Protocol Buffers - Google's data interchange format (grpc依赖) https://developers.google.com/protocol-buffers/
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// Copyright (c) 2009-2021, Google LLC
// 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 LLC 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 Google LLC 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.
#include "protos_generator/output.h"
#include <string>
#include "absl/strings/str_replace.h"
namespace protos_generator {
namespace {
namespace protobuf = ::google::protobuf;
} // namespace
std::string StripExtension(absl::string_view fname) {
size_t lastdot = fname.find_last_of('.');
if (lastdot == std::string::npos) {
return std::string(fname);
}
return std::string(fname.substr(0, lastdot));
}
std::string ToCIdent(absl::string_view str) {
return absl::StrReplaceAll(str, {{".", "_"}, {"/", "_"}, {"-", "_"}});
}
std::string ToPreproc(absl::string_view str) {
return absl::AsciiStrToUpper(ToCIdent(str));
}
void EmitFileWarning(const protobuf::FileDescriptor* file, Output& output) {
output(
R"cc(
/* This file was generated by protos_generator (the upb C++ compiler) "
from the input
* file:
*
* $0
*
* Do not edit -- your changes will be discarded when the file is
* regenerated. */
)cc",
file->name());
output("\n");
}
std::string MessageName(const protobuf::Descriptor* descriptor) {
return ToCIdent(descriptor->full_name());
}
std::string FileLayoutName(const google::protobuf::FileDescriptor* file) {
return ToCIdent(file->name()) + "_upb_file_layout";
}
std::string CHeaderFilename(const google::protobuf::FileDescriptor* file) {
return StripExtension(file->name()) + ".upb.h";
}
std::string CSourceFilename(const google::protobuf::FileDescriptor* file) {
return StripExtension(file->name()) + ".upb.c";
}
} // namespace protos_generator