Imported Upstream version 1.18.0
[platform/upstream/grpc.git] / src / compiler / python_private_generator.h
1 /*
2  *
3  * Copyright 2015 gRPC authors.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  */
18
19 #ifndef GRPC_INTERNAL_COMPILER_PYTHON_PRIVATE_GENERATOR_H
20 #define GRPC_INTERNAL_COMPILER_PYTHON_PRIVATE_GENERATOR_H
21
22 #include <iostream>
23 #include <vector>
24
25 #include "src/compiler/python_generator.h"
26 #include "src/compiler/schema_interface.h"
27
28 namespace grpc_python_generator {
29
30 namespace {
31
32 // Tucks all generator state in an anonymous namespace away from
33 // PythonGrpcGenerator and the header file, mostly to encourage future changes
34 // to not require updates to the grpcio-tools C++ code part. Assumes that it is
35 // only ever used from a single thread.
36 struct PrivateGenerator {
37   const GeneratorConfiguration& config;
38   const grpc_generator::File* file;
39
40   bool generate_in_pb2_grpc;
41
42   PrivateGenerator(const GeneratorConfiguration& config,
43                    const grpc_generator::File* file);
44
45   std::pair<bool, grpc::string> GetGrpcServices();
46
47  private:
48   bool PrintPreamble(grpc_generator::Printer* out);
49   bool PrintBetaPreamble(grpc_generator::Printer* out);
50   bool PrintGAServices(grpc_generator::Printer* out);
51   bool PrintBetaServices(grpc_generator::Printer* out);
52
53   bool PrintAddServicerToServer(
54       const grpc::string& package_qualified_service_name,
55       const grpc_generator::Service* service, grpc_generator::Printer* out);
56   bool PrintServicer(const grpc_generator::Service* service,
57                      grpc_generator::Printer* out);
58   bool PrintStub(const grpc::string& package_qualified_service_name,
59                  const grpc_generator::Service* service,
60                  grpc_generator::Printer* out);
61
62   bool PrintBetaServicer(const grpc_generator::Service* service,
63                          grpc_generator::Printer* out);
64   bool PrintBetaServerFactory(
65       const grpc::string& package_qualified_service_name,
66       const grpc_generator::Service* service, grpc_generator::Printer* out);
67   bool PrintBetaStub(const grpc_generator::Service* service,
68                      grpc_generator::Printer* out);
69   bool PrintBetaStubFactory(const grpc::string& package_qualified_service_name,
70                             const grpc_generator::Service* service,
71                             grpc_generator::Printer* out);
72
73   // Get all comments (leading, leading_detached, trailing) and print them as a
74   // docstring. Any leading space of a line will be removed, but the line
75   // wrapping will not be changed.
76   void PrintAllComments(std::vector<grpc::string> comments,
77                         grpc_generator::Printer* out);
78 };
79
80 }  // namespace
81
82 }  // namespace grpc_python_generator
83
84 #endif  // GRPC_INTERNAL_COMPILER_PYTHON_PRIVATE_GENERATOR_H