[86bd7c1f] | 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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[bb82c03] | 7 | // fstream -- |
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[86bd7c1f] | 8 | // |
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[90c3b1c] | 9 | // Author : Peter A. Buhr |
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[86bd7c1f] | 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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[ba0d2ea] | 12 | // Last Modified On : Wed Jul 28 07:35:50 2021 |
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| 13 | // Update Count : 234 |
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[86bd7c1f] | 14 | // |
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| 15 | |
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[53a6c2a] | 16 | #pragma once |
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[51b7345] | 17 | |
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[e474cf09] | 18 | #include "bits/weakso_locks.hfa" // mutex_lock |
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[58b6d1b] | 19 | #include "iostream.hfa" |
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[91e52be] | 20 | #include <exception.hfa> |
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[51b7345] | 21 | |
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[65240bb] | 22 | |
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[8d321f9] | 23 | // *********************************** ofstream *********************************** |
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[65240bb] | 24 | |
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| 25 | |
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[b431515] | 26 | enum { ofstream_sepSize = 16 }; |
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[53ba273] | 27 | struct ofstream { |
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[6c5d92f] | 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$; |
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[b431515] | 35 | char separator$[ofstream_sepSize]; |
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| 36 | char tupleSeparator$[ofstream_sepSize]; |
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[6c5d92f] | 37 | multiple_acquisition_lock lock$; |
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| 38 | bool acquired$; |
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[53ba273] | 39 | }; // ofstream |
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[90c3b1c] | 40 | |
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[b431515] | 41 | // Satisfies ostream |
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| 42 | |
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[9ebd778] | 43 | // private |
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[6c5d92f] | 44 | bool sepPrt$( ofstream & ); |
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| 45 | void sepReset$( ofstream & ); |
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| 46 | void sepReset$( ofstream &, bool ); |
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| 47 | const char * sepGetCur$( ofstream & ); |
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| 48 | void sepSetCur$( ofstream &, const char [] ); |
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| 49 | bool getNL$( ofstream & ); |
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| 50 | void setNL$( ofstream &, bool ); |
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| 51 | bool getANL$( ofstream & ); |
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| 52 | bool getPrt$( ofstream & ); |
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| 53 | void setPrt$( ofstream &, bool ); |
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[9ebd778] | 54 | |
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| 55 | // public |
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[09687aa] | 56 | void sepOn( ofstream & ); |
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| 57 | void sepOff( ofstream & ); |
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[93c2e0a] | 58 | bool sepDisable( ofstream & ); |
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| 59 | bool sepEnable( ofstream & ); |
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[200fcb3] | 60 | void nlOn( ofstream & ); |
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| 61 | void nlOff( ofstream & ); |
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[9ebd778] | 62 | |
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[09687aa] | 63 | const char * sepGet( ofstream & ); |
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[e3fea42] | 64 | void sepSet( ofstream &, const char [] ); |
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[09687aa] | 65 | const char * sepGetTuple( ofstream & ); |
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[e3fea42] | 66 | void sepSetTuple( ofstream &, const char [] ); |
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[6152c81] | 67 | |
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[b431515] | 68 | void ends( ofstream & ); |
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| 69 | int fmt( ofstream &, const char format[], ... ) __attribute__(( format(printf, 2, 3) )); |
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| 70 | |
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| 71 | bool fail( ofstream & ); |
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[00e9be9] | 72 | void clear( ofstream & ); |
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[09687aa] | 73 | int flush( ofstream & ); |
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[f451177] | 74 | void open( ofstream &, const char name[], const char mode[] ); // FIX ME: use default = "w" |
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[e3fea42] | 75 | void open( ofstream &, const char name[] ); |
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[09687aa] | 76 | void close( ofstream & ); |
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[e3fea42] | 77 | ofstream & write( ofstream &, const char data[], size_t size ); |
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[b431515] | 78 | |
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| 79 | void acquire( ofstream & ); |
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| 80 | void release( ofstream & ); |
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[e474cf09] | 81 | |
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[7e7a076] | 82 | void lock( ofstream & ); |
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| 83 | void unlock( ofstream & ); |
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| 84 | |
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[e474cf09] | 85 | struct osacquire { |
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| 86 | ofstream & os; |
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| 87 | }; |
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[b431515] | 88 | void ?{}( osacquire & acq, ofstream & ); |
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[e474cf09] | 89 | void ^?{}( osacquire & acq ); |
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[829c907] | 90 | |
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[b431515] | 91 | void ?{}( ofstream & ); |
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[f451177] | 92 | void ?{}( ofstream &, const char name[], const char mode[] ); // FIX ME: use default = "w" |
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[b431515] | 93 | void ?{}( ofstream &, const char name[] ); |
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| 94 | void ^?{}( ofstream & ); |
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[09687aa] | 95 | |
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[f451177] | 96 | // private |
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| 97 | static inline ofstream & nl$( ofstream & os ) { return nl( os ); } // remember basic_ostream nl |
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| 98 | // public |
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| 99 | ofstream & nl( ofstream & os ); // override basic_ostream nl |
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| 100 | |
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[a87d40b] | 101 | extern ofstream & sout, & stdout, & serr, & stderr; // aliases |
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[65240bb] | 102 | extern ofstream & exit, & abort; |
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| 103 | |
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[51b7345] | 104 | |
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[8d321f9] | 105 | // *********************************** ifstream *********************************** |
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[5cb2b8c] | 106 | |
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[51b7345] | 107 | |
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[53ba273] | 108 | struct ifstream { |
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[6c5d92f] | 109 | void * file$; |
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| 110 | bool nlOnOff$; |
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| 111 | multiple_acquisition_lock lock$; |
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| 112 | bool acquired$; |
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[53ba273] | 113 | }; // ifstream |
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[6ba0659] | 114 | |
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[b431515] | 115 | // Satisfies istream |
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| 116 | |
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[09687aa] | 117 | // public |
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[0efb269] | 118 | void nlOn( ifstream & ); |
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| 119 | void nlOff( ifstream & ); |
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| 120 | bool getANL( ifstream & ); |
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[e474cf09] | 121 | void ends( ifstream & ); |
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[f451177] | 122 | int fmt( ifstream &, const char format[], ... ) __attribute__(( format(scanf, 2, 3) )); |
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| 123 | |
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[b431515] | 124 | bool fail( ifstream & is ); |
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[00e9be9] | 125 | void clear( ifstream & ); |
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| 126 | bool eof( ifstream & is ); |
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[f451177] | 127 | void open( ifstream & is, const char name[], const char mode[] ); // FIX ME: use default = "r" |
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[e3fea42] | 128 | void open( ifstream & is, const char name[] ); |
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[09687aa] | 129 | void close( ifstream & is ); |
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[00e9be9] | 130 | ifstream & read( ifstream & is, char data[], size_t size ); |
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[09687aa] | 131 | ifstream & ungetc( ifstream & is, char c ); |
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[f451177] | 132 | |
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[e474cf09] | 133 | void acquire( ifstream & is ); |
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| 134 | void release( ifstream & is ); |
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| 135 | |
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| 136 | struct isacquire { |
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| 137 | ifstream & is; |
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| 138 | }; |
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| 139 | void ?{}( isacquire & acq, ifstream & is ); |
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| 140 | void ^?{}( isacquire & acq ); |
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[09687aa] | 141 | |
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| 142 | void ?{}( ifstream & is ); |
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[f451177] | 143 | void ?{}( ifstream & is, const char name[], const char mode[] ); // FIX ME: use default = "r" |
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[e3fea42] | 144 | void ?{}( ifstream & is, const char name[] ); |
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[4cae032] | 145 | void ^?{}( ifstream & is ); |
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[51b7345] | 146 | |
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[a87d40b] | 147 | extern ifstream & sin, & stdin; // aliases |
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[51b7345] | 148 | |
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[91e52be] | 149 | |
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[8d321f9] | 150 | // *********************************** exceptions *********************************** |
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[91e52be] | 151 | |
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| 152 | |
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[f9d8755] | 153 | exception Open_Failure { |
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[91e52be] | 154 | union { |
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| 155 | ofstream * ostream; |
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| 156 | ifstream * istream; |
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| 157 | }; |
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[8d321f9] | 158 | // TEMPORARY: need polymorphic exceptions |
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| 159 | int tag; // 1 => ostream; 0 => istream |
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[f9d8755] | 160 | }; |
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[91e52be] | 161 | |
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[b431515] | 162 | void ?{}( Open_Failure & this, ofstream & ); |
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| 163 | void ?{}( Open_Failure & this, ifstream & ); |
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[91e52be] | 164 | |
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[ba0d2ea] | 165 | exception Close_Failure { |
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| 166 | union { |
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| 167 | ofstream * ostream; |
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| 168 | ifstream * istream; |
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| 169 | }; |
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| 170 | // TEMPORARY: need polymorphic exceptions |
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| 171 | int tag; // 1 => ostream; 0 => istream |
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| 172 | }; |
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| 173 | |
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| 174 | void ?{}( Close_Failure & this, ofstream & ); |
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| 175 | void ?{}( Close_Failure & this, ifstream & ); |
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| 176 | |
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| 177 | exception Write_Failure { |
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| 178 | union { |
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| 179 | ofstream * ostream; |
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| 180 | ifstream * istream; |
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| 181 | }; |
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| 182 | // TEMPORARY: need polymorphic exceptions |
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| 183 | int tag; // 1 => ostream; 0 => istream |
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| 184 | }; |
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| 185 | |
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| 186 | void ?{}( Write_Failure & this, ofstream & ); |
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| 187 | void ?{}( Write_Failure & this, ifstream & ); |
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| 188 | |
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| 189 | exception Read_Failure { |
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| 190 | union { |
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| 191 | ofstream * ostream; |
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| 192 | ifstream * istream; |
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| 193 | }; |
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| 194 | // TEMPORARY: need polymorphic exceptions |
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| 195 | int tag; // 1 => ostream; 0 => istream |
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| 196 | }; |
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| 197 | |
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| 198 | void ?{}( Read_Failure & this, ofstream & ); |
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| 199 | void ?{}( Read_Failure & this, ifstream & ); |
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| 200 | |
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[86bd7c1f] | 201 | // Local Variables: // |
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[d3b7937] | 202 | // mode: c // |
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[86bd7c1f] | 203 | // tab-width: 4 // |
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| 204 | // End: // |
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