120 lines
3.8 KiB
C++
120 lines
3.8 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 <map>
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#include <memory>
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#include <vector>
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#ifndef GRPC_CUSTOM_STRING
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# include <string>
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# define GRPC_CUSTOM_STRING std::string
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#endif
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namespace grpc {
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typedef GRPC_CUSTOM_STRING string;
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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 grpc::string GetLeadingComments(const grpc::string prefix) const = 0;
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virtual grpc::string GetTrailingComments(const grpc::string prefix) const = 0;
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virtual std::vector<grpc::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 grpc::string name() const = 0;
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virtual grpc::string input_type_name() const = 0;
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virtual grpc::string output_type_name() const = 0;
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virtual bool get_module_and_message_path_input(
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grpc::string *str, grpc::string generator_file_name,
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bool generate_in_pb2_grpc, grpc::string import_prefix) const = 0;
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virtual bool get_module_and_message_path_output(
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grpc::string *str, grpc::string generator_file_name,
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bool generate_in_pb2_grpc, grpc::string import_prefix) const = 0;
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virtual std::vector<grpc::string> get_input_namespace_parts() const = 0;
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virtual grpc::string get_input_type_name() const = 0;
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virtual std::vector<grpc::string> get_output_namespace_parts() const = 0;
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virtual grpc::string get_output_type_name() const = 0;
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virtual grpc::string get_fb_builder() 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::vector<grpc::string> namespace_parts() const = 0;
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virtual grpc::string name() const = 0;
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virtual bool is_internal() 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<grpc::string, grpc::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 SetIndentationSize(const size_t size) = 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 grpc::string filename() const = 0;
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virtual grpc::string filename_without_ext() const = 0;
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virtual grpc::string package() const = 0;
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virtual std::vector<grpc::string> package_parts() const = 0;
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virtual grpc::string additional_headers() const = 0;
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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(
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grpc::string *str, const char indentation_type = ' ') 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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