| /* |
| * |
| * 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_SCHEMA_INTERFACE_H |
| #define GRPC_INTERNAL_COMPILER_SCHEMA_INTERFACE_H |
| |
| #include "src/compiler/config.h" |
| |
| #include <memory> |
| #include <vector> |
| |
| #ifndef GRPC_CUSTOM_STRING |
| #include <string> |
| #define GRPC_CUSTOM_STRING std::string |
| #endif |
| |
| namespace grpc { |
| |
| typedef GRPC_CUSTOM_STRING string; |
| |
| } // namespace grpc |
| |
| namespace grpc_generator { |
| |
| // A common interface for objects having comments in the source. |
| // Return formatted comments to be inserted in generated code. |
| struct CommentHolder { |
| virtual ~CommentHolder() {} |
| virtual grpc::string GetLeadingComments(const grpc::string prefix) const = 0; |
| virtual grpc::string GetTrailingComments(const grpc::string prefix) const = 0; |
| virtual std::vector<grpc::string> GetAllComments() const = 0; |
| }; |
| |
| // An abstract interface representing a method. |
| struct Method : public CommentHolder { |
| virtual ~Method() {} |
| |
| virtual grpc::string name() const = 0; |
| |
| virtual grpc::string input_type_name() const = 0; |
| virtual grpc::string output_type_name() const = 0; |
| |
| virtual bool get_module_and_message_path_input( |
| grpc::string* str, grpc::string generator_file_name, |
| bool generate_in_pb2_grpc, grpc::string import_prefix) const = 0; |
| virtual bool get_module_and_message_path_output( |
| grpc::string* str, grpc::string generator_file_name, |
| bool generate_in_pb2_grpc, grpc::string import_prefix) const = 0; |
| |
| virtual grpc::string get_input_type_name() const = 0; |
| virtual grpc::string get_output_type_name() const = 0; |
| virtual bool NoStreaming() const = 0; |
| virtual bool ClientStreaming() const = 0; |
| virtual bool ServerStreaming() const = 0; |
| virtual bool BidiStreaming() const = 0; |
| }; |
| |
| // An abstract interface representing a service. |
| struct Service : public CommentHolder { |
| virtual ~Service() {} |
| |
| virtual grpc::string name() const = 0; |
| |
| virtual int method_count() const = 0; |
| virtual std::unique_ptr<const Method> method(int i) const = 0; |
| }; |
| |
| struct Printer { |
| virtual ~Printer() {} |
| |
| virtual void Print(const std::map<grpc::string, grpc::string>& vars, |
| const char* template_string) = 0; |
| virtual void Print(const char* string) = 0; |
| virtual void Indent() = 0; |
| virtual void Outdent() = 0; |
| }; |
| |
| // An interface that allows the source generated to be output using various |
| // libraries/idls/serializers. |
| struct File : public CommentHolder { |
| virtual ~File() {} |
| |
| virtual grpc::string filename() const = 0; |
| virtual grpc::string filename_without_ext() const = 0; |
| virtual grpc::string package() const = 0; |
| virtual std::vector<grpc::string> package_parts() const = 0; |
| virtual grpc::string additional_headers() const = 0; |
| |
| virtual int service_count() const = 0; |
| virtual std::unique_ptr<const Service> service(int i) const = 0; |
| |
| virtual std::unique_ptr<Printer> CreatePrinter(grpc::string* str) const = 0; |
| }; |
| } // namespace grpc_generator |
| |
| #endif // GRPC_INTERNAL_COMPILER_SCHEMA_INTERFACE_H |