Function HandleConfigureCommand

Source/cmFileCommand.cxx:3558–3683

}

bool HandleConfigureCommand(std::vector<std::string> const& args,
                            cmExecutionStatus& status)
{
  struct Arguments : public ArgumentParser::ParseResult
  {
    cm::optional<std::string> Output;
    cm::optional<std::string> Content;
    bool EscapeQuotes = false;
    bool AtOnly = false;
    // "NEWLINE_STYLE" requires one value, but we use a custom check below.
    ArgumentParser::Maybe<std::string> NewlineStyle;
  };

  static auto const parser =
    cmArgumentParser<Arguments>{}
      .Bind("OUTPUT"_s, &Arguments::Output)
      .Bind("CONTENT"_s, &Arguments::Content)
      .Bind("ESCAPE_QUOTES"_s, &Arguments::EscapeQuotes)
      .Bind("@ONLY"_s, &Arguments::AtOnly)
      .Bind("NEWLINE_STYLE"_s, &Arguments::NewlineStyle);

  std::vector<std::string> unrecognizedArguments;
  auto parsedArgs =
    parser.Parse(cmMakeRange(args).advance(1), &unrecognizedArguments);

  auto argIt = unrecognizedArguments.begin();
  if (argIt != unrecognizedArguments.end()) {
    status.SetError(
      cmStrCat("CONFIGURE Unrecognized argument: \"", *argIt, '"'));
    cmSystemTools::SetFatalErrorOccurred();
    return false;
  }

  if (parsedArgs.MaybeReportError(status.GetMakefile())) {
    cmSystemTools::SetFatalErrorOccurred();
    return true;
  }

  if (!parsedArgs.Output) {
    status.SetError("CONFIGURE OUTPUT option is mandatory.");
    cmSystemTools::SetFatalErrorOccurred();
    return false;
  }
  if (!parsedArgs.Content) {
    status.SetError("CONFIGURE CONTENT option is mandatory.");
    cmSystemTools::SetFatalErrorOccurred();
    return false;
  }

  std::string errorMessage;
  cmNewLineStyle newLineStyle;
  if (!newLineStyle.ReadFromArguments(args, errorMessage)) {
    status.SetError(cmStrCat("CONFIGURE ", errorMessage));
    return false;
  }

  // Check for generator expressions
  std::string outputFile = cmSystemTools::CollapseFullPath(