lib-src/pretty/pristream.cc

   1 //////////////////////////////////////////////////////////////////////////////
   2 // NOTICE:
   3 //
   4 // ADLib, Prop and their related set of tools and documentation are in the
   5 // public domain.   The author(s) of this software reserve no copyrights on
   6 // the source code and any code generated using the tools.  You are encouraged
   7 // to use ADLib and Prop to develop software, in both academic and commercial
   8 // settings, and are welcomed to incorporate any part of ADLib and Prop into
   9 // your programs.
  10 //
  11 // Although you are under no obligation to do so, we strongly recommend that
  12 // you give away all software developed using our tools.
  13 //
  14 // We also ask that credit be given to us when ADLib and/or Prop are used in
  15 // your programs, and that this notice be preserved intact in all the source
  16 // code.
  17 //
  18 // This software is still under development and we welcome(read crave for)
  19 // any suggestions and help from the users.
  20 //
  21 // Allen Leung (leunga@cs.nyu.edu)
  22 // 1994-1997
  23 //////////////////////////////////////////////////////////////////////////////
  24
  25 #include <iostream.h>
  26 #include <AD/pretty/pistream.h>
  27
  28 PrettyIStream::PrettyIStream() : the_stream(&cin) {}
  29 PrettyIStream::PrettyIStream(istream& s) : the_stream(&s) {}
  30 PrettyIStream::~PrettyIStream() {}
  31
  32 istream& PrettyIStream::set_stream(istream& s)
  33 {  istream * old = the_stream;
  34    the_stream = &s;
  35    return *old;
  36 }
  37
  38 PrettyIStream& PrettyIStream::operator >> (char)
  39 {
  40    return *this;
  41 }
  42
  43 PrettyIStream& PrettyIStream::operator >> (short& n)
  44 {  int i;
  45    operator>>(i);
  46    n = i;
  47    return *this;
  48 }
  49
  50 PrettyIStream& PrettyIStream::operator >> (unsigned short& n)
  51 {  int i;
  52    operator>>(i);
  53    n = i;
  54    return *this;
  55 }
  56
  57 PrettyIStream& PrettyIStream::operator >> (int&)
  58 {
  59    return *this;
  60 }
  61
  62 PrettyIStream& PrettyIStream::operator >> (unsigned int& n)
  63 {  int i;
  64    operator>>(i);
  65    n = i;
  66    return *this;
  67 }
  68
  69 PrettyIStream& PrettyIStream::operator >> (long& n)
  70 {  int i;
  71    operator>>(i);
  72    n = i;
  73    return *this;
  74 }
  75
  76 PrettyIStream& PrettyIStream::operator >> (unsigned long& n)
  77 {  int i;
  78    operator>>(i);
  79    n = i;
  80    return *this;
  81 }
  82
  83 PrettyIStream& PrettyIStream::operator >> (float& n)
  84 {  double i;
  85    operator>>(i);
  86    n = i;
  87    return *this;
  88 }
  89
  90 PrettyIStream& PrettyIStream::operator >> (double&)
  91 {  return *this; }
  92
  93 PrettyIStream& PrettyIStream::operator >> (char *)
  94 {  return *this;
  95 }
  96