protected override CodeTypeDeclaration BeginClass()
{
MethodNames.Clear();
ExtraCodeClasses.Clear();
CodeAttributeDeclarationCollection metadata = new CodeAttributeDeclarationCollection();
if (Style == ServiceDescriptionImportStyle.Client)
{
WebCodeGenerator.AddCustomAttribute(metadata, typeof(DebuggerStepThroughAttribute), new CodeExpression[0]);
WebCodeGenerator.AddCustomAttribute(metadata, typeof(DesignerCategoryAttribute), new CodeExpression[] { new CodePrimitiveExpression("code") });
}
Type[] requiredTypes = new Type[] {
typeof(SoapDocumentMethodAttribute),
typeof(XmlAttributeAttribute),
typeof(WebService),
typeof(Object),
typeof(DebuggerStepThroughAttribute),
typeof(DesignerCategoryAttribute),
typeof(TransactionOption),
};
WebCodeGenerator.AddImports(this.CodeNamespace, WebCodeGenerator.GetNamespacesForTypes(requiredTypes));
CodeFlags flags = 0;
if (Style == ServiceDescriptionImportStyle.Server)
{
flags = CodeFlags.IsAbstract;
}
else if (Style == ServiceDescriptionImportStyle.ServerInterface)
{
flags = CodeFlags.IsInterface;
}
CodeTypeDeclaration codeClass = WebCodeGenerator.CreateClass(this.ClassName, BaseClass.FullName,
new string[0], metadata, CodeFlags.IsPublic | flags,
ServiceImporter.CodeGenerator.Supports(GeneratorSupport.PartialTypes));
codeClass.Comments.Add(new CodeCommentStatement(Res.GetString(Res.CodeRemarks), true));
CodeConstructor ctor = WebCodeGenerator.AddConstructor(codeClass, new string[0], new string[0], null, CodeFlags.IsPublic);
ctor.Comments.Add(new CodeCommentStatement(Res.GetString(Res.CodeRemarks), true));
HttpAddressBinding httpAddressBinding = Port == null ? null : (HttpAddressBinding)Port.Extensions.Find(typeof(HttpAddressBinding));
string url = (httpAddressBinding != null) ? httpAddressBinding.Location : null;
ServiceDescription serviceDescription = Binding.ServiceDescription;
ProtocolImporterUtil.GenerateConstructorStatements(ctor, url, serviceDescription.AppSettingUrlKey, serviceDescription.AppSettingBaseUrl, false);
codeClasses.Add(codeClass);
return(codeClass);
}
CodeMemberMethod GenerateMethod(HttpMethodInfo method)
{
MimeParameterCollection parameters = method.MimeParameters != null ? method.MimeParameters : method.UrlParameters;
string[] parameterTypeNames = new string[parameters.Count];
string[] parameterNames = new string[parameters.Count];
for (int i = 0; i < parameters.Count; i++)
{
MimeParameter param = parameters[i];
parameterNames[i] = param.Name;
parameterTypeNames[i] = param.TypeName;
}
CodeAttributeDeclarationCollection metadata = new CodeAttributeDeclarationCollection();
CodeExpression[] formatterTypes = new CodeExpression[2];
if (method.MimeReturn.ReaderType == null)
{
formatterTypes[0] = new CodeTypeOfExpression(typeof(NopReturnReader).FullName);
}
else
{
formatterTypes[0] = new CodeTypeOfExpression(method.MimeReturn.ReaderType.FullName);
}
if (method.MimeParameters != null)
{
formatterTypes[1] = new CodeTypeOfExpression(method.MimeParameters.WriterType.FullName);
}
else
{
formatterTypes[1] = new CodeTypeOfExpression(typeof(UrlParameterWriter).FullName);
}
WebCodeGenerator.AddCustomAttribute(metadata, typeof(HttpMethodAttribute), formatterTypes, new string[0], new CodeExpression[0]);
CodeMemberMethod mainCodeMethod = WebCodeGenerator.AddMethod(this.CodeTypeDeclaration, method.Name, new CodeFlags[parameterTypeNames.Length], parameterTypeNames, parameterNames,
method.MimeReturn.TypeName, metadata,
CodeFlags.IsPublic | (Style == ServiceDescriptionImportStyle.Client ? 0 : CodeFlags.IsAbstract));
AppendMetadata(method.MimeReturn.Attributes, mainCodeMethod.ReturnTypeCustomAttributes);
mainCodeMethod.Comments.Add(new CodeCommentStatement(Res.GetString(Res.CodeRemarks), true));
for (int i = 0; i < parameters.Count; i++)
{
AppendMetadata(parameters[i].Attributes, mainCodeMethod.Parameters[i].CustomAttributes);
}
if (Style == ServiceDescriptionImportStyle.Client)
{
bool oldAsync = (ServiceImporter.CodeGenerationOptions & CodeGenerationOptions.GenerateOldAsync) != 0;
bool newAsync = (ServiceImporter.CodeGenerationOptions & CodeGenerationOptions.GenerateNewAsync) != 0 &&
ServiceImporter.CodeGenerator.Supports(GeneratorSupport.DeclareEvents) &&
ServiceImporter.CodeGenerator.Supports(GeneratorSupport.DeclareDelegates);
CodeExpression[] invokeParams = new CodeExpression[3];
CreateInvokeParams(invokeParams, method, parameterNames);
CodeMethodInvokeExpression invoke = new CodeMethodInvokeExpression(new CodeThisReferenceExpression(), "Invoke", invokeParams);
if (method.MimeReturn.ReaderType != null)
{
mainCodeMethod.Statements.Add(new CodeMethodReturnStatement(new CodeCastExpression(method.MimeReturn.TypeName, invoke)));
}
else
{
mainCodeMethod.Statements.Add(new CodeExpressionStatement(invoke));
}
metadata = new CodeAttributeDeclarationCollection();
string[] asyncParameterTypeNames = new string[parameterTypeNames.Length + 2];
parameterTypeNames.CopyTo(asyncParameterTypeNames, 0);
asyncParameterTypeNames[parameterTypeNames.Length] = typeof(AsyncCallback).FullName;
asyncParameterTypeNames[parameterTypeNames.Length + 1] = typeof(object).FullName;
string[] asyncParameterNames = new string[parameterNames.Length + 2];
parameterNames.CopyTo(asyncParameterNames, 0);
asyncParameterNames[parameterNames.Length] = "callback";
asyncParameterNames[parameterNames.Length + 1] = "asyncState";
if (oldAsync)
{
CodeMemberMethod beginCodeMethod = WebCodeGenerator.AddMethod(this.CodeTypeDeclaration, "Begin" + method.Name, new CodeFlags[asyncParameterTypeNames.Length],
asyncParameterTypeNames, asyncParameterNames,
typeof(IAsyncResult).FullName, metadata, CodeFlags.IsPublic);
beginCodeMethod.Comments.Add(new CodeCommentStatement(Res.GetString(Res.CodeRemarks), true));
invokeParams = new CodeExpression[5];
CreateInvokeParams(invokeParams, method, parameterNames);
invokeParams[3] = new CodeArgumentReferenceExpression("callback");
invokeParams[4] = new CodeArgumentReferenceExpression("asyncState");
invoke = new CodeMethodInvokeExpression(new CodeThisReferenceExpression(), "BeginInvoke", invokeParams);
beginCodeMethod.Statements.Add(new CodeMethodReturnStatement(invoke));
CodeMemberMethod endCodeMethod = WebCodeGenerator.AddMethod(this.CodeTypeDeclaration, "End" + method.Name, new CodeFlags[1],
new string[] { typeof(IAsyncResult).FullName },
new string[] { "asyncResult" },
method.MimeReturn.TypeName, metadata, CodeFlags.IsPublic);
endCodeMethod.Comments.Add(new CodeCommentStatement(Res.GetString(Res.CodeRemarks), true));
CodeExpression expr = new CodeArgumentReferenceExpression("asyncResult");
invoke = new CodeMethodInvokeExpression(new CodeThisReferenceExpression(), "EndInvoke", new CodeExpression[] { expr });
if (method.MimeReturn.ReaderType != null)
{
endCodeMethod.Statements.Add(new CodeMethodReturnStatement(new CodeCastExpression(method.MimeReturn.TypeName, invoke)));
}
else
{
endCodeMethod.Statements.Add(new CodeExpressionStatement(invoke));
}
}
if (newAsync)
{
metadata = new CodeAttributeDeclarationCollection();
string uniqueMethodName = method.Name;
string methodKey = MethodSignature(uniqueMethodName, method.MimeReturn.TypeName, new CodeFlags[parameterTypeNames.Length], parameterTypeNames);
DelegateInfo delegateInfo = (DelegateInfo)ExportContext[methodKey];
if (delegateInfo == null)
{
string handlerType = ClassNames.AddUnique(uniqueMethodName + "CompletedEventHandler", uniqueMethodName);
string handlerArgs = ClassNames.AddUnique(uniqueMethodName + "CompletedEventArgs", uniqueMethodName);
delegateInfo = new DelegateInfo(handlerType, handlerArgs);
}
string handlerName = MethodNames.AddUnique(uniqueMethodName + "Completed", uniqueMethodName);
string asyncName = MethodNames.AddUnique(uniqueMethodName + "Async", uniqueMethodName);
string callbackMember = MethodNames.AddUnique(uniqueMethodName + "OperationCompleted", uniqueMethodName);
string callbackName = MethodNames.AddUnique("On" + uniqueMethodName + "OperationCompleted", uniqueMethodName);
// public event xxxCompletedEventHandler xxxCompleted;
WebCodeGenerator.AddEvent(this.CodeTypeDeclaration.Members, delegateInfo.handlerType, handlerName);
// private SendOrPostCallback xxxOperationCompleted;
WebCodeGenerator.AddCallbackDeclaration(this.CodeTypeDeclaration.Members, callbackMember);
// create the pair of xxxAsync methods
string userState = UniqueName("userState", parameterNames);
CodeMemberMethod asyncCodeMethod = WebCodeGenerator.AddAsyncMethod(this.CodeTypeDeclaration, asyncName,
parameterTypeNames, parameterNames, callbackMember, callbackName, userState);
// Generate InvokeAsync call
invokeParams = new CodeExpression[5];
CreateInvokeParams(invokeParams, method, parameterNames);
invokeParams[3] = new CodeFieldReferenceExpression(new CodeThisReferenceExpression(), callbackMember);
invokeParams[4] = new CodeArgumentReferenceExpression(userState);
invoke = new CodeMethodInvokeExpression(new CodeThisReferenceExpression(), "InvokeAsync", invokeParams);
asyncCodeMethod.Statements.Add(invoke);
// private void On_xxx_OperationCompleted(object arg) {..}
bool methodHasReturn = method.MimeReturn.ReaderType != null;
WebCodeGenerator.AddCallbackImplementation(this.CodeTypeDeclaration, callbackName, handlerName, delegateInfo.handlerArgs, methodHasReturn);
if (ExportContext[methodKey] == null)
{
// public delegate void xxxCompletedEventHandler(object sender, System.ComponentModel.AsyncCompletedEventArgs args);
WebCodeGenerator.AddDelegate(ExtraCodeClasses, delegateInfo.handlerType, methodHasReturn ? delegateInfo.handlerArgs : typeof(AsyncCompletedEventArgs).FullName);
if (methodHasReturn)
{
ExtraCodeClasses.Add(WebCodeGenerator.CreateArgsClass(delegateInfo.handlerArgs, new string[] { method.MimeReturn.TypeName }, new string[] { "Result" },
ServiceImporter.CodeGenerator.Supports(GeneratorSupport.PartialTypes)));
}
ExportContext[methodKey] = delegateInfo;
}
}
}
return(mainCodeMethod);
}
