120 lines
3.9 KiB
C++
120 lines
3.9 KiB
C++
/*
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*
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* Copyright 2015 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#ifndef GRPC_INTERNAL_COMPILER_SCHEMA_INTERFACE_H
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#define GRPC_INTERNAL_COMPILER_SCHEMA_INTERFACE_H
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#include <memory>
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#include <string>
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#include <vector>
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#include "src/compiler/config.h"
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#ifdef GRPC_CUSTOM_STRING
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#warning GRPC_CUSTOM_STRING is no longer supported. Please use std::string.
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#endif
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namespace grpc {
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// Using grpc::string and grpc::to_string is discouraged in favor of
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// std::string and std::to_string. This is only for legacy code using
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// them explictly.
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using std::string; // deprecated
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using std::to_string; // deprecated
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} // namespace grpc
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namespace grpc_generator {
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// A common interface for objects having comments in the source.
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// Return formatted comments to be inserted in generated code.
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struct CommentHolder {
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virtual ~CommentHolder() {}
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virtual std::string GetLeadingComments(const std::string prefix) const = 0;
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virtual std::string GetTrailingComments(const std::string prefix) const = 0;
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virtual std::vector<std::string> GetAllComments() const = 0;
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};
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// An abstract interface representing a method.
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struct Method : public CommentHolder {
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virtual ~Method() {}
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virtual std::string name() const = 0;
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virtual std::string input_type_name() const = 0;
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virtual std::string output_type_name() const = 0;
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virtual bool get_module_and_message_path_input(
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std::string* str, std::string generator_file_name,
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bool generate_in_pb2_grpc, std::string import_prefix,
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const std::vector<std::string>& prefixes_to_filter) const = 0;
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virtual bool get_module_and_message_path_output(
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std::string* str, std::string generator_file_name,
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bool generate_in_pb2_grpc, std::string import_prefix,
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const std::vector<std::string>& prefixes_to_filter) const = 0;
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virtual std::string get_input_type_name() const = 0;
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virtual std::string get_output_type_name() const = 0;
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virtual bool NoStreaming() const = 0;
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virtual bool ClientStreaming() const = 0;
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virtual bool ServerStreaming() const = 0;
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virtual bool BidiStreaming() const = 0;
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};
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// An abstract interface representing a service.
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struct Service : public CommentHolder {
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virtual ~Service() {}
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virtual std::string name() const = 0;
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virtual int method_count() const = 0;
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virtual std::unique_ptr<const Method> method(int i) const = 0;
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};
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struct Printer {
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virtual ~Printer() {}
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virtual void Print(const std::map<std::string, std::string>& vars,
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const char* template_string) = 0;
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virtual void Print(const char* string) = 0;
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virtual void PrintRaw(const char* string) = 0;
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virtual void Indent() = 0;
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virtual void Outdent() = 0;
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};
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// An interface that allows the source generated to be output using various
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// libraries/idls/serializers.
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struct File : public CommentHolder {
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virtual ~File() {}
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virtual std::string filename() const = 0;
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virtual std::string filename_without_ext() const = 0;
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virtual std::string package() const = 0;
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virtual std::vector<std::string> package_parts() const = 0;
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virtual std::string additional_headers() const = 0;
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virtual std::vector<std::string> GetImportNames() const { return {}; }
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virtual int service_count() const = 0;
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virtual std::unique_ptr<const Service> service(int i) const = 0;
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virtual std::unique_ptr<Printer> CreatePrinter(std::string* str) const = 0;
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};
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} // namespace grpc_generator
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#endif // GRPC_INTERNAL_COMPILER_SCHEMA_INTERFACE_H
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