include/cln/io.h

   1 // I/O through <iostream>
   2
   3 #ifndef _CL_IO_H
   4 #define _CL_IO_H
   5
   6 #include "cln/types.h"
   7 #include "cln/modules.h"
   8
   9 // I/O through <iostream>
  10
  11 #ifdef floor
  12   #undef floor
  13   #include <iostream>
  14   #define floor cln_floor
  15 #else
  16   #include <iostream>
  17 #endif
  18
  19 namespace cln {
  20
  21 // compatibility:
  22 typedef std::istream& cl_istream;
  23 typedef std::ostream& cl_ostream;
  24 extern std::ostream* cl_debugout_stream;
  25 #define cl_debugout  (*cl_debugout_stream)
  26
  27 // Elementary operations on std::istream&
  28
  29 #define cl_EOF  (-1)
  30
  31 inline int freadchar (std::istream& stream)
  32 {
  33         char c;
  34         if (stream.get(c))
  35                 return c;
  36         else
  37                 // EOF or error
  38                 return cl_EOF;
  39 }
  40
  41 inline int funreadchar (std::istream& stream, int c)
  42 {
  43         if (c != cl_EOF)
  44                 stream.putback((char)c);
  45         return c;
  46 }
  47
  48 // Elementary operations on std::ostream&
  49
  50 inline void fprintchar (std::ostream& stream, char c)
  51 {
  52         stream.put(c);
  53 }
  54
  55 inline void fprint (std::ostream& stream, const char * string)
  56 {
  57         stream << string;
  58 }
  59
  60
  61 extern void fprintdecimal (std::ostream& stream, unsigned long x);
  62 extern void fprintdecimal (std::ostream& stream, long x);
  63
  64 inline void fprintdecimal (std::ostream& stream, unsigned int x)
  65 {
  66         fprintdecimal(stream,(unsigned long)x);
  67 }
  68 inline void fprintdecimal (std::ostream& stream, int x)
  69 {
  70         fprintdecimal(stream,(long)x);
  71 }
  72
  73 extern void fprinthexadecimal (std::ostream& stream, unsigned long x);
  74 extern void fprinthexadecimal (std::ostream& stream, long x);
  75
  76 inline void fprinthexadecimal (std::ostream& stream, unsigned int x)
  77 {
  78         fprinthexadecimal(stream,(unsigned long)x);
  79 }
  80 inline void fprinthexadecimal (std::ostream& stream, int x)
  81 {
  82         fprinthexadecimal(stream,(long)x);
  83 }
  84
  85
  86 class cl_print_flags;
  87 class cl_print_number_flags;
  88 class cl_print_real_flags;
  89 class cl_print_rational_flags;
  90 class cl_print_float_flags;
  91 CL_REQUIRE(cl_prin_globals)
  92
  93
  94 // Define the customary << and >> operators.
  95
  96 #define CL_DEFINE_PRINT_OPERATOR(_class_)  \
  97 inline std::ostream& operator<< (std::ostream& stream, const _class_& x)        \
  98 {                                                                       \
  99         fprint(stream,x);                                               \
 100         return stream;                                                  \
 101 }
 102
 103 }  // namespace cln
 104
 105 #endif /* _CL_IO_H */