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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Author: kenton@google.com (Kenton Varda)
// Based on original Protocol Buffers design by
// Sanjay Ghemawat, Jeff Dean, and others.
#ifndef GOOGLE_PROTOBUF_COMPILER_CPP_SERVICE_H__
#define GOOGLE_PROTOBUF_COMPILER_CPP_SERVICE_H__
#include <string>
#include "google/protobuf/descriptor.h"
#include "y_absl/container/flat_hash_map.h"
#include "google/protobuf/compiler/cpp/options.h"
#include "google/protobuf/io/printer.h"
namespace google {
namespace protobuf {
namespace compiler {
namespace cpp {
class ServiceGenerator {
public:
// See generator.cc for the meaning of dllexport_decl.
ServiceGenerator(
const ServiceDescriptor* descriptor,
const y_absl::flat_hash_map<y_absl::string_view, TProtoStringType>& vars,
const Options& options)
: descriptor_(descriptor), options_(&options), vars_(vars) {
vars_["classname"] = descriptor_->name();
vars_["full_name"] = descriptor_->full_name();
}
ServiceGenerator(const ServiceGenerator&) = delete;
ServiceGenerator& operator=(const ServiceGenerator&) = delete;
ServiceGenerator(ServiceGenerator&&) = delete;
ServiceGenerator& operator=(ServiceGenerator&&) = delete;
~ServiceGenerator() = default;
// Generate the class definitions for the service's interface and the
// stub implementation.
void GenerateDeclarations(io::Printer* printer);
// Generate implementations of everything declared by
// GenerateDeclarations().
void GenerateImplementation(io::Printer* printer);
private:
enum RequestOrResponse { kRequest, kResponse };
enum VirtualOrNot { kVirtual, kNonVirtual };
// Prints signatures for all methods in the
void GenerateMethodSignatures(VirtualOrNot virtual_or_not,
io::Printer* printer);
// Generate the default implementations of the service methods, which
// produce a "not implemented" error.
void GenerateNotImplementedMethods(io::Printer* printer);
// Generate the CallMethod() method of the service.
void GenerateCallMethod(io::Printer* printer);
// Generate the Get{Request,Response}Prototype() methods.
void GenerateGetPrototype(RequestOrResponse which, io::Printer* printer);
// Generate the cases in CallMethod().
void GenerateCallMethodCases(io::Printer* printer);
// Generate the stub's implementations of the service methods.
void GenerateStubMethods(io::Printer* printer);
const ServiceDescriptor* descriptor_;
const Options* options_;
y_absl::flat_hash_map<y_absl::string_view, TProtoStringType> vars_;
int index_in_metadata_;
friend class FileGenerator;
};
} // namespace cpp
} // namespace compiler
} // namespace protobuf
} // namespace google
#endif // GOOGLE_PROTOBUF_COMPILER_CPP_SERVICE_H__
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