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