/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying

   file LICENSE.rst or https://cmake.org/licensing for details.  */

#pragma once

#include "cmConfigure.h" // IWYU pragma: keep

#include <string>

class cmPlaceholderExpander

{

public:

  enum class HandleGenex

  {

    No,

    Yes

  };

  virtual ~cmPlaceholderExpander() = default;

  std::string& ExpandVariables(std::string& string,

                               HandleGenex handleGenex = HandleGenex::No);

protected:

  virtual std::string ExpandVariable(std::string const& variable) = 0;

};