ssphys/SSPhys/HelpCommand.cpp

   1 // HelpCommand.cpp: implementation of the CHelpCommand class.
   2 //
   3 //////////////////////////////////////////////////////////////////////
   4
   5 #include "stdafx.h"
   6 #include "HelpCommand.h"
   7 #include "CommandFactory.h"
   8
   9 //////////////////////////////////////////////////////////////////////
  10 // Construction/Destruction
  11 //////////////////////////////////////////////////////////////////////
  12 extern void PrintUsage ();
  13
  14 bool CHelpCommand::SetArguments (CArguments& args)
  15 {
  16   if (m_pFactory && !args.empty ())
  17   {
  18     m_pCommand = std::auto_ptr<CCommand> (m_pFactory->MakeCommand (args.front ()));
  19     args.pop ();
  20     return true;
  21   }
  22   return false;
  23 }
  24
  25 void CHelpCommand::Execute ()
  26 {
  27   if (m_pCommand.get ())
  28   {
  29     m_pCommand->PrintUsage ();
  30   }
  31   else if (m_pFactory)
  32   {
  33     ::PrintUsage ();
  34   }
  35 }
  36
  37 bool CHelpCommand::SetOption (const COption& option)
  38 {
  39   return false;
  40 }