/*=========================================================================

  Program:   CMake - Cross-Platform Makefile Generator
  Module:    $RCSfile: cmLoadCommandCommand.h,v $
  Language:  C++
  Date:      $Date: 2008-01-23 15:27:59 $
  Version:   $Revision: 1.9 $

  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
  See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef cmLoadCommandCommand_h
#define cmLoadCommandCommand_h

#include "cmCommand.h"

/** \class cmLoadCommandCommand
 * \brief Load in a Command plugin
 *
 * cmLoadCommandCommand loads a command into CMake
 */
class cmLoadCommandCommand : public cmCommand
{
public:
  /**
   * This is a virtual constructor for the command.
   */
  virtual cmCommand* Clone() 
    {
    return new cmLoadCommandCommand;
    }

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

  /**
   * The name of the command as specified in CMakeList.txt.
   */
  virtual const char* GetName() {return "load_command";}
  
  /**
   * Succinct documentation.
   */
  virtual const char* GetTerseDocumentation() 
    {
    return "Load a command into a running CMake.";
    }
  
  /**
   * More documentation.
   */
  virtual const char* GetFullDocumentation()
    {
    return
      "  load_command(COMMAND_NAME <loc1> [loc2 ...])\n"
      "The given locations are searched for a library whose name is "
      "cmCOMMAND_NAME.  If found, it is loaded as a module and the command "
      "is added to the set of available CMake commands.  Usually, "
      "TRY_COMPILE is used before this command to compile the module. "
      "If the command is successfully loaded a variable named\n"
      "  CMAKE_LOADED_COMMAND_<COMMAND_NAME>\n"
      "will be set to the full path of the module that was loaded.  "
      "Otherwise the variable will not be set.";
    }
  
  cmTypeMacro(cmLoadCommandCommand, cmCommand);
};



#endif
