTypeRestriction) {
+				return FindBuiltInType (GetContentBaseType (st.Content));
+			}
+			else if (st.Content is XmlSchemaSimpleTypeList) {
+				string s = FindBuiltInType (GetContentBaseType (st.Content));
+				return s + " " + s + " ...";
+			}
+			else if (st.Content is XmlSchemaSimpleTypeUnion)
+			{
+				// Check if all types of the union are equal. If not, then will use anyType.
+				XmlSchemaSimpleTypeUnion uni = (XmlSchemaSimpleTypeUnion) st.Content;
+				string utype = null;
+
+				// Anonymous types are unique
+				if (uni.BaseTypes.Count != 0 && uni.MemberTypes.Length != 0)
+					return "string";
+
+				foreach (XmlQualifiedName mt in uni.MemberTypes)
+				{
+					string qn = FindBuiltInType (mt);
+					if (utype != null && qn != utype) return "string";
+					else utype = qn;
+				}
+				return utype;
+			}
+			else
+				return "string";
+		}
+		
+
+		XmlQualifiedName GetContentBaseType (XmlSchemaObject ob)
+		{
+			if (ob is XmlSchemaSimpleContentExtension)
+				return ((XmlSchemaSimpleContentExtension)ob).BaseTypeName;
+			else if (ob is XmlSchemaSimpleContentRestriction)
+				return ((XmlSchemaSimpleContentRestriction)ob).BaseTypeName;
+			else if (ob is XmlSchemaSimpleTypeRestriction)
+				return ((XmlSchemaSimpleTypeRestriction)ob).BaseTypeName;
+			else if (ob is XmlSchemaSimpleTypeList)
+				return ((XmlSchemaSimpleTypeList)ob).ItemTypeName;
+			else
+				return null;
+		}
+
+		void WriteComplexContent (XmlTextWriter xtw, string ns, XmlSchemaComplexContent content)
+		{
+			XmlQualifiedName qname;
+
+			XmlSchemaComplexContentExtension ext = content.Content as XmlSchemaComplexContentExtension;
+			if (ext != null) qname = ext.BaseTypeName;
+			else {
+				XmlSchemaComplexContentRestriction rest = (XmlSchemaComplexContentRestriction)content.Content;
+				qname = rest.BaseTypeName;
+				if (qname == arrayType) {
+					ParseArrayType (rest, out qname);
+					XmlSchemaElement elem = new XmlSchemaElement ();
+					elem.Name = "Item";
+					elem.SchemaTypeName = qname;
+					
+					xtw.WriteAttributeString ("arrayType", SoapEncodingNamespace, qname.Name + "[2]");
+					WriteContentItem (xtw, ns, elem, true);
+					return;
+				}
+			}
+			
+			// Add base map members to this map
+			XmlSchemaComplexType ctype = FindComplexTyype (qname);
+			WriteComplexTypeAttributes (xtw, ctype);
+			
+			if (ext != null) {
+				// Add the members of this map
+				WriteAttributes (xtw, ext.Attributes, ext.AnyAttribute);
+				if (ext.Particle != null)
+					WriteParticleComplexContent (xtw, ns, ext.Particle);
+			}
+			
+			WriteComplexTypeElements (xtw, ns, ctype);
+		}
+		
+		void ParseArrayType (XmlSchemaComplexContentRestriction rest, out XmlQualifiedName qtype)
+		{
+			XmlSchemaAttribute arrayTypeAt = FindArrayAttribute (rest.Attributes);
+			XmlAttribute[] uatts = arrayTypeAt.UnhandledAttributes;
+			if (uatts == null || uatts.Length == 0) throw new InvalidOperationException ("arrayType attribute not specified in array declaration");
+			
+			XmlAttribute xat = null;
+			foreach (XmlAttribute at in uatts)
+				if (at.LocalName == "arrayType" && at.NamespaceURI == WsdlNamespace)
+					{ xat = at; break; }
+			
+			if (xat == null) 
+				throw new InvalidOperationException ("arrayType attribute not specified in array declaration");
+			
+			string arrayType = xat.Value;
+			string type, ns;
+			int i = arrayType.LastIndexOf (":");
+			if (i == -1) ns = "";
+			else ns = arrayType.Substring (0,i);
+			
+			int j = arrayType.IndexOf ("[", i+1);
+			if (j == -1) throw new InvalidOperationException ("Cannot parse WSDL array type: " + arrayType);
+			type = arrayType.Substring (i+1);
+			type = type.Substring (0, type.Length-2);
+			
+			qtype = new XmlQualifiedName (type, ns);
+		}
+		
+		XmlSchemaAttribute FindArrayAttribute (XmlSchemaObjectCollection atts)
+		{
+			foreach (object ob in atts)
+			{
+				XmlSchemaAttribute att = ob as XmlSchemaAttribute;
+				if (att != null && att.RefName == arrayTypeRefName) return att;
+				
+				XmlSchemaAttributeGroupRef gref = ob as XmlSchemaAttributeGroupRef;
+				if (gref != null)
+				{
+					XmlSchemaAttributeGroup grp = (XmlSchemaAttributeGroup) schemas.Find (gref.RefName, typeof(XmlSchemaAttributeGroup));
+					att = FindArrayAttribute (grp.Attributes);
+					if (att != null) return att;
+				}
+			}
+			return null;
+		}
+		
+		void WriteSimpleTypeSample (XmlTextWriter xtw, XmlSchemaSimpleType stype)
+		{
+			xtw.WriteString (GetLiteral (FindBuiltInType (stype)));
+		}
+		
+		XmlSchemaParticle GetRefGroupParticle (XmlSchemaGroupRef refGroup)
+		{
+			XmlSchemaGroup grp = (XmlSchemaGroup) schemas.Find (refGroup.RefName, typeof (XmlSchemaGroup));
+			return grp.Particle;
+		}
+
+		XmlSchemaElement FindRefElement (XmlSchemaElement elem)
+		{
+			if (elem.RefName.Namespace == XmlSchema.Namespace)
+			{
+				if (anyElement != null) return anyElement;
+				anyElement = new XmlSchemaElement ();
+				anyElement.Name = "any";
+				anyElement.SchemaTypeName = anyType;
+				return anyElement;
+			}
+			return (XmlSchemaElement) schemas.Find (elem.RefName, typeof(XmlSchemaElement));
+		}
+		
+		XmlSchemaAttribute FindRefAttribute (XmlQualifiedName refName)
+		{
+			if (refName.Namespace == XmlSchema.Namespace)
+			{
+				XmlSchemaAttribute at = new XmlSchemaAttribute ();
+				at.Name = refName.Name;
+				at.SchemaTypeName = new XmlQualifiedName ("string",XmlSchema.Namespace);
+				return at;
+			}
+			return (XmlSchemaAttribute) schemas.Find (refName, typeof(XmlSchemaAttribute));
+		}
+		
+		void WriteRefTypeSample (XmlTextWriter xtw, string ns, XmlSchemaElement elem)
+		{
+			if (elem.SchemaTypeName.Namespace == XmlSchema.Namespace || schemas.Find (elem.SchemaTypeName, typeof(XmlSchemaSimpleType)) != null)
+				WriteElementSample (xtw, ns, elem);
+			else
+			{
+				xtw.WriteStartElement (elem.Name, ns);
+				xtw.WriteAttributeString ("href", "#id" + (queue.Count+1));
+				xtw.WriteEndElement ();
+				queue.Add (new EncodedType (ns, elem));
+			}
+		}
+		
+		void WriteQueuedTypeSamples (XmlTextWriter xtw)
+		{
+			for (int n=0; n<queue.Count; n++)
+			{
+				EncodedType ec = (EncodedType) queue[n];
+				XmlSchemaComplexType st = FindComplexTyype (ec.Element.SchemaTypeName);
+				WriteComplexTypeSample (xtw, st, ec.Element.SchemaTypeName, n+1);
+			}
+		}
+		
+		XmlSchemaComplexType FindComplexTyype (XmlQualifiedName qname)
+		{
+			if (qname.Name.IndexOf ("[]") != -1)
+			{
+				XmlSchemaComplexType stype = new XmlSchemaComplexType ();
+				stype.ContentModel = new XmlSchemaComplexContent ();
+				
+				XmlSchemaComplexContentRestriction res = new XmlSchemaComplexContentRestriction ();
+				stype.ContentModel.Content = res;
+				res.BaseTypeName = arrayType;
+				
+				XmlSchemaAttribute att = new XmlSchemaAttribute ();
+				att.RefName = arrayTypeRefName;
+				res.Attributes.Add (att);
+				
+				XmlAttribute xat = document.CreateAttribute ("arrayType", WsdlNamespace);
+				xat.Value = qname.Namespace + ":" + qname.Name;
+				att.UnhandledAttributes = new XmlAttribute[] {xat};
+				return stype;
+			}
+				
+			return (XmlSchemaComplexType) schemas.Find (qname, typeof(XmlSchemaComplexType));
+		}
+		
+		string GetQualifiedNameString (XmlTextWriter xtw, XmlQualifiedName qname)
+		{
+			string pref = xtw.LookupPrefix (qname.Namespace);
+			if (pref != null) return pref + ":" + qname.Name;
+			
+			xtw.WriteAttributeString ("xmlns", "q1", null, qname.Namespace);
+			return "q1:" + qname.Name;
+		}
+				
+		protected virtual string GetLiteral (string s)
+		{
+			return s;
+		}
+
+		void GetOperationFormat (OperationBinding obin, out SoapBindingStyle style, out SoapBindingUse use)
+		{
+			style = SoapBindingStyle.Document;
+			use = SoapBindingUse.Literal;
+			SoapOperationBinding sob = obin.Extensions.Find (typeof(SoapOperationBinding)) as SoapOperationBinding;
+			if (sob != null) {
+				style = sob.Style;
+				SoapBodyBinding sbb = obin.Input.Extensions.Find (typeof(SoapBodyBinding)) as SoapBodyBinding;
+				if (sbb != null)
+					use = sbb.Use;
+			}
+		}
+	}
+
+
+
+
+
 </script>
 
 <head>
+	<link rel="alternate" type="text/xml" href="<%=Request.FilePath%>?disco"/>
+
 	<title><%=WebServiceName%> Web Service</title>
     <style type="text/css">
 		BODY { font-family: Arial; margin-left: 20px; margin-top: 20px; font-size: x-small}
@@ -714,6 +1522,7 @@ class Parameter
 		.code-vb { font-size:10pt; font-family:courier }
 		.tabLabelOn { font-weight:bold }
 		.tabLabelOff {color: darkgray }
+		.literal-placeholder {color: darkblue; font-weight:bold}
 		A:link { color: black; }
 		A:visited { color: black; }
 		A:active { color: black; }
@@ -831,6 +1640,11 @@ function clearForm ()
 		<br>Supported protocols: <%#CurrentOperationProtocols%>
 	<% } %>
 	
+<!--
+	**********************************************************
+	Operation description - Test form
+-->
+
 	<% if (CurrentTab == "test") { 
 		if (CurrentOperationSupportsTest) {%>
 			Enter values for the parameters and click the 'Invoke' button to test this method:<br><br>
@@ -860,8 +1674,42 @@ function clearForm ()
 		The test form is not available for this operation because it has parameters with a complex structure.
 		<% } %>
 	<% } %>
+	
+<!--
+	**********************************************************
+	Operation description - Message Layout
+-->
+
 	<% if (CurrentTab == "msg") { %>
-		TODO
+		
+		The following are sample SOAP requests and responses for each protocol supported by this method:
+			<br/><br/>
+		
+		<% if (IsOperationSupported ("Soap")) { %>
+			<span class="label">Soap</span>
+			<br/><br/>
+			<div class="codePanel"><div class="code-xml"><%#GenerateOperationMessages ("Soap", true)%></div></div>
+			<br/>
+			<div class="codePanel"><div class="code-xml"><%#GenerateOperationMessages ("Soap", false)%></div></div>
+			<br/>
+		<% } %>
+		<% if (IsOperationSupported ("HttpGet")) { %>
+			<span class="label">HTTP Get</span>
+			<br/><br/>
+			<div class="codePanel"><div class="code-xml"><%#GenerateOperationMessages ("HttpGet", true)%></div></div>
+			<br/>
+			<div class="codePanel"><div class="code-xml"><%#GenerateOperationMessages ("HttpGet", false)%></div></div>
+			<br/>
+		<% } %>
+		<% if (IsOperationSupported ("HttpPost")) { %>
+			<span class="label">HTTP Post</span>
+			<br/><br/>
+			<div class="codePanel"><div class="code-xml"><%#GenerateOperationMessages ("HttpPost", true)%></div></div>
+			<br/>
+			<div class="codePanel"><div class="code-xml"><%#GenerateOperationMessages ("HttpPost", false)%></div></div>
+			<br/>
+		<% } %>
+		
 	<% } %>
 <%}%>