mirror of https://github.com/grpc/grpc.git
Jan Tattermusch
10 years ago
parent
f51e8587fc
commit
2d92495776
8 changed files with 727 additions and 4 deletions
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/*
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#include <cctype> |
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#include <map> |
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#include <vector> |
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#include "src/compiler/config.h" |
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#include "src/compiler/csharp_generator.h" |
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using grpc::protobuf::FileDescriptor; |
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using grpc::protobuf::Descriptor; |
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using grpc::protobuf::ServiceDescriptor; |
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using grpc::protobuf::MethodDescriptor; |
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using grpc::protobuf::io::Printer; |
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using grpc::protobuf::io::StringOutputStream; |
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using std::map; |
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using std::vector; |
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namespace grpc_csharp_generator { |
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namespace { |
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enum MethodType { |
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METHODTYPE_NO_STREAMING, |
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METHODTYPE_CLIENT_STREAMING, |
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METHODTYPE_SERVER_STREAMING, |
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METHODTYPE_BIDI_STREAMING |
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}; |
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MethodType GetMethodType(const MethodDescriptor *method) { |
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if (method->client_streaming()) { |
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if (method->server_streaming()) { |
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return METHODTYPE_BIDI_STREAMING; |
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} else { |
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return METHODTYPE_CLIENT_STREAMING; |
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} |
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} else { |
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if (method->server_streaming()) { |
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return METHODTYPE_SERVER_STREAMING; |
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} else { |
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return METHODTYPE_NO_STREAMING; |
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} |
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} |
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} |
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std::string GetCSharpNamespace(const FileDescriptor* file) { |
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// TODO(jtattermusch): this should be based on csharp_namespace option
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return file->package(); |
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} |
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std::string GetMessageType(const Descriptor* message) { |
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// TODO(jtattermusch): this has to match with C# protobuf generator
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return message->name(); |
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} |
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std::string GetServiceClassName(const ServiceDescriptor* service) { |
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return service->name(); |
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} |
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std::string GetClientInterfaceName(const ServiceDescriptor* service) { |
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return "I" + service->name() + "Client"; |
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} |
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std::string GetClientClassName(const ServiceDescriptor* service) { |
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return service->name() + "Client"; |
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} |
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std::string GetServerInterfaceName(const ServiceDescriptor* service) { |
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return "I" + service->name(); |
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} |
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std::string GetCSharpMethodType(MethodType method_type) { |
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switch (method_type) { |
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case METHODTYPE_NO_STREAMING: |
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return "MethodType.Unary"; |
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case METHODTYPE_CLIENT_STREAMING: |
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return "MethodType.ClientStreaming"; |
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case METHODTYPE_SERVER_STREAMING: |
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return "MethodType.ServerStreaming"; |
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case METHODTYPE_BIDI_STREAMING: |
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return "MethodType.DuplexStreaming"; |
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} |
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GOOGLE_LOG(FATAL)<< "Can't get here."; |
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return ""; |
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} |
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std::string GetServiceNameFieldName() { |
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return "__ServiceName"; |
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} |
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std::string GetMarshallerFieldName(const Descriptor *message) { |
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return "__Marshaller_" + message->name(); |
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} |
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std::string GetMethodFieldName(const MethodDescriptor *method) { |
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return "__Method_" + method->name(); |
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} |
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std::string GetMethodRequestParamMaybe(const MethodDescriptor *method) { |
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if (method->client_streaming()) { |
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return ""; |
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} |
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return GetMessageType(method->input_type()) + " request, "; |
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} |
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std::string GetMethodReturnTypeClient(const MethodDescriptor *method) { |
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switch (GetMethodType(method)) { |
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case METHODTYPE_NO_STREAMING: |
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return "Task<" + GetMessageType(method->output_type()) + ">"; |
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case METHODTYPE_CLIENT_STREAMING: |
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return "AsyncClientStreamingCall<" + GetMessageType(method->input_type()) |
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+ ", " + GetMessageType(method->output_type()) + ">"; |
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case METHODTYPE_SERVER_STREAMING: |
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return "AsyncServerStreamingCall<" + GetMessageType(method->output_type()) |
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+ ">"; |
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case METHODTYPE_BIDI_STREAMING: |
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return "AsyncDuplexStreamingCall<" + GetMessageType(method->input_type()) |
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+ ", " + GetMessageType(method->output_type()) + ">"; |
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} |
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GOOGLE_LOG(FATAL)<< "Can't get here."; |
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return ""; |
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} |
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std::string GetMethodRequestParamServer(const MethodDescriptor *method) { |
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switch (GetMethodType(method)) { |
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case METHODTYPE_NO_STREAMING: |
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case METHODTYPE_SERVER_STREAMING: |
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return GetMessageType(method->input_type()) + " request"; |
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case METHODTYPE_CLIENT_STREAMING: |
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case METHODTYPE_BIDI_STREAMING: |
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return "IAsyncStreamReader<" + GetMessageType(method->input_type()) |
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+ "> requestStream"; |
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} |
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GOOGLE_LOG(FATAL)<< "Can't get here."; |
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return ""; |
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} |
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std::string GetMethodReturnTypeServer(const MethodDescriptor *method) { |
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switch (GetMethodType(method)) { |
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case METHODTYPE_NO_STREAMING: |
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case METHODTYPE_CLIENT_STREAMING: |
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return "Task<" + GetMessageType(method->output_type()) + ">"; |
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case METHODTYPE_SERVER_STREAMING: |
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case METHODTYPE_BIDI_STREAMING: |
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return "Task"; |
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} |
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GOOGLE_LOG(FATAL)<< "Can't get here."; |
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return ""; |
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} |
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std::string GetMethodResponseStreamMaybe(const MethodDescriptor *method) { |
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switch (GetMethodType(method)) { |
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case METHODTYPE_NO_STREAMING: |
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case METHODTYPE_CLIENT_STREAMING: |
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return ""; |
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case METHODTYPE_SERVER_STREAMING: |
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case METHODTYPE_BIDI_STREAMING: |
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return ", IServerStreamWriter<" + GetMessageType(method->output_type()) |
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+ "> responseStream"; |
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} |
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GOOGLE_LOG(FATAL)<< "Can't get here."; |
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return ""; |
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} |
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// Gets vector of all messages used as input or output types.
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std::vector<const Descriptor*> GetUsedMessages( |
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const ServiceDescriptor *service) { |
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std::set<const Descriptor*> descriptor_set; |
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std::vector<const Descriptor*> result; // vector is to maintain stable ordering
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for (int i = 0; i < service->method_count(); i++) { |
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const MethodDescriptor *method = service->method(i); |
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if (descriptor_set.find(method->input_type()) == descriptor_set.end()) { |
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descriptor_set.insert(method->input_type()); |
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result.push_back(method->input_type()); |
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} |
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if (descriptor_set.find(method->output_type()) == descriptor_set.end()) { |
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descriptor_set.insert(method->output_type()); |
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result.push_back(method->output_type()); |
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} |
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} |
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return result; |
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} |
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void GenerateMarshallerFields(Printer* out, const ServiceDescriptor *service) { |
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std::vector<const Descriptor*> used_messages = GetUsedMessages(service); |
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for (size_t i = 0; i < used_messages.size(); i++) { |
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const Descriptor *message = used_messages[i]; |
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out->Print( |
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"static readonly Marshaller<$type$> $fieldname$ = Marshallers.Create((arg) => arg.ToByteArray(), $type$.ParseFrom);\n", |
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"fieldname", GetMarshallerFieldName(message), "type", |
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GetMessageType(message)); |
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} |
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out->Print("\n"); |
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} |
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void GenerateStaticMethodField(Printer* out, const MethodDescriptor *method) { |
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out->Print( |
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"static readonly Method<$request$, $response$> $fieldname$ = new Method<$request$, $response$>(\n", |
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"fieldname", GetMethodFieldName(method), "request", |
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GetMessageType(method->input_type()), "response", |
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GetMessageType(method->output_type())); |
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out->Indent(); |
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out->Indent(); |
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out->Print("$methodtype$,\n", "methodtype", |
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GetCSharpMethodType(GetMethodType(method))); |
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out->Print("\"$methodname$\",\n", "methodname", method->name()); |
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out->Print("$requestmarshaller$,\n", "requestmarshaller", |
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GetMarshallerFieldName(method->input_type())); |
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out->Print("$responsemarshaller$);\n", "responsemarshaller", |
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GetMarshallerFieldName(method->output_type())); |
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out->Print("\n"); |
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out->Outdent(); |
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out->Outdent(); |
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} |
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void GenerateClientInterface(Printer* out, const ServiceDescriptor *service) { |
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out->Print("// client-side stub interface\n"); |
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out->Print("public interface $name$\n", "name", |
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GetClientInterfaceName(service)); |
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out->Print("{\n"); |
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out->Indent(); |
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for (int i = 0; i < service->method_count(); i++) { |
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const MethodDescriptor *method = service->method(i); |
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MethodType method_type = GetMethodType(method); |
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if (method_type == METHODTYPE_NO_STREAMING) { |
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// unary calls have an extra synchronous stub method
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out->Print( |
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"$response$ $methodname$($request$ request, CancellationToken token = default(CancellationToken));\n", |
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"methodname", method->name(), "request", |
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GetMessageType(method->input_type()), "response", |
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GetMessageType(method->output_type())); |
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} |
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std::string method_name = method->name(); |
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if (method_type == METHODTYPE_NO_STREAMING) { |
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method_name += "Async"; // prevent name clash with synchronous method.
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} |
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out->Print( |
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"$returntype$ $methodname$($request_maybe$CancellationToken token = default(CancellationToken));\n", |
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"methodname", method_name, "request_maybe", |
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GetMethodRequestParamMaybe(method), "returntype", |
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GetMethodReturnTypeClient(method)); |
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} |
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out->Outdent(); |
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out->Print("}\n"); |
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out->Print("\n"); |
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} |
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void GenerateServerInterface(Printer* out, const ServiceDescriptor *service) { |
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out->Print("// server-side interface\n"); |
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out->Print("public interface $name$\n", "name", |
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GetServerInterfaceName(service)); |
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out->Print("{\n"); |
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out->Indent(); |
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for (int i = 0; i < service->method_count(); i++) { |
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const MethodDescriptor *method = service->method(i); |
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out->Print("$returntype$ $methodname$(ServerCallContext context, $request$$response_stream_maybe$);\n", |
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"methodname", method->name(), "returntype", |
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GetMethodReturnTypeServer(method), "request", |
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GetMethodRequestParamServer(method), "response_stream_maybe", |
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GetMethodResponseStreamMaybe(method)); |
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} |
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out->Outdent(); |
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out->Print("}\n"); |
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out->Print("\n"); |
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} |
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void GenerateClientStub(Printer* out, const ServiceDescriptor *service) { |
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out->Print("// client stub\n"); |
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out->Print( |
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"public class $name$ : AbstractStub<$name$, StubConfiguration>, $interface$\n", |
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"name", GetClientClassName(service), "interface", |
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GetClientInterfaceName(service)); |
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out->Print("{\n"); |
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out->Indent(); |
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// constructors
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out->Print( |
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"public $name$(Channel channel) : this(channel, StubConfiguration.Default)\n", |
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"name", GetClientClassName(service)); |
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out->Print("{\n"); |
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out->Print("}\n"); |
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out->Print( |
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"public $name$(Channel channel, StubConfiguration config) : base(channel, config)\n", |
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"name", GetClientClassName(service)); |
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out->Print("{\n"); |
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out->Print("}\n"); |
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for (int i = 0; i < service->method_count(); i++) { |
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const MethodDescriptor *method = service->method(i); |
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MethodType method_type = GetMethodType(method); |
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if (method_type == METHODTYPE_NO_STREAMING) { |
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// unary calls have an extra synchronous stub method
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out->Print( |
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"public $response$ $methodname$($request$ request, CancellationToken token = default(CancellationToken))\n", |
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"methodname", method->name(), "request", |
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GetMessageType(method->input_type()), "response", |
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GetMessageType(method->output_type())); |
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out->Print("{\n"); |
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out->Indent(); |
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out->Print("var call = CreateCall($servicenamefield$, $methodfield$);\n", |
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"servicenamefield", GetServiceNameFieldName(), "methodfield", |
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GetMethodFieldName(method)); |
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out->Print("return Calls.BlockingUnaryCall(call, request, token);\n"); |
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out->Outdent(); |
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out->Print("}\n"); |
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} |
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std::string method_name = method->name(); |
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if (method_type == METHODTYPE_NO_STREAMING) { |
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method_name += "Async"; // prevent name clash with synchronous method.
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} |
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out->Print( |
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"public $returntype$ $methodname$($request_maybe$CancellationToken token = default(CancellationToken))\n", |
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"methodname", method_name, "request_maybe", |
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GetMethodRequestParamMaybe(method), "returntype", |
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GetMethodReturnTypeClient(method)); |
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out->Print("{\n"); |
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out->Indent(); |
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out->Print("var call = CreateCall($servicenamefield$, $methodfield$);\n", |
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"servicenamefield", GetServiceNameFieldName(), "methodfield", |
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GetMethodFieldName(method)); |
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switch (GetMethodType(method)) { |
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case METHODTYPE_NO_STREAMING: |
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out->Print("return Calls.AsyncUnaryCall(call, request, token);\n"); |
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break; |
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case METHODTYPE_CLIENT_STREAMING: |
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out->Print("return Calls.AsyncClientStreamingCall(call, token);\n"); |
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break; |
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case METHODTYPE_SERVER_STREAMING: |
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out->Print( |
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"return Calls.AsyncServerStreamingCall(call, request, token);\n"); |
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break; |
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case METHODTYPE_BIDI_STREAMING: |
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out->Print("return Calls.AsyncDuplexStreamingCall(call, token);\n"); |
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break; |
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default: |
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GOOGLE_LOG(FATAL)<< "Can't get here."; |
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} |
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out->Outdent(); |
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out->Print("}\n"); |
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} |
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out->Outdent(); |
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out->Print("}\n"); |
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out->Print("\n"); |
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} |
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void GenerateBindServiceMethod(Printer* out, const ServiceDescriptor *service) { |
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out->Print( |
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"// creates service definition that can be registered with a server\n"); |
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out->Print( |
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"public static ServerServiceDefinition BindService($interface$ serviceImpl)\n", |
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"interface", GetServerInterfaceName(service)); |
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out->Print("{\n"); |
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out->Indent(); |
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out->Print( |
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"return ServerServiceDefinition.CreateBuilder($servicenamefield$)\n", |
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"servicenamefield", GetServiceNameFieldName()); |
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out->Indent(); |
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out->Indent(); |
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for (int i = 0; i < service->method_count(); i++) { |
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const MethodDescriptor *method = service->method(i); |
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out->Print(".AddMethod($methodfield$, serviceImpl.$methodname$)", |
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"methodfield", GetMethodFieldName(method), "methodname", |
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method->name()); |
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if (i == service->method_count() - 1) { |
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out->Print(".Build();"); |
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} |
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out->Print("\n"); |
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} |
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out->Outdent(); |
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out->Outdent(); |
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out->Outdent(); |
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out->Print("}\n"); |
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out->Print("\n"); |
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} |
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void GenerateNewStubMethods(Printer* out, const ServiceDescriptor *service) { |
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out->Print("// creates a new client stub\n"); |
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out->Print("public static $interface$ NewStub(Channel channel)\n", |
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"interface", GetClientInterfaceName(service)); |
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out->Print("{\n"); |
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out->Indent(); |
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out->Print("return new $classname$(channel);\n", "classname", |
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GetClientClassName(service)); |
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out->Outdent(); |
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out->Print("}\n"); |
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out->Print("\n"); |
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out->Print("// creates a new client stub\n"); |
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out->Print( |
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"public static $interface$ NewStub(Channel channel, StubConfiguration config)\n", |
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"interface", GetClientInterfaceName(service)); |
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out->Print("{\n"); |
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out->Indent(); |
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out->Print("return new $classname$(channel, config);\n", "classname", |
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GetClientClassName(service)); |
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out->Outdent(); |
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out->Print("}\n"); |
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} |
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void GenerateService(Printer* out, const ServiceDescriptor *service) { |
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out->Print("public static class $classname$\n", "classname", |
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GetServiceClassName(service)); |
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out->Print("{\n"); |
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out->Indent(); |
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out->Print("static readonly string $servicenamefield$ = \"$servicename$\";\n", |
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"servicenamefield", GetServiceNameFieldName(), "servicename", |
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service->full_name()); |
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out->Print("\n"); |
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GenerateMarshallerFields(out, service); |
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for (int i = 0; i < service->method_count(); i++) { |
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GenerateStaticMethodField(out, service->method(i)); |
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} |
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GenerateClientInterface(out, service); |
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GenerateServerInterface(out, service); |
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GenerateClientStub(out, service); |
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GenerateBindServiceMethod(out, service); |
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GenerateNewStubMethods(out, service); |
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out->Outdent(); |
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out->Print("}\n"); |
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} |
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} // anonymous namespace
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grpc::string GetServices(const FileDescriptor *file) { |
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grpc::string output; |
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StringOutputStream output_stream(&output); |
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Printer out(&output_stream, '$'); |
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// Don't write out any output if there no services, to avoid empty service
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// files being generated for proto files that don't declare any.
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if (file->service_count() == 0) { |
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return output; |
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} |
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// Write out a file header.
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out.Print("// Generated by the protocol buffer compiler. DO NOT EDIT!\n"); |
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out.Print("// source: $filename$\n", "filename", file->name()); |
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out.Print("#region Designer generated code\n"); |
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out.Print("\n"); |
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out.Print("using System;\n"); |
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out.Print("using System.Threading;\n"); |
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out.Print("using System.Threading.Tasks;\n"); |
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out.Print("using Grpc.Core;\n"); |
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// TODO(jtattermusch): add using for protobuf message classes
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out.Print("\n"); |
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out.Print("namespace $namespace$ {\n", "namespace", GetCSharpNamespace(file)); |
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out.Indent(); |
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for (int i = 0; i < file->service_count(); i++) { |
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GenerateService(&out, file->service(i)); |
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} |
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out.Outdent(); |
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out.Print("}\n"); |
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out.Print("#endregion"); |
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return output; |
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} |
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|
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} // namespace grpc_csharp_generator
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@ -0,0 +1,45 @@ |
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/*
|
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* 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. |
||||
* |
||||
*/ |
||||
|
||||
#ifndef GRPC_INTERNAL_COMPILER_CSHARP_GENERATOR_H |
||||
#define GRPC_INTERNAL_COMPILER_CSHARP_GENERATOR_H |
||||
|
||||
#include "src/compiler/config.h" |
||||
|
||||
namespace grpc_csharp_generator { |
||||
|
||||
grpc::string GetServices(const grpc::protobuf::FileDescriptor *file); |
||||
|
||||
} // namespace grpc_csharp_generator
|
||||
|
||||
#endif // GRPC_INTERNAL_COMPILER_CSHARP_GENERATOR_H
|
||||
@ -0,0 +1,50 @@ |
||||
/*
|
||||
* |
||||
* Copyright 2015, Google Inc. |
||||
* All rights reserved. |
||||
* |
||||
* 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. |
||||
* |
||||
*/ |
||||
|
||||
#ifndef GRPC_INTERNAL_COMPILER_CSHARP_GENERATOR_HELPERS_H |
||||
#define GRPC_INTERNAL_COMPILER_CSHARP_GENERATOR_HELPERS_H |
||||
|
||||
#include "src/compiler/config.h" |
||||
#include "src/compiler/generator_helpers.h" |
||||
|
||||
namespace grpc_csharp_generator { |
||||
|
||||
inline bool ServicesFilename(const grpc::protobuf::FileDescriptor *file, |
||||
grpc::string *file_name_or_error) { |
||||
*file_name_or_error = grpc_generator::FileNameInUpperCamel(file) + "Grpc.cs"; |
||||
return true; |
||||
} |
||||
|
||||
} // namespace grpc_csharp_generator
|
||||
|
||||
#endif // GRPC_INTERNAL_COMPILER_CSHARP_GENERATOR_HELPERS_H
|
||||
@ -0,0 +1,72 @@ |
||||
/*
|
||||
* |
||||
* Copyright 2015, Google Inc. |
||||
* All rights reserved. |
||||
* |
||||
* 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. |
||||
* |
||||
*/ |
||||
|
||||
// Generates C# gRPC service interface out of Protobuf IDL.
|
||||
|
||||
#include <memory> |
||||
|
||||
#include "src/compiler/config.h" |
||||
#include "src/compiler/csharp_generator.h" |
||||
#include "src/compiler/csharp_generator_helpers.h" |
||||
|
||||
class CSharpGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator { |
||||
public: |
||||
CSharpGrpcGenerator() {} |
||||
~CSharpGrpcGenerator() {} |
||||
|
||||
bool Generate(const grpc::protobuf::FileDescriptor *file, |
||||
const grpc::string ¶meter, |
||||
grpc::protobuf::compiler::GeneratorContext *context, |
||||
grpc::string *error) const { |
||||
grpc::string code = grpc_csharp_generator::GetServices(file); |
||||
if (code.size() == 0) { |
||||
return true; // don't generate a file if there are no services
|
||||
} |
||||
|
||||
// Get output file name.
|
||||
grpc::string file_name; |
||||
if (!grpc_csharp_generator::ServicesFilename(file, &file_name)) { |
||||
return false; |
||||
} |
||||
std::unique_ptr<grpc::protobuf::io::ZeroCopyOutputStream> output( |
||||
context->Open(file_name)); |
||||
grpc::protobuf::io::CodedOutputStream coded_out(output.get()); |
||||
coded_out.WriteRaw(code.data(), code.size()); |
||||
return true; |
||||
} |
||||
}; |
||||
|
||||
int main(int argc, char *argv[]) { |
||||
CSharpGrpcGenerator generator; |
||||
return grpc::protobuf::compiler::PluginMain(argc, argv, &generator); |
||||
} |
||||
Loading…
Reference in new issue