1 /*
2 *
3 * Copyright 2016 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 // Generates PHP gRPC service interface out of Protobuf IDL.
20
21 #include <memory>
22
23 #include "src/compiler/config.h"
24 #include "src/compiler/php_generator.h"
25 #include "src/compiler/php_generator_helpers.h"
26
27 using google::protobuf::compiler::ParseGeneratorParameter;
28 using grpc_php_generator::GenerateFile;
29 using grpc_php_generator::GetPHPServiceFilename;
30
31 class PHPGrpcGenerator : public grpc::protobuf::compiler::CodeGenerator {
32 public:
PHPGrpcGenerator()33 PHPGrpcGenerator() {}
~PHPGrpcGenerator()34 ~PHPGrpcGenerator() {}
35
GetSupportedFeatures() const36 uint64_t GetSupportedFeatures() const override {
37 return FEATURE_PROTO3_OPTIONAL;
38 }
39
Generate(const grpc::protobuf::FileDescriptor * file,const std::string & parameter,grpc::protobuf::compiler::GeneratorContext * context,std::string * error) const40 bool Generate(const grpc::protobuf::FileDescriptor* file,
41 const std::string& parameter,
42 grpc::protobuf::compiler::GeneratorContext* context,
43 std::string* error) const override {
44 if (file->service_count() == 0) {
45 return true;
46 }
47
48 std::vector<std::pair<std::string, std::string> > options;
49 ParseGeneratorParameter(parameter, &options);
50
51 std::string class_suffix;
52 for (size_t i = 0; i < options.size(); ++i) {
53 if (options[i].first == "class_suffix") {
54 class_suffix = options[i].second;
55 } else {
56 *error = "unsupported options: " + options[i].first;
57 return false;
58 }
59 }
60
61 for (int i = 0; i < file->service_count(); i++) {
62 std::string code = GenerateFile(file, file->service(i), class_suffix);
63
64 // Get output file name
65 std::string file_name =
66 GetPHPServiceFilename(file, file->service(i), class_suffix);
67
68 std::unique_ptr<grpc::protobuf::io::ZeroCopyOutputStream> output(
69 context->Open(file_name));
70 grpc::protobuf::io::CodedOutputStream coded_out(output.get());
71 coded_out.WriteRaw(code.data(), code.size());
72 }
73
74 return true;
75 }
76 };
77
main(int argc,char * argv[])78 int main(int argc, char* argv[]) {
79 PHPGrpcGenerator generator;
80 return grpc::protobuf::compiler::PluginMain(argc, argv, &generator);
81 }
82