source: src/libcfa/iostream @ 5af7306

new-envwith_gc
Last change on this file since 5af7306 was 44574f2, checked in by Peter A. Buhr <pabuhr@…>, 7 years ago

add _Bool read and read endl-manipulator to skip whitespace
  • Property mode set to 100644
File size: 7.9 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// iostream --
8//
9// Author           : Peter A. Buhr
10// Created On       : Wed May 27 17:56:53 2015
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Thu Jan 25 13:08:39 2018
13// Update Count     : 149
14//
15
16#pragma once
17
18#include "iterator"
19
20trait ostream( dtype ostype ) {
21        // private
22        _Bool sepPrt( ostype & );                                                       // return separator state (on/off)
23        void sepReset( ostype & );                                                      // set separator state to default state
24        void sepReset( ostype &, _Bool );                                       // set separator and default state
25        const char * sepGetCur( ostype & );                                     // get current separator string
26        void sepSetCur( ostype &, const char * );                       // set current separator string
27        _Bool getNL( ostype & );                                                        // check newline
28        void setNL( ostype &, _Bool );                                          // saw newline
29        // public
30        void sepOn( ostype & );                                                         // turn separator state on
31        void sepOff( ostype & );                                                        // turn separator state off
32        _Bool sepDisable( ostype & );                                           // set default state to off, and return previous state
33        _Bool sepEnable( ostype & );                                            // set default state to on, and return previous state
34
35        const char * sepGet( ostype & );                                        // get separator string
36        void sepSet( ostype &, const char * );                          // set separator to string (15 character maximum)
37        const char * sepGetTuple( ostype & );                           // get tuple separator string
38        void sepSetTuple( ostype &, const char * );                     // set tuple separator to string (15 character maximum)
39
40        int fail( ostype & );
41        int flush( ostype & );
42        void open( ostype & os, const char * name, const char * mode );
43        void close( ostype & os );
44        ostype & write( ostype &, const char *, unsigned long int );
45        int fmt( ostype &, const char fmt[], ... );
46}; // ostream
47
48// trait writeable( otype T ) {
49//      forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, T );
50// }; // writeable
51
52trait writeable( otype T, dtype ostype | ostream( ostype ) ) {
53        ostype & ?|?( ostype &, T );
54}; // writeable
55
56// implement writable for intrinsic types
57
58forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, _Bool );
59
60forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, char );
61forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, signed char );
62forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, unsigned char );
63
64forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, short int );
65forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, unsigned short int );
66forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, int );
67forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, unsigned int );
68forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, long int );
69forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, long long int );
70forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, unsigned long int );
71forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, unsigned long long int );
72
73forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, float ); // FIX ME: should not be required
74forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, double );
75forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, long double );
76
77forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, float _Complex );
78forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, double _Complex );
79forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, long double _Complex );
80
81forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, const char * );
82forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, const char16_t * );
83#if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
84forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, const char32_t * );
85#endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
86forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, const wchar_t * );
87forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, const void * );
88
89// tuples
90forall( dtype ostype, otype T, ttype Params | writeable( T, ostype ) | { ostype & ?|?( ostype &, Params ); } )
91ostype & ?|?( ostype & os, T arg, Params rest );
92
93// manipulators
94forall( dtype ostype | ostream( ostype ) ) ostype & ?|?( ostype &, ostype & (*)( ostype & ) );
95forall( dtype ostype | ostream( ostype ) ) ostype & endl( ostype & );
96forall( dtype ostype | ostream( ostype ) ) ostype & sep( ostype & );
97forall( dtype ostype | ostream( ostype ) ) ostype & sepTuple( ostype & );
98forall( dtype ostype | ostream( ostype ) ) ostype & sepOn( ostype & );
99forall( dtype ostype | ostream( ostype ) ) ostype & sepOff( ostype & );
100forall( dtype ostype | ostream( ostype ) ) ostype & sepDisable( ostype & );
101forall( dtype ostype | ostream( ostype ) ) ostype & sepEnable( ostype & );
102
103// writes the range [begin, end) to the given stream
104forall( dtype ostype, otype elt_type | writeable( elt_type, ostype ), otype iterator_type | iterator( iterator_type, elt_type ) )
105void write( iterator_type begin, iterator_type end, ostype & os );
106
107forall( dtype ostype, otype elt_type | writeable( elt_type, ostype ), otype iterator_type | iterator( iterator_type, elt_type ) )
108void write_reverse( iterator_type begin, iterator_type end, ostype & os );
109
110//---------------------------------------
111
112trait istream( dtype istype ) {
113        int fail( istype & );
114        int eof( istype & );
115        void open( istype & is, const char * name );
116        void close( istype & is );
117        istype & read( istype &, char *, unsigned long int );
118        istype & ungetc( istype &, char );
119        int fmt( istype &, const char fmt[], ... );
120}; // istream
121
122trait readable( otype T ) {
123        forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, T );
124}; // readable
125
126forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, _Bool & );
127
128forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, char & );
129forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, signed char & );
130forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, unsigned char & );
131
132forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, short int & );
133forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, unsigned short int & );
134forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, int & );
135forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, unsigned int & );
136forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, long int & );
137forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, long long int & );
138forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, unsigned long int & );
139forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, unsigned long long int & );
140
141forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, float & );
142forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, double & );
143forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, long double & );
144
145forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, float _Complex & );
146forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, double _Complex & );
147forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, long double _Complex & );
148
149// manipulators
150forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, istype & (*)( istype & ) );
151forall( dtype istype | istream( istype ) ) istype & endl( istype & is );
152
153struct _Istream_cstrUC { char * s; };
154_Istream_cstrUC cstr( char * );
155forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, _Istream_cstrUC );
156
157struct _Istream_cstrC { char * s; int size; };
158_Istream_cstrC cstr( char *, int size );
159forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, _Istream_cstrC );
160
161// Local Variables: //
162// mode: c //
163// tab-width: 4 //
164// End: //
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