CmdCore.cxx

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////////////////////////////////////////////////////////////////////////////////
//
// Package:   RoadNarrows Robotics Application Tool Kit
//
// Link:      https://github.com/roadnarrows-robotics/rnr-sdk
//
// Library:   librnr_appkit
//
// File:      CommandLine.cxx
//
/*! \file
 *
 * \brief Command-Line parser class implementation
 *
 * \author Robin Knight   (robin.knight@roadnarrows.com)
 *
 * \par Copyright
 *   \h_copy 2016-2017. RoadNarrows LLC.\n
 *   http://www.roadnarrows.com\n
 *   All Rights Reserved
 *
 * \par License:
 * MIT
 */
/*
 * @EulaBegin@
 * 
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 * license or royalty fees, to use, copy, modify, and distribute this
 * software and its documentation for any purpose, provided that
 * (1) The above copyright notice and the following two paragraphs
 * appear in all copies of the source code and (2) redistributions
 * including binaries reproduces these notices in the supporting
 * documentation.   Substantial modifications to this software may be
 * copyrighted by their authors and need not follow the licensing terms
 * described here, provided that the new terms are clearly indicated in
 * all files where they apply.
 * 
 * IN NO EVENT SHALL THE AUTHOR, ROADNARROWS LLC, OR ANY MEMBERS/EMPLOYEES
 * OF ROADNARROW LLC OR DISTRIBUTORS OF THIS SOFTWARE BE LIABLE TO ANY
 * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
 * DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION,
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 */
////////////////////////////////////////////////////////////////////////////////

#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <ctype.h>

#include <iostream>
#include <sstream>
#include <string>
#include <locale>
#include <vector>
#include <set>
#include <map>

#include "rnr/rnrconfig.h"
#include "rnr/log.h"

#include "rnr/appkit/CmdCore.h"

using namespace std;
using namespace rnr;
using namespace rnr::cmd;

namespace rnr
{
  namespace cmd
  {
    const string emptystring;           ///< empty string
    const string undefstring("undef");  ///< empty string
    
    void DataSectCore::dealloc(void *p)
    {
      if( p != NULL )
      {
        delete (DataSectCore *)p;
      }
    }

    bool isIdentifier(const string &str)
    {
      if( str.size() == 0 )
      {
        return false;
      }

      // start character
      if( !isalpha(str[0]) && (str[0] != '_') )
      {
        return false;
      }

      // subsequent characters
      for(size_t i = 1; i < str.size(); ++i)
      {
        if( !isalnum(str[i]) && (str[i] != '_') )
        {
          return false;
        }
      }

      return true;
    }

  } // namespace cmd
} // namespace rnr