DefaultWsdlHelpGenerator.aspx
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Created: Sun, Feb 16, 22:01

DefaultWsdlHelpGenerator.aspx
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	<%--
	//
	// DefaultWsdlHelpGenerator.aspx:
	//
	// Author:
	// Lluis Sanchez Gual (lluis@ximian.com)
	//
	// (C) 2003 Ximian, Inc. http://www.ximian.com
	//
	--%>

	<%@ Import Namespace="System.Collections" %>
	<%@ Import Namespace="System.Collections.Generic" %>
	<%@ Import Namespace="System.IO" %>
	<%@ Import Namespace="System.Xml.Serialization" %>
	<%@ Import Namespace="System.Xml" %>
	<%@ Import Namespace="System.Xml.Schema" %>
	<%@ Import Namespace="System.Web.Services" %>
	<%@ Import Namespace="System.Web.Services.Description" %>
	<%@ Import Namespace="System.Web.Services.Configuration" %>
	<%@ Import Namespace="System.Web.Configuration" %>
	<%@ Import Namespace="System" %>
	<%@ Import Namespace="System.Net" %>
	<%@ Import Namespace="System.Globalization" %>
	<%@ Import Namespace="System.Resources" %>
	<%@ Import Namespace="System.Diagnostics" %>
	<%@ Import Namespace="System.CodeDom" %>
	<%@ Import Namespace="System.CodeDom.Compiler" %>
	<%@ Import Namespace="Microsoft.CSharp" %>
	<%@ Import Namespace="Microsoft.VisualBasic" %>
	<%@ Import Namespace="System.Text" %>
	<%@ Import Namespace="System.Text.RegularExpressions" %>
	<%@ Import Namespace="System.Security.Cryptography.X509Certificates" %>
	<%@ Assembly name="System.Web.Services" %>
	<%@ Page debug="true" %>

	<html>
	<script language="C#" runat="server">

	ServiceDescriptionCollection descriptions;
	XmlSchemas schemas;

	string WebServiceName;
	string WebServiceDescription;
	string PageName;

	string DefaultBinding;
	ArrayList ServiceProtocols;

	string CurrentOperationName;
	string CurrentOperationBinding;
	string OperationDocumentation;
	string CurrentOperationFormat;
	bool CurrentOperationSupportsTest;
	ArrayList InParams;
	ArrayList OutParams;
	string CurrentOperationProtocols;
	int CodeTextColumns = 95;
	BasicProfileViolationCollection ProfileViolations;

	void Page_Load(object sender, EventArgs e)
	{
	descriptions = (ServiceDescriptionCollection) Context.Items["wsdls"];
	schemas = (XmlSchemas) Context.Items["schemas"];

	ServiceDescription desc = descriptions [0];
	if (schemas.Count == 0) schemas = desc.Types.Schemas;

	Service service = desc.Services[0];
	WebServiceName = service.Name;
	if (desc.Bindings.Count == 0)
	return;

	DefaultBinding = desc.Bindings[0].Name;
	WebServiceDescription = service.Documentation;
	if (WebServiceDescription == "" \|\| WebServiceDescription == null)
	WebServiceDescription = "Description has not been provided";
	ServiceProtocols = FindServiceProtocols (null);

	CurrentOperationName = Request.QueryString["op"];
	CurrentOperationBinding = Request.QueryString["bnd"];
	if (CurrentOperationName != null) BuildOperationInfo ();

	PageName = HttpUtility.UrlEncode (Path.GetFileName(Request.Path), Encoding.UTF8);

	ArrayList list = new ArrayList ();
	foreach (ServiceDescription sd in descriptions) {
	foreach (Binding bin in sd.Bindings)
	if (bin.Extensions.Find (typeof(SoapBinding)) != null) list.Add (bin);
	}

	BindingsRepeater.DataSource = list;
	Page.DataBind();

	ProfileViolations = new BasicProfileViolationCollection ();
	foreach (WsiProfilesElement claims in ((WebServicesSection) WebConfigurationManager.GetSection("system.web/webServices")).ConformanceWarnings)
	if (claims.Name != WsiProfiles.None)
	WebServicesInteroperability.CheckConformance (claims.Name, descriptions, ProfileViolations);
	}

	void BuildOperationInfo ()
	{
	InParams = new ArrayList ();
	OutParams = new ArrayList ();

	Port port = FindPort (CurrentOperationBinding, null);
	Binding binding = descriptions.GetBinding (port.Binding);

	PortType portType = descriptions.GetPortType (binding.Type);
	Operation oper = FindOperation (portType, CurrentOperationName);

	OperationDocumentation = oper.Documentation;
	if (OperationDocumentation == null \|\| OperationDocumentation == "")
	OperationDocumentation = "No additional remarks";

	foreach (OperationMessage opm in oper.Messages)
	{
	if (opm is OperationInput)
	BuildParameters (InParams, opm);
	else if (opm is OperationOutput)
	BuildParameters (OutParams, opm);
	}

	// Protocols supported by the operation
	CurrentOperationProtocols = "";
	WebServiceProtocols testProtocols = 0;
	ArrayList prots = FindServiceProtocols (CurrentOperationName);
	for (int n=0; n<prots.Count; n++) {
	string prot = (string) prots [n];
	if (n != 0) CurrentOperationProtocols += ", ";
	CurrentOperationProtocols += prot;
	if (prot == "HttpGet")
	testProtocols \|= WebServiceProtocols.HttpGet;
	else if (prot == "HttpPost") {
	testProtocols \|= WebServiceProtocols.HttpPost;
	if (Context.Request.IsLocal)
	testProtocols \|= WebServiceProtocols.HttpPostLocalhost;
	}
	}
	CurrentOperationSupportsTest = (WebServicesSection.Current.EnabledProtocols & testProtocols) != 0;

	// Operation format
	OperationBinding obin = FindOperation (binding, CurrentOperationName);
	if (obin != null)
	CurrentOperationFormat = GetOperationFormat (obin);

	InputParamsRepeater.DataSource = InParams;
	InputFormParamsRepeater.DataSource = InParams;
	OutputParamsRepeater.DataSource = OutParams;
	}

	void BuildParameters (ArrayList list, OperationMessage opm)
	{
	Message msg = descriptions.GetMessage (opm.Message);
	if (msg.Parts.Count > 0 && msg.Parts[0].Name == "parameters")
	{
	MessagePart part = msg.Parts[0];
	XmlSchemaComplexType ctype;
	if (part.Element == XmlQualifiedName.Empty)
	{
	ctype = (XmlSchemaComplexType) schemas.Find (part.Type, typeof(XmlSchemaComplexType));
	}
	else
	{
	XmlSchemaElement elem = (XmlSchemaElement) schemas.Find (part.Element, typeof(XmlSchemaElement));
	ctype = (XmlSchemaComplexType) elem.SchemaType;
	}
	XmlSchemaSequence seq = ctype.Particle as XmlSchemaSequence;
	if (seq == null) return;

	foreach (XmlSchemaObject ob in seq.Items)
	{
	Parameter p = new Parameter();
	p.Description = "No additional remarks";

	if (ob is XmlSchemaElement)
	{
	XmlSchemaElement selem = GetRefElement ((XmlSchemaElement)ob);
	p.Name = selem.Name;
	p.Type = selem.SchemaTypeName.Name;
	}
	else
	{
	p.Name = "Unknown";
	p.Type = "Unknown";
	}
	list.Add (p);
	}
	}
	else
	{
	foreach (MessagePart part in msg.Parts)
	{
	Parameter p = new Parameter ();
	p.Description = "No additional remarks";
	p.Name = part.Name;
	if (part.Element == XmlQualifiedName.Empty)
	p.Type = part.Type.Name;
	else
	{
	XmlSchemaElement elem = (XmlSchemaElement) schemas.Find (part.Element, typeof(XmlSchemaElement));
	p.Type = elem.SchemaTypeName.Name;
	}
	list.Add (p);
	}
	}
	}

	string GetOperationFormat (OperationBinding obin)
	{
	string format = "";
	SoapOperationBinding sob = obin.Extensions.Find (typeof(SoapOperationBinding)) as SoapOperationBinding;
	if (sob != null) {
	format = sob.Style.ToString ();
	SoapBodyBinding sbb = obin.Input.Extensions.Find (typeof(SoapBodyBinding)) as SoapBodyBinding;
	if (sbb != null)
	format += " / " + sbb.Use;
	}
	return format;
	}

	XmlSchemaElement GetRefElement (XmlSchemaElement elem)
	{
	if (!elem.RefName.IsEmpty)
	return (XmlSchemaElement) schemas.Find (elem.RefName, typeof(XmlSchemaElement));
	else
	return elem;
	}

	ArrayList FindServiceProtocols(string operName)
	{
	ArrayList table = new ArrayList ();
	Service service = descriptions[0].Services[0];
	foreach (Port port in service.Ports)
	{
	string prot = null;
	Binding bin = descriptions.GetBinding (port.Binding);
	if (bin.Extensions.Find (typeof(SoapBinding)) != null)
	prot = "Soap";
	else
	{
	HttpBinding hb = (HttpBinding) bin.Extensions.Find (typeof(HttpBinding));
	if (hb != null && hb.Verb == "POST") prot = "HttpPost";
	else if (hb != null && hb.Verb == "GET") prot = "HttpGet";
	}

	if (prot != null && operName != null)
	{
	if (FindOperation (bin, operName) == null)
	prot = null;
	}

	if (prot != null && !table.Contains (prot))
	table.Add (prot);
	}
	return table;
	}

	Port FindPort (string portName, string protocol)
	{
	Service service = descriptions[0].Services[0];
	foreach (Port port in service.Ports)
	{
	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) {
	if (oper.Messages.Input.Name != null) {
	if (oper.Messages.Input.Name == name) return oper;
	}
	else
	if (oper.Name == name) return oper;
	}

	return null;
	}

	OperationBinding FindOperation (Binding binding, string name)
	{
	foreach (OperationBinding oper in binding.Operations) {
	if (oper.Input.Name != null) {
	if (oper.Input.Name == name) return oper;
	}
	else
	if (oper.Name == name) return oper;
	}

	return null;
	}

	string FormatBindingName (string name)
	{
	if (name == DefaultBinding) return "Methods";
	else return "Methods for binding<br>" + name;
	}

	string GetOpName (object op)
	{
	OperationBinding ob = op as OperationBinding;
	if (ob == null) return "";
	if (ob.Input.Name != null) return ob.Input.Name;
	else return ob.Name;
	}

	bool HasFormResult
	{
	get { return Request.QueryString ["ext"] == "testform"; }
	}

	class NoCheckCertificatePolicy : ICertificatePolicy {
	public bool CheckValidationResult (ServicePoint a, X509Certificate b, WebRequest c, int d)
	{
	return true;
	}
	}

	string GetOrPost ()
	{
	return (CurrentOperationProtocols.IndexOf ("HttpGet") >= 0) ? "GET" : "POST";
	}

	string GetQS ()
	{
	bool fill = false;
	string qs = "";
	NameValueCollection query_string = Request.QueryString;
	for (int n = 0; n < query_string.Count; n++) {
	if (fill) {
	if (qs != "") qs += "&";
	qs += query_string.GetKey(n) + "=" + Server.UrlEncode (query_string [n]);
	}
	if (query_string.GetKey(n) == "ext") fill = true;
	}

	return qs;
	}

	string GetTestResultUrl ()
	{
	if (!HasFormResult) return "";

	string location = null;
	ServiceDescription desc = descriptions [0];
	Service service = desc.Services[0];
	foreach (Port port in service.Ports)
	if (port.Name == CurrentOperationBinding)
	{
	SoapAddressBinding sbi = (SoapAddressBinding) port.Extensions.Find (typeof(SoapAddressBinding));
	if (sbi != null)
	location = sbi.Location;
	}

	if (location == null)
	return "Could not locate web service";

	return location + "/" + CurrentOperationName;
	}

	string GenerateOperationMessages (string protocol, bool generateInput)
	{
	if (!IsOperationSupported (protocol)) 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
	//

	string GetProxyCode ()
	{
	CodeNamespace codeNamespace = new CodeNamespace();
	CodeCompileUnit codeUnit = new CodeCompileUnit();

	codeUnit.Namespaces.Add (codeNamespace);

	ServiceDescriptionImporter importer = new ServiceDescriptionImporter();

	foreach (ServiceDescription sd in descriptions)
	importer.AddServiceDescription(sd, null, null);

	foreach (XmlSchema sc in schemas)
	importer.Schemas.Add (sc);

	importer.Import(codeNamespace, codeUnit);

	string langId = Request.QueryString ["lang"];
	if (langId == null \|\| langId == "") langId = "cs";
	CodeDomProvider provider = GetProvider (langId);
	ICodeGenerator generator = provider.CreateGenerator();
	CodeGeneratorOptions options = new CodeGeneratorOptions();

	StringWriter sw = new StringWriter ();
	generator.GenerateCodeFromCompileUnit(codeUnit, sw, options);

	return Colorize (WrapText (sw.ToString (), CodeTextColumns), langId);
	}

	public string CurrentLanguage
	{
	get {
	string langId = Request.QueryString ["lang"];
	if (langId == null \|\| langId == "") langId = "cs";
	return langId;
	}
	}

	public string CurrentProxytName
	{
	get {
	string lan = CurrentLanguage == "cs" ? "C#" : "Visual Basic";
	return lan + " Client Proxy";
	}
	}

	private CodeDomProvider GetProvider(string langId)
	{
	switch (langId.ToUpper())
	{
	case "CS": return new CSharpCodeProvider();
	case "VB": return new VBCodeProvider();
	default: return null;
	}
	}

	//
	// Document generation
	//

	string GenerateDocument ()
	{
	StringWriter sw = new StringWriter ();

	if (CurrentDocType == "wsdl")
	descriptions [CurrentDocInd].Write (sw);
	else if (CurrentDocType == "schema")
	schemas [CurrentDocInd].Write (sw);

	return Colorize (WrapText (sw.ToString (), CodeTextColumns), "xml");
	}

	public string CurrentDocType
	{
	get { return Request.QueryString ["doctype"] != null ? Request.QueryString ["doctype"] : "wsdl"; }
	}

	public int CurrentDocInd
	{
	get { return Request.QueryString ["docind"] != null ? int.Parse (Request.QueryString ["docind"]) : 0; }
	}

	public string CurrentDocumentName
	{
	get {
	if (CurrentDocType == "wsdl")
	return "WSDL document for namespace \"" + descriptions [CurrentDocInd].TargetNamespace + "\"";
	else
	return "Xml Schema for namespace \"" + schemas [CurrentDocInd].TargetNamespace + "\"";
	}
	}

	//
	// Pages and tabs
	//

	bool firstTab = true;
	ArrayList disabledTabs = new ArrayList ();

	string CurrentTab
	{
	get { return Request.QueryString["tab"] != null ? Request.QueryString["tab"] : "main" ; }
	}

	string CurrentPage
	{
	get { return Request.QueryString["page"] != null ? Request.QueryString["page"] : "main" ; }
	}

	void WriteTabs ()
	{
	if (CurrentOperationName != null)
	{
	WriteTab ("main","Overview");
	WriteTab ("test","Test Form");
	WriteTab ("msg","Message Layout");
	}
	}

	void WriteTab (string id, string label)
	{
	if (!firstTab) Response.Write(" \| ");
	firstTab = false;

	string cname = CurrentTab == id ? "tabLabelOn" : "tabLabelOff";
	Response.Write ("<a href='" + PageName + "?" + GetPageContext(null) + GetDataContext() + "tab=" + id + "' style='text-decoration:none'>");
	Response.Write ("<span class='" + cname + "'>" + label + "</span>");
	Response.Write ("</a>");
	}

	string GetTabContext (string pag, string tab)
	{
	if (tab == null) tab = CurrentTab;
	if (pag == null) pag = CurrentPage;
	if (pag != CurrentPage) tab = "main";
	return "page=" + pag + "&tab=" + tab + "&";
	}

	string GetPageContext (string pag)
	{
	if (pag == null) pag = CurrentPage;
	return "page=" + pag + "&";
	}

	class Tab
	{
	public string Id;
	public string Label;
	}

	//
	// Syntax coloring
	//

	static string keywords_cs =
	"(\\babstract\\b\|\\bevent\\b\|\\bnew\\b\|\\bstruct\\b\|\\bas\\b\|\\bexplicit\\b\|\\bnull\\b\|\\bswitch\\b\|\\bbase\\b\|\\bextern\\b\|" +
	"\\bobject\\b\|\\bthis\\b\|\\bbool\\b\|\\bfalse\\b\|\\boperator\\b\|\\bthrow\\b\|\\bbreak\\b\|\\bfinally\\b\|\\bout\\b\|\\btrue\\b\|" +
	"\\bbyte\\b\|\\bfixed\\b\|\\boverride\\b\|\\btry\\b\|\\bcase\\b\|\\bfloat\\b\|\\bparams\\b\|\\btypeof\\b\|\\bcatch\\b\|\\bfor\\b\|" +
	"\\bprivate\\b\|\\buint\\b\|\\bchar\\b\|\\bforeach\\b\|\\bprotected\\b\|\\bulong\\b\|\\bchecked\\b\|\\bgoto\\b\|\\bpublic\\b\|" +
	"\\bunchecked\\b\|\\bclass\\b\|\\bif\\b\|\\breadonly\\b\|\\bunsafe\\b\|\\bconst\\b\|\\bimplicit\\b\|\\bref\\b\|\\bushort\\b\|" +
	"\\bcontinue\\b\|\\bin\\b\|\\breturn\\b\|\\busing\\b\|\\bdecimal\\b\|\\bint\\b\|\\bsbyte\\b\|\\bvirtual\\b\|\\bdefault\\b\|" +
	"\\binterface\\b\|\\bsealed\\b\|\\bvolatile\\b\|\\bdelegate\\b\|\\binternal\\b\|\\bshort\\b\|\\bvoid\\b\|\\bdo\\b\|\\bis\\b\|" +
	"\\bsizeof\\b\|\\bwhile\\b\|\\bdouble\\b\|\\block\\b\|\\bstackalloc\\b\|\\belse\\b\|\\blong\\b\|\\bstatic\\b\|\\benum\\b\|" +
	"\\bnamespace\\b\|\\bstring\\b)";

	static string keywords_vb =
	"(\\bAddHandler\\b\|\\bAddressOf\\b\|\\bAlias\\b\|\\bAnd\\b\|\\bAndAlso\\b\|\\bAnsi\\b\|\\bAs\\b\|\\bAssembly\\b\|" +
	"\\bAuto\\b\|\\bBoolean\\b\|\\bByRef\\b\|\\bByte\\b\|\\bByVal\\b\|\\bCall\\b\|\\bCase\\b\|\\bCatch\\b\|" +
	"\\bCBool\\b\|\\bCByte\\b\|\\bCChar\\b\|\\bCDate\\b\|\\bCDec\\b\|\\bCDbl\\b\|\\bChar\\b\|\\bCInt\\b\|" +
	"\\bClass\\b\|\\bCLng\\b\|\\bCObj\\b\|\\bConst\\b\|\\bCShort\\b\|\\bCSng\\b\|\\bCStr\\b\|\\bCType\\b\|" +
	"\\bDate\\b\|\\bDecimal\\b\|\\bDeclare\\b\|\\bDefault\\b\|\\bDelegate\\b\|\\bDim\\b\|\\bDirectCast\\b\|\\bDo\\b\|" +
	"\\bDouble\\b\|\\bEach\\b\|\\bElse\\b\|\\bElseIf\\b\|\\bEnd\\b\|\\bEnum\\b\|\\bErase\\b\|\\bError\\b\|" +
	"\\bEvent\\b\|\\bExit\\b\|\\bFalse\\b\|\\bFinally\\b\|\\bFor\\b\|\\bFriend\\b\|\\bFunction\\b\|\\bGet\\b\|" +
	"\\bGetType\\b\|\\bGoSub\\b\|\\bGoTo\\b\|\\bHandles\\b\|\\bIf\\b\|\\bImplements\\b\|\\bImports\\b\|\\bIn\\b\|" +
	"\\bInherits\\b\|\\bInteger\\b\|\\bInterface\\b\|\\bIs\\b\|\\bLet\\b\|\\bLib\\b\|\\bLike\\b\|\\bLong\\b\|" +
	"\\bLoop\\b\|\\bMe\\b\|\\bMod\\b\|\\bModule\\b\|\\bMustInherit\\b\|\\bMustOverride\\b\|\\bMyBase\\b\|\\bMyClass\\b\|" +
	"\\bNamespace\\b\|\\bNew\\b\|\\bNext\\b\|\\bNot\\b\|\\bNothing\\b\|\\bNotInheritable\\b\|\\bNotOverridable\\b\|\\bObject\\b\|" +
	"\\bOn\\b\|\\bOption\\b\|\\bOptional\\b\|\\bOr\\b\|\\bOrElse\\b\|\\bOverloads\\b\|\\bOverridable\\b\|\\bOverrides\\b\|" +
	"\\bParamArray\\b\|\\bPreserve\\b\|\\bPrivate\\b\|\\bProperty\\b\|\\bProtected\\b\|\\bPublic\\b\|\\bRaiseEvent\\b\|\\bReadOnly\\b\|" +
	"\\bReDim\\b\|\\bREM\\b\|\\bRemoveHandler\\b\|\\bResume\\b\|\\bReturn\\b\|\\bSelect\\b\|\\bSet\\b\|\\bShadows\\b\|" +
	"\\bShared\\b\|\\bShort\\b\|\\bSingle\\b\|\\bStatic\\b\|\\bStep\\b\|\\bStop\\b\|\\bString\\b\|\\bStructure\\b\|" +
	"\\bSub\\b\|\\bSyncLock\\b\|\\bThen\\b\|\\bThrow\\b\|\\bTo\\b\|\\bTrue\\b\|\\bTry\\b\|\\bTypeOf\\b\|" +
	"\\bUnicode\\b\|\\bUntil\\b\|\\bVariant\\b\|\\bWhen\\b\|\\bWhile\\b\|\\bWith\\b\|\\bWithEvents\\b\|\\bWriteOnly\\b\|\\bXor\\b)";

	string Colorize (string text, string lang)
	{
	if (lang == "xml") return ColorizeXml (text);
	else if (lang == "cs") return ColorizeCs (text);
	else if (lang == "vb") return ColorizeVb (text);
	else return text;
	}

	string ColorizeXml (string text)
	{
	text = text.Replace (" ", " ");
	Regex re = new Regex ("\r\n\|\r\|\n");
	text = re.Replace (text, "_br_");

	re = new Regex ("<\\s(\\/?)\\s([\\s\\S]?)\\s(\\/?)\\s*>");
	text = re.Replace (text,"{blue:<$1}{maroon:$2}{blue:$3>}");

	re = new Regex ("\\{(\\w):([\\s\\S]?)\\}");
	text = re.Replace (text,"<span style='color:$1'>$2</span>");

	re = new Regex ("\"(.*?)\"");
	text = re.Replace (text,"\"<span style='color:purple'>$1</span>\"");


	text = text.Replace ("\t", "     ");
	text = text.Replace ("_br_", "<br>");
	return text;
	}

	string ColorizeCs (string text)
	{
	text = text.Replace (" ", " ");

	text = text.Replace ("<", "<");
	text = text.Replace (">", ">");

	Regex re = new Regex ("\"((((?!\").)\|\\\")*?)\"");
	text = re.Replace (text,"<span style='color:purple'>\"$1\"</span>");

	re = new Regex ("//(((.(?!\"</span>))\|\"(((?!\").))\"</span>))(\r\|\n\|\r\n)");
	text = re.Replace (text,"<span style='color:green'>//$1</span><br/>");

	re = new Regex (keywords_cs);
	text = re.Replace (text,"<span style='color:blue'>$1</span>");

	text = text.Replace ("\t","     ");
	text = text.Replace ("\n","<br/>");

	return text;
	}

	string ColorizeVb (string text)
	{
	text = text.Replace (" ", " ");

	/* Regex re = new Regex ("\"((((?!\").)\|\\\")*?)\"");
	text = re.Replace (text,"<span style='color:purple'>\"$1\"</span>");

	re = new Regex ("'(((.(?!\"\\<\\/span\\>))\|\"(((?!\").))\"\\<\\/span\\>))(\r\|\n\|\r\n)");
	text = re.Replace (text,"<span style='color:green'>//$1</span><br/>");

	re = new Regex (keywords_vb);
	text = re.Replace (text,"<span style='color:blue'>$1</span>");
	*/
	text = text.Replace ("\t","     ");
	text = text.Replace ("\n","<br/>");
	return text;
	}

	//
	// Helper methods and classes
	//

	string GetDataContext ()
	{
	return "op=" + CurrentOperationName + "&bnd=" + CurrentOperationBinding + "&";
	}

	string GetOptionSel (string v1, string v2)
	{
	string op = "<option ";
	if (v1 == v2) op += "selected ";
	return op + "value='" + v1 + "'>";
	}

	string WrapText (string text, int maxChars)
	{
	text = text.Replace(" />","/>");

	string linspace = null;
	int lincount = 0;
	int breakpos = 0;
	int linstart = 0;
	bool inquotes = false;
	char lastc = ' ';
	string sublineIndent = "";
	System.Text.StringBuilder sb = new System.Text.StringBuilder ();
	for (int n=0; n<text.Length; n++)
	{
	char c = text [n];

	if (c=='\r' \|\| c=='\n' \|\| n==text.Length-1)
	{
	sb.Append (linspace + sublineIndent + text.Substring (linstart, n-linstart+1));
	linspace = null;
	lincount = 0;
	linstart = n+1;
	breakpos = linstart;
	sublineIndent = "";
	lastc = c;
	continue;
	}

	if (lastc==',' \|\| lastc=='(')
	{
	if (!inquotes) breakpos = n;
	}

	if (lincount > maxChars && breakpos >= linstart)
	{
	if (linspace != null)
	sb.Append (linspace + sublineIndent);
	sb.Append (text.Substring (linstart, breakpos-linstart));
	sb.Append ("\n");
	sublineIndent = " ";
	lincount = linspace.Length + sublineIndent.Length + (n-breakpos);
	linstart = breakpos;
	}

	if (c==' ' \|\| c=='\t')
	{
	if (!inquotes)
	breakpos = n;
	}
	else if (c=='"')
	{
	inquotes = !inquotes;
	}
	else
	if (linspace == null) {
	linspace = text.Substring (linstart, n-linstart);
	linstart = n;
	}

	lincount++;
	lastc = c;
	}
	return sb.ToString ();
	}

	class Parameter
	{
	string name;
	string type;
	string description;

	public string Name { get { return name; } set { name = value; } }
	public string Type { get { return type; } set { type = value; } }
	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

	bool writtenHeader = false;
	foreach (object ob in msgbin.Extensions)
	{
	SoapHeaderBinding hb = ob as SoapHeaderBinding;
	if (hb == null) continue;

	if (!writtenHeader) {
	xtw.WriteStartElement ("soap", "Header", SoapEnvelopeNamespace);
	writtenHeader = true;
	}

	WriteHeader (xtw, hb);
	}

	if (writtenHeader)
	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);
	}

	Dictionary<XmlSchemaComplexType,int> recursed_types = new Dictionary<XmlSchemaComplexType,int> ();
	void WriteComplexTypeElements (XmlTextWriter xtw, string ns, XmlSchemaComplexType stype)
	{
	int prev = 0;
	if (recursed_types.ContainsKey (stype))
	prev = recursed_types [stype];

	if (prev > 1)
	return;
	recursed_types [stype] = ++prev;

	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);
	}
	prev = recursed_types [stype];
	recursed_types [stype] = --prev;
	}

	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 (!refAttr.SchemaTypeName.IsEmpty) val = FindBuiltInType (refAttr.SchemaTypeName);
	else val = FindBuiltInType ((XmlSchemaSimpleType) refAttr.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.WriteString (GetLiteral ("xml"));
	}
	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 runat="server">
	<%
	Response.Write ("<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}
	TABLE { font-size: x-small }
	.title { color:dimgray; font-family: Arial; font-size:20pt; font-weight:900}
	.operationTitle { color:dimgray; font-family: Arial; font-size:15pt; font-weight:900}
	.method { font-size: x-small }
	.bindingLabel { font-size: x-small; font-weight:bold; color:darkgray; line-height:8pt; display:block; margin-bottom:3px }
	.label { font-size: small; font-weight:bold; color:darkgray }
	.paramTable { font-size: x-small }
	.paramTable TR { background-color: gainsboro }
	.paramFormTable { font-size: x-small; padding: 10px; background-color: gainsboro }
	.paramFormTable TR { background-color: gainsboro }
	.paramInput { border: solid 1px gray }
	.button {border: solid 1px gray }
	.smallSeparator { height:3px; overflow:hidden }
	.panel { background-color:whitesmoke; border: solid 1px silver; border-top: solid 1px silver }
	.codePanel { background-color: white; font-size:x-small; padding:7px; border:solid 1px silver}
	.code-xml { font-size:10pt; font-family:courier }
	.code-cs { font-size:10pt; font-family:courier }
	.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; }
	A:hover { color: blue }
	</style>

	<script language="javascript" type="text/javascript">
	var req;
	function getXML (command, url, qs) {
	if (url == "" \|\| url.substring (0, 4) != "http")
	return;

	var post_data = null;
	req = getReq ();
	req.onreadystatechange = stateChange;
	if (command == "GET") {
	url = url + "?" + qs;
	} else {
	post_data = qs;
	}
	req.open (command, url, true);
	if (command == "POST")
	req.setRequestHeader ("Content-Type", "application/x-www-form-urlencoded");
	req.send (post_data);
	}

	function stateChange () {
	if (req.readyState == 4) {
	var node = document.getElementById("testresult_div");
	var text = "";
	if (req.status == 200) {
	node.innerHTML = "<div class='code-xml'>" + formatXml (req.responseText) + "</div>";
	} else {
	var ht = "<b style='color: red'>" + formatXml (req.status + " - " + req.statusText) + "</b>";
	if (req.responseText != "")
	ht = ht + "\n<div class='code-xml'>" + formatXml (req.responseText) + "</div>";
	node.innerHTML = ht;

	}
	}
	}

	function formatXml (text)
	{
	var re = / /g;
	text = text.replace (re, " ");

	re = /\t/g;
	text = text.replace (re, "     ");

	re = /\<\s(\/?)\s(.?)\s(\/?)\s*\>/g;
	text = text.replace (re,"{blue:<$1}{maroon:$2}{blue:$3>}");

	re = /{(\w):(.?)}/g;
	text = text.replace (re,"<span style='color:$1'>$2</span>");

	re = /"(.*?)"/g;
	text = text.replace (re,"\"<span style='color:purple'>$1</span>\"");

	re = /\r\n\|\r\|\n/g;
	text = text.replace (re, "<br/>");

	return text;
	}

	function getReq () {
	if (window.XMLHttpRequest) {
	return new XMLHttpRequest(); // Firefox, Safari, ...
	} else if (window.ActiveXObject) {
	return new ActiveXObject("Microsoft.XMLHTTP");
	}
	}

	function clearForm ()
	{
	document.getElementById("testFormResult").style.display="none";
	}
	</script>

	</head>

	<body>
	<div class="title" style="margin-left:20px">
	<span class="label">Web Service</span><br>
	<%=WebServiceName%>
	</div>

	<!--
	**********************************************************
	Left panel
	-->

	<table border="0" width="100%" cellpadding="15px" cellspacing="15px">
	<tr valign="top"><td width="150px" class="panel">
	<div style="width:150px"></div>
	<a class="method" href='<%=PageName%>'>Overview</a><br>
	<div class="smallSeparator"></div>
	<a class="method" href='<%=PageName + "?" + GetPageContext("wsdl")%>'>Service Description</a>
	<div class="smallSeparator"></div>
	<a class="method" href='<%=PageName + "?" + GetPageContext("proxy")%>'>Client proxy</a>
	<br><br>
	<asp:repeater id="BindingsRepeater" runat=server>
	<itemtemplate name="itemtemplate">
	<span class="bindingLabel"><%#FormatBindingName(DataBinder.Eval(Container.DataItem, "Name").ToString())%></span>
	<asp:repeater id="OperationsRepeater" runat=server datasource='<%# ((Binding)Container.DataItem).Operations %>'>
	<itemtemplate>
	<a class="method" href="<%=PageName%>?<%=GetTabContext("op",null)%>op=<%#GetOpName(Container.DataItem)%>&bnd=<%#DataBinder.Eval(Container.DataItem, "Binding.Name")%>"><%#GetOpName(Container.DataItem)%></a>
	<div class="smallSeparator"></div>
	</itemtemplate>
	</asp:repeater>
	<br>
	</itemtemplate>
	</asp:repeater>

	</td><td class="panel">

	<% if (CurrentPage == "main") {%>

	<!--
	**********************************************************
	Web service overview
	-->

	<p class="label">Web Service Overview</p>
	<%=WebServiceDescription%>
	<br/><br/>
	<% if (ProfileViolations != null && ProfileViolations.Count > 0) { %>
	<p class="label">Basic Profile Conformance</p>
	This web service does not conform to WS-I Basic Profile v1.1
	<%
	Response.Write ("<ul>");
	foreach (BasicProfileViolation vio in ProfileViolations) {
	Response.Write ("<li><b>" + vio.NormativeStatement + "</b>: " + vio.Details);
	Response.Write ("<ul>");
	foreach (string ele in vio.Elements)
	Response.Write ("<li>" + ele + "</li>");
	Response.Write ("</ul>");
	Response.Write ("</li>");
	}
	Response.Write ("</ul>");
	}%>

	<%} if (DefaultBinding == null) {%>
	This service does not contain any public web method.
	<%} else if (CurrentPage == "op") {%>

	<!--
	**********************************************************
	Operation description
	-->

	<span class="operationTitle"><%=CurrentOperationName%></span>
	<br><br>
	<% WriteTabs (); %>
	<br><br><br>

	<% if (CurrentTab == "main") { %>
	<span class="label">Input Parameters</span>
	<div class="smallSeparator"></div>
	<% if (InParams.Count == 0) { %>
	No input parameters<br>
	<% } else { %>
	<table class="paramTable" cellspacing="1" cellpadding="5">
	<asp:repeater id="InputParamsRepeater" runat=server>
	<itemtemplate>
	<tr>
	<td width="150"><%#DataBinder.Eval(Container.DataItem, "Name")%></td>
	<td width="150"><%#DataBinder.Eval(Container.DataItem, "Type")%></td>
	</tr>
	</itemtemplate>
	</asp:repeater>
	</table>
	<% } %>
	<br>

	<% if (OutParams.Count > 0) { %>
	<span class="label">Output Parameters</span>
	<div class="smallSeparator"></div>
	<table class="paramTable" cellspacing="1" cellpadding="5">
	<asp:repeater id="OutputParamsRepeater" runat=server>
	<itemtemplate>
	<tr>
	<td width="150"><%#DataBinder.Eval(Container.DataItem, "Name")%></td>
	<td width="150"><%#DataBinder.Eval(Container.DataItem, "Type")%></td>
	</tr>
	</itemtemplate>
	</asp:repeater>
	</table>
	<br>
	<% } %>

	<span class="label">Remarks</span>
	<div class="smallSeparator"></div>
	<%=OperationDocumentation%>
	<br><br>
	<span class="label">Technical information</span>
	<div class="smallSeparator"></div>
	Format: <%=CurrentOperationFormat%>
	<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>
	<form action="<%=PageName%>" method="GET">
	<input type="hidden" name="page" value="<%=CurrentPage%>">
	<input type="hidden" name="tab" value="<%=CurrentTab%>">
	<input type="hidden" name="op" value="<%=CurrentOperationName%>">
	<input type="hidden" name="bnd" value="<%=CurrentOperationBinding%>">
	<input type="hidden" name="ext" value="testform">
	<table class="paramFormTable" cellspacing="0" cellpadding="3">
	<asp:repeater id="InputFormParamsRepeater" runat=server>
	<itemtemplate>
	<tr>
	<td><%#DataBinder.Eval(Container.DataItem, "Name")%>: </td>
	<td width="150"><input class="paramInput" type="text" size="20" name="<%#DataBinder.Eval(Container.DataItem, "Name")%>"></td>
	</tr>
	</itemtemplate>
	</asp:repeater>
	<tr><td></td><td><input class="button" type="submit" value="Invoke"> <input class="button" type="button" onclick="clearForm()" value="Clear"></td></tr>
	</table>
	</form>
	<div id="testFormResult" style="display:<%= (HasFormResult?"block":"none") %>">
	The web service returned the following result:<br/><br/>
	<div class="codePanel" id="testresult_div">
	</div>
	<script language="javascript">
	getXML ("<%= GetOrPost () %>", "<%= GetTestResultUrl () %>", "<%= GetQS () %>");
	</script>
	</div>
	<% } else {%>
	The test form is not available for this operation because it has parameters with a complex structure.
	<% } %>
	<% } %>

	<!--
	**********************************************************
	Operation description - Message Layout
	-->

	<% if (CurrentTab == "msg") { %>

	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/>
	<% } %>

	<% } %>
	<%} else if (CurrentPage == "proxy") {%>
	<!--
	**********************************************************
	Client Proxy
	-->
	<form action="<%=PageName%>" name="langForm" method="GET">
	Select the language for which you want to generate a proxy
	<input type="hidden" name="page" value="<%=CurrentPage%>">
	<SELECT name="lang" onchange="langForm.submit()">
	<%=GetOptionSel("cs",CurrentLanguage)%>C#</option>
	<%=GetOptionSel("vb",CurrentLanguage)%>Visual Basic</option>
	</SELECT>

	</form>
	<br>
	<span class="label"><%=CurrentProxytName%></span>
	<a href="<%=PageName + "?code=" + CurrentLanguage%>">Download</a>
	<br><br>
	<div class="codePanel">
	<div class="code-<%=CurrentLanguage%>"><%=GetProxyCode ()%></div>
	</div>
	<%} else if (CurrentPage == "wsdl") {%>
	<!--
	**********************************************************
	Service description
	-->
	<% if (descriptions.Count > 1 \|\| schemas.Count > 1) {%>
	The description of this web service is composed by several documents. Click on the document you want to see:

	<ul>
	<%
	for (int n=0; n<descriptions.Count; n++)
	Response.Write ("<li><a href='" + PageName + "?" + GetPageContext(null) + "doctype=wsdl&docind=" + n + "'>WSDL document " + descriptions[n].TargetNamespace + "</a></li>");
	for (int n=0; n<schemas.Count; n++)
	Response.Write ("<li><a href='" + PageName + "?" + GetPageContext(null) + "doctype=schema&docind=" + n + "'>Xml Schema " + schemas[n].TargetNamespace + "</a></li>");
	%>
	</ul>

	<%} else {%>
	<%}%>
	<br>
	<span class="label"><%=CurrentDocumentName%></span>
	<a href="<%=PageName + "?" + CurrentDocType + "=" + CurrentDocInd %>">Download</a>
	<br><br>
	<div class="codePanel">
	<div class="code-xml"><%=GenerateDocument ()%></div>
	</div>

	<%}%>

	<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>
	</td>
	<td width="20px"></td>
	</tr>

	</table>
	</body>
	</html>

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