Dogcows Code - chaz/yoink/blob - src/stlplus/strings/print_smart_ptr.tpp

   1 ////////////////////////////////////////////////////////////////////////////////
   2
   3 //   Author:    Andy Rushton
   4 //   Copyright: (c) Southampton University 1999-2004
   5 //              (c) Andy Rushton           2004-2009
   6 //   License:   BSD License, see ../docs/license.html
   7
   8 ////////////////////////////////////////////////////////////////////////////////
   9
  10 namespace stlplus
  11 {
  12
  13   template<typename T, typename S>
  14   void print_smart_ptr(std::ostream& device,
  15                        const smart_ptr<T>& value,
  16                        S print_fn,
  17                        const std::string& null_string,
  18                        const std::string& prefix,
  19                        const std::string& suffix)
  20   {
  21     if (value)
  22     {
  23       device << prefix;
  24       print_fn(device, *value);
  25       device << suffix;
  26     }
  27     else
  28     {
  29       device << null_string;
  30     }
  31   }
  32
  33   template<typename T, typename S>
  34   void print_smart_ptr_clone(std::ostream& device,
  35                              const smart_ptr_clone<T>& value,
  36                              S print_fn,
  37                              const std::string& null_string,
  38                              const std::string& prefix,
  39                              const std::string& suffix)
  40   {
  41     if (value)
  42     {
  43       device << prefix;
  44       print_fn(device, *value);
  45       device << suffix;
  46     }
  47     else
  48     {
  49       device << null_string;
  50     }
  51   }
  52
  53   template<typename T, typename S>
  54   void print_smart_ptr_nocopy(std::ostream& device,
  55                               const smart_ptr_nocopy<T>& value,
  56                               S print_fn,
  57                               const std::string& null_string,
  58                               const std::string& prefix,
  59                               const std::string& suffix)
  60   {
  61     if (value)
  62     {
  63       device << prefix;
  64       print_fn(device, *value);
  65       device << suffix;
  66     }
  67     else
  68     {
  69       device << null_string;
  70     }
  71   }
  72
  73 } // end namespace stlplus
  74