Function HandleTransformPathCommand

Source/cmCMakePathCommand.cxx:481–532

}

bool HandleTransformPathCommand(
  std::vector<std::string> const& args, cmExecutionStatus& status,
  std::function<cmCMakePath(cmCMakePath const&,
                            std::string const& base)> const& transform,
  bool normalizeOption = false)
{
  struct Arguments : public ArgumentParser::ParseResult
  {
    cm::optional<ArgumentParser::NonEmpty<std::string>> Output;
    cm::optional<std::string> BaseDirectory;
    bool Normalize = false;
  };

  auto parser = ArgumentParserWithOutputVariable<Arguments>{}.Bind(
    "BASE_DIRECTORY"_s, &Arguments::BaseDirectory);
  if (normalizeOption) {
    parser.Bind("NORMALIZE"_s, &Arguments::Normalize);
  }

  Arguments arguments = parser.Parse(args);

  if (arguments.MaybeReportError(status.GetMakefile())) {
    return true;
  }

  if (!parser.GetInputs().empty()) {
    status.SetError(cmStrCat(args[0], " called with unexpected arguments."));
    return false;
  }

  std::string baseDirectory;
  if (arguments.BaseDirectory) {
    baseDirectory = *arguments.BaseDirectory;
  } else {
    baseDirectory = status.GetMakefile().GetCurrentSourceDirectory();
  }

  std::string inputPath;
  if (!getInputPath(args[1], status, inputPath)) {
    return false;
  }

  auto path = transform(cmCMakePath(inputPath), baseDirectory);
  if (arguments.Normalize) {
    path = path.Normal();
  }

  status.GetMakefile().AddDefinition(
    arguments.Output ? *arguments.Output : args[1], path.String());

  return true;
}

bool HandleRelativePathCommand(std::vector<std::string> const& args,
                               cmExecutionStatus& status)