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iostream.hfa @ d0cfcbe1

Last change on this file since d0cfcbe1 was d0cfcbe1, checked in by Peter A. Buhr <pabuhr@…>, 11 months ago
change setter routines in basic_i/ostream to return previous state
Property mode set to `100644`
File size: 22.1 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 : Fri Aug 18 10:44:50 2023
13	// Update Count : 512
14	//
15
16	#pragma once
17
18	#include "iterator.hfa"
19	#include "Exception.hfa"
20
21
22	// ********************************* ostream *********************************
23
24
25	forall( ostype & )
26	trait 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 & ); // get newline
34	bool setNL$( ostype &, bool ); // set newline
35	bool getANL$( ostype & ); // get auto newline (on/off)
36	bool setANL$( ostype &, bool ); // set auto newline (on/off), and return previous state
37	bool getPrt$( ostype & ); // get fmt called in output cascade
38	bool setPrt$( ostype &, bool ); // set fmt called in output cascade
39	// public
40	void nlOn( ostype & ); // turn auto-newline state on
41	void nlOff( ostype & ); // turn auto-newline state off
42
43	void sep( ostype & ); // turn separator state on
44	void nosep( ostype & ); // turn separator state off
45	bool sepOn( ostype & ); // set default state to on, and return previous state
46	bool sepOff( ostype & ); // set default state to off, and return previous state
47	const char * sepGet( ostype & ); // get separator string
48	void sepSet( ostype &, const char [] ); // set separator to string (15 character maximum)
49	const char * sepGetTuple( ostype & ); // get tuple separator string
50	void sepSetTuple( ostype &, const char [] ); // set tuple separator to string (15 character maximum)
51
52	void ends( ostype & ); // end of output statement
53	int fmt( ostype &, const char format[], ... ) __attribute__(( format(printf, 2, 3) ));
54	}; // basic_ostream
55
56	forall( ostype & \| basic_ostream( ostype ) )
57	trait ostream {
58	bool fail( ostype & ); // operation failed?
59	void clear( ostype & );
60	int flush( ostype & );
61	void open( ostype &, const char name[], const char mode[] );
62	void close( ostype & );
63	ostype & write( ostype &, const char [], size_t );
64	}; // ostream
65
66	// forall( T )
67	// trait writeable {
68	// forall( ostype & \| ostream( ostype ) ) ostype & ?\|?( ostype &, T );
69	// }; // writeable
70
71	forall( T, ostype & \| ostream( ostype ) )
72	trait writeable {
73	ostype & ?\|?( ostype &, T );
74	}; // writeable
75
76	// implement writable for intrinsic types
77
78	#define OSTYPE_VOID( T ) void ?\|?( ostype &, T )
79	#define OSTYPE_VOID_IMPL( T ) \
80	void ?\|?( ostype & os, T t ) { \
81	(ostype &)(os \| t); ends( os ); \
82	} // ?\|?
83
84	forall( ostype & \| basic_ostream( ostype ) ) {
85	ostype & ?\|?( ostype &, bool );
86	OSTYPE_VOID( bool );
87
88	ostype & ?\|?( ostype &, char );
89	OSTYPE_VOID( char );
90	ostype & ?\|?( ostype &, signed char );
91	OSTYPE_VOID( signed char );
92	ostype & ?\|?( ostype &, unsigned char );
93	OSTYPE_VOID( unsigned char );
94
95	ostype & ?\|?( ostype &, short int );
96	OSTYPE_VOID( short int );
97	ostype & ?\|?( ostype &, unsigned short int );
98	OSTYPE_VOID( unsigned short int );
99	ostype & ?\|?( ostype &, int );
100	OSTYPE_VOID( int );
101	ostype & ?\|?( ostype &, unsigned int );
102	OSTYPE_VOID( unsigned int );
103	ostype & ?\|?( ostype &, long int );
104	OSTYPE_VOID( long int );
105	ostype & ?\|?( ostype &, long long int );
106	OSTYPE_VOID( long long int );
107	ostype & ?\|?( ostype &, unsigned long int );
108	OSTYPE_VOID( unsigned long int );
109	ostype & ?\|?( ostype &, unsigned long long int );
110	OSTYPE_VOID( unsigned long long int );
111	#if defined( __SIZEOF_INT128__ )
112	ostype & ?\|?( ostype &, int128 );
113	OSTYPE_VOID( int128 );
114	ostype & ?\|?( ostype &, unsigned int128 );
115	OSTYPE_VOID( unsigned int128 );
116	#endif // __SIZEOF_INT128__
117
118	ostype & ?\|?( ostype &, float );
119	OSTYPE_VOID( float );
120	ostype & ?\|?( ostype &, double );
121	OSTYPE_VOID( double );
122	ostype & ?\|?( ostype &, long double );
123	OSTYPE_VOID( long double );
124
125	ostype & ?\|?( ostype &, float _Complex );
126	OSTYPE_VOID( float _Complex );
127	ostype & ?\|?( ostype &, double _Complex );
128	OSTYPE_VOID( double _Complex );
129	ostype & ?\|?( ostype &, long double _Complex );
130	OSTYPE_VOID( long double _Complex );
131
132	ostype & ?\|?( ostype &, const char [] );
133	OSTYPE_VOID( const char [] );
134	// ostype & ?\|?( ostype &, const char16_t [] );
135	#if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
136	// ostype & ?\|?( ostype &, const char32_t [] );
137	#endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
138	// ostype & ?\|?( ostype &, const wchar_t [] );
139	ostype & ?\|?( ostype &, const void * );
140	OSTYPE_VOID( const void * );
141
142	// FIX-ME: does not work so using macros
143	// forall( T \| { ostype & ?\|?( ostype &, T ); } )
144	// void ?\|?( ostype & os, T );
145
146	// manipulators
147	ostype & ?\|?( ostype &, ostype & (*)( ostype & ) );
148	OSTYPE_VOID( ostype & (*)( ostype & ) );
149
150	ostype & nl( ostype & );
151	ostype & nonl( ostype & );
152	ostype & nlOn( ostype & );
153	ostype & nlOff( ostype & );
154
155	ostype & sepVal( ostype & );
156	ostype & sepTupleVal( ostype & );
157	ostype & sep( ostype & );
158	ostype & nosep( ostype & );
159	ostype & sepOn( ostype & );
160	ostype & sepOff( ostype & );
161	} // distribution
162
163	// tuples
164	forall( ostype &, T, Params... \| writeable( T, ostype ) \| { ostype & ?\|?( ostype &, Params ); } ) {
165	ostype & ?\|?( ostype & os, T arg, Params rest );
166	void ?\|?( ostype & os, T arg, Params rest );
167	} // distribution
168
169	// writes the range [begin, end) to the given stream
170	forall( ostype &, elt_type \| writeable( elt_type, ostype ), iterator_type \| iterator( iterator_type, elt_type ) ) {
171	void write( iterator_type begin, iterator_type end, ostype & os );
172	void write_reverse( iterator_type begin, iterator_type end, ostype & os );
173	} // distribution
174
175	// ********************************* manipulators *********************************
176
177	struct _Ostream_Flags {
178	unsigned char eng:1; // engineering notation
179	unsigned char neg:1; // val is negative
180	unsigned char pc:1; // precision specified
181	unsigned char left:1; // left justify
182	unsigned char nobsdp:1; // base prefix / decimal point
183	unsigned char sign:1; // plus / minus sign
184	unsigned char pad0:1; // zero pad
185	};
186
187	forall( T )
188	struct _Ostream_Manip {
189	T val; // polymorphic base-type
190	int wd, pc; // width, precision: signed for computations
191	char base; // numeric base / floating-point style
192	union {
193	unsigned char all;
194	_Ostream_Flags flags;
195	};
196	}; // _Ostream_Manip
197
198	// ********************************* integral *********************************
199
200	// See 6.7.9. 19) The initialization shall occur in initializer list order, each initializer provided for a particular
201	// subobject overriding any previously listed initializer for the same subobject; ***all subobjects that are not
202	// initialized explicitly shall be initialized implicitly the same as objects that have static storage duration.***
203
204	#define INTEGRAL_FMT_DECL( T, CODE ) \
205	static inline { \
206	_Ostream_Manip(T) bin( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'b', { .all : 0 } }; } \
207	_Ostream_Manip(T) oct( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'o', { .all : 0 } }; } \
208	_Ostream_Manip(T) hex( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'x', { .all : 0 } }; } \
209	_Ostream_Manip(T) wd( unsigned int w, T val ) { return (_Ostream_Manip(T))@{ val, w, 0, CODE, { .all : 0 } }; } \
210	_Ostream_Manip(T) wd( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, CODE, { .flags.pc : true } }; } \
211	_Ostream_Manip(T) & wd( unsigned int w, _Ostream_Manip(T) & fmt ) { fmt.wd = w; return fmt; } \
212	_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; } \
213	_Ostream_Manip(T) & left( _Ostream_Manip(T) & fmt ) { fmt.flags.left = true; return fmt; } \
214	_Ostream_Manip(T) & upcase( _Ostream_Manip(T) & fmt ) { if ( fmt.base == 'x' \|\| fmt.base == 'b' ) fmt.base -= 32; /* upper case */ return fmt; } \
215	_Ostream_Manip(T) & nobase( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
216	_Ostream_Manip(T) & pad0( _Ostream_Manip(T) & fmt ) { fmt.flags.pad0 = true; return fmt; } \
217	_Ostream_Manip(T) sign( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, CODE, { .flags.sign : true } }; } \
218	_Ostream_Manip(T) & sign( _Ostream_Manip(T) & fmt ) { fmt.flags.sign = true; return fmt; } \
219	} /* distribution */ \
220	forall( ostype & \| basic_ostream( ostype ) ) { \
221	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ); \
222	OSTYPE_VOID( _Ostream_Manip(T) ); \
223	} // ?\|?
224
225	INTEGRAL_FMT_DECL( signed char, 'd' )
226	INTEGRAL_FMT_DECL( unsigned char, 'u' )
227	INTEGRAL_FMT_DECL( signed short int, 'd' )
228	INTEGRAL_FMT_DECL( unsigned short int, 'u' )
229	INTEGRAL_FMT_DECL( signed int, 'd' )
230	INTEGRAL_FMT_DECL( unsigned int, 'u' )
231	INTEGRAL_FMT_DECL( signed long int, 'd' )
232	INTEGRAL_FMT_DECL( unsigned long int, 'u' )
233	INTEGRAL_FMT_DECL( signed long long int, 'd' )
234	INTEGRAL_FMT_DECL( unsigned long long int, 'u' )
235	#if defined( __SIZEOF_INT128__ )
236	INTEGRAL_FMT_DECL( int128, 'd' )
237	INTEGRAL_FMT_DECL( unsigned int128, 'u' )
238	#endif // __SIZEOF_INT128__
239
240	// ********************************* floating point *********************************
241
242	// Default suffix for values with no fraction is "."
243	#define FLOATING_POINT_FMT_DECL( T ) \
244	static inline { \
245	_Ostream_Manip(T) hex( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'a', { .all : 0 } }; } \
246	_Ostream_Manip(T) sci( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'e', { .all : 0 } }; } \
247	_Ostream_Manip(T) eng( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.eng : true } }; } \
248	_Ostream_Manip(T) wd( unsigned int w, T val ) { return (_Ostream_Manip(T))@{ val, w, 0, 'g', { .all : 0 } }; } \
249	_Ostream_Manip(T) wd( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, 'f', { .flags.pc : true } }; } \
250	_Ostream_Manip(T) ws( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, 'g', { .flags.pc : true } }; } \
251	_Ostream_Manip(T) & wd( unsigned int w, _Ostream_Manip(T) & fmt ) { if ( fmt.flags.eng ) fmt.base = 'f'; fmt.wd = w; return fmt; } \
252	_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; } \
253	_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; } \
254	_Ostream_Manip(T) & left( _Ostream_Manip(T) & fmt ) { fmt.flags.left = true; return fmt; } \
255	_Ostream_Manip(T) upcase( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'G', { .all : 0 } }; } \
256	_Ostream_Manip(T) & upcase( _Ostream_Manip(T) & fmt ) { fmt.base -= 32; /* upper case */ return fmt; } \
257	_Ostream_Manip(T) & pad0( _Ostream_Manip(T) & fmt ) { fmt.flags.pad0 = true; return fmt; } \
258	_Ostream_Manip(T) sign( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.sign : true } }; } \
259	_Ostream_Manip(T) & sign( _Ostream_Manip(T) & fmt ) { fmt.flags.sign = true; return fmt; } \
260	_Ostream_Manip(T) nodp( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.nobsdp : true } }; } \
261	_Ostream_Manip(T) & nodp( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
262	_Ostream_Manip(T) unit( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.nobsdp : true } }; } \
263	_Ostream_Manip(T) & unit( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
264	} /* distribution */ \
265	forall( ostype & \| basic_ostream( ostype ) ) { \
266	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ); \
267	OSTYPE_VOID( _Ostream_Manip(T) ); \
268	} // ?\|?
269
270	FLOATING_POINT_FMT_DECL( double )
271	FLOATING_POINT_FMT_DECL( long double )
272
273	// ********************************* character *********************************
274
275	static inline {
276	_Ostream_Manip(char) bin( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'b', { .all : 0 } }; }
277	_Ostream_Manip(char) oct( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'o', { .all : 0 } }; }
278	_Ostream_Manip(char) hex( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'x', { .all : 0 } }; }
279	_Ostream_Manip(char) wd( unsigned int w, char c ) { return (_Ostream_Manip(char))@{ c, w, 0, 'c', { .all : 0 } }; }
280	_Ostream_Manip(char) & wd( unsigned int w, _Ostream_Manip(char) & fmt ) { fmt.wd = w; return fmt; }
281	_Ostream_Manip(char) & left( _Ostream_Manip(char) & fmt ) { fmt.flags.left = true; return fmt; }
282	_Ostream_Manip(char) & upcase( _Ostream_Manip(char) & fmt ) { if ( fmt.base == 'x' \|\| fmt.base == 'b' ) fmt.base -= 32; /* upper case */ return fmt; }
283	_Ostream_Manip(char) & nobase( _Ostream_Manip(char) & fmt ) { fmt.flags.nobsdp = true; return fmt; }
284	} // distribution
285	forall( ostype & \| basic_ostream( ostype ) ) {
286	ostype & ?\|?( ostype & os, _Ostream_Manip(char) f );
287	OSTYPE_VOID( _Ostream_Manip(char) ); \
288	} // ?\|?
289
290	// ********************************* C string *********************************
291
292	static inline {
293	_Ostream_Manip(const char ) bin( const char s[] ) { return (_Ostream_Manip(const char ))@{ s, 1, 0, 'b', { .all : 0 } }; }
294	_Ostream_Manip(const char ) oct( const char s[] ) { return (_Ostream_Manip(const char ))@{ s, 1, 0, 'o', { .all : 0 } }; }
295	_Ostream_Manip(const char ) hex( const char s[] ) { return (_Ostream_Manip(const char ))@{ s, 1, 0, 'x', { .all : 0 } }; }
296	_Ostream_Manip(const char ) wd( unsigned int w, const char s[] ) { return (_Ostream_Manip(const char ))@{ s, w, 0, 's', { .all : 0 } }; }
297	_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 } }; }
298	_Ostream_Manip(const char ) & wd( unsigned int w, _Ostream_Manip(const char ) & fmt ) { fmt.wd = w; return fmt; }
299	_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; }
300	_Ostream_Manip(const char ) & left( _Ostream_Manip(const char ) & fmt ) { fmt.flags.left = true; return fmt; }
301	_Ostream_Manip(const char ) & nobase( _Ostream_Manip(const char ) & fmt ) { fmt.flags.nobsdp = true; return fmt; }
302	} // distribution
303	forall( ostype & \| basic_ostream( ostype ) ) {
304	ostype & ?\|?( ostype & os, _Ostream_Manip(const char *) f );
305	OSTYPE_VOID( _Ostream_Manip(const char *) ); \
306	} // ?\|?
307
308
309	// ********************************* istream *********************************
310
311
312	#define ISTYPE_VOID( T ) void ?\|?( istype &, T )
313	#define ISTYPE_VOID_IMPL( T ) \
314	void ?\|?( istype & is, T t ) { \
315	(istype &)(is \| t); ends( is ); \
316	} // ?\|?
317
318	forall( istype & )
319	trait basic_istream {
320	// private
321	bool getANL$( istype & ); // get scan newline (on/off)
322	bool setANL$( istype &, bool ); // set scan newline (on/off)
323	// public
324	void nlOn( istype & ); // read newline
325	void nlOff( istype & ); // scan newline
326	void ends( istype & os ); // end of output statement
327	int fmt( istype &, const char format[], ... ) __attribute__(( format(scanf, 2, 3) ));
328	istype & ungetc( istype &, char );
329	bool eof( istype & );
330	}; // basic_istream
331
332	forall( istype & \| basic_istream( istype ) )
333	trait istream {
334	bool fail( istype & );
335	void clear( istype & );
336	void open( istype & is, const char name[] );
337	void close( istype & is );
338	istype & read( istype &, char [], size_t );
339	}; // istream
340
341	forall( T )
342	trait readable {
343	forall( istype & \| istream( istype ) ) istype & ?\|?( istype &, T );
344	}; // readable
345
346	forall( istype & \| basic_istream( istype ) ) {
347	istype & ?\|?( istype &, bool & );
348	ISTYPE_VOID( bool & );
349
350	istype & ?\|?( istype &, char & );
351	ISTYPE_VOID( char & );
352	istype & ?\|?( istype &, signed char & );
353	ISTYPE_VOID( signed char & );
354	istype & ?\|?( istype &, unsigned char & );
355	ISTYPE_VOID( unsigned char & );
356
357	istype & ?\|?( istype &, short int & );
358	ISTYPE_VOID( short int & );
359	istype & ?\|?( istype &, unsigned short int & );
360	ISTYPE_VOID( unsigned short int & );
361	istype & ?\|?( istype &, int & );
362	ISTYPE_VOID( int & );
363	istype & ?\|?( istype &, unsigned int & );
364	ISTYPE_VOID( unsigned int & );
365	istype & ?\|?( istype &, long int & );
366	ISTYPE_VOID( long int & );
367	istype & ?\|?( istype &, unsigned long int & );
368	ISTYPE_VOID( unsigned long int & );
369	istype & ?\|?( istype &, long long int & );
370	ISTYPE_VOID( long long int & );
371	istype & ?\|?( istype &, unsigned long long int & );
372	ISTYPE_VOID( unsigned long long int & );
373	#if defined( __SIZEOF_INT128__ )
374	istype & ?\|?( istype &, int128 & );
375	ISTYPE_VOID( int128 & );
376	istype & ?\|?( istype &, unsigned int128 & );
377	ISTYPE_VOID( unsigned int128 & );
378	#endif // __SIZEOF_INT128__
379
380	istype & ?\|?( istype &, float & );
381	ISTYPE_VOID( float & );
382	istype & ?\|?( istype &, double & );
383	ISTYPE_VOID( double & );
384	istype & ?\|?( istype &, long double & );
385	ISTYPE_VOID( long double & );
386
387	istype & ?\|?( istype &, float _Complex & );
388	ISTYPE_VOID( float _Complex & );
389	istype & ?\|?( istype &, double _Complex & );
390	ISTYPE_VOID( double _Complex & );
391	istype & ?\|?( istype &, long double _Complex & );
392	ISTYPE_VOID( long double _Complex & );
393
394	// istype & ?\|?( istype &, const char [] );
395	// istype & ?\|?( istype &, char [] );
396	// ISTYPE_VOID( char [] );
397
398	// manipulators
399	istype & ?\|?( istype &, istype & (*)( istype & ) );
400	ISTYPE_VOID( istype & (*)( istype & ) );
401	istype & nl( istype & is );
402	istype & nlOn( istype & );
403	istype & nlOff( istype & );
404	} // distribution
405
406
407	// ********************************* exceptions *********************************
408
409
410	ExceptionDecl( cstring_length );
411
412
413	// ********************************* manipulators *********************************
414
415	struct _Istream_Cstr {
416	char * s;
417	union {
418	const char * scanset;
419	char delimit;
420	};
421	int wd; // width
422	union {
423	unsigned char all;
424	struct {
425	unsigned char ignore:1; // do not change input argument
426	unsigned char inex:1; // include/exclude characters in scanset
427	unsigned char delimit:1; // delimit character
428	unsigned char rwd:1; // read width
429	} flags;
430	};
431	}; // _Istream_Cstr
432
433	static inline {
434	_Istream_Cstr skip( const char scanset[] ) { return (_Istream_Cstr){ 0p, {scanset}, -1, {.all : 0} }; }
435	_Istream_Cstr skip( unsigned int wd ) { return (_Istream_Cstr){ 0p, {0p}, wd, {.all : 0} }; }
436	_Istream_Cstr & getline( _Istream_Cstr & fmt ) { fmt.delimit = '\n'; fmt.flags.delimit = true; return fmt; }
437	_Istream_Cstr & getline( const char delimit, _Istream_Cstr & fmt ) { fmt.delimit = delimit; fmt.flags.delimit = true; return fmt; }
438	// _Istream_Cstr incl( const char scanset[], char s[] ) { return (_Istream_Cstr){ s, {scanset}, -1, { .flags.inex : false } }; }
439	// _Istream_Cstr incl( const char scanset[], unsigned int wd, char s[] ) { return (_Istream_Cstr){ s, {scanset}, wd, {.flags.inex : false} }; }
440	_Istream_Cstr & incl( const char scanset[], _Istream_Cstr & fmt ) { fmt.scanset = scanset; fmt.flags.inex = false; return fmt; }
441	// _Istream_Cstr excl( const char scanset[], char s[] ) { return (_Istream_Cstr){ s, {scanset}, -1, { .flags.inex : true } }; }
442	// _Istream_Cstr excl( const char scanset[], unsigned int wd, char s[] ) { return (_Istream_Cstr){ s, {scanset}, wd, {.flags.inex : true} }; }
443	_Istream_Cstr & excl( const char scanset[], _Istream_Cstr & fmt ) { fmt.scanset = scanset; fmt.flags.inex = true; return fmt; }
444	_Istream_Cstr ignore( char s[] ) { return (_Istream_Cstr)@{ s, {0p}, -1, {.flags.ignore : true} }; }
445	_Istream_Cstr & ignore( _Istream_Cstr & fmt ) { fmt.flags.ignore = true; return fmt; }
446	_Istream_Cstr wdi( unsigned int wd, char s[] ) { return (_Istream_Cstr)@{ s, {0p}, wd, {.all : 0} }; }
447	_Istream_Cstr wdi( unsigned int wd, unsigned int rwd, char s[] ) {
448	if ( wd <= rwd ) throw (cstring_length){ &cstring_length_vt };
449	return (_Istream_Cstr)@{ s, {0p}, rwd, {.flags.rwd : true} };
450	}
451	// _Istream_Cstr & wdi( unsigned int wd, _Istream_Cstr & fmt ) { fmt.wd = wd; return fmt; }
452	} // distribution
453	forall( istype & \| basic_istream( istype ) ) {
454	istype & ?\|?( istype & is, _Istream_Cstr f );
455	ISTYPE_VOID( _Istream_Cstr );
456	}
457
458	struct _Istream_Char {
459	bool ignore; // do not change input argument
460	}; // _Istream_Char
461
462	static inline {
463	_Istream_Char ignore( const char ) { return (_Istream_Char)@{ true }; }
464	_Istream_Char & ignore( _Istream_Char & fmt ) { fmt.ignore = true; return fmt; }
465	} // distribution
466	forall( istype & \| basic_istream( istype ) ) {
467	istype & ?\|?( istype & is, _Istream_Char f );
468	ISTYPE_VOID( _Istream_Char );
469	}
470
471	forall( T & \| sized( T ) )
472	struct _Istream_Manip {
473	T & val; // polymorphic base-type
474	int wd; // width
475	bool ignore; // do not change input argument
476	}; // _Istream_Manip
477
478	#define INPUT_FMT_DECL( T ) \
479	static inline { \
480	_Istream_Manip(T) ignore( const T & val ) { return (_Istream_Manip(T))@{ (T &)val, -1, true }; } \
481	_Istream_Manip(T) & ignore( _Istream_Manip(T) & fmt ) { fmt.ignore = true; return fmt; } \
482	_Istream_Manip(T) wdi( unsigned int wd, T & val ) { return (_Istream_Manip(T))@{ val, wd, false }; } \
483	_Istream_Manip(T) & wdi( unsigned int wd, _Istream_Manip(T) & fmt ) { fmt.wd = wd; return fmt; } \
484	} /* distribution */ \
485	forall( istype & \| basic_istream( istype ) ) { \
486	istype & ?\|?( istype & is, _Istream_Manip(T) f ); \
487	ISTYPE_VOID( _Istream_Manip(T) ); \
488	} // ?\|?
489
490	INPUT_FMT_DECL( signed char )
491	INPUT_FMT_DECL( unsigned char )
492	INPUT_FMT_DECL( signed short int )
493	INPUT_FMT_DECL( unsigned short int )
494	INPUT_FMT_DECL( signed int )
495	INPUT_FMT_DECL( unsigned int )
496	INPUT_FMT_DECL( signed long int )
497	INPUT_FMT_DECL( unsigned long int )
498	INPUT_FMT_DECL( signed long long int )
499	INPUT_FMT_DECL( unsigned long long int )
500
501	INPUT_FMT_DECL( float )
502	INPUT_FMT_DECL( double )
503	INPUT_FMT_DECL( long double )
504
505	INPUT_FMT_DECL( float _Complex )
506	INPUT_FMT_DECL( double _Complex )
507	INPUT_FMT_DECL( long double _Complex )
508
509
510	// ********************************* time *********************************
511
512
513	#include <time_t.hfa> // Duration (constructors) / Time (constructors)
514
515	forall( ostype & \| ostream( ostype ) ) {
516	ostype & ?\|?( ostype & os, Duration dur );
517	OSTYPE_VOID( Duration );
518	ostype & ?\|?( ostype & os, Time time );
519	OSTYPE_VOID( Time );
520	} // distribution
521
522	// Local Variables: //
523	// tab-width: 4 //
524	// End: //

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