util.cpp

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//======================================================================
// File:        util.cpp
// Author:      Matthias Toussaint
// Created:     Sun Dec  3 16:27:25 CET 2006
// Project:     QtDMM
// Description: Utility class
//----------------------------------------------------------------------
// This file  may  be used under  the terms of  the GNU  General Public
// License  version 2.0 as published   by the Free Software  Foundation
// and appearing  in the file LICENSE.GPL included  in the packaging of
// this file.
// 
// This file is provided AS IS with  NO WARRANTY OF ANY KIND, INCLUDING 
// THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
// PURPOSE.
//----------------------------------------------------------------------
// Copyright 2006 Matthias Toussaint
//======================================================================

#include <util.h>

TokenList Util::tokenize( const std::string & line, 
                          const std::string & separators )
                                              
{
  TokenList tokenList;
  std::string token;
      
  for (unsigned i=0; i<line.size(); ++i)
  {
    unsigned s;
    for (s=0; s<separators.size(); ++s)
    {
      if (line[i] == separators[s])
      {
        tokenList.push_back( token );
        token = "";
        break;
      }
    }
    
    if (s>=separators.size()) token += line[i];
  }
  if (token.size()) tokenList.push_back( token );
  
  return tokenList;
}

std::string 
Util::strip_whitespace( const std::string & str )
{
  std::string retVal;
  
  unsigned start;
  for (start=0; start<str.size(); ++start)
  {
    if (str[start] != ' '  && str[start] != '\t' &&
        str[start] != '\r' && str[start] != '\n' &&
        str[start] != '\"')
    {
      break;
    }
  }
  
  unsigned stop;
  for (stop=str.size()-1; stop>0; --stop)
  {
    if (str[stop] != ' '  && str[stop] != '\t' &&
        str[stop] != '\r' && str[stop] != '\n' &&
        str[stop] != '\"')
    {
      break;
    }
  }
  
  return str.substr( start, stop-start+1 );
}

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