ArrayScanner.cxx

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
// $Id: ArrayScanner.cxx,v 1.1 2009-03-20 20:44:23 ssnyder Exp $
#include "CxxUtils/ArrayScanner.h"
 
 
namespace CxxUtils {
 
 
ArrayScanner::ArrayScanner (std::istream& is)
  : m_is (is)
{
}
 
 
bool ArrayScanner::at_open()
{
  // Skip any opening quote marks.
  at_char ('\'');
  at_char ('"');
 
  return at_char ('[');
}
 
 
bool ArrayScanner::at_close()
{
  if (at_char (']')) {
    at_char (',');
 
    // Skip any closing quote marks.
    at_char ('\'');
    at_char ('"');
    return true;
  }
  return false;
}
 
 
bool ArrayScanner::at_end()
{
  std::istream::sentry s (m_is);
  return !s;
}
 
 
bool ArrayScanner::at_char (char c)
{
  std::istream::sentry s (m_is);
  if (s && m_is.peek() == c) {
    m_is.get();
    return true;
  }
  return false;
}
 
 
bool ArrayScanner::at_num_common ()
{
  bool stat = !m_is.fail();
  m_is.clear();
  at_char (',');
  return stat;
}
 
 
} // namespace CxxUtils