1 #include <iostream>
2 #include <string>
3
4 #ifdef _WIN32
5 #include <fcntl.h>
6 #else
7 #include <unistd.h>
8 #endif
9
10 #include "google/protobuf/descriptor.pb.h"
11 #include "absl/flags/flag.h"
12 #include "absl/flags/parse.h"
13 #include "absl/log/absl_log.h"
14 #include "absl/strings/escaping.h"
15
16 #if defined(_WIN32)
17 #include "google/protobuf/io/io_win32.h"
18
19 // DO NOT include <io.h>, instead create functions in io_win32.{h,cc} and import
20 // them like we do below.
21 using google::protobuf::io::win32::setmode;
22 #endif
23
24 ABSL_FLAG(std::string, encoding, "octal",
25 "The encoding to use for the output.");
26
main(int argc,char * argv[])27 int main(int argc, char *argv[]) {
28 absl::ParseCommandLine(argc, argv);
29 #ifdef _WIN32
30 setmode(STDIN_FILENO, _O_BINARY);
31 setmode(STDOUT_FILENO, _O_BINARY);
32 #endif
33 google::protobuf::FeatureSetDefaults defaults;
34 if (!defaults.ParseFromFileDescriptor(STDIN_FILENO)) {
35 std::cerr << argv[0] << ": unable to parse edition defaults." << std::endl;
36 return 1;
37 }
38 std::string output;
39 defaults.SerializeToString(&output);
40 std::string encoding = absl::GetFlag(FLAGS_encoding);
41 if (encoding == "base64") {
42 std::cout << absl::Base64Escape(output);
43 } else if (encoding == "octal") {
44 std::cout << absl::CEscape(output);
45 } else {
46 ABSL_LOG(FATAL) << "Unknown encoding: " << encoding;
47 }
48 return 0;
49 }
50