| 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 | // fstream -- |
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| 8 | // |
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| 9 | // Author : Peter A. Buhr |
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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 Mar 1 22:45:08 2021 |
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| 13 | // Update Count : 217 |
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| 14 | // |
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| 15 | |
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| 16 | #pragma once |
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| 17 | |
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| 18 | #include "bits/weakso_locks.hfa" // mutex_lock |
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| 19 | #include "iostream.hfa" |
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| 20 | #include <exception.hfa> |
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| 21 | |
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| 22 | |
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| 23 | // *********************************** ofstream *********************************** |
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| 24 | |
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| 25 | |
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| 26 | enum { sepSize = 16 }; |
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| 27 | struct ofstream { |
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| 28 | void * $file; |
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| 29 | bool $sepDefault; |
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| 30 | bool $sepOnOff; |
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| 31 | bool $nlOnOff; |
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| 32 | bool $prt; // print text |
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| 33 | bool $sawNL; |
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| 34 | const char * $sepCur; |
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| 35 | char $separator[sepSize]; |
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| 36 | char $tupleSeparator[sepSize]; |
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| 37 | multiple_acquisition_lock $lock; |
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| 38 | bool $acquired; |
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| 39 | }; // ofstream |
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| 40 | |
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| 41 | // private |
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| 42 | bool $sepPrt( ofstream & ); |
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| 43 | void $sepReset( ofstream & ); |
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| 44 | void $sepReset( ofstream &, bool ); |
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| 45 | const char * $sepGetCur( ofstream & ); |
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| 46 | void $sepSetCur( ofstream &, const char [] ); |
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| 47 | bool $getNL( ofstream & ); |
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| 48 | void $setNL( ofstream &, bool ); |
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| 49 | bool $getANL( ofstream & ); |
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| 50 | bool $getPrt( ofstream & ); |
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| 51 | void $setPrt( ofstream &, bool ); |
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| 52 | |
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| 53 | // public |
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| 54 | void sepOn( ofstream & ); |
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| 55 | void sepOff( ofstream & ); |
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| 56 | bool sepDisable( ofstream & ); |
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| 57 | bool sepEnable( ofstream & ); |
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| 58 | void nlOn( ofstream & ); |
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| 59 | void nlOff( ofstream & ); |
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| 60 | |
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| 61 | const char * sepGet( ofstream & ); |
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| 62 | void sepSet( ofstream &, const char [] ); |
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| 63 | const char * sepGetTuple( ofstream & ); |
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| 64 | void sepSetTuple( ofstream &, const char [] ); |
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| 65 | |
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| 66 | void ends( ofstream & os ); |
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| 67 | int fail( ofstream & ); |
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| 68 | int flush( ofstream & ); |
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| 69 | void open( ofstream &, const char name[], const char mode[] ); |
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| 70 | void open( ofstream &, const char name[] ); |
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| 71 | void close( ofstream & ); |
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| 72 | ofstream & write( ofstream &, const char data[], size_t size ); |
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| 73 | int fmt( ofstream &, const char format[], ... ) __attribute__(( format(printf, 2, 3) )); |
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| 74 | void acquire( ofstream & os ); |
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| 75 | void release( ofstream & os ); |
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| 76 | |
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| 77 | struct osacquire { |
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| 78 | ofstream & os; |
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| 79 | }; |
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| 80 | void ?{}( osacquire & acq, ofstream & os ); |
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| 81 | void ^?{}( osacquire & acq ); |
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| 82 | |
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| 83 | void ?{}( ofstream & os ); |
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| 84 | void ?{}( ofstream & os, const char name[], const char mode[] ); |
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| 85 | void ?{}( ofstream & os, const char name[] ); |
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| 86 | void ^?{}( ofstream & os ); |
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| 87 | |
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| 88 | extern ofstream & sout, & stdout, & serr, & stderr; // aliases |
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| 89 | extern ofstream & exit, & abort; |
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| 90 | |
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| 91 | |
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| 92 | // *********************************** ifstream *********************************** |
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| 93 | |
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| 94 | |
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| 95 | struct ifstream { |
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| 96 | void * $file; |
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| 97 | bool $nlOnOff; |
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| 98 | multiple_acquisition_lock $lock; |
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| 99 | bool $acquired; |
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| 100 | }; // ifstream |
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| 101 | |
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| 102 | // public |
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| 103 | void nlOn( ifstream & ); |
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| 104 | void nlOff( ifstream & ); |
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| 105 | bool getANL( ifstream & ); |
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| 106 | void ends( ifstream & ); |
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| 107 | int fail( ifstream & is ); |
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| 108 | int eof( ifstream & is ); |
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| 109 | void open( ifstream & is, const char name[], const char mode[] ); |
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| 110 | void open( ifstream & is, const char name[] ); |
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| 111 | void close( ifstream & is ); |
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| 112 | ifstream & read( ifstream & is, char * data, size_t size ); |
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| 113 | ifstream & ungetc( ifstream & is, char c ); |
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| 114 | int fmt( ifstream &, const char format[], ... ) __attribute__(( format(scanf, 2, 3) )); |
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| 115 | void acquire( ifstream & is ); |
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| 116 | void release( ifstream & is ); |
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| 117 | |
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| 118 | struct isacquire { |
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| 119 | ifstream & is; |
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| 120 | }; |
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| 121 | void ?{}( isacquire & acq, ifstream & is ); |
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| 122 | void ^?{}( isacquire & acq ); |
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| 123 | |
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| 124 | void ?{}( ifstream & is ); |
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| 125 | void ?{}( ifstream & is, const char name[], const char mode[] ); |
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| 126 | void ?{}( ifstream & is, const char name[] ); |
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| 127 | void ^?{}( ifstream & is ); |
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| 128 | |
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| 129 | extern ifstream & sin, & stdin; // aliases |
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| 130 | |
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| 131 | |
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| 132 | // *********************************** exceptions *********************************** |
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| 133 | |
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| 134 | |
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| 135 | DATA_EXCEPTION(Open_Failure)( |
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| 136 | union { |
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| 137 | ofstream * ostream; |
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| 138 | ifstream * istream; |
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| 139 | }; |
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| 140 | // TEMPORARY: need polymorphic exceptions |
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| 141 | int tag; // 1 => ostream; 0 => istream |
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| 142 | ); |
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| 143 | |
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| 144 | void ?{}( Open_Failure & this, ofstream & ostream ); |
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| 145 | void ?{}( Open_Failure & this, ifstream & istream ); |
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| 146 | |
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| 147 | // Local Variables: // |
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| 148 | // mode: c // |
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| 149 | // tab-width: 4 // |
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| 150 | // End: // |
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