Context Navigation

ostream.tcc

Last change on this file was 2, checked in by jglee, 11 years ago
first commit
Property svn:executable set to ``*
File size: 19.7 KB

Line
1	// ostream classes -- C++ --
2
3	// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
4	// Free Software Foundation, Inc.
5	//
6	// This file is part of the GNU ISO C++ Library. This library is free
7	// software; you can redistribute it and/or modify it under the
8	// terms of the GNU General Public License as published by the
9	// Free Software Foundation; either version 2, or (at your option)
10	// any later version.
11
12	// This library is distributed in the hope that it will be useful,
13	// but WITHOUT ANY WARRANTY; without even the implied warranty of
14	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	// GNU General Public License for more details.
16
17	// You should have received a copy of the GNU General Public License along
18	// with this library; see the file COPYING. If not, write to the Free
19	// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
20	// USA.
21
22	// As a special exception, you may use this file as part of a free software
23	// library without restriction. Specifically, if other files instantiate
24	// templates or use macros or inline functions from this file, or you compile
25	// this file and link it with other files to produce an executable, this
26	// file does not by itself cause the resulting executable to be covered by
27	// the GNU General Public License. This exception does not however
28	// invalidate any other reasons why the executable file might be covered by
29	// the GNU General Public License.
30
31	//
32	// ISO C++ 14882: 27.6.2 Output streams
33	//
34
35	#ifndef _OSTREAM_TCC
36	#define _OSTREAM_TCC 1
37
38	#pragma GCC system_header
39
40	#include <locale>
41
42	namespace std
43	{
44	template<typename _CharT, typename _Traits>
45	basic_ostream<_CharT, _Traits>::sentry::
46	sentry(basic_ostream<_CharT, _Traits>& __os)
47	: _M_ok(false), _M_os(__os)
48	{
49	// XXX MT
50	if (__os.tie() && __os.good())
51	__os.tie()->flush();
52
53	if (__os.good())
54	_M_ok = true;
55	else
56	__os.setstate(ios_base::failbit);
57	}
58
59	template<typename _CharT, typename _Traits>
60	basic_ostream<_CharT, _Traits>&
61	basic_ostream<_CharT, _Traits>::
62	operator<<(__ostream_type& (*__pf)(__ostream_type&))
63	{
64	// _GLIBCXX_RESOLVE_LIB_DEFECTS
65	// DR 60. What is a formatted input function?
66	// The inserters for manipulators are not formatted output functions.
67	return __pf(*this);
68	}
69
70	template<typename _CharT, typename _Traits>
71	basic_ostream<_CharT, _Traits>&
72	basic_ostream<_CharT, _Traits>::
73	operator<<(__ios_type& (*__pf)(__ios_type&))
74	{
75	// _GLIBCXX_RESOLVE_LIB_DEFECTS
76	// DR 60. What is a formatted input function?
77	// The inserters for manipulators are not formatted output functions.
78	__pf(*this);
79	return *this;
80	}
81
82	template<typename _CharT, typename _Traits>
83	basic_ostream<_CharT, _Traits>&
84	basic_ostream<_CharT, _Traits>::
85	operator<<(ios_base& (*__pf)(ios_base&))
86	{
87	// _GLIBCXX_RESOLVE_LIB_DEFECTS
88	// DR 60. What is a formatted input function?
89	// The inserters for manipulators are not formatted output functions.
90	__pf(*this);
91	return *this;
92	}
93
94	template<typename _CharT, typename _Traits>
95	basic_ostream<_CharT, _Traits>&
96	basic_ostream<_CharT, _Traits>::
97	operator<<(bool __n)
98	{
99	sentry __cerb(*this);
100	if (__cerb)
101	{
102	ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
103	try
104	{
105	const __num_put_type& __np = __check_facet(this->_M_num_put);
106	if (__np.put(this, this, this->fill(), __n).failed())
107	__err \|= ios_base::badbit;
108	}
109	catch(...)
110	{ this->_M_setstate(ios_base::badbit); }
111	if (__err)
112	this->setstate(__err);
113	}
114	return *this;
115	}
116
117	template<typename _CharT, typename _Traits>
118	basic_ostream<_CharT, _Traits>&
119	basic_ostream<_CharT, _Traits>::
120	operator<<(long __n)
121	{
122	sentry __cerb(*this);
123	if (__cerb)
124	{
125	ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
126	try
127	{
128	bool __b = false;
129	const char_type __c = this->fill();
130	const ios_base::fmtflags __fmt = (this->flags()
131	& ios_base::basefield);
132	const __num_put_type& __np = __check_facet(this->_M_num_put);
133	if ((__fmt & ios_base::oct) \|\| (__fmt & ios_base::hex))
134	{
135	const unsigned long __l = static_cast<unsigned long>(__n);
136	__b = __np.put(this, this, __c, __l).failed();
137	}
138	else
139	__b = __np.put(this, this, __c, __n).failed();
140	if (__b)
141	__err \|= ios_base::badbit;
142	}
143	catch(...)
144	{ this->_M_setstate(ios_base::badbit); }
145	if (__err)
146	this->setstate(__err);
147	}
148	return *this;
149	}
150
151	template<typename _CharT, typename _Traits>
152	basic_ostream<_CharT, _Traits>&
153	basic_ostream<_CharT, _Traits>::
154	operator<<(unsigned long __n)
155	{
156	sentry __cerb(*this);
157	if (__cerb)
158	{
159	ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
160	try
161	{
162	const __num_put_type& __np = __check_facet(this->_M_num_put);
163	if (__np.put(this, this, this->fill(), __n).failed())
164	__err \|= ios_base::badbit;
165	}
166	catch(...)
167	{ this->_M_setstate(ios_base::badbit); }
168	if (__err)
169	this->setstate(__err);
170	}
171	return *this;
172	}
173
174	#ifdef _GLIBCXX_USE_LONG_LONG
175	template<typename _CharT, typename _Traits>
176	basic_ostream<_CharT, _Traits>&
177	basic_ostream<_CharT, _Traits>::
178	operator<<(long long __n)
179	{
180	sentry __cerb(*this);
181	if (__cerb)
182	{
183	ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
184	try
185	{
186	bool __b = false;
187	const char_type __c = this->fill();
188	const ios_base::fmtflags __fmt = (this->flags()
189	& ios_base::basefield);
190	const __num_put_type& __np = __check_facet(this->_M_num_put);
191	if ((__fmt & ios_base::oct) \|\| (__fmt & ios_base::hex))
192	{
193	const unsigned long long __l = (static_cast<
194	unsigned long long>(__n));
195	__b = __np.put(this, this, __c, __l).failed();
196	}
197	else
198	__b = __np.put(this, this, __c, __n).failed();
199	if (__b)
200	__err \|= ios_base::badbit;
201	}
202	catch(...)
203	{ this->_M_setstate(ios_base::badbit); }
204	if (__err)
205	this->setstate(__err);
206	}
207	return *this;
208	}
209
210	template<typename _CharT, typename _Traits>
211	basic_ostream<_CharT, _Traits>&
212	basic_ostream<_CharT, _Traits>::
213	operator<<(unsigned long long __n)
214	{
215	sentry __cerb(*this);
216	if (__cerb)
217	{
218	ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
219	try
220	{
221	const __num_put_type& __np = __check_facet(this->_M_num_put);
222	if (__np.put(this, this, this->fill(), __n).failed())
223	__err \|= ios_base::badbit;
224	}
225	catch(...)
226	{ this->_M_setstate(ios_base::badbit); }
227	if (__err)
228	this->setstate(__err);
229	}
230	return *this;
231	}
232	#endif
233
234	template<typename _CharT, typename _Traits>
235	basic_ostream<_CharT, _Traits>&
236	basic_ostream<_CharT, _Traits>::
237	operator<<(double __n)
238	{
239	sentry __cerb(*this);
240	if (__cerb)
241	{
242	ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
243	try
244	{
245	const __num_put_type& __np = __check_facet(this->_M_num_put);
246	if (__np.put(this, this, this->fill(), __n).failed())
247	__err \|= ios_base::badbit;
248	}
249	catch(...)
250	{ this->_M_setstate(ios_base::badbit); }
251	if (__err)
252	this->setstate(__err);
253	}
254	return *this;
255	}
256
257	template<typename _CharT, typename _Traits>
258	basic_ostream<_CharT, _Traits>&
259	basic_ostream<_CharT, _Traits>::
260	operator<<(long double __n)
261	{
262	sentry __cerb(*this);
263	if (__cerb)
264	{
265	ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
266	try
267	{
268	const __num_put_type& __np = __check_facet(this->_M_num_put);
269	if (__np.put(this, this, this->fill(), __n).failed())
270	__err \|= ios_base::badbit;
271	}
272	catch(...)
273	{ this->_M_setstate(ios_base::badbit); }
274	if (__err)
275	this->setstate(__err);
276	}
277	return *this;
278	}
279
280	template<typename _CharT, typename _Traits>
281	basic_ostream<_CharT, _Traits>&
282	basic_ostream<_CharT, _Traits>::
283	operator<<(const void* __n)
284	{
285	sentry __cerb(*this);
286	if (__cerb)
287	{
288	ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
289	try
290	{
291	const __num_put_type& __np = __check_facet(this->_M_num_put);
292	if (__np.put(this, this, this->fill(), __n).failed())
293	__err \|= ios_base::badbit;
294	}
295	catch(...)
296	{ this->_M_setstate(ios_base::badbit); }
297	if (__err)
298	this->setstate(__err);
299	}
300	return *this;
301	}
302
303	template<typename _CharT, typename _Traits>
304	basic_ostream<_CharT, _Traits>&
305	basic_ostream<_CharT, _Traits>::
306	operator<<(__streambuf_type* __sbin)
307	{
308	ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
309	sentry __cerb(*this);
310	if (__cerb && __sbin)
311	{
312	try
313	{
314	if (!__copy_streambufs(__sbin, this->rdbuf()))
315	__err \|= ios_base::failbit;
316	}
317	catch(...)
318	{ this->_M_setstate(ios_base::failbit); }
319	}
320	else if (!__sbin)
321	__err \|= ios_base::badbit;
322	if (__err)
323	this->setstate(__err);
324	return *this;
325	}
326
327	template<typename _CharT, typename _Traits>
328	basic_ostream<_CharT, _Traits>&
329	basic_ostream<_CharT, _Traits>::
330	put(char_type __c)
331	{
332	// _GLIBCXX_RESOLVE_LIB_DEFECTS
333	// DR 60. What is a formatted input function?
334	// basic_ostream::put(char_type) is an unformatted output function.
335	// DR 63. Exception-handling policy for unformatted output.
336	// Unformatted output functions should catch exceptions thrown
337	// from streambuf members.
338	sentry __cerb(*this);
339	if (__cerb)
340	{
341	ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
342	try
343	{
344	const int_type __put = this->rdbuf()->sputc(__c);
345	if (traits_type::eq_int_type(__put, traits_type::eof()))
346	__err \|= ios_base::badbit;
347	}
348	catch (...)
349	{ this->_M_setstate(ios_base::badbit); }
350	if (__err)
351	this->setstate(__err);
352	}
353	return *this;
354	}
355
356	template<typename _CharT, typename _Traits>
357	basic_ostream<_CharT, _Traits>&
358	basic_ostream<_CharT, _Traits>::
359	write(const _CharT* __s, streamsize __n)
360	{
361	// _GLIBCXX_RESOLVE_LIB_DEFECTS
362	// DR 60. What is a formatted input function?
363	// basic_ostream::write(const char_type*, streamsize) is an
364	// unformatted output function.
365	// DR 63. Exception-handling policy for unformatted output.
366	// Unformatted output functions should catch exceptions thrown
367	// from streambuf members.
368	sentry __cerb(*this);
369	if (__cerb)
370	{
371	try
372	{ _M_write(__s, __n); }
373	catch (...)
374	{ this->_M_setstate(ios_base::badbit); }
375	}
376	return *this;
377	}
378
379	template<typename _CharT, typename _Traits>
380	basic_ostream<_CharT, _Traits>&
381	basic_ostream<_CharT, _Traits>::
382	flush()
383	{
384	// _GLIBCXX_RESOLVE_LIB_DEFECTS
385	// DR 60. What is a formatted input function?
386	// basic_ostream::flush() is not an unformatted output function.
387	ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
388	try
389	{
390	if (this->rdbuf() && this->rdbuf()->pubsync() == -1)
391	__err \|= ios_base::badbit;
392	}
393	catch(...)
394	{ this->_M_setstate(ios_base::badbit); }
395	if (__err)
396	this->setstate(__err);
397	return *this;
398	}
399
400	template<typename _CharT, typename _Traits>
401	typename basic_ostream<_CharT, _Traits>::pos_type
402	basic_ostream<_CharT, _Traits>::
403	tellp()
404	{
405	pos_type __ret = pos_type(-1);
406	try
407	{
408	if (!this->fail())
409	__ret = this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::out);
410	}
411	catch(...)
412	{ this->_M_setstate(ios_base::badbit); }
413	return __ret;
414	}
415
416	template<typename _CharT, typename _Traits>
417	basic_ostream<_CharT, _Traits>&
418	basic_ostream<_CharT, _Traits>::
419	seekp(pos_type __pos)
420	{
421	ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
422	try
423	{
424	if (!this->fail())
425	{
426	// _GLIBCXX_RESOLVE_LIB_DEFECTS
427	// 136. seekp, seekg setting wrong streams?
428	const pos_type __p = this->rdbuf()->pubseekpos(__pos,
429	ios_base::out);
430
431	// 129. Need error indication from seekp() and seekg()
432	if (__p == pos_type(off_type(-1)))
433	__err \|= ios_base::failbit;
434	}
435	}
436	catch(...)
437	{ this->_M_setstate(ios_base::badbit); }
438	if (__err)
439	this->setstate(__err);
440	return *this;
441	}
442
443	template<typename _CharT, typename _Traits>
444	basic_ostream<_CharT, _Traits>&
445	basic_ostream<_CharT, _Traits>::
446	seekp(off_type __off, ios_base::seekdir __dir)
447	{
448	ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
449	try
450	{
451	if (!this->fail())
452	{
453	// _GLIBCXX_RESOLVE_LIB_DEFECTS
454	// 136. seekp, seekg setting wrong streams?
455	const pos_type __p = this->rdbuf()->pubseekoff(__off, __dir,
456	ios_base::out);
457
458	// 129. Need error indication from seekp() and seekg()
459	if (__p == pos_type(off_type(-1)))
460	__err \|= ios_base::failbit;
461	}
462	}
463	catch(...)
464	{ this->_M_setstate(ios_base::badbit); }
465	if (__err)
466	this->setstate(__err);
467	return *this;
468	}
469
470	// 27.6.2.5.4 Character inserters.
471	template<typename _CharT, typename _Traits>
472	basic_ostream<_CharT, _Traits>&
473	operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
474	{
475	typedef basic_ostream<_CharT, _Traits> __ostream_type;
476	typename __ostream_type::sentry __cerb(__out);
477	if (__cerb)
478	{
479	try
480	{
481	const streamsize __w = __out.width();
482	streamsize __len = 1;
483	_CharT* __cs = &__c;
484	if (__w > __len)
485	{
486	__cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
487	* __w));
488	__pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __cs,
489	&__c, __w, __len, false);
490	__len = __w;
491	}
492	__out._M_write(__cs, __len);
493	__out.width(0);
494	}
495	catch(...)
496	{ __out._M_setstate(ios_base::badbit); }
497	}
498	return __out;
499	}
500
501	// Specializations.
502	template <class _Traits>
503	basic_ostream<char, _Traits>&
504	operator<<(basic_ostream<char, _Traits>& __out, char __c)
505	{
506	typedef basic_ostream<char, _Traits> __ostream_type;
507	typename __ostream_type::sentry __cerb(__out);
508	if (__cerb)
509	{
510	try
511	{
512	const streamsize __w = __out.width();
513	streamsize __len = 1;
514	char* __cs = &__c;
515	if (__w > __len)
516	{
517	__cs = static_cast<char*>(__builtin_alloca(__w));
518	__pad<char, _Traits>::_S_pad(__out, __out.fill(), __cs,
519	&__c, __w, __len, false);
520	__len = __w;
521	}
522	__out._M_write(__cs, __len);
523	__out.width(0);
524	}
525	catch(...)
526	{ __out._M_setstate(ios_base::badbit); }
527	}
528	return __out;
529	}
530
531	template<typename _CharT, typename _Traits>
532	basic_ostream<_CharT, _Traits>&
533	operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
534	{
535	typedef basic_ostream<_CharT, _Traits> __ostream_type;
536	typename __ostream_type::sentry __cerb(__out);
537	if (__cerb && __s)
538	{
539	try
540	{
541	const streamsize __w = __out.width();
542	streamsize __len = static_cast<streamsize>(_Traits::length(__s));
543	if (__w > __len)
544	{
545	_CharT* __cs = (static_cast<
546	_CharT*>(__builtin_alloca(sizeof(_CharT)
547	* __w)));
548	__pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __cs,
549	__s, __w, __len, false);
550	__s = __cs;
551	__len = __w;
552	}
553	__out._M_write(__s, __len);
554	__out.width(0);
555	}
556	catch(...)
557	{ __out._M_setstate(ios_base::badbit); }
558	}
559	else if (!__s)
560	__out.setstate(ios_base::badbit);
561	return __out;
562	}
563
564	template<typename _CharT, typename _Traits>
565	basic_ostream<_CharT, _Traits>&
566	operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
567	{
568	typedef basic_ostream<_CharT, _Traits> __ostream_type;
569	// _GLIBCXX_RESOLVE_LIB_DEFECTS
570	// 167. Improper use of traits_type::length()
571	// Note that this is only in 'Review' status.
572	typedef char_traits<char> __traits_type;
573	typename __ostream_type::sentry __cerb(__out);
574	if (__cerb && __s)
575	{
576	size_t __clen = __traits_type::length(__s);
577	_CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
578	* __clen));
579	for (size_t __i = 0; __i < __clen; ++__i)
580	__ws[__i] = __out.widen(__s[__i]);
581	_CharT* __str = __ws;
582
583	try
584	{
585	const streamsize __w = __out.width();
586	streamsize __len = static_cast<streamsize>(__clen);
587	if (__w > __len)
588	{
589	_CharT* __cs = (static_cast<
590	_CharT*>(__builtin_alloca(sizeof(_CharT)
591	* __w)));
592	__pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __cs,
593	__ws, __w, __len, false);
594	__str = __cs;
595	__len = __w;
596	}
597	__out._M_write(__str, __len);
598	__out.width(0);
599	}
600	catch(...)
601	{ __out._M_setstate(ios_base::badbit); }
602	}
603	else if (!__s)
604	__out.setstate(ios_base::badbit);
605	return __out;
606	}
607
608	// Partial specializations.
609	template<class _Traits>
610	basic_ostream<char, _Traits>&
611	operator<<(basic_ostream<char, _Traits>& __out, const char* __s)
612	{
613	typedef basic_ostream<char, _Traits> __ostream_type;
614	typename __ostream_type::sentry __cerb(__out);
615	if (__cerb && __s)
616	{
617	try
618	{
619	const streamsize __w = __out.width();
620	streamsize __len = static_cast<streamsize>(_Traits::length(__s));
621	if (__w > __len)
622	{
623	char* __cs = static_cast<char*>(__builtin_alloca(__w));
624	__pad<char, _Traits>::_S_pad(__out, __out.fill(), __cs,
625	__s, __w, __len, false);
626	__s = __cs;
627	__len = __w;
628	}
629	__out._M_write(__s, __len);
630	__out.width(0);
631	}
632	catch(...)
633	{ __out._M_setstate(ios_base::badbit); }
634	}
635	else if (!__s)
636	__out.setstate(ios_base::badbit);
637	return __out;
638	}
639
640	// 21.3.7.9 basic_string::operator<<
641	template<typename _CharT, typename _Traits, typename _Alloc>
642	basic_ostream<_CharT, _Traits>&
643	operator<<(basic_ostream<_CharT, _Traits>& __out,
644	const basic_string<_CharT, _Traits, _Alloc>& __str)
645	{
646	typedef basic_ostream<_CharT, _Traits> __ostream_type;
647	typename __ostream_type::sentry __cerb(__out);
648	if (__cerb)
649	{
650	const streamsize __w = __out.width();
651	streamsize __len = static_cast<streamsize>(__str.size());
652	const _CharT* __s = __str.data();
653
654	// _GLIBCXX_RESOLVE_LIB_DEFECTS
655	// 25. String operator<< uses width() value wrong
656	if (__w > __len)
657	{
658	_CharT* __cs = (static_cast<
659	_CharT>(__builtin_alloca(sizeof(_CharT) __w)));
660	__pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __cs, __s,
661	__w, __len, false);
662	__s = __cs;
663	__len = __w;
664	}
665	__out._M_write(__s, __len);
666	__out.width(0);
667	}
668	return __out;
669	}
670
671	// Inhibit implicit instantiations for required instantiations,
672	// which are defined via explicit instantiations elsewhere.
673	// NB: This syntax is a GNU extension.
674	#if _GLIBCXX_EXTERN_TEMPLATE
675	extern template class basic_ostream<char>;
676	extern template ostream& endl(ostream&);
677	extern template ostream& ends(ostream&);
678	extern template ostream& flush(ostream&);
679	extern template ostream& operator<<(ostream&, char);
680	extern template ostream& operator<<(ostream&, unsigned char);
681	extern template ostream& operator<<(ostream&, signed char);
682	extern template ostream& operator<<(ostream&, const char*);
683	extern template ostream& operator<<(ostream&, const unsigned char*);
684	extern template ostream& operator<<(ostream&, const signed char*);
685
686	#ifdef _GLIBCXX_USE_WCHAR_T
687	extern template class basic_ostream<wchar_t>;
688	extern template wostream& endl(wostream&);
689	extern template wostream& ends(wostream&);
690	extern template wostream& flush(wostream&);
691	extern template wostream& operator<<(wostream&, wchar_t);
692	extern template wostream& operator<<(wostream&, char);
693	extern template wostream& operator<<(wostream&, const wchar_t*);
694	extern template wostream& operator<<(wostream&, const char*);
695	#endif
696	#endif
697	} // namespace std
698
699	#endif

Note: See TracBrowser for help on using the repository browser.

Context Navigation

source: svn/trunk/newcon3bcm2_21bu/toolchain/include/c++/3.4.2/bits/ostream.tcc

Download in other formats: