simpleTimeStringUtil.h

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/*******************************************************************************
** Copyright (c) 2004 MaK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: simpleTimeStringUtil.h,v $ $Revision: 1.2 $ $State: Exp $
*******************************************************************************/

#ifndef stringUtil_H_
#define stringUtil_H_

#include <string>
#include <sstream>
#include <iomanip>
#include <iostream>

using namespace std;

// Convert narrow C string to wide string
inline wstring DtToWString(const char * in_val)
{
   wstring temp;
   while (*in_val != '\0')
   temp += *in_val++;
   return temp;
}

// Convert narrow string to wide string
inline string DtToString(const wstring &in_val)
{
   string temp;
   wstring::const_iterator b = in_val.begin();
   const wstring::const_iterator e = in_val.end();
   while (b != e)
   {
      temp += static_cast<char>(*b);
      ++b;
   }
   return temp;
}


inline string usage()
{
   ostringstream ostr;
   ostr << "Usage: simpletime13/1516(e) [-fedFile <fedFileName>][-m <#>][-phaseLine <#>][-sleepTime <#>][-dedicated]\n"
      "                            [-unManaged][-advanceTimeWith <serviceName>][-available][-lookAhead <#>][-timeIncrement <#>]"
      << endl << endl

      << setw(35) << std::left << "-fedFile <fedFileName>"
      << "The FED file name.\n"
      << setw(35) << std::right << " " << std::left
      << "Default: MAKsimple.xml/fed.\n"
      << endl

      << setw(35) << "-m <numberOfFederates>"
      << "Whether this federate is the master and how many total federates are needed to synchronize.\n"
      << endl

      << setw(35) << "-phaseLine <numberUnits>"
      << "The open fire boundary, which when this federate crosses it, it is free to fire.\n"
      << setw(35) << std::right << " " << std::left
      << "Default: 550 units.\n"
      << endl

      << setw(35) << "-sleepTime <milliseconds>"
      << "The time in milliseconds to sleep between iterations of the main loop. \n"
      << setw(35) << std::right << " " << std::left
      << "Default: 850 ms. \n"
      << endl

      << setw(35) << "-dedicated"
      << "Execute as if this federate is on a dedicated machine for running this federate.\n"
      << setw(35) << std::right << " " << std::left
      << "Disables all sleeps and yields.\n"
      << endl

      << setw(35) << "-unManaged"
      << "Ignore the synchronization step before advancing time.\n"
      << endl

      << setw(35) << "-advanceTimeWith <rtiAmbService>"
      << "The time advance service: timeAdvanceRequest, nextMessageRequest, flushQueue. \n"
      << setw(35) << std::right << " " << std::left
      << "Default: timeAdvanceRequest. \n"
      << endl

      << setw(35) << "-available"
      << "Use the available option of time advance service.\n"
      << endl

      << setw(35) << "-lookAhead <seconds>"
      << "The lookahead time in seconds.\n"
      << setw(35) << std::right << " " << std::left
      << "Default: 1.0 s. \n"
      << endl

      << setw(35) << "-timeIncrement <seconds>"
      << "The increment to advance time in seconds.\n"
      << setw(35) << std::right << " " << std::left
      << "Default: 5.0 s. \n"
      << endl

      << endl; 
   return ostr.str();
}

template< class T > 
bool convert( const string& param,
             const string& value,
             T& dest )
{
   istringstream convert( value );
   convert >> dest;
   if ( convert.fail() )
   {
      std::cout << "Bad Parameter Value\n"
         << "Param: " << param
         << "\tValue: " << value << endl;
      return false;
   }
   return true;
}


#endif