utilities.inl

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/*
    Copyright (C) 2000 PARAPET partners
    Copyright (C) 2000-2009, Hammersmith Imanet Ltd
    This file is part of STIR.
 
    SPDX-License-Identifier: Apache-2.0 AND License-ref-PARAPET-license
 
    See STIR/LICENSE.txt for details
*/
#include <iostream>
#include "stir/error.h"
#include <sstream>
 
START_NAMESPACE_STIR
template <class NUMBER>
inline NUMBER
ask_num(const std::string& str, NUMBER minimum_value, NUMBER maximum_value, NUMBER default_value)
{
 
  while (1)
    {
      std::string input;
      std::cerr << "\n" << str << "[" << minimum_value << "," << maximum_value << " D:" << default_value << "]: ";
      std::getline(std::cin, input);
      std::istringstream ss(input.c_str());
 
      NUMBER value = default_value;
      ss >> value;
      if ((value >= minimum_value) && (maximum_value >= value))
        return value;
      std::cerr << "\nOut of bounds. Try again.";
    }
}
 
template <class IFSTREAM>
inline IFSTREAM&
open_read_binary(IFSTREAM& s, const std::string& name)
{
#if 0
  //KT 30/07/98 The next lines are only necessary (in VC 5.0) when importing 
  // <fstream.h>. We use <fstream> now, so they are disabled.
 
  // Visual C++ does not complain when opening a nonexisting file for reading,
  // unless using std::ios::nocreate
  s.open(name.c_str(), std::ios::in | std::ios::binary | std::ios::nocreate);
#else
  s.open(name.c_str(), std::ios::in | std::ios::binary);
#endif
  // KT 14/01/2000 added name of file in error message
  if (s.fail() || s.bad())
    {
      error("Error opening file %s\n", name.c_str());
    }
  return s;
}
 
template <class OFSTREAM>
inline OFSTREAM&
open_write_binary(OFSTREAM& s, const std::string& name)
{
  s.open(name.c_str(), std::ios::out | std::ios::binary);
  // KT 14/01/2000 added name of file in error message
  if (s.fail() || s.bad())
    {
      error("Error opening file %s\n", name.c_str());
    }
  return s;
}
 
template <class FSTREAM>
inline void
close_file(FSTREAM& s)
{
  s.close();
}
 
#ifndef _MSC_VER
char*
strupr(char* const str)
{
  for (char* a = str; *a; a++)
    {
      if ((*a >= 'a') && (*a <= 'z'))
        *a += 'A' - 'a';
    };
  return str;
}
#endif
 
END_NAMESPACE_STIR