km3net-dataformat-version-main.cc

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#include "km3net-dataformat/version.hh"
 
#include <iostream>
#include <string>
 
namespace {
 
std::string jsonEscape(const std::string& input) {
  std::string output;
  for (const char character : input) {
    switch (character) {
      case '\"':
        output += "\\\"";
        break;
      case '\\':
        output += "\\\\";
        break;
      case '\b':
        output += "\\b";
        break;
      case '\f':
        output += "\\f";
        break;
      case '\n':
        output += "\\n";
        break;
      case '\r':
        output += "\\r";
        break;
      case '\t':
        output += "\\t";
        break;
      default:
        output += character;
        break;
    }
  }
  return output;
}
 
void printText() {
  std::cout
    << "package_name=" << km3net::dataformat::getPackageName() << '\n'
    << "version=" << km3net::dataformat::getVersion() << '\n'
    << "version_major=" << km3net::dataformat::getVersionMajor() << '\n'
    << "version_minor=" << km3net::dataformat::getVersionMinor() << '\n'
    << "version_patch=" << km3net::dataformat::getVersionPatch() << '\n'
    << "git_tag=" << km3net::dataformat::getGitTag() << '\n'
    << "git_describe=" << km3net::dataformat::getGitDescribe() << '\n'
    << "git_commit=" << km3net::dataformat::getGitCommit() << '\n'
    << "git_short_hash=" << km3net::dataformat::getShortHash() << '\n'
    << "git_dirty=" << (km3net::dataformat::getGitDirty() ? "true" : "false") << '\n'
    << "commits_since_tag=" << km3net::dataformat::getCommitsSinceTag() << '\n'
    << "source_available=" << (km3net::dataformat::hasVersionMetadata() ? "true" : "false") << '\n';
}
 
void printJson() {
  std::cout
    << "{\n"
    << "  \"package_name\": \"" << jsonEscape(km3net::dataformat::getPackageName()) << "\",\n"
    << "  \"version\": \"" << jsonEscape(km3net::dataformat::getVersion()) << "\",\n"
    << "  \"version_major\": " << km3net::dataformat::getVersionMajor() << ",\n"
    << "  \"version_minor\": " << km3net::dataformat::getVersionMinor() << ",\n"
    << "  \"version_patch\": " << km3net::dataformat::getVersionPatch() << ",\n"
    << "  \"git_tag\": \"" << jsonEscape(km3net::dataformat::getGitTag()) << "\",\n"
    << "  \"git_describe\": \"" << jsonEscape(km3net::dataformat::getGitDescribe()) << "\",\n"
    << "  \"git_commit\": \"" << jsonEscape(km3net::dataformat::getGitCommit()) << "\",\n"
    << "  \"git_short_hash\": \"" << jsonEscape(km3net::dataformat::getShortHash()) << "\",\n"
    << "  \"git_dirty\": " << (km3net::dataformat::getGitDirty() ? "true" : "false") << ",\n"
    << "  \"commits_since_tag\": " << km3net::dataformat::getCommitsSinceTag() << ",\n"
    << "  \"source_available\": " << (km3net::dataformat::hasVersionMetadata() ? "true" : "false") << '\n'
    << "}\n";
}
 
}
 
int main(int argc, char** argv) {
  if (argc == 1) {
    printText();
    return 0;
  }
 
  if (argc == 2 && std::string(argv[1]) == "--json") {
    printJson();
    return 0;
  }
 
  std::cerr << "usage: " << argv[0] << " [--json]\n";
 
  return 1;
}