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orange / source / include / strings.cpp

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/*
    This file is part of Orange.
    
    Copyright 1996-2010 Faculty of Computer and Information Science, University of Ljubljana
    Contact: janez.demsar@fri.uni-lj.si

    Orange is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Orange is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Orange.  If not, see <http://www.gnu.org/licenses/>.
*/
#include "strings.hpp"

string trim(const string &s)
{ 
  string::const_iterator si(s.begin()), se(s.end());
  
  while ((si!=se) && (*si==' '))
    si++;
  while ((si!=se) && (se[-1]==' '))
    se--;
  
  return string(si, se);
}


void trim(char *s)
{ 
  char *si = s, *se = s + strlen(s);

  while (*si && (*si==' '))
    si++;
  while ((si!=se) && (se[-1]==' '))
    se--;

  while(si!=se)
    *(s++) = *(si++);
  *s = 0;
}


void split(const string &s, TSplits &atoms)
{
  atoms.clear();

  for(string::const_iterator si(s.begin()), se(s.end()), sii; si != se;) {
    while ((si != se) && (*si <= ' '))
      si++;
    if (si == se)
      break;
    sii = si;
    while ((si != se) && (*si > ' '))
      si++;
    atoms.push_back(make_pair(sii, si));
  }
}