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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.
#include <google/protobuf/compiler/code_generator.h>
#include <google/protobuf/stubs/logging.h>
#include <google/protobuf/stubs/common.h>
#include <google/protobuf/compiler/plugin.pb.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/stubs/strutil.h>
namespace google {
namespace protobuf {
namespace compiler {
CodeGenerator::~CodeGenerator() {}
bool CodeGenerator::GenerateAll(const std::vector<const FileDescriptor*>& files,
const TProtoStringType& parameter,
GeneratorContext* generator_context,
TProtoStringType* error) const {
// Default implementation is just to call the per file method, and prefix any
// error string with the file to provide context.
bool succeeded = true;
for (int i = 0; i < files.size(); i++) {
const FileDescriptor* file = files[i];
succeeded = Generate(file, parameter, generator_context, error);
if (!succeeded && error && error->empty()) {
*error =
"Code generator returned false but provided no error "
"description.";
}
if (error && !error->empty()) {
*error = file->name() + ": " + *error;
break;
}
if (!succeeded) {
break;
}
}
return succeeded;
}
GeneratorContext::~GeneratorContext() {}
io::ZeroCopyOutputStream* GeneratorContext::OpenForAppend(
const TProtoStringType& filename) {
return nullptr;
}
io::ZeroCopyOutputStream* GeneratorContext::OpenForInsert(
const TProtoStringType& filename, const TProtoStringType& insertion_point) {
GOOGLE_LOG(FATAL) << "This GeneratorContext does not support insertion.";
return nullptr; // make compiler happy
}
io::ZeroCopyOutputStream* GeneratorContext::OpenForInsertWithGeneratedCodeInfo(
const TProtoStringType& filename, const TProtoStringType& insertion_point,
const google::protobuf::GeneratedCodeInfo& /*info*/) {
return OpenForInsert(filename, insertion_point);
}
void GeneratorContext::ListParsedFiles(
std::vector<const FileDescriptor*>* output) {
GOOGLE_LOG(FATAL) << "This GeneratorContext does not support ListParsedFiles";
}
void GeneratorContext::GetCompilerVersion(Version* version) const {
version->set_major(GOOGLE_PROTOBUF_VERSION / 1000000);
version->set_minor(GOOGLE_PROTOBUF_VERSION / 1000 % 1000);
version->set_patch(GOOGLE_PROTOBUF_VERSION % 1000);
version->set_suffix(GOOGLE_PROTOBUF_VERSION_SUFFIX);
}
// Parses a set of comma-delimited name/value pairs.
void ParseGeneratorParameter(
const TProtoStringType& text,
std::vector<std::pair<TProtoStringType, TProtoStringType> >* output) {
std::vector<TProtoStringType> parts = Split(text, ",", true);
for (int i = 0; i < parts.size(); i++) {
TProtoStringType::size_type equals_pos = parts[i].find_first_of('=');
std::pair<TProtoStringType, TProtoStringType> value;
if (equals_pos == TProtoStringType::npos) {
value.first = parts[i];
value.second = "";
} else {
value.first = parts[i].substr(0, equals_pos);
value.second = parts[i].substr(equals_pos + 1);
}
output->push_back(value);
}
}
// Strips ".proto" or ".protodevel" from the end of a filename.
TProtoStringType StripProto(const TProtoStringType& filename) {
if (HasSuffixString(filename, ".protodevel")) {
return StripSuffixString(filename, ".protodevel");
} else {
return StripSuffixString(filename, ".proto");
}
}
} // namespace compiler
} // namespace protobuf
} // namespace google
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