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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* 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.
*
*/
#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 grpc::string GetCommentsHelper(const DescriptorType *desc, bool leading,
const grpc::string &prefix) {
return grpc_generator::GetPrefixedComments(desc, leading, prefix);
}
class ProtoBufMethod : public grpc_generator::Method {
public:
ProtoBufMethod(const grpc::protobuf::MethodDescriptor *method)
: method_(method) {}
grpc::string name() const { return method_->name(); }
grpc::string input_type_name() const {
return grpc_cpp_generator::ClassName(method_->input_type(), true);
}
grpc::string output_type_name() const {
return grpc_cpp_generator::ClassName(method_->output_type(), true);
}
grpc::string get_input_type_name() const {
return method_->input_type()->file()->name();
}
grpc::string get_output_type_name() const {
return method_->output_type()->file()->name();
}
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 {
return grpc_python_generator::GetModuleAndMessagePath(
method_->input_type(), str, generator_file_name, generate_in_pb2_grpc,
import_prefix);
}
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 {
return grpc_python_generator::GetModuleAndMessagePath(
method_->output_type(), str, generator_file_name, generate_in_pb2_grpc,
import_prefix);
}
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();
}
grpc::string GetLeadingComments(const grpc::string prefix) const {
return GetCommentsHelper(method_, true, prefix);
}
grpc::string GetTrailingComments(const grpc::string prefix) const {
return GetCommentsHelper(method_, false, prefix);
}
vector<grpc::string> 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) {}
grpc::string 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)));
};
grpc::string GetLeadingComments(const grpc::string prefix) const {
return GetCommentsHelper(service_, true, prefix);
}
grpc::string GetTrailingComments(const grpc::string prefix) const {
return GetCommentsHelper(service_, false, prefix);
}
vector<grpc::string> GetAllComments() const {
return grpc_python_generator::get_all_comments(service_);
}
private:
const grpc::protobuf::ServiceDescriptor *service_;
};
class ProtoBufPrinter : public grpc_generator::Printer {
public:
ProtoBufPrinter(grpc::string *str)
: output_stream_(str), printer_(&output_stream_, '$') {}
void Print(const std::map<grpc::string, grpc::string> &vars,
const char *string_template) {
printer_.Print(vars, string_template);
}
void Print(const char *string) { printer_.Print(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) {}
grpc::string filename() const { return file_->name(); }
grpc::string filename_without_ext() const {
return grpc_generator::StripProto(filename());
}
grpc::string package() const { return file_->package(); }
std::vector<grpc::string> package_parts() const {
return grpc_generator::tokenize(package(), ".");
}
grpc::string 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(
grpc::string *str) const {
return std::unique_ptr<grpc_generator::Printer>(new ProtoBufPrinter(str));
}
grpc::string GetLeadingComments(const grpc::string prefix) const {
return GetCommentsHelper(file_, true, prefix);
}
grpc::string GetTrailingComments(const grpc::string prefix) const {
return GetCommentsHelper(file_, false, prefix);
}
vector<grpc::string> GetAllComments() const {
return grpc_python_generator::get_all_comments(file_);
}
private:
const grpc::protobuf::FileDescriptor *file_;
};
#endif // GRPC_INTERNAL_COMPILER_PROTOBUF_PLUGIN_H
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