85 lines
3.2 KiB
C++
85 lines
3.2 KiB
C++
/*
|
|
*
|
|
* Copyright 2014, 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.
|
|
*
|
|
*/
|
|
|
|
// Generates go gRPC service interface out of Protobuf IDL.
|
|
//
|
|
// This is a Proto2 compiler plugin. See net/proto2/compiler/proto/plugin.proto
|
|
// and net/proto2/compiler/public/plugin.h for more information on plugins.
|
|
|
|
#include <fstream>
|
|
#include <memory>
|
|
#include <string>
|
|
|
|
#include "./go_generator.h"
|
|
#include <google/protobuf/compiler/code_generator.h>
|
|
#include <google/protobuf/compiler/plugin.h>
|
|
#include <google/protobuf/io/coded_stream.h>
|
|
#include <google/protobuf/io/zero_copy_stream.h>
|
|
#include <google/protobuf/descriptor.h>
|
|
|
|
using namespace std;
|
|
|
|
class GoGrpcGenerator : public google::protobuf::compiler::CodeGenerator {
|
|
public:
|
|
GoGrpcGenerator() {}
|
|
virtual ~GoGrpcGenerator() {}
|
|
|
|
virtual bool Generate(const google::protobuf::FileDescriptor* file,
|
|
const string& parameter,
|
|
google::protobuf::compiler::GeneratorContext* context,
|
|
string* error) const {
|
|
// Get output file name.
|
|
string file_name;
|
|
if (file->name().size() > 6 &&
|
|
file->name().find_last_of(".proto") == file->name().size() - 1) {
|
|
file_name =
|
|
file->name().substr(0, file->name().size() - 6) + "_grpc.pb.go";
|
|
} else {
|
|
*error = "Invalid proto file name. Proto file must end with .proto";
|
|
return false;
|
|
}
|
|
|
|
unique_ptr<google::protobuf::io::ZeroCopyOutputStream> output(
|
|
context->Open(file_name));
|
|
google::protobuf::io::CodedOutputStream coded_out(output.get());
|
|
string code = grpc_go_generator::GetServices(file);
|
|
coded_out.WriteRaw(code.data(), code.size());
|
|
return true;
|
|
}
|
|
};
|
|
|
|
int main(int argc, char* argv[]) {
|
|
GoGrpcGenerator generator;
|
|
return google::protobuf::compiler::PluginMain(argc, argv, &generator);
|
|
}
|