| 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 : Fri Nov 20 13:19:19 2015
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| 13 | // Update Count : 9
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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 | forall( type elt_type | writeable( elt_type ),
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| 54 | type iterator_type | iterator( iterator_type, elt_type ),
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| 55 | dtype os_type | ostream( os_type ) )
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| 56 | void write( iterator_type begin, iterator_type end, os_type *os ) {
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| 57 | void print( elt_type i ) {
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| 58 | os << i << ' ';
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| 59 | }
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| 60 | for_each( begin, end, print );
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| 61 | } // ?<<?
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| 62 |
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| 63 | forall( type elt_type | writeable( elt_type ),
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| 64 | type iterator_type | iterator( iterator_type, elt_type ),
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| 65 | dtype os_type | ostream( os_type ) )
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| 66 | void write_reverse( iterator_type begin, iterator_type end, os_type *os ) {
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| 67 | void print( elt_type i ) {
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| 68 | os << i << ' ';
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| 69 | }
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| 70 | for_each_reverse( begin, end, print );
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| 71 | } // ?<<?
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| 72 |
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| 73 |
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| 74 | forall( dtype istype | istream( istype ) )
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| 75 | istype * ?>>?( istype *is, char *cp ) {
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| 76 | return read( is, cp, 1 );
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| 77 | } // ?>>?
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| 78 |
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| 79 | forall( dtype istype | istream( istype ) )
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| 80 | istype * ?>>?( istype *is, int *ip ) {
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| 81 | char cur;
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| 82 |
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| 83 | // skip some whitespace
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| 84 | do {
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| 85 | is >> &cur;
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| 86 | if ( fail( is ) || eof( is ) ) return is;
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| 87 | } while ( !( cur >= '0' && cur <= '9' ) );
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| 88 |
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| 89 | // accumulate digits
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| 90 | *ip = 0;
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| 91 | while ( cur >= '0' && cur <= '9' ) {
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| 92 | *ip = *ip * 10 + ( cur - '0' );
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| 93 | is >> &cur;
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| 94 | if ( fail( is ) || eof( is ) ) return is;
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| 95 | }
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| 96 |
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| 97 | unread( is, cur );
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| 98 | return is;
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| 99 | } // ?>>?
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| 100 |
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| 101 | // Local Variables: //
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| 102 | // tab-width: 4 //
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| 103 | // compile-command: "cfa iostream.c" //
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| 104 | // End: //
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