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931 lines
34 KiB
C#
931 lines
34 KiB
C#
//
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// ServiceContractGenerator.cs
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//
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// Author:
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// Atsushi Enomoto <atsushi@ximian.com>
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//
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// Copyright (C) 2005 Novell, Inc. http://www.novell.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.CodeDom;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.ComponentModel;
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using System.Configuration;
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using System.Linq;
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using System.Reflection;
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using System.Runtime.Serialization;
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using System.ServiceModel;
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using System.ServiceModel.Channels;
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using System.ServiceModel.Configuration;
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using System.Threading;
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using System.Xml.Schema;
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using System.Xml.Serialization;
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using ConfigurationType = System.Configuration.Configuration;
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using QName = System.Xml.XmlQualifiedName;
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using OPair = System.Collections.Generic.KeyValuePair<System.ServiceModel.Description.IOperationContractGenerationExtension,System.ServiceModel.Description.OperationContractGenerationContext>;
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namespace System.ServiceModel.Description
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{
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public class ServiceContractGenerator
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{
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CodeCompileUnit ccu;
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ConfigurationType config;
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CodeIdentifiers identifiers = new CodeIdentifiers ();
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Collection<MetadataConversionError> errors
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= new Collection<MetadataConversionError> ();
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Dictionary<string,string> nsmappings
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= new Dictionary<string,string> ();
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Dictionary<ContractDescription,Type> referenced_types
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= new Dictionary<ContractDescription,Type> ();
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Dictionary<ContractDescription,ContractCacheEntry> generated_contracts
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= new Dictionary<ContractDescription,ContractCacheEntry> ();
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ServiceContractGenerationOptions options;
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Dictionary<QName, QName> imported_names
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= new Dictionary<QName, QName> ();
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ServiceContractGenerationContext contract_context;
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List<OPair> operation_contexts = new List<OPair> ();
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XsdDataContractImporter data_contract_importer;
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XmlSerializerMessageContractImporterInternal xml_serialization_importer;
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class ContractCacheEntry {
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public ContractDescription Contract {
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get;
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private set;
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}
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public string ConfigurationName {
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get;
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private set;
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}
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public CodeTypeDeclaration TypeDeclaration {
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get;
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private set;
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}
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public bool GeneratedContractType {
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get; set;
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}
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public CodeTypeReference GetReference ()
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{
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return reference;
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}
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public ContractCacheEntry (ContractDescription cd, string config,
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CodeTypeDeclaration tdecl)
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{
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Contract = cd;
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ConfigurationName = config;
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TypeDeclaration = tdecl;
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reference = new CodeTypeReference (tdecl.Name);
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}
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readonly CodeTypeReference reference;
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}
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public ServiceContractGenerator ()
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: this (null, null)
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{
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}
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public ServiceContractGenerator (CodeCompileUnit targetCompileUnit)
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: this (targetCompileUnit, null)
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{
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}
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public ServiceContractGenerator (ConfigurationType targetConfig)
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: this (null, targetConfig)
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{
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}
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public ServiceContractGenerator (CodeCompileUnit targetCompileUnit, ConfigurationType targetConfig)
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{
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if (targetCompileUnit == null)
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this.ccu = new CodeCompileUnit ();
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else
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this.ccu = targetCompileUnit;
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this.config = targetConfig;
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Options |= ServiceContractGenerationOptions.ChannelInterface |
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ServiceContractGenerationOptions.ClientClass;
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}
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public ConfigurationType Configuration {
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get { return config; }
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}
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public Collection<MetadataConversionError> Errors {
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get { return errors; }
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}
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public Dictionary<string,string> NamespaceMappings {
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get { return nsmappings; }
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}
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public ServiceContractGenerationOptions Options {
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get { return options; }
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set { options = value; }
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}
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bool GenerateAsync {
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get { return GenerateEventBasedAsync || (options & ServiceContractGenerationOptions.AsynchronousMethods) != 0; }
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}
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bool GenerateEventBasedAsync {
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get { return (options & ServiceContractGenerationOptions.EventBasedAsynchronousMethods) != 0; }
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}
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public Dictionary<ContractDescription,Type> ReferencedTypes {
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get { return referenced_types; }
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}
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public CodeCompileUnit TargetCompileUnit {
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get { return ccu; }
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}
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public void GenerateBinding (Binding binding,
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out string bindingSectionName,
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out string configurationName)
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{
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if (config == null)
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throw new InvalidOperationException ();
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var element = ConfigUtil.FindCollectionElement (binding, config);
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if (element == null)
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throw new InvalidOperationException ();
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bindingSectionName = element.BindingName;
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int idx = 0;
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configurationName = binding.Name;
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while (element.ContainsKey (configurationName))
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configurationName = binding.Name + (++idx);
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if (!element.TryAdd (configurationName, binding, config))
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throw new InvalidOperationException ();
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}
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#region Service Contract Type
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// Those implementation classes are very likely to be split
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// into different classes.
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[MonoTODO]
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public CodeTypeReference GenerateServiceContractType (
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ContractDescription contractDescription)
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{
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CodeNamespace cns = GetNamespace (contractDescription.Namespace);
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var cache = ExportInterface_internal (contractDescription, cns);
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if (cache.GeneratedContractType)
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return cache.GetReference ();
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// FIXME: handle duplex callback
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if ((Options & ServiceContractGenerationOptions.ChannelInterface) != 0)
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GenerateChannelInterface (contractDescription, cns);
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if ((Options & ServiceContractGenerationOptions.ClientClass) != 0)
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GenerateProxyClass (contractDescription, cns);
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if (data_contract_importer != null)
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MergeCompileUnit (data_contract_importer.CodeCompileUnit, ccu);
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if (xml_serialization_importer != null)
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MergeCompileUnit (xml_serialization_importer.CodeCompileUnit, ccu);
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// Process extensions. Class first, then methods.
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// (built-in ones must present before processing class extensions).
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foreach (var cb in contractDescription.Behaviors) {
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var gex = cb as IServiceContractGenerationExtension;
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if (gex != null)
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gex.GenerateContract (contract_context);
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}
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foreach (var opair in operation_contexts)
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opair.Key.GenerateOperation (opair.Value);
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cache.GeneratedContractType = true;
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return cache.GetReference ();
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}
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CodeNamespace GetNamespace (string contractNs)
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{
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if (contractNs == null)
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contractNs = String.Empty;
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string csharpNs;
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if (nsmappings.ContainsKey (contractNs))
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csharpNs = nsmappings [contractNs];
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else if (nsmappings.ContainsKey ("*"))
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csharpNs = nsmappings ["*"];
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else
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csharpNs = string.Empty;
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foreach (CodeNamespace cns in ccu.Namespaces)
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if (cns.Name == csharpNs)
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return cns;
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CodeNamespace ncns = new CodeNamespace ();
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ncns.Name = csharpNs;
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ccu.Namespaces.Add (ncns);
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return ncns;
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}
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CodeTypeDeclaration GetTypeDeclaration (CodeNamespace cns, string name)
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{
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foreach (CodeTypeDeclaration type in cns.Types)
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if (type.Name == name)
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return type;
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return null;
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}
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void GenerateProxyClass (ContractDescription cd, CodeNamespace cns)
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{
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string name = cd.Name + "Client";
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if (name [0] == 'I')
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name = name.Substring (1);
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name = identifiers.AddUnique (name, null);
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CodeTypeDeclaration type = GetTypeDeclaration (cns, name);
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if (type != null)
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return; // already imported
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CodeTypeReference clientBase = new CodeTypeReference (typeof (ClientBase<>));
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clientBase.TypeArguments.Add (new CodeTypeReference (cd.Name));
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type = new CodeTypeDeclaration (name);
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cns.Types.Add (type);
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type.TypeAttributes = TypeAttributes.Public;
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type.BaseTypes.Add (clientBase);
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type.BaseTypes.Add (new CodeTypeReference (cd.Name));
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// .ctor()
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CodeConstructor ctor = new CodeConstructor ();
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ctor.Attributes = MemberAttributes.Public;
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type.Members.Add (ctor);
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// .ctor(string endpointConfigurationName)
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ctor = new CodeConstructor ();
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ctor.Attributes = MemberAttributes.Public;
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ctor.Parameters.Add (
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new CodeParameterDeclarationExpression (
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new CodeTypeReference (typeof (string)), "endpointConfigurationName"));
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ctor.BaseConstructorArgs.Add (
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new CodeArgumentReferenceExpression ("endpointConfigurationName"));
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type.Members.Add (ctor);
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// .ctor(string endpointConfigurationName, string remoteAddress)
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ctor = new CodeConstructor ();
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ctor.Attributes = MemberAttributes.Public;
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ctor.Parameters.Add (
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new CodeParameterDeclarationExpression (
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new CodeTypeReference (typeof (string)), "endpointConfigurationName"));
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ctor.Parameters.Add (
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new CodeParameterDeclarationExpression (
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new CodeTypeReference (typeof (string)), "remoteAddress"));
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ctor.BaseConstructorArgs.Add (
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new CodeArgumentReferenceExpression ("endpointConfigurationName"));
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ctor.BaseConstructorArgs.Add (
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new CodeArgumentReferenceExpression ("remoteAddress"));
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type.Members.Add (ctor);
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// .ctor(string endpointConfigurationName, EndpointAddress remoteAddress)
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ctor = new CodeConstructor ();
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ctor.Attributes = MemberAttributes.Public;
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ctor.Parameters.Add (
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new CodeParameterDeclarationExpression (
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new CodeTypeReference (typeof (string)), "endpointConfigurationName"));
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ctor.Parameters.Add (
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new CodeParameterDeclarationExpression (
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new CodeTypeReference (typeof (EndpointAddress)), "remoteAddress"));
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ctor.BaseConstructorArgs.Add (
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new CodeArgumentReferenceExpression ("endpointConfigurationName"));
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ctor.BaseConstructorArgs.Add (
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new CodeArgumentReferenceExpression ("remoteAddress"));
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type.Members.Add (ctor);
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// .ctor(Binding,EndpointAddress)
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ctor = new CodeConstructor ();
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ctor.Attributes = MemberAttributes.Public;
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ctor.Parameters.Add (
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new CodeParameterDeclarationExpression (
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new CodeTypeReference (typeof (Binding)), "binding"));
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ctor.Parameters.Add (
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new CodeParameterDeclarationExpression (
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new CodeTypeReference (typeof (EndpointAddress)), "endpoint"));
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ctor.BaseConstructorArgs.Add (
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new CodeArgumentReferenceExpression ("binding"));
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ctor.BaseConstructorArgs.Add (
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new CodeArgumentReferenceExpression ("endpoint"));
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type.Members.Add (ctor);
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// service contract methods
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AddImplementationClientMethods (type, cd);
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if (GenerateEventBasedAsync)
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foreach (var od in cd.Operations)
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GenerateEventBasedAsyncSupport (type, od, cns);
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}
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void GenerateChannelInterface (ContractDescription cd, CodeNamespace cns)
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{
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string name = cd.Name + "Channel";
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name = identifiers.AddUnique (name, null);
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CodeTypeDeclaration type = GetTypeDeclaration (cns, name);
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if (type != null)
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return;
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type = new CodeTypeDeclaration ();
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type.Name = name;
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type.TypeAttributes = TypeAttributes.Interface | TypeAttributes.Public;
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cns.Types.Add (type);
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type.BaseTypes.Add (ExportInterface (cd, cns));
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type.BaseTypes.Add (new CodeTypeReference (typeof (System.ServiceModel.IClientChannel)));
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}
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CodeTypeReference ExportInterface (ContractDescription cd, CodeNamespace cns)
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{
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var cache = ExportInterface_internal (cd, cns);
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return cache.GetReference ();
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}
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ContractCacheEntry ExportInterface_internal (ContractDescription cd, CodeNamespace cns)
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{
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if (generated_contracts.ContainsKey (cd))
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return generated_contracts [cd];
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var type = new CodeTypeDeclaration ();
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type.TypeAttributes = TypeAttributes.Interface;
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type.TypeAttributes |= TypeAttributes.Public;
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cns.Types.Add (type);
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type.Name = identifiers.AddUnique (cd.Name, null);
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var configName = type.Name;
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CodeAttributeDeclaration ad =
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new CodeAttributeDeclaration (
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new CodeTypeReference (
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typeof (ServiceContractAttribute)));
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ad.Arguments.Add (new CodeAttributeArgument ("Namespace", new CodePrimitiveExpression (cd.Namespace)));
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ad.Arguments.Add (new CodeAttributeArgument ("ConfigurationName", new CodePrimitiveExpression (configName)));
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type.CustomAttributes.Add (ad);
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contract_context = new ServiceContractGenerationContext (this, cd, type);
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AddOperationMethods (type, cd);
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var cache = new ContractCacheEntry (cd, configName, type);
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generated_contracts.Add (cd, cache);
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return cache;
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}
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void AddBeginAsyncArgs (CodeMemberMethod cm)
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{
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var acb = new CodeParameterDeclarationExpression (new CodeTypeReference (typeof (AsyncCallback)), "asyncCallback");
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cm.Parameters.Add (acb);
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var us = new CodeParameterDeclarationExpression (new CodeTypeReference (typeof (object)), "userState");
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cm.Parameters.Add (us);
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}
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void AddOperationMethods (CodeTypeDeclaration type, ContractDescription cd)
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{
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foreach (OperationDescription od in cd.Operations) {
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CodeMemberMethod syncMethod = null, beginMethod = null, endMethod = null;
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CodeTypeReference returnTypeFromMessageContract = null;
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syncMethod = GenerateOperationMethod (type, cd, od, false, out returnTypeFromMessageContract);
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type.Members.Add (syncMethod);
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if (GenerateAsync) {
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beginMethod = GenerateOperationMethod (type, cd, od, true, out returnTypeFromMessageContract);
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type.Members.Add (beginMethod);
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var cm = new CodeMemberMethod ();
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type.Members.Add (cm);
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cm.Name = "End" + od.Name;
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endMethod = cm;
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var res = new CodeParameterDeclarationExpression (new CodeTypeReference (typeof (IAsyncResult)), "result");
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cm.Parameters.Add (res);
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if (od.SyncMethod != null) // FIXME: it depends on sync method!
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cm.ReturnType = new CodeTypeReference (od.SyncMethod.ReturnType);
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else
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cm.ReturnType = returnTypeFromMessageContract;
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}
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foreach (var ob in od.Behaviors) {
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var gex = ob as IOperationContractGenerationExtension;
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if (gex != null)
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operation_contexts.Add (new OPair (gex, new OperationContractGenerationContext (this, contract_context, od, type, syncMethod, beginMethod, endMethod)));
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}
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}
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}
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CodeMemberMethod GenerateOperationMethod (CodeTypeDeclaration type, ContractDescription cd, OperationDescription od, bool async, out CodeTypeReference returnType)
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{
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CodeMemberMethod cm = new CodeMemberMethod ();
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if (od.Behaviors.Find<XmlSerializerMappingBehavior> () != null)
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cm.CustomAttributes.Add (new CodeAttributeDeclaration (new CodeTypeReference (typeof (XmlSerializerFormatAttribute))));
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if (async)
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cm.Name = "Begin" + od.Name;
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else
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cm.Name = od.Name;
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if (od.SyncMethod != null) {
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ExportParameters (cm, od.SyncMethod.GetParameters ());
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if (async) {
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AddBeginAsyncArgs (cm);
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cm.ReturnType = new CodeTypeReference (typeof (IAsyncResult));
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}
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else
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cm.ReturnType = new CodeTypeReference (od.SyncMethod.ReturnType);
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returnType = new CodeTypeReference (od.SyncMethod.ReturnType);
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} else {
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ExportMessages (od.Messages, cm, false);
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returnType = cm.ReturnType;
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if (async) {
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AddBeginAsyncArgs (cm);
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cm.ReturnType = new CodeTypeReference (typeof (IAsyncResult));
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}
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}
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// [OperationContract (Action = "...", ReplyAction = "..")]
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var ad = new CodeAttributeDeclaration (new CodeTypeReference (typeof (OperationContractAttribute)));
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foreach (MessageDescription md in od.Messages) {
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if (md.Direction == MessageDirection.Input)
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ad.Arguments.Add (new CodeAttributeArgument ("Action", new CodePrimitiveExpression (md.Action)));
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else
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ad.Arguments.Add (new CodeAttributeArgument ("ReplyAction", new CodePrimitiveExpression (md.Action)));
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}
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if (async)
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ad.Arguments.Add (new CodeAttributeArgument ("AsyncPattern", new CodePrimitiveExpression (true)));
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cm.CustomAttributes.Add (ad);
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return cm;
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}
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void ExportParameters (CodeMemberMethod method, ParameterInfo [] parameters)
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{
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foreach (ParameterInfo pi in parameters)
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method.Parameters.Add (
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new CodeParameterDeclarationExpression (
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new CodeTypeReference (pi.ParameterType),
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pi.Name));
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}
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void AddImplementationClientMethods (CodeTypeDeclaration type, ContractDescription cd)
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{
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foreach (OperationDescription od in cd.Operations) {
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CodeMemberMethod cm;
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CodeTypeReference returnTypeFromMessageContract = null;
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cm = GenerateImplementationClientMethod (type, cd, od, false, out returnTypeFromMessageContract);
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type.Members.Add (cm);
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if (!GenerateAsync)
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continue;
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cm = GenerateImplementationClientMethod (type, cd, od, true, out returnTypeFromMessageContract);
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type.Members.Add (cm);
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// EndXxx() implementation
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cm = new CodeMemberMethod ();
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cm.Attributes = MemberAttributes.Public
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| MemberAttributes.Final;
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type.Members.Add (cm);
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cm.Name = "End" + od.Name;
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var res = new CodeParameterDeclarationExpression (new CodeTypeReference (typeof (IAsyncResult)), "result");
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cm.Parameters.Add (res);
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if (od.SyncMethod != null) // FIXME: it depends on sync method!
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cm.ReturnType = new CodeTypeReference (od.SyncMethod.ReturnType);
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else
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cm.ReturnType = returnTypeFromMessageContract;
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string resultArgName = "result";
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if (od.EndMethod != null)
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resultArgName = od.EndMethod.GetParameters () [0].Name;
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var call = new CodeMethodInvokeExpression (
|
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new CodePropertyReferenceExpression (
|
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new CodeBaseReferenceExpression (),
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"Channel"),
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cm.Name,
|
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new CodeArgumentReferenceExpression (resultArgName));
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|
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if (cm.ReturnType.BaseType == "System.Void")
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cm.Statements.Add (new CodeExpressionStatement (call));
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else
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cm.Statements.Add (new CodeMethodReturnStatement (call));
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}
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}
|
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|
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CodeMemberMethod GenerateImplementationClientMethod (CodeTypeDeclaration type, ContractDescription cd, OperationDescription od, bool async, out CodeTypeReference returnTypeFromMessageContract)
|
|
{
|
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CodeMemberMethod cm = new CodeMemberMethod ();
|
|
if (async)
|
|
cm.Name = "Begin" + od.Name;
|
|
else
|
|
cm.Name = od.Name;
|
|
cm.Attributes = MemberAttributes.Public | MemberAttributes.Final;
|
|
returnTypeFromMessageContract = null;
|
|
|
|
List<CodeExpression> args = new List<CodeExpression> ();
|
|
if (od.SyncMethod != null) {
|
|
ParameterInfo [] pars = od.SyncMethod.GetParameters ();
|
|
ExportParameters (cm, pars);
|
|
cm.ReturnType = new CodeTypeReference (od.SyncMethod.ReturnType);
|
|
int i = 0;
|
|
foreach (ParameterInfo pi in pars)
|
|
args.Add (new CodeArgumentReferenceExpression (pi.Name));
|
|
} else {
|
|
args.AddRange (ExportMessages (od.Messages, cm, true));
|
|
returnTypeFromMessageContract = cm.ReturnType;
|
|
if (async) {
|
|
AddBeginAsyncArgs (cm);
|
|
cm.ReturnType = new CodeTypeReference (typeof (IAsyncResult));
|
|
}
|
|
}
|
|
if (async) {
|
|
args.Add (new CodeArgumentReferenceExpression ("asyncCallback"));
|
|
args.Add (new CodeArgumentReferenceExpression ("userState"));
|
|
}
|
|
|
|
CodeExpression call = new CodeMethodInvokeExpression (
|
|
new CodePropertyReferenceExpression (
|
|
new CodeBaseReferenceExpression (),
|
|
"Channel"),
|
|
cm.Name,
|
|
args.ToArray ());
|
|
|
|
if (cm.ReturnType.BaseType == "System.Void")
|
|
cm.Statements.Add (new CodeExpressionStatement (call));
|
|
else
|
|
cm.Statements.Add (new CodeMethodReturnStatement (call));
|
|
return cm;
|
|
}
|
|
|
|
CodeMemberMethod FindByName (CodeTypeDeclaration type, string name)
|
|
{
|
|
foreach (var m in type.Members) {
|
|
var method = m as CodeMemberMethod;
|
|
if (method != null && method.Name == name)
|
|
return method;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
void GenerateEventBasedAsyncSupport (CodeTypeDeclaration type, OperationDescription od, CodeNamespace cns)
|
|
{
|
|
var method = FindByName (type, od.Name) ?? FindByName (type, "Begin" + od.Name);
|
|
var endMethod = method.Name == od.Name ? null : FindByName (type, "End" + od.Name);
|
|
bool methodAsync = method.Name.StartsWith ("Begin", StringComparison.Ordinal);
|
|
var resultType = endMethod != null ? endMethod.ReturnType : method.ReturnType;
|
|
|
|
var thisExpr = new CodeThisReferenceExpression ();
|
|
var baseExpr = new CodeBaseReferenceExpression ();
|
|
var nullExpr = new CodePrimitiveExpression (null);
|
|
var asyncResultType = new CodeTypeReference (typeof (IAsyncResult));
|
|
|
|
// OnBeginXxx() implementation
|
|
var cm = new CodeMemberMethod () {
|
|
Name = "OnBegin" + od.Name,
|
|
Attributes = MemberAttributes.Private | MemberAttributes.Final,
|
|
ReturnType = asyncResultType
|
|
};
|
|
type.Members.Add (cm);
|
|
|
|
AddMethodParam (cm, typeof (object []), "args");
|
|
AddMethodParam (cm, typeof (AsyncCallback), "asyncCallback");
|
|
AddMethodParam (cm, typeof (object), "userState");
|
|
|
|
var call = new CodeMethodInvokeExpression (
|
|
thisExpr,
|
|
"Begin" + od.Name);
|
|
for (int idx = 0; idx < method.Parameters.Count - (methodAsync ? 2 : 0); idx++) {
|
|
var p = method.Parameters [idx];
|
|
cm.Statements.Add (new CodeVariableDeclarationStatement (p.Type, p.Name, new CodeCastExpression (p.Type, new CodeArrayIndexerExpression (new CodeArgumentReferenceExpression ("args"), new CodePrimitiveExpression (idx)))));
|
|
call.Parameters.Add (new CodeVariableReferenceExpression (p.Name));
|
|
}
|
|
call.Parameters.Add (new CodeArgumentReferenceExpression ("asyncCallback"));
|
|
call.Parameters.Add (new CodeArgumentReferenceExpression ("userState"));
|
|
cm.Statements.Add (new CodeMethodReturnStatement (call));
|
|
|
|
// OnEndXxx() implementation
|
|
cm = new CodeMemberMethod () {
|
|
Name = "OnEnd" + od.Name,
|
|
Attributes = MemberAttributes.Private | MemberAttributes.Final,
|
|
ReturnType = new CodeTypeReference (typeof (object [])) };
|
|
type.Members.Add (cm);
|
|
|
|
AddMethodParam (cm, typeof (IAsyncResult), "result");
|
|
|
|
var outArgRefs = new List<CodeVariableReferenceExpression> ();
|
|
|
|
for (int idx = 0; idx < method.Parameters.Count; idx++) {
|
|
var p = method.Parameters [idx];
|
|
if (p.Direction != FieldDirection.In) {
|
|
cm.Statements.Add (new CodeVariableDeclarationStatement (p.Type, p.Name));
|
|
outArgRefs.Add (new CodeVariableReferenceExpression (p.Name)); // FIXME: should this work? They need "out" or "ref" modifiers.
|
|
}
|
|
}
|
|
|
|
call = new CodeMethodInvokeExpression (
|
|
thisExpr,
|
|
"End" + od.Name,
|
|
new CodeArgumentReferenceExpression ("result"));
|
|
call.Parameters.AddRange (outArgRefs.Cast<CodeExpression> ().ToArray ()); // questionable
|
|
|
|
var retCreate = new CodeArrayCreateExpression (typeof (object));
|
|
if (resultType.BaseType == "System.Void")
|
|
cm.Statements.Add (call);
|
|
else {
|
|
cm.Statements.Add (new CodeVariableDeclarationStatement (typeof (object), "__ret", call));
|
|
retCreate.Initializers.Add (new CodeVariableReferenceExpression ("__ret"));
|
|
}
|
|
foreach (var outArgRef in outArgRefs)
|
|
retCreate.Initializers.Add (new CodeVariableReferenceExpression (outArgRef.VariableName));
|
|
|
|
cm.Statements.Add (new CodeMethodReturnStatement (retCreate));
|
|
|
|
// OnXxxCompleted() implementation
|
|
cm = new CodeMemberMethod () {
|
|
Name = "On" + od.Name + "Completed",
|
|
Attributes = MemberAttributes.Private | MemberAttributes.Final };
|
|
type.Members.Add (cm);
|
|
|
|
AddMethodParam (cm, typeof (object), "state");
|
|
|
|
string argsname = identifiers.AddUnique (od.Name + "CompletedEventArgs", null);
|
|
var iaargs = new CodeTypeReference ("InvokeAsyncCompletedEventArgs"); // avoid messy System.Type instance for generic nested type :|
|
|
var iaref = new CodeVariableReferenceExpression ("args");
|
|
var methodEventArgs = new CodeObjectCreateExpression (new CodeTypeReference (argsname),
|
|
new CodePropertyReferenceExpression (iaref, "Results"),
|
|
new CodePropertyReferenceExpression (iaref, "Error"),
|
|
new CodePropertyReferenceExpression (iaref, "Cancelled"),
|
|
new CodePropertyReferenceExpression (iaref, "UserState"));
|
|
cm.Statements.Add (new CodeConditionStatement (
|
|
new CodeBinaryOperatorExpression (
|
|
new CodeEventReferenceExpression (thisExpr, od.Name + "Completed"), CodeBinaryOperatorType.IdentityInequality, nullExpr),
|
|
new CodeVariableDeclarationStatement (iaargs, "args", new CodeCastExpression (iaargs, new CodeArgumentReferenceExpression ("state"))),
|
|
new CodeExpressionStatement (new CodeMethodInvokeExpression (thisExpr, od.Name + "Completed", thisExpr, methodEventArgs))));
|
|
|
|
// delegate fields
|
|
type.Members.Add (new CodeMemberField (new CodeTypeReference ("BeginOperationDelegate"), "onBegin" + od.Name + "Delegate"));
|
|
type.Members.Add (new CodeMemberField (new CodeTypeReference ("EndOperationDelegate"), "onEnd" + od.Name + "Delegate"));
|
|
type.Members.Add (new CodeMemberField (new CodeTypeReference (typeof (SendOrPostCallback)), "on" + od.Name + "CompletedDelegate"));
|
|
|
|
// XxxCompletedEventArgs class
|
|
var argsType = new CodeTypeDeclaration (argsname);
|
|
argsType.BaseTypes.Add (new CodeTypeReference (typeof (AsyncCompletedEventArgs)));
|
|
cns.Types.Add (argsType);
|
|
|
|
var argsCtor = new CodeConstructor () {
|
|
Attributes = MemberAttributes.Public | MemberAttributes.Final };
|
|
argsCtor.Parameters.Add (new CodeParameterDeclarationExpression (typeof (object []), "results"));
|
|
argsCtor.Parameters.Add (new CodeParameterDeclarationExpression (typeof (Exception), "error"));
|
|
argsCtor.Parameters.Add (new CodeParameterDeclarationExpression (typeof (bool), "cancelled"));
|
|
argsCtor.Parameters.Add (new CodeParameterDeclarationExpression (typeof (object), "userState"));
|
|
argsCtor.BaseConstructorArgs.Add (new CodeArgumentReferenceExpression ("error"));
|
|
argsCtor.BaseConstructorArgs.Add (new CodeArgumentReferenceExpression ("cancelled"));
|
|
argsCtor.BaseConstructorArgs.Add (new CodeArgumentReferenceExpression ("userState"));
|
|
var resultsField = new CodeFieldReferenceExpression (thisExpr, "results");
|
|
argsCtor.Statements.Add (new CodeAssignStatement (resultsField, new CodeArgumentReferenceExpression ("results")));
|
|
argsType.Members.Add (argsCtor);
|
|
|
|
argsType.Members.Add (new CodeMemberField (typeof (object []), "results"));
|
|
|
|
if (resultType.BaseType != "System.Void") {
|
|
var resultProp = new CodeMemberProperty {
|
|
Name = "Result",
|
|
Type = resultType,
|
|
Attributes = MemberAttributes.Public | MemberAttributes.Final };
|
|
resultProp.GetStatements.Add (new CodeMethodReturnStatement (new CodeCastExpression (resultProp.Type, new CodeArrayIndexerExpression (resultsField, new CodePrimitiveExpression (0)))));
|
|
argsType.Members.Add (resultProp);
|
|
}
|
|
|
|
// event field
|
|
var handlerType = new CodeTypeReference (typeof (EventHandler<>));
|
|
handlerType.TypeArguments.Add (new CodeTypeReference (argsType.Name));
|
|
type.Members.Add (new CodeMemberEvent () {
|
|
Name = od.Name + "Completed",
|
|
Type = handlerType,
|
|
Attributes = MemberAttributes.Public | MemberAttributes.Final });
|
|
|
|
// XxxAsync() implementations
|
|
bool hasAsync = false;
|
|
foreach (int __x in Enumerable.Range (0, 2)) {
|
|
cm = new CodeMemberMethod ();
|
|
type.Members.Add (cm);
|
|
cm.Name = od.Name + "Async";
|
|
cm.Attributes = MemberAttributes.Public
|
|
| MemberAttributes.Final;
|
|
|
|
var inArgs = new List<CodeParameterDeclarationExpression > ();
|
|
|
|
for (int idx = 0; idx < method.Parameters.Count - (methodAsync ? 2 : 0); idx++) {
|
|
var pd = method.Parameters [idx];
|
|
inArgs.Add (pd);
|
|
cm.Parameters.Add (pd);
|
|
}
|
|
|
|
// First one is overload without asyncState arg.
|
|
if (!hasAsync) {
|
|
call = new CodeMethodInvokeExpression (thisExpr, cm.Name, inArgs.ConvertAll<CodeExpression> (decl => new CodeArgumentReferenceExpression (decl.Name)).ToArray ());
|
|
call.Parameters.Add (nullExpr);
|
|
cm.Statements.Add (new CodeExpressionStatement (call));
|
|
hasAsync = true;
|
|
continue;
|
|
}
|
|
|
|
// Second one is the primary one.
|
|
|
|
cm.Parameters.Add (new CodeParameterDeclarationExpression (typeof (object), "userState"));
|
|
|
|
// if (onBeginBarOperDelegate == null) onBeginBarOperDelegate = new BeginOperationDelegate (OnBeginBarOper);
|
|
// if (onEndBarOperDelegate == null) onEndBarOperDelegate = new EndOperationDelegate (OnEndBarOper);
|
|
// if (onBarOperCompletedDelegate == null) onBarOperCompletedDelegate = new BeginOperationDelegate (OnBarOperCompleted);
|
|
var beginOperDelegateRef = new CodeFieldReferenceExpression (thisExpr, "onBegin" + od.Name + "Delegate");
|
|
var endOperDelegateRef = new CodeFieldReferenceExpression (thisExpr, "onEnd" + od.Name + "Delegate");
|
|
var operCompletedDelegateRef = new CodeFieldReferenceExpression (thisExpr, "on" + od.Name + "CompletedDelegate");
|
|
|
|
var ifstmt = new CodeConditionStatement (
|
|
new CodeBinaryOperatorExpression (beginOperDelegateRef, CodeBinaryOperatorType.IdentityEquality, nullExpr),
|
|
new CodeAssignStatement (beginOperDelegateRef, new CodeDelegateCreateExpression (new CodeTypeReference ("BeginOperationDelegate"), thisExpr, "OnBegin" + od.Name)));
|
|
cm.Statements.Add (ifstmt);
|
|
ifstmt = new CodeConditionStatement (
|
|
new CodeBinaryOperatorExpression (endOperDelegateRef, CodeBinaryOperatorType.IdentityEquality, nullExpr),
|
|
new CodeAssignStatement (endOperDelegateRef, new CodeDelegateCreateExpression (new CodeTypeReference ("EndOperationDelegate"), thisExpr, "OnEnd" + od.Name)));
|
|
cm.Statements.Add (ifstmt);
|
|
ifstmt = new CodeConditionStatement (
|
|
new CodeBinaryOperatorExpression (operCompletedDelegateRef, CodeBinaryOperatorType.IdentityEquality, nullExpr),
|
|
new CodeAssignStatement (operCompletedDelegateRef, new CodeDelegateCreateExpression (new CodeTypeReference (typeof (SendOrPostCallback)), thisExpr, "On" + od.Name + "Completed")));
|
|
cm.Statements.Add (ifstmt);
|
|
|
|
// InvokeAsync (onBeginBarOperDelegate, inValues, onEndBarOperDelegate, onBarOperCompletedDelegate, userState);
|
|
|
|
inArgs.Add (new CodeParameterDeclarationExpression (typeof (object), "userState"));
|
|
|
|
var args = new List<CodeExpression> ();
|
|
args.Add (beginOperDelegateRef);
|
|
args.Add (new CodeArrayCreateExpression (typeof (object), inArgs.ConvertAll<CodeExpression> (decl => new CodeArgumentReferenceExpression (decl.Name)).ToArray ()));
|
|
args.Add (endOperDelegateRef);
|
|
args.Add (new CodeFieldReferenceExpression (thisExpr, "on" + od.Name + "CompletedDelegate"));
|
|
args.Add (new CodeArgumentReferenceExpression ("userState"));
|
|
call = new CodeMethodInvokeExpression (baseExpr, "InvokeAsync", args.ToArray ());
|
|
cm.Statements.Add (new CodeExpressionStatement (call));
|
|
}
|
|
}
|
|
|
|
void AddMethodParam (CodeMemberMethod cm, Type type, string name)
|
|
{
|
|
cm.Parameters.Add (new CodeParameterDeclarationExpression (new CodeTypeReference (type), name));
|
|
}
|
|
|
|
const string ms_arrays_ns = "http://schemas.microsoft.com/2003/10/Serialization/Arrays";
|
|
|
|
private CodeExpression[] ExportMessages (MessageDescriptionCollection messages, CodeMemberMethod method, bool return_args)
|
|
{
|
|
CodeExpression [] args = null;
|
|
foreach (MessageDescription md in messages) {
|
|
if (md.Direction == MessageDirection.Output) {
|
|
if (md.Body.ReturnValue != null) {
|
|
ExportDataContract (md.Body.ReturnValue);
|
|
method.ReturnType = md.Body.ReturnValue.CodeTypeReference;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (return_args)
|
|
args = new CodeExpression [md.Body.Parts.Count];
|
|
|
|
MessagePartDescriptionCollection parts = md.Body.Parts;
|
|
for (int i = 0; i < parts.Count; i++) {
|
|
ExportDataContract (parts [i]);
|
|
|
|
method.Parameters.Add (
|
|
new CodeParameterDeclarationExpression (
|
|
parts [i].CodeTypeReference,
|
|
parts [i].Name));
|
|
|
|
if (return_args)
|
|
args [i] = new CodeArgumentReferenceExpression (parts [i].Name);
|
|
}
|
|
}
|
|
|
|
return args;
|
|
}
|
|
|
|
#endregion
|
|
|
|
public CodeTypeReference GenerateServiceEndpoint (
|
|
ServiceEndpoint endpoint,
|
|
out ChannelEndpointElement channelElement)
|
|
{
|
|
if (config == null)
|
|
throw new InvalidOperationException ();
|
|
|
|
var cd = endpoint.Contract;
|
|
var cns = GetNamespace (cd.Namespace);
|
|
var cache = ExportInterface_internal (cd, cns);
|
|
|
|
string bindingSectionName, configurationName;
|
|
GenerateBinding (endpoint.Binding, out bindingSectionName, out configurationName);
|
|
|
|
channelElement = new ChannelEndpointElement ();
|
|
channelElement.Binding = bindingSectionName;
|
|
channelElement.BindingConfiguration = configurationName;
|
|
channelElement.Name = configurationName;
|
|
channelElement.Contract = cache.ConfigurationName;
|
|
channelElement.Address = endpoint.Address.Uri;
|
|
|
|
var section = (ClientSection)config.GetSection ("system.serviceModel/client");
|
|
section.Endpoints.Add (channelElement);
|
|
|
|
return cache.GetReference ();
|
|
}
|
|
|
|
void MergeCompileUnit (CodeCompileUnit from, CodeCompileUnit to)
|
|
{
|
|
if (from == to)
|
|
return;
|
|
foreach (CodeNamespace fns in from.Namespaces) {
|
|
bool merged = false;
|
|
foreach (CodeNamespace tns in to.Namespaces)
|
|
if (fns.Name == tns.Name) {
|
|
// namespaces are merged.
|
|
MergeNamespace (fns, tns);
|
|
merged = true;
|
|
break;
|
|
}
|
|
if (!merged)
|
|
to.Namespaces.Add (fns);
|
|
}
|
|
}
|
|
|
|
// existing type is skipped.
|
|
void MergeNamespace (CodeNamespace from, CodeNamespace to)
|
|
{
|
|
foreach (CodeTypeDeclaration ftd in from.Types) {
|
|
bool skip = false;
|
|
foreach (CodeTypeDeclaration ttd in to.Types)
|
|
if (ftd.Name == ttd.Name) {
|
|
skip = true;
|
|
break;
|
|
}
|
|
if (!skip)
|
|
to.Types.Add (ftd);
|
|
}
|
|
}
|
|
|
|
private void ExportDataContract (MessagePartDescription md)
|
|
{
|
|
if (data_contract_importer == null)
|
|
data_contract_importer = md.DataContractImporter;
|
|
else if (md.DataContractImporter != null && data_contract_importer != md.DataContractImporter)
|
|
throw new Exception ("INTERNAL ERROR: should not happen");
|
|
if (xml_serialization_importer == null)
|
|
xml_serialization_importer = md.XmlSerializationImporter;
|
|
else if (md.XmlSerializationImporter != null && xml_serialization_importer != md.XmlSerializationImporter)
|
|
throw new Exception ("INTERNAL ERROR: should not happen");
|
|
}
|
|
|
|
private string GetXmlNamespace (CodeTypeDeclaration type)
|
|
{
|
|
foreach (CodeAttributeDeclaration attr in type.CustomAttributes) {
|
|
if (attr.Name == "System.Xml.Serialization.XmlTypeAttribute" ||
|
|
attr.Name == "System.Xml.Serialization.XmlRootAttribute") {
|
|
|
|
foreach (CodeAttributeArgument arg in attr.Arguments)
|
|
if (arg.Name == "Namespace")
|
|
return ((CodePrimitiveExpression)arg.Value).Value as string;
|
|
|
|
//Could not find Namespace arg!
|
|
return null;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
|
|
}
|
|
}
|