blob: 6f280fc1873d244878391fe5a8371098f43698ff [file] [log] [blame]
/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "sysprop_cpp"
#include <android-base/logging.h>
#include <android-base/result.h>
#include <cstdio>
#include <cstdlib>
#include <string>
#include <getopt.h>
#include "CppGen.h"
using android::base::Result;
namespace {
struct Arguments {
std::string input_file_path;
std::string header_dir;
std::string public_header_dir;
std::string source_dir;
std::string include_name;
};
[[noreturn]] void PrintUsage(const char* exe_name) {
std::printf(
"Usage: %s --header-dir dir --source-dir dir "
"--include-name name --public-header-dir dir "
"sysprop_file\n",
exe_name);
std::exit(EXIT_FAILURE);
}
Result<Arguments> ParseArgs(int argc, char* argv[]) {
Arguments ret;
for (;;) {
static struct option long_options[] = {
{"header-dir", required_argument, 0, 'h'},
{"public-header-dir", required_argument, 0, 'p'},
{"source-dir", required_argument, 0, 'c'},
{"include-name", required_argument, 0, 'n'},
};
int opt = getopt_long_only(argc, argv, "", long_options, nullptr);
if (opt == -1) break;
switch (opt) {
case 'h':
ret.header_dir = optarg;
break;
case 'p':
ret.public_header_dir = optarg;
break;
case 'c':
ret.source_dir = optarg;
break;
case 'n':
ret.include_name = optarg;
break;
default:
PrintUsage(argv[0]);
}
}
if (optind >= argc) {
return Errorf("No input file specified");
}
if (optind + 1 < argc) {
return Errorf("More than one input file");
}
if (ret.header_dir.empty() || ret.public_header_dir.empty() ||
ret.source_dir.empty() || ret.include_name.empty()) {
PrintUsage(argv[0]);
}
ret.input_file_path = argv[optind];
return ret;
}
} // namespace
int main(int argc, char* argv[]) {
Arguments args;
if (auto res = ParseArgs(argc, argv); res.ok()) {
args = std::move(*res);
} else {
LOG(ERROR) << argv[0] << ": " << res.error();
PrintUsage(argv[0]);
}
if (auto res = GenerateCppFiles(args.input_file_path, args.header_dir,
args.public_header_dir, args.source_dir,
args.include_name);
!res.ok()) {
LOG(FATAL) << "Error during generating cpp sysprop from "
<< args.input_file_path << ": " << res.error();
}
}