diff options
| author | Devtools Arcadia <[email protected]> | 2022-02-07 18:08:42 +0300 |
|---|---|---|
| committer | Devtools Arcadia <[email protected]> | 2022-02-07 18:08:42 +0300 |
| commit | 1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch) | |
| tree | e26c9fed0de5d9873cce7e00bc214573dc2195b7 /contrib/libs/grpc/src/compiler/protobuf_plugin.h | |
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'contrib/libs/grpc/src/compiler/protobuf_plugin.h')
| -rw-r--r-- | contrib/libs/grpc/src/compiler/protobuf_plugin.h | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/contrib/libs/grpc/src/compiler/protobuf_plugin.h b/contrib/libs/grpc/src/compiler/protobuf_plugin.h new file mode 100644 index 00000000000..ef844ea0551 --- /dev/null +++ b/contrib/libs/grpc/src/compiler/protobuf_plugin.h @@ -0,0 +1,206 @@ +/* + * + * Copyright 2015 gRPC authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#ifndef GRPC_INTERNAL_COMPILER_PROTOBUF_PLUGIN_H +#define GRPC_INTERNAL_COMPILER_PROTOBUF_PLUGIN_H + +#include "src/compiler/config.h" +#include "src/compiler/cpp_generator_helpers.h" +#include "src/compiler/python_generator_helpers.h" +#include "src/compiler/python_private_generator.h" +#include "src/compiler/schema_interface.h" + +#include <vector> + +// Get leading or trailing comments in a string. +template <typename DescriptorType> +inline TString GetCommentsHelper(const DescriptorType* desc, bool leading, + const TString& prefix) { + return grpc_generator::GetPrefixedComments(desc, leading, prefix); +} + +class ProtoBufMethod : public grpc_generator::Method { + public: + ProtoBufMethod(const grpc::protobuf::MethodDescriptor* method) + : method_(method) {} + + TString name() const { return method_->name(); } + + TString input_type_name() const { + return grpc_cpp_generator::ClassName(method_->input_type(), true); + } + TString output_type_name() const { + return grpc_cpp_generator::ClassName(method_->output_type(), true); + } + + TString get_input_type_name() const { + return method_->input_type()->file()->name(); + } + TString get_output_type_name() const { + return method_->output_type()->file()->name(); + } + + // TODO(https://github.com/grpc/grpc/issues/18800): Clean this up. + bool get_module_and_message_path_input( + TString* str, TString generator_file_name, + bool generate_in_pb2_grpc, TString import_prefix, + const std::vector<TString>& prefixes_to_filter) const final { + return grpc_python_generator::GetModuleAndMessagePath( + method_->input_type(), str, generator_file_name, generate_in_pb2_grpc, + import_prefix, prefixes_to_filter); + } + + bool get_module_and_message_path_output( + TString* str, TString generator_file_name, + bool generate_in_pb2_grpc, TString import_prefix, + const std::vector<TString>& prefixes_to_filter) const final { + return grpc_python_generator::GetModuleAndMessagePath( + method_->output_type(), str, generator_file_name, generate_in_pb2_grpc, + import_prefix, prefixes_to_filter); + } + + bool NoStreaming() const { + return !method_->client_streaming() && !method_->server_streaming(); + } + + bool ClientStreaming() const { return method_->client_streaming(); } + + bool ServerStreaming() const { return method_->server_streaming(); } + + bool BidiStreaming() const { + return method_->client_streaming() && method_->server_streaming(); + } + + TString GetLeadingComments(const TString prefix) const { + return GetCommentsHelper(method_, true, prefix); + } + + TString GetTrailingComments(const TString prefix) const { + return GetCommentsHelper(method_, false, prefix); + } + + vector<TString> GetAllComments() const { + return grpc_python_generator::get_all_comments(method_); + } + + private: + const grpc::protobuf::MethodDescriptor* method_; +}; + +class ProtoBufService : public grpc_generator::Service { + public: + ProtoBufService(const grpc::protobuf::ServiceDescriptor* service) + : service_(service) {} + + TString name() const { return service_->name(); } + + int method_count() const { return service_->method_count(); } + std::unique_ptr<const grpc_generator::Method> method(int i) const { + return std::unique_ptr<const grpc_generator::Method>( + new ProtoBufMethod(service_->method(i))); + } + + TString GetLeadingComments(const TString prefix) const { + return GetCommentsHelper(service_, true, prefix); + } + + TString GetTrailingComments(const TString prefix) const { + return GetCommentsHelper(service_, false, prefix); + } + + vector<TString> GetAllComments() const { + return grpc_python_generator::get_all_comments(service_); + } + + private: + const grpc::protobuf::ServiceDescriptor* service_; +}; + +class ProtoBufPrinter : public grpc_generator::Printer { + public: + ProtoBufPrinter(TString* str) + : output_stream_(str), printer_(&output_stream_, '$') {} + + void Print(const std::map<TString, TString>& vars, + const char* string_template) { + printer_.Print(vars, string_template); + } + + void Print(const char* string) { printer_.Print(string); } + void PrintRaw(const char* string) { printer_.PrintRaw(string); } + void Indent() { printer_.Indent(); } + void Outdent() { printer_.Outdent(); } + + private: + grpc::protobuf::io::StringOutputStream output_stream_; + grpc::protobuf::io::Printer printer_; +}; + +class ProtoBufFile : public grpc_generator::File { + public: + ProtoBufFile(const grpc::protobuf::FileDescriptor* file) : file_(file) {} + + TString filename() const { return file_->name(); } + TString filename_without_ext() const { + return grpc_generator::StripProto(filename()); + } + + TString package() const { return file_->package(); } + std::vector<TString> package_parts() const { + return grpc_generator::tokenize(package(), "."); + } + + TString additional_headers() const { return ""; } + + int service_count() const { return file_->service_count(); } + std::unique_ptr<const grpc_generator::Service> service(int i) const { + return std::unique_ptr<const grpc_generator::Service>( + new ProtoBufService(file_->service(i))); + } + + std::unique_ptr<grpc_generator::Printer> CreatePrinter( + TString* str) const { + return std::unique_ptr<grpc_generator::Printer>(new ProtoBufPrinter(str)); + } + + TString GetLeadingComments(const TString prefix) const { + return GetCommentsHelper(file_, true, prefix); + } + + TString GetTrailingComments(const TString prefix) const { + return GetCommentsHelper(file_, false, prefix); + } + + vector<TString> GetAllComments() const { + return grpc_python_generator::get_all_comments(file_); + } + + vector<TString> GetImportNames() const { + vector<TString> proto_names; + for (int i = 0; i < file_->dependency_count(); ++i) { + const auto& dep = *file_->dependency(i); + proto_names.push_back(dep.name()); + } + return proto_names; + } + + private: + const grpc::protobuf::FileDescriptor* file_; +}; + +#endif // GRPC_INTERNAL_COMPILER_PROTOBUF_PLUGIN_H |
