source: libcfa/src/iostream.hfa@ 082510e

Last change on this file since 082510e was 2f34fde, checked in by Peter A. Buhr <pabuhr@…>, 2 years ago

add new wdi manipulator for C-strings to specify string and read size
  • Property mode set to 100644
File size: 22.0 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.hfa --
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 : Mon Aug 14 17:35:40 2023
13// Update Count : 508
14//
15
16#pragma once
17
18#include "iterator.hfa"
19#include "Exception.hfa"
20
21
22// *********************************** ostream ***********************************
23
24
25forall( ostype & )
26trait basic_ostream {
27 // private
28 bool sepPrt$( ostype & ); // get separator state (on/off)
29 void sepReset$( ostype & ); // set separator state to default state
30 void sepReset$( ostype &, bool ); // set separator and default state
31 const char * sepGetCur$( ostype & ); // get current separator string
32 void sepSetCur$( ostype &, const char [] ); // set current separator string
33 bool getNL$( ostype & ); // check newline
34 void setNL$( ostype &, bool ); // saw newline
35 bool getANL$( ostype & ); // get auto newline (on/off)
36 bool getPrt$( ostype & ); // get fmt called in output cascade
37 void setPrt$( ostype &, bool ); // set fmt called in output cascade
38 // public
39 void nlOn( ostype & ); // turn auto-newline state on
40 void nlOff( ostype & ); // turn auto-newline state off
41
42 void sep( ostype & ); // turn separator state on
43 void nosep( ostype & ); // turn separator state off
44 bool sepOn( ostype & ); // set default state to on, and return previous state
45 bool sepOff( ostype & ); // set default state to off, and return previous state
46 const char * sepGet( ostype & ); // get separator string
47 void sepSet( ostype &, const char [] ); // set separator to string (15 character maximum)
48 const char * sepGetTuple( ostype & ); // get tuple separator string
49 void sepSetTuple( ostype &, const char [] ); // set tuple separator to string (15 character maximum)
50
51 void ends( ostype & ); // end of output statement
52 int fmt( ostype &, const char format[], ... ) __attribute__(( format(printf, 2, 3) ));
53}; // basic_ostream
54
55forall( ostype & | basic_ostream( ostype ) )
56trait ostream {
57 bool fail( ostype & ); // operation failed?
58 void clear( ostype & );
59 int flush( ostype & );
60 void open( ostype &, const char name[], const char mode[] );
61 void close( ostype & );
62 ostype & write( ostype &, const char [], size_t );
63}; // ostream
64
65// forall( T )
66// trait writeable {
67// forall( ostype & | ostream( ostype ) ) ostype & ?|?( ostype &, T );
68// }; // writeable
69
70forall( T, ostype & | ostream( ostype ) )
71trait writeable {
72 ostype & ?|?( ostype &, T );
73}; // writeable
74
75// implement writable for intrinsic types
76
77#define OSTYPE_VOID( T ) void ?|?( ostype &, T )
78#define OSTYPE_VOID_IMPL( T ) \
79 void ?|?( ostype & os, T t ) { \
80 (ostype &)(os | t); ends( os ); \
81 } // ?|?
82
83forall( ostype & | basic_ostream( ostype ) ) {
84 ostype & ?|?( ostype &, bool );
85 OSTYPE_VOID( bool );
86
87 ostype & ?|?( ostype &, char );
88 OSTYPE_VOID( char );
89 ostype & ?|?( ostype &, signed char );
90 OSTYPE_VOID( signed char );
91 ostype & ?|?( ostype &, unsigned char );
92 OSTYPE_VOID( unsigned char );
93
94 ostype & ?|?( ostype &, short int );
95 OSTYPE_VOID( short int );
96 ostype & ?|?( ostype &, unsigned short int );
97 OSTYPE_VOID( unsigned short int );
98 ostype & ?|?( ostype &, int );
99 OSTYPE_VOID( int );
100 ostype & ?|?( ostype &, unsigned int );
101 OSTYPE_VOID( unsigned int );
102 ostype & ?|?( ostype &, long int );
103 OSTYPE_VOID( long int );
104 ostype & ?|?( ostype &, long long int );
105 OSTYPE_VOID( long long int );
106 ostype & ?|?( ostype &, unsigned long int );
107 OSTYPE_VOID( unsigned long int );
108 ostype & ?|?( ostype &, unsigned long long int );
109 OSTYPE_VOID( unsigned long long int );
110 #if defined( __SIZEOF_INT128__ )
111 ostype & ?|?( ostype &, int128 );
112 OSTYPE_VOID( int128 );
113 ostype & ?|?( ostype &, unsigned int128 );
114 OSTYPE_VOID( unsigned int128 );
115 #endif // __SIZEOF_INT128__
116
117 ostype & ?|?( ostype &, float );
118 OSTYPE_VOID( float );
119 ostype & ?|?( ostype &, double );
120 OSTYPE_VOID( double );
121 ostype & ?|?( ostype &, long double );
122 OSTYPE_VOID( long double );
123
124 ostype & ?|?( ostype &, float _Complex );
125 OSTYPE_VOID( float _Complex );
126 ostype & ?|?( ostype &, double _Complex );
127 OSTYPE_VOID( double _Complex );
128 ostype & ?|?( ostype &, long double _Complex );
129 OSTYPE_VOID( long double _Complex );
130
131 ostype & ?|?( ostype &, const char [] );
132 OSTYPE_VOID( const char [] );
133 // ostype & ?|?( ostype &, const char16_t [] );
134 #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
135 // ostype & ?|?( ostype &, const char32_t [] );
136 #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
137 // ostype & ?|?( ostype &, const wchar_t [] );
138 ostype & ?|?( ostype &, const void * );
139 OSTYPE_VOID( const void * );
140
141 // FIX-ME: does not work so using macros
142 // forall( T | { ostype & ?|?( ostype &, T ); } )
143 // void ?|?( ostype & os, T );
144
145 // manipulators
146 ostype & ?|?( ostype &, ostype & (*)( ostype & ) );
147 OSTYPE_VOID( ostype & (*)( ostype & ) );
148
149 ostype & nl( ostype & );
150 ostype & nonl( ostype & );
151 ostype & nlOn( ostype & );
152 ostype & nlOff( ostype & );
153
154 ostype & sepVal( ostype & );
155 ostype & sepTupleVal( ostype & );
156 ostype & sep( ostype & );
157 ostype & nosep( ostype & );
158 ostype & sepOn( ostype & );
159 ostype & sepOff( ostype & );
160} // distribution
161
162// tuples
163forall( ostype &, T, Params... | writeable( T, ostype ) | { ostype & ?|?( ostype &, Params ); } ) {
164 ostype & ?|?( ostype & os, T arg, Params rest );
165 void ?|?( ostype & os, T arg, Params rest );
166} // distribution
167
168// writes the range [begin, end) to the given stream
169forall( ostype &, elt_type | writeable( elt_type, ostype ), iterator_type | iterator( iterator_type, elt_type ) ) {
170 void write( iterator_type begin, iterator_type end, ostype & os );
171 void write_reverse( iterator_type begin, iterator_type end, ostype & os );
172} // distribution
173
174// *********************************** manipulators ***********************************
175
176struct _Ostream_Flags {
177 unsigned char eng:1; // engineering notation
178 unsigned char neg:1; // val is negative
179 unsigned char pc:1; // precision specified
180 unsigned char left:1; // left justify
181 unsigned char nobsdp:1; // base prefix / decimal point
182 unsigned char sign:1; // plus / minus sign
183 unsigned char pad0:1; // zero pad
184};
185
186forall( T )
187struct _Ostream_Manip {
188 T val; // polymorphic base-type
189 int wd, pc; // width, precision: signed for computations
190 char base; // numeric base / floating-point style
191 union {
192 unsigned char all;
193 _Ostream_Flags flags;
194 };
195}; // _Ostream_Manip
196
197// *********************************** integral ***********************************
198
199// See 6.7.9. 19) The initialization shall occur in initializer list order, each initializer provided for a particular
200// subobject overriding any previously listed initializer for the same subobject; ***all subobjects that are not
201// initialized explicitly shall be initialized implicitly the same as objects that have static storage duration.***
202
203#define INTEGRAL_FMT_DECL( T, CODE ) \
204static inline { \
205 _Ostream_Manip(T) bin( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'b', { .all : 0 } }; } \
206 _Ostream_Manip(T) oct( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'o', { .all : 0 } }; } \
207 _Ostream_Manip(T) hex( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'x', { .all : 0 } }; } \
208 _Ostream_Manip(T) wd( unsigned int w, T val ) { return (_Ostream_Manip(T))@{ val, w, 0, CODE, { .all : 0 } }; } \
209 _Ostream_Manip(T) wd( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, CODE, { .flags.pc : true } }; } \
210 _Ostream_Manip(T) & wd( unsigned int w, _Ostream_Manip(T) & fmt ) { fmt.wd = w; return fmt; } \
211 _Ostream_Manip(T) & wd( unsigned int w, unsigned int pc, _Ostream_Manip(T) & fmt ) { fmt.wd = w; fmt.pc = pc; fmt.flags.pc = true; return fmt; } \
212 _Ostream_Manip(T) & left( _Ostream_Manip(T) & fmt ) { fmt.flags.left = true; return fmt; } \
213 _Ostream_Manip(T) & upcase( _Ostream_Manip(T) & fmt ) { if ( fmt.base == 'x' || fmt.base == 'b' ) fmt.base -= 32; /* upper case */ return fmt; } \
214 _Ostream_Manip(T) & nobase( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
215 _Ostream_Manip(T) & pad0( _Ostream_Manip(T) & fmt ) { fmt.flags.pad0 = true; return fmt; } \
216 _Ostream_Manip(T) sign( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, CODE, { .flags.sign : true } }; } \
217 _Ostream_Manip(T) & sign( _Ostream_Manip(T) & fmt ) { fmt.flags.sign = true; return fmt; } \
218} /* distribution */ \
219forall( ostype & | basic_ostream( ostype ) ) { \
220 ostype & ?|?( ostype & os, _Ostream_Manip(T) f ); \
221 OSTYPE_VOID( _Ostream_Manip(T) ); \
222} // ?|?
223
224INTEGRAL_FMT_DECL( signed char, 'd' )
225INTEGRAL_FMT_DECL( unsigned char, 'u' )
226INTEGRAL_FMT_DECL( signed short int, 'd' )
227INTEGRAL_FMT_DECL( unsigned short int, 'u' )
228INTEGRAL_FMT_DECL( signed int, 'd' )
229INTEGRAL_FMT_DECL( unsigned int, 'u' )
230INTEGRAL_FMT_DECL( signed long int, 'd' )
231INTEGRAL_FMT_DECL( unsigned long int, 'u' )
232INTEGRAL_FMT_DECL( signed long long int, 'd' )
233INTEGRAL_FMT_DECL( unsigned long long int, 'u' )
234#if defined( __SIZEOF_INT128__ )
235INTEGRAL_FMT_DECL( int128, 'd' )
236INTEGRAL_FMT_DECL( unsigned int128, 'u' )
237#endif // __SIZEOF_INT128__
238
239// *********************************** floating point ***********************************
240
241// Default suffix for values with no fraction is "."
242#define FLOATING_POINT_FMT_DECL( T ) \
243static inline { \
244 _Ostream_Manip(T) hex( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'a', { .all : 0 } }; } \
245 _Ostream_Manip(T) sci( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'e', { .all : 0 } }; } \
246 _Ostream_Manip(T) eng( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.eng : true } }; } \
247 _Ostream_Manip(T) wd( unsigned int w, T val ) { return (_Ostream_Manip(T))@{ val, w, 0, 'g', { .all : 0 } }; } \
248 _Ostream_Manip(T) wd( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, 'f', { .flags.pc : true } }; } \
249 _Ostream_Manip(T) ws( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, 'g', { .flags.pc : true } }; } \
250 _Ostream_Manip(T) & wd( unsigned int w, _Ostream_Manip(T) & fmt ) { if ( fmt.flags.eng ) fmt.base = 'f'; fmt.wd = w; return fmt; } \
251 _Ostream_Manip(T) & wd( unsigned int w, unsigned int pc, _Ostream_Manip(T) & fmt ) { if ( fmt.flags.eng ) fmt.base = 'f'; fmt.wd = w; fmt.pc = pc; fmt.flags.pc = true; return fmt; } \
252 _Ostream_Manip(T) & ws( unsigned int w, unsigned int pc, _Ostream_Manip(T) & fmt ) { fmt.wd = w; fmt.pc = pc; fmt.flags.pc = true; return fmt; } \
253 _Ostream_Manip(T) & left( _Ostream_Manip(T) & fmt ) { fmt.flags.left = true; return fmt; } \
254 _Ostream_Manip(T) upcase( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'G', { .all : 0 } }; } \
255 _Ostream_Manip(T) & upcase( _Ostream_Manip(T) & fmt ) { fmt.base -= 32; /* upper case */ return fmt; } \
256 _Ostream_Manip(T) & pad0( _Ostream_Manip(T) & fmt ) { fmt.flags.pad0 = true; return fmt; } \
257 _Ostream_Manip(T) sign( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.sign : true } }; } \
258 _Ostream_Manip(T) & sign( _Ostream_Manip(T) & fmt ) { fmt.flags.sign = true; return fmt; } \
259 _Ostream_Manip(T) nodp( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.nobsdp : true } }; } \
260 _Ostream_Manip(T) & nodp( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
261 _Ostream_Manip(T) unit( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.nobsdp : true } }; } \
262 _Ostream_Manip(T) & unit( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
263} /* distribution */ \
264forall( ostype & | basic_ostream( ostype ) ) { \
265 ostype & ?|?( ostype & os, _Ostream_Manip(T) f ); \
266 OSTYPE_VOID( _Ostream_Manip(T) ); \
267} // ?|?
268
269FLOATING_POINT_FMT_DECL( double )
270FLOATING_POINT_FMT_DECL( long double )
271
272// *********************************** character ***********************************
273
274static inline {
275 _Ostream_Manip(char) bin( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'b', { .all : 0 } }; }
276 _Ostream_Manip(char) oct( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'o', { .all : 0 } }; }
277 _Ostream_Manip(char) hex( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'x', { .all : 0 } }; }
278 _Ostream_Manip(char) wd( unsigned int w, char c ) { return (_Ostream_Manip(char))@{ c, w, 0, 'c', { .all : 0 } }; }
279 _Ostream_Manip(char) & wd( unsigned int w, _Ostream_Manip(char) & fmt ) { fmt.wd = w; return fmt; }
280 _Ostream_Manip(char) & left( _Ostream_Manip(char) & fmt ) { fmt.flags.left = true; return fmt; }
281 _Ostream_Manip(char) & upcase( _Ostream_Manip(char) & fmt ) { if ( fmt.base == 'x' || fmt.base == 'b' ) fmt.base -= 32; /* upper case */ return fmt; }
282 _Ostream_Manip(char) & nobase( _Ostream_Manip(char) & fmt ) { fmt.flags.nobsdp = true; return fmt; }
283} // distribution
284forall( ostype & | basic_ostream( ostype ) ) {
285 ostype & ?|?( ostype & os, _Ostream_Manip(char) f );
286 OSTYPE_VOID( _Ostream_Manip(char) ); \
287} // ?|?
288
289// *********************************** C string ***********************************
290
291static inline {
292 _Ostream_Manip(const char *) bin( const char s[] ) { return (_Ostream_Manip(const char *))@{ s, 1, 0, 'b', { .all : 0 } }; }
293 _Ostream_Manip(const char *) oct( const char s[] ) { return (_Ostream_Manip(const char *))@{ s, 1, 0, 'o', { .all : 0 } }; }
294 _Ostream_Manip(const char *) hex( const char s[] ) { return (_Ostream_Manip(const char *))@{ s, 1, 0, 'x', { .all : 0 } }; }
295 _Ostream_Manip(const char *) wd( unsigned int w, const char s[] ) { return (_Ostream_Manip(const char *))@{ s, w, 0, 's', { .all : 0 } }; }
296 _Ostream_Manip(const char *) wd( unsigned int w, unsigned int pc, const char s[] ) { return (_Ostream_Manip(const char *))@{ s, w, pc, 's', { .flags.pc : true } }; }
297 _Ostream_Manip(const char *) & wd( unsigned int w, _Ostream_Manip(const char *) & fmt ) { fmt.wd = w; return fmt; }
298 _Ostream_Manip(const char *) & wd( unsigned int w, unsigned int pc, _Ostream_Manip(const char *) & fmt ) { fmt.wd = w; fmt.pc = pc; fmt.flags.pc = true; return fmt; }
299 _Ostream_Manip(const char *) & left( _Ostream_Manip(const char *) & fmt ) { fmt.flags.left = true; return fmt; }
300 _Ostream_Manip(const char *) & nobase( _Ostream_Manip(const char *) & fmt ) { fmt.flags.nobsdp = true; return fmt; }
301} // distribution
302forall( ostype & | basic_ostream( ostype ) ) {
303 ostype & ?|?( ostype & os, _Ostream_Manip(const char *) f );
304 OSTYPE_VOID( _Ostream_Manip(const char *) ); \
305} // ?|?
306
307
308// *********************************** istream ***********************************
309
310
311#define ISTYPE_VOID( T ) void ?|?( istype &, T )
312#define ISTYPE_VOID_IMPL( T ) \
313 void ?|?( istype & is, T t ) { \
314 (istype &)(is | t); ends( is ); \
315 } // ?|?
316
317forall( istype & )
318trait basic_istream {
319 // private
320 bool getANL$( istype & ); // get scan newline (on/off)
321 // public
322 void nlOn( istype & ); // read newline
323 void nlOff( istype & ); // scan newline
324 void ends( istype & os ); // end of output statement
325 int fmt( istype &, const char format[], ... ) __attribute__(( format(scanf, 2, 3) ));
326 istype & ungetc( istype &, char );
327 bool eof( istype & );
328}; // basic_istream
329
330forall( istype & | basic_istream( istype ) )
331trait istream {
332 bool fail( istype & );
333 void clear( istype & );
334 void open( istype & is, const char name[] );
335 void close( istype & is );
336 istype & read( istype &, char [], size_t );
337}; // istream
338
339forall( T )
340trait readable {
341 forall( istype & | istream( istype ) ) istype & ?|?( istype &, T );
342}; // readable
343
344forall( istype & | basic_istream( istype ) ) {
345 istype & ?|?( istype &, bool & );
346 ISTYPE_VOID( bool & );
347
348 istype & ?|?( istype &, char & );
349 ISTYPE_VOID( char & );
350 istype & ?|?( istype &, signed char & );
351 ISTYPE_VOID( signed char & );
352 istype & ?|?( istype &, unsigned char & );
353 ISTYPE_VOID( unsigned char & );
354
355 istype & ?|?( istype &, short int & );
356 ISTYPE_VOID( short int & );
357 istype & ?|?( istype &, unsigned short int & );
358 ISTYPE_VOID( unsigned short int & );
359 istype & ?|?( istype &, int & );
360 ISTYPE_VOID( int & );
361 istype & ?|?( istype &, unsigned int & );
362 ISTYPE_VOID( unsigned int & );
363 istype & ?|?( istype &, long int & );
364 ISTYPE_VOID( long int & );
365 istype & ?|?( istype &, unsigned long int & );
366 ISTYPE_VOID( unsigned long int & );
367 istype & ?|?( istype &, long long int & );
368 ISTYPE_VOID( long long int & );
369 istype & ?|?( istype &, unsigned long long int & );
370 ISTYPE_VOID( unsigned long long int & );
371 #if defined( __SIZEOF_INT128__ )
372 istype & ?|?( istype &, int128 & );
373 ISTYPE_VOID( int128 & );
374 istype & ?|?( istype &, unsigned int128 & );
375 ISTYPE_VOID( unsigned int128 & );
376 #endif // __SIZEOF_INT128__
377
378 istype & ?|?( istype &, float & );
379 ISTYPE_VOID( float & );
380 istype & ?|?( istype &, double & );
381 ISTYPE_VOID( double & );
382 istype & ?|?( istype &, long double & );
383 ISTYPE_VOID( long double & );
384
385 istype & ?|?( istype &, float _Complex & );
386 ISTYPE_VOID( float _Complex & );
387 istype & ?|?( istype &, double _Complex & );
388 ISTYPE_VOID( double _Complex & );
389 istype & ?|?( istype &, long double _Complex & );
390 ISTYPE_VOID( long double _Complex & );
391
392// istype & ?|?( istype &, const char [] );
393// istype & ?|?( istype &, char [] );
394// ISTYPE_VOID( char [] );
395
396 // manipulators
397 istype & ?|?( istype &, istype & (*)( istype & ) );
398 ISTYPE_VOID( istype & (*)( istype & ) );
399 istype & nl( istype & is );
400 istype & nlOn( istype & );
401 istype & nlOff( istype & );
402} // distribution
403
404
405// *********************************** exceptions ***********************************
406
407
408ExceptionDecl( cstring_length );
409
410
411// *********************************** manipulators ***********************************
412
413struct _Istream_Cstr {
414 char * s;
415 union {
416 const char * scanset;
417 char delimit;
418 };
419 int wd; // width
420 union {
421 unsigned char all;
422 struct {
423 unsigned char ignore:1; // do not change input argument
424 unsigned char inex:1; // include/exclude characters in scanset
425 unsigned char delimit:1; // delimit character
426 unsigned char rwd:1; // read width
427 } flags;
428 };
429}; // _Istream_Cstr
430
431static inline {
432 _Istream_Cstr skip( const char scanset[] ) { return (_Istream_Cstr){ 0p, {scanset}, -1, {.all : 0} }; }
433 _Istream_Cstr skip( unsigned int wd ) { return (_Istream_Cstr){ 0p, {0p}, wd, {.all : 0} }; }
434 _Istream_Cstr & getline( _Istream_Cstr & fmt ) { fmt.delimit = '\n'; fmt.flags.delimit = true; return fmt; }
435 _Istream_Cstr & getline( const char delimit, _Istream_Cstr & fmt ) { fmt.delimit = delimit; fmt.flags.delimit = true; return fmt; }
436// _Istream_Cstr incl( const char scanset[], char s[] ) { return (_Istream_Cstr){ s, {scanset}, -1, { .flags.inex : false } }; }
437// _Istream_Cstr incl( const char scanset[], unsigned int wd, char s[] ) { return (_Istream_Cstr){ s, {scanset}, wd, {.flags.inex : false} }; }
438 _Istream_Cstr & incl( const char scanset[], _Istream_Cstr & fmt ) { fmt.scanset = scanset; fmt.flags.inex = false; return fmt; }
439// _Istream_Cstr excl( const char scanset[], char s[] ) { return (_Istream_Cstr){ s, {scanset}, -1, { .flags.inex : true } }; }
440// _Istream_Cstr excl( const char scanset[], unsigned int wd, char s[] ) { return (_Istream_Cstr){ s, {scanset}, wd, {.flags.inex : true} }; }
441 _Istream_Cstr & excl( const char scanset[], _Istream_Cstr & fmt ) { fmt.scanset = scanset; fmt.flags.inex = true; return fmt; }
442 _Istream_Cstr ignore( char s[] ) { return (_Istream_Cstr)@{ s, {0p}, -1, {.flags.ignore : true} }; }
443 _Istream_Cstr & ignore( _Istream_Cstr & fmt ) { fmt.flags.ignore = true; return fmt; }
444 _Istream_Cstr wdi( unsigned int wd, char s[] ) { return (_Istream_Cstr)@{ s, {0p}, wd, {.all : 0} }; }
445 _Istream_Cstr wdi( unsigned int wd, unsigned int rwd, char s[] ) {
446 if ( wd <= rwd ) throw (cstring_length){ &cstring_length_vt };
447 return (_Istream_Cstr)@{ s, {0p}, rwd, {.flags.rwd : true} };
448 }
449// _Istream_Cstr & wdi( unsigned int wd, _Istream_Cstr & fmt ) { fmt.wd = wd; return fmt; }
450} // distribution
451forall( istype & | basic_istream( istype ) ) {
452 istype & ?|?( istype & is, _Istream_Cstr f );
453 ISTYPE_VOID( _Istream_Cstr );
454}
455
456struct _Istream_Char {
457 bool ignore; // do not change input argument
458}; // _Istream_Char
459
460static inline {
461 _Istream_Char ignore( const char ) { return (_Istream_Char)@{ true }; }
462 _Istream_Char & ignore( _Istream_Char & fmt ) { fmt.ignore = true; return fmt; }
463} // distribution
464forall( istype & | basic_istream( istype ) ) {
465 istype & ?|?( istype & is, _Istream_Char f );
466 ISTYPE_VOID( _Istream_Char );
467}
468
469forall( T & | sized( T ) )
470struct _Istream_Manip {
471 T & val; // polymorphic base-type
472 int wd; // width
473 bool ignore; // do not change input argument
474}; // _Istream_Manip
475
476#define INPUT_FMT_DECL( T ) \
477static inline { \
478 _Istream_Manip(T) ignore( const T & val ) { return (_Istream_Manip(T))@{ (T &)val, -1, true }; } \
479 _Istream_Manip(T) & ignore( _Istream_Manip(T) & fmt ) { fmt.ignore = true; return fmt; } \
480 _Istream_Manip(T) wdi( unsigned int wd, T & val ) { return (_Istream_Manip(T))@{ val, wd, false }; } \
481 _Istream_Manip(T) & wdi( unsigned int wd, _Istream_Manip(T) & fmt ) { fmt.wd = wd; return fmt; } \
482} /* distribution */ \
483forall( istype & | basic_istream( istype ) ) { \
484 istype & ?|?( istype & is, _Istream_Manip(T) f ); \
485 ISTYPE_VOID( _Istream_Manip(T) ); \
486} // ?|?
487
488INPUT_FMT_DECL( signed char )
489INPUT_FMT_DECL( unsigned char )
490INPUT_FMT_DECL( signed short int )
491INPUT_FMT_DECL( unsigned short int )
492INPUT_FMT_DECL( signed int )
493INPUT_FMT_DECL( unsigned int )
494INPUT_FMT_DECL( signed long int )
495INPUT_FMT_DECL( unsigned long int )
496INPUT_FMT_DECL( signed long long int )
497INPUT_FMT_DECL( unsigned long long int )
498
499INPUT_FMT_DECL( float )
500INPUT_FMT_DECL( double )
501INPUT_FMT_DECL( long double )
502
503INPUT_FMT_DECL( float _Complex )
504INPUT_FMT_DECL( double _Complex )
505INPUT_FMT_DECL( long double _Complex )
506
507
508// *********************************** time ***********************************
509
510
511#include <time_t.hfa> // Duration (constructors) / Time (constructors)
512
513forall( ostype & | ostream( ostype ) ) {
514 ostype & ?|?( ostype & os, Duration dur );
515 OSTYPE_VOID( Duration );
516 ostype & ?|?( ostype & os, Time time );
517 OSTYPE_VOID( Time );
518} // distribution
519
520// Local Variables: //
521// tab-width: 4 //
522// End: //
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