1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
#region Copyright notice and license
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// http://github.com/jskeet/dotnet-protobufs/
// Original C++/Java/Python code:
// http://code.google.com/p/protobuf/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endregion
using System;
using System.Collections.Generic;
using Google.ProtocolBuffers.DescriptorProtos;
using Google.ProtocolBuffers.Descriptors;
namespace Google.ProtocolBuffers.ProtoGen {
internal class ServiceGenerator : SourceGeneratorBase<ServiceDescriptor>, ISourceGenerator {
readonly CSharpServiceType svcType;
ISourceGenerator _generator;
internal ServiceGenerator(ServiceDescriptor descriptor)
: base(descriptor) {
svcType = descriptor.File.CSharpOptions.ServiceGeneratorType;
switch (svcType) {
case CSharpServiceType.GENERIC:
_generator = new GenericServiceGenerator(descriptor);
break;
case CSharpServiceType.INTERFACE:
_generator = new ServiceInterfaceGenerator(descriptor);
break;
case CSharpServiceType.IRPCDISPATCH:
_generator = new RpcServiceGenerator(descriptor);
break;
default: throw new ApplicationException("Unknown ServiceGeneratorType = " + svcType.ToString());
}
}
public void Generate(TextGenerator writer) {
_generator.Generate(writer);
}
class ServiceInterfaceGenerator : SourceGeneratorBase<ServiceDescriptor>, ISourceGenerator {
public ServiceInterfaceGenerator(ServiceDescriptor descriptor)
: base(descriptor) {
}
public virtual void Generate(TextGenerator writer) {
CSharpServiceOptions options = Descriptor.Options.GetExtension(CSharpOptions.CsharpServiceOptions);
if (options != null && options.HasInterfaceId) {
writer.WriteLine("[global::System.Runtime.InteropServices.GuidAttribute(\"{0}\")]", new Guid(options.InterfaceId));
}
writer.WriteLine("{0} partial interface I{1} {{", ClassAccessLevel, Descriptor.Name);
writer.Indent();
foreach (MethodDescriptor method in Descriptor.Methods)
{
CSharpMethodOptions mth = method.Options.GetExtension(CSharpOptions.CsharpMethodOptions);
if(mth.HasDispatchId) {
writer.WriteLine("[global::System.Runtime.InteropServices.DispId({0})]", mth.DispatchId);
}
writer.WriteLine("{0} {1}({2} {3});", GetClassName(method.OutputType), NameHelpers.UnderscoresToPascalCase(method.Name), GetClassName(method.InputType), NameHelpers.UnderscoresToCamelCase(method.InputType.Name));
}
writer.Outdent();
writer.WriteLine("}");
}
}
class RpcServiceGenerator : ServiceInterfaceGenerator {
public RpcServiceGenerator(ServiceDescriptor descriptor)
: base(descriptor) {
}
public override void Generate(TextGenerator writer)
{
base.Generate(writer);
writer.WriteLine();
// CLIENT Proxy
{
if (Descriptor.File.CSharpOptions.ClsCompliance)
writer.WriteLine("[global::System.CLSCompliant(false)]");
writer.WriteLine("{0} partial class {1} : I{1}, pb::IRpcDispatch, global::System.IDisposable {{", ClassAccessLevel, Descriptor.Name);
writer.Indent();
writer.WriteLine("private readonly bool dispose;");
writer.WriteLine("private readonly pb::IRpcDispatch dispatch;");
writer.WriteLine("public {0}(pb::IRpcDispatch dispatch) : this(dispatch, true) {{", Descriptor.Name);
writer.WriteLine("}");
writer.WriteLine("public {0}(pb::IRpcDispatch dispatch, bool dispose) {{", Descriptor.Name);
writer.WriteLine(" if (null == (this.dispatch = dispatch)) throw new global::System.ArgumentNullException();");
writer.WriteLine(" this.dispose = dispose && dispatch is global::System.IDisposable;");
writer.WriteLine("}");
writer.WriteLine();
writer.WriteLine("public void Dispose() {");
writer.WriteLine(" if (dispose) ((global::System.IDisposable)dispatch).Dispose();");
writer.WriteLine("}");
writer.WriteLine();
writer.WriteLine("TMessage pb::IRpcDispatch.CallMethod<TMessage, TBuilder>(string method, pb::IMessageLite request, pb::IBuilderLite<TMessage, TBuilder> response) {");
writer.WriteLine(" return dispatch.CallMethod(method, request, response);");
writer.WriteLine("}");
writer.WriteLine();
foreach (MethodDescriptor method in Descriptor.Methods) {
writer.WriteLine("public {0} {1}({2} {3}) {{", GetClassName(method.OutputType), NameHelpers.UnderscoresToPascalCase(method.Name), GetClassName(method.InputType), NameHelpers.UnderscoresToCamelCase(method.InputType.Name));
writer.WriteLine(" return dispatch.CallMethod(\"{0}\", {1}, {2}.CreateBuilder());",
method.Name,
NameHelpers.UnderscoresToCamelCase(method.InputType.Name),
GetClassName(method.OutputType)
);
writer.WriteLine("}");
writer.WriteLine();
}
}
// SERVER - DISPATCH
{
if (Descriptor.File.CSharpOptions.ClsCompliance)
writer.WriteLine("[global::System.CLSCompliant(false)]");
writer.WriteLine("public partial class Dispatch : pb::IRpcDispatch, global::System.IDisposable {");
writer.Indent();
writer.WriteLine("private readonly bool dispose;");
writer.WriteLine("private readonly I{0} implementation;", Descriptor.Name);
writer.WriteLine("public Dispatch(I{0} implementation) : this(implementation, true) {{", Descriptor.Name);
writer.WriteLine("}");
writer.WriteLine("public Dispatch(I{0} implementation, bool dispose) {{", Descriptor.Name);
writer.WriteLine(" if (null == (this.implementation = implementation)) throw new global::System.ArgumentNullException();");
writer.WriteLine(" this.dispose = dispose && implementation is global::System.IDisposable;");
writer.WriteLine("}");
writer.WriteLine();
writer.WriteLine("public void Dispose() {");
writer.WriteLine(" if (dispose) ((global::System.IDisposable)implementation).Dispose();");
writer.WriteLine("}");
writer.WriteLine();
writer.WriteLine("public TMessage CallMethod<TMessage, TBuilder>(string methodName, pb::IMessageLite request, pb::IBuilderLite<TMessage, TBuilder> response)");
writer.WriteLine(" where TMessage : IMessageLite<TMessage, TBuilder>");
writer.WriteLine(" where TBuilder : IBuilderLite<TMessage, TBuilder> {");
writer.Indent();
writer.WriteLine("switch(methodName) {");
writer.Indent();
foreach (MethodDescriptor method in Descriptor.Methods) {
writer.WriteLine("case \"{0}\": return response.MergeFrom(implementation.{1}(({2})request)).Build();", method.Name, NameHelpers.UnderscoresToPascalCase(method.Name), GetClassName(method.InputType));
}
writer.WriteLine("default: throw new global::System.MissingMethodException(typeof(ISearchService).FullName, methodName);");
writer.Outdent();
writer.WriteLine("}");//end switch
writer.Outdent();
writer.WriteLine("}");//end invoke
writer.Outdent();
writer.WriteLine("}");//end server
}
// SERVER - STUB
{
if (Descriptor.File.CSharpOptions.ClsCompliance)
writer.WriteLine("[global::System.CLSCompliant(false)]");
writer.WriteLine("public partial class ServerStub : pb::IRpcServerStub, global::System.IDisposable {");
writer.Indent();
writer.WriteLine("private readonly bool dispose;");
writer.WriteLine("private readonly pb::IRpcDispatch implementation;", Descriptor.Name);
writer.WriteLine("public ServerStub(I{0} implementation) : this(implementation, true) {{", Descriptor.Name);
writer.WriteLine("}");
writer.WriteLine("public ServerStub(I{0} implementation, bool dispose) : this(new Dispatch(implementation, dispose), dispose) {{", Descriptor.Name);
writer.WriteLine("}");
writer.WriteLine("public ServerStub(pb::IRpcDispatch implementation) : this(implementation, true) {");
writer.WriteLine("}");
writer.WriteLine("public ServerStub(pb::IRpcDispatch implementation, bool dispose) {");
writer.WriteLine(" if (null == (this.implementation = implementation)) throw new global::System.ArgumentNullException();");
writer.WriteLine(" this.dispose = dispose && implementation is global::System.IDisposable;");
writer.WriteLine("}");
writer.WriteLine();
writer.WriteLine("public void Dispose() {");
writer.WriteLine(" if (dispose) ((global::System.IDisposable)implementation).Dispose();");
writer.WriteLine("}");
writer.WriteLine();
writer.WriteLine("public pb::IMessageLite CallMethod(string methodName, pb::CodedInputStream input, pb::ExtensionRegistry registry) {{", Descriptor.Name);
writer.Indent();
writer.WriteLine("switch(methodName) {");
writer.Indent();
foreach (MethodDescriptor method in Descriptor.Methods)
{
writer.WriteLine("case \"{0}\": return implementation.CallMethod(methodName, {1}.ParseFrom(input, registry), {2}.CreateBuilder());", method.Name, GetClassName(method.InputType), GetClassName(method.OutputType));
}
writer.WriteLine("default: throw new global::System.MissingMethodException(typeof(ISearchService).FullName, methodName);");
writer.Outdent();
writer.WriteLine("}");//end switch
writer.Outdent();
writer.WriteLine("}");//end invoke
writer.Outdent();
writer.WriteLine("}");//end server
}
writer.Outdent();
writer.WriteLine("}");
}
}
}
}
|
