/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   file Copyright.txt or https://cmake.org/licensing for details.  */
#ifndef cmStringCommand_h
#define cmStringCommand_h

#include "cmCommand.h"

class cmMakefile;
namespace cmsys {
class RegularExpression;
}

/** \class cmStringCommand
 * \brief Common string operations
 *
 */
class cmStringCommand : public cmCommand
{
public:
  /**
   * This is a virtual constructor for the command.
   */
  cmCommand* Clone() CM_OVERRIDE { return new cmStringCommand; }

  /**
   * This is called when the command is first encountered in
   * the CMakeLists.txt file.
   */
  bool InitialPass(std::vector<std::string> const& args,
                   cmExecutionStatus& status) CM_OVERRIDE;

  /**
   * This determines if the command is invoked when in script mode.
   */
  bool IsScriptable() const CM_OVERRIDE { return true; }

  /**
   * The name of the command as specified in CMakeList.txt.
   */
  std::string GetName() const CM_OVERRIDE { return "string"; }

  cmTypeMacro(cmStringCommand, cmCommand);

protected:
  bool HandleConfigureCommand(std::vector<std::string> const& args);
  bool HandleAsciiCommand(std::vector<std::string> const& args);
  bool HandleRegexCommand(std::vector<std::string> const& args);
  bool RegexMatch(std::vector<std::string> const& args);
  bool RegexMatchAll(std::vector<std::string> const& args);
  bool RegexReplace(std::vector<std::string> const& args);
  bool HandleHashCommand(std::vector<std::string> const& args);
  bool HandleToUpperLowerCommand(std::vector<std::string> const& args,
                                 bool toUpper);
  bool HandleCompareCommand(std::vector<std::string> const& args);
  bool HandleReplaceCommand(std::vector<std::string> const& args);
  bool HandleLengthCommand(std::vector<std::string> const& args);
  bool HandleSubstringCommand(std::vector<std::string> const& args);
  bool HandleAppendCommand(std::vector<std::string> const& args);
  bool HandleConcatCommand(std::vector<std::string> const& args);
  bool HandleStripCommand(std::vector<std::string> const& args);
  bool HandleRandomCommand(std::vector<std::string> const& args);
  bool HandleFindCommand(std::vector<std::string> const& args);
  bool HandleTimestampCommand(std::vector<std::string> const& args);
  bool HandleMakeCIdentifierCommand(std::vector<std::string> const& args);
  bool HandleGenexStripCommand(std::vector<std::string> const& args);
  bool HandleUuidCommand(std::vector<std::string> const& args);

  class RegexReplacement
  {
  public:
    RegexReplacement(const char* s)
      : number(-1)
      , value(s)
    {
    }
    RegexReplacement(const std::string& s)
      : number(-1)
      , value(s)
    {
    }
    RegexReplacement(int n)
      : number(n)
      , value()
    {
    }
    RegexReplacement() {}
    int number;
    std::string value;
  };
};

#endif