1 | //
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2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
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3 | //
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4 | // The contents of this file are covered under the licence agreement in the
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5 | // file "LICENCE" distributed with Cforall.
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6 | //
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7 | // iostream.c --
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8 | //
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9 | // Author : Richard C. Bilson
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10 | // Created On : Wed May 27 17:56:53 2015
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11 | // Last Modified By : Peter A. Buhr
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12 | // Last Modified On : Mon Dec 7 23:08:02 2015
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13 | // Update Count : 24
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14 | //
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15 |
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16 | #include "iostream.h"
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17 | extern "C" {
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18 | #include <stdio.h>
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19 | #include <string.h> // strlen
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20 | }
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21 |
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22 | forall( dtype ostype | ostream( ostype ) )
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23 | ostype * ?|?( ostype *os, char c ) {
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24 | return write( os, &c, 1 );
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25 | } // ?|?
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26 |
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27 | forall( dtype ostype | ostream( ostype ) )
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28 | ostype * ?|?( ostype *os, int i ) {
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29 | char buffer[32]; // larger than the largest integer
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30 | sprintf( buffer, "%d", i );
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31 | return write( os, buffer, strlen( buffer ) );
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32 | } // ?|?
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33 |
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34 | forall( dtype ostype | ostream( ostype ) )
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35 | ostype * ?|?( ostype *os, double d ) {
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36 | char buffer[32]; // larger than the largest double
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37 | sprintf( buffer, "%g", d );
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38 | return write( os, buffer, strlen( buffer ) );
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39 | } // ?|?
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40 |
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41 | forall( dtype ostype | ostream( ostype ) )
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42 | ostype * ?|?( ostype *os, const char *cp ) {
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43 | return write( os, cp, strlen( cp ) );
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44 | } // ?|?
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45 |
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46 | forall( dtype ostype | ostream( ostype ) )
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47 | ostype * ?|?( ostype *os, const void *p ) {
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48 | char buffer[32]; // larger than the largest pointer
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49 | sprintf( buffer, "%p", p );
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50 | return write( os, buffer, strlen( buffer ) );
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51 | } // ?|?
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52 |
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53 |
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54 | forall( dtype ostype, dtype retostype | ostream( ostype ) | ostream( retostype ) )
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55 | retostype * ?|?( ostype *os, retostype * (*manip)(ostype*) ) {
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56 | return manip(os);
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57 | }
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58 |
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59 | forall( dtype ostype | ostream( ostype ) )
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60 | ostype * endl( ostype * os ) {
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61 | os | "\n";
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62 | // flush
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63 | return os;
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64 | } // endl
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65 |
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66 | forall( type elt_type | writeable( elt_type ),
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67 | type iterator_type | iterator( iterator_type, elt_type ),
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68 | dtype os_type | ostream( os_type ) )
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69 | void write( iterator_type begin, iterator_type end, os_type *os ) {
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70 | void print( elt_type i ) {
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71 | os | i | ' ';
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72 | }
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73 | for_each( begin, end, print );
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74 | } // ?|?
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75 |
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76 | forall( type elt_type | writeable( elt_type ),
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77 | type iterator_type | iterator( iterator_type, elt_type ),
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78 | dtype os_type | ostream( os_type ) )
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79 | void write_reverse( iterator_type begin, iterator_type end, os_type *os ) {
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80 | void print( elt_type i ) { os | i | ' '; }
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81 | for_each_reverse( begin, end, print );
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82 | } // ?|?
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83 |
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84 |
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85 | forall( dtype istype | istream( istype ) )
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86 | istype * ?|?( istype *is, char *cp ) {
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87 | return read( is, cp, 1 );
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88 | } // ?|?
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89 |
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90 | forall( dtype istype | istream( istype ) )
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91 | istype * ?|?( istype *is, int *ip ) {
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92 | char cur;
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93 |
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94 | // skip some whitespace
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95 | do {
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96 | is | &cur;
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97 | if ( fail( is ) || eof( is ) ) return is;
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98 | } while ( !( cur >= '0' && cur <= '9' ) );
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99 |
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100 | // accumulate digits
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101 | *ip = 0;
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102 | while ( cur >= '0' && cur <= '9' ) {
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103 | *ip = *ip * 10 + ( cur - '0' );
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104 | is | &cur;
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105 | if ( fail( is ) || eof( is ) ) return is;
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106 | }
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107 |
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108 | unread( is, cur );
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109 | return is;
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110 | } // ?|?
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111 |
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112 | // Local Variables: //
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113 | // tab-width: 4 //
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114 | // compile-command: "cfa iostream.c" //
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115 | // End: //
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