Source/cmMessageCommand.h

   1 /*=========================================================================
   2
   3   Program:   CMake - Cross-Platform Makefile Generator
   4   Module:    $RCSfile: cmMessageCommand.h,v $
   5   Language:  C++
   6   Date:      $Date: 2009-03-06 17:06:43 $
   7   Version:   $Revision: 1.18 $
   8
   9   Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
  10   See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
  11
  12      This software is distributed WITHOUT ANY WARRANTY; without even
  13      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  14      PURPOSE.  See the above copyright notices for more information.
  15
  16 =========================================================================*/
  17 #ifndef cmMessageCommand_h
  18 #define cmMessageCommand_h
  19
  20 #include "cmCommand.h"
  21
  22 /** \class cmMessageCommand
  23  * \brief Displays a message to the user
  24  *
  25  */
  26 class cmMessageCommand : public cmCommand
  27 {
  28 public:
  29   /**
  30    * This is a virtual constructor for the command.
  31    */
  32   virtual cmCommand* Clone()
  33     {
  34     return new cmMessageCommand;
  35     }
  36
  37   /**
  38    * This is called when the command is first encountered in
  39    * the CMakeLists.txt file.
  40    */
  41   virtual bool InitialPass(std::vector<std::string> const& args,
  42                            cmExecutionStatus &status);
  43
  44   /**
  45    * The name of the command as specified in CMakeList.txt.
  46    */
  47   virtual const char* GetName() { return "message";}
  48
  49   /**
  50    * This determines if the command is invoked when in script mode.
  51    */
  52   virtual bool IsScriptable() { return true; }
  53
  54   /**
  55    * Succinct documentation.
  56    */
  57   virtual const char* GetTerseDocumentation()
  58     {
  59     return "Display a message to the user.";
  60     }
  61
  62   /**
  63    * More documentation.
  64    */
  65   virtual const char* GetFullDocumentation()
  66     {
  67     return
  68       "  message([STATUS|WARNING|AUTHOR_WARNING|FATAL_ERROR|SEND_ERROR]\n"
  69       "          \"message to display\" ...)\n"
  70       "The optional keyword determines the type of message:\n"
  71       "  (none)         = Important information\n"
  72       "  STATUS         = Incidental information\n"
  73       "  WARNING        = CMake Warning, continue processing\n"
  74       "  AUTHOR_WARNING = CMake Warning (dev), continue processing\n"
  75       "  SEND_ERROR     = CMake Error, continue but skip generation\n"
  76       "  FATAL_ERROR    = CMake Error, stop all processing\n"
  77       "The CMake command-line tool displays STATUS messages on stdout "
  78       "and all other message types on stderr.  "
  79       "The CMake GUI displays all messages in its log area.  "
  80       "The interactive dialogs (ccmake and CMakeSetup) show STATUS messages "
  81       "one at a time on a status line and other messages in interactive "
  82       "pop-up boxes."
  83       "\n"
  84       "CMake Warning and Error message text displays using a simple "
  85       "markup language.  "
  86       "Non-indented text is formatted in line-wrapped paragraphs delimited "
  87       "by newlines.  "
  88       "Indented text is considered pre-formatted."
  89       ;
  90     }
  91
  92   cmTypeMacro(cmMessageCommand, cmCommand);
  93 };
  94
  95
  96 #endif