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139 lines
4.5 KiB
139 lines
4.5 KiB
/***************************************************************************
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*
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* bitset - definitions of out-of-line bitset members
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*
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* $Id: bitset.cc 172106 2011-11-02 17:04:12Z statham $
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*
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***************************************************************************
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*
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* Copyright (c) 1994-2001 Rogue Wave Software, Inc. All Rights Reserved.
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*
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* This computer software is owned by Rogue Wave Software, Inc. and is
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* protected by U.S. copyright laws and other laws and by international
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* treaties. This computer software is furnished by Rogue Wave Software,
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* Inc. pursuant to a written license agreement and may be used, copied,
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* transmitted, and stored only in accordance with the terms of such
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* license and with the inclusion of the above copyright notice. This
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* computer software or any other copies thereof may not be provided or
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* otherwise made available to any other person.
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*
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* U.S. Government Restricted Rights. This computer software is provided
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* with Restricted Rights. Use, duplication, or disclosure by the
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* Government is subject to restrictions as set forth in subparagraph (c)
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* (1) (ii) of The Rights in Technical Data and Computer Software clause
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* at DFARS 252.227-7013 or subparagraphs (c) (1) and (2) of the
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* Commercial Computer Software--Restricted Rights at 48 CFR 52.227-19,
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* as applicable. Manufacturer is Rogue Wave Software, Inc., 5500
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* Flatiron Parkway, Boulder, Colorado 80301 USA.
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*
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**************************************************************************/
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_RWSTD_NAMESPACE_BEGIN (std)
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#if !defined (_RWSTD_NO_MEMBER_TEMPLATES)
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template <size_t _Size>
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template <class _CharT, class _Traits, class _Allocator>
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bitset<_Size>::
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bitset (const basic_string<_CharT,_Traits,_Allocator> &__str,
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_TYPENAME basic_string<_CharT,_Traits,_Allocator>::size_type __pos,
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_TYPENAME basic_string<_CharT,_Traits,_Allocator>::size_type __n)
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#else
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template <size_t _Size>
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bitset<_Size>::bitset (const string& __str, size_t __pos, size_t __n)
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#endif // _RWSTD_NO_MEMBER_TEMPLATES
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{
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const size_t __slen = __str.size();
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_RWSTD_REQUIRES (__pos <= __slen,
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(_RWSTD_ERROR_OUT_OF_RANGE,
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_RWSTD_FUNC ("bitset::bitset (const basic_string&, "
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"size_t, size_t)"), __pos, __slen));
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const size_t __rlen = __n < (__slen - __pos) ? __n : __slen - __pos;
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const size_t __M = _Size >= __rlen ? __rlen : _Size;
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reset ();
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for (size_t __j = __pos; __j < __M + __pos; __j++) {
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const char __c = __str [__slen - __j - 1];
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_RWSTD_REQUIRES (__c == '0' || __c == '1',
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(_RWSTD_ERROR_INVALID_ARGUMENT,
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_RWSTD_FUNC ("bitset::bitset (const basic_string&, "
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"size_t, size_t)")));
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if (__c == '1')
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set (__j - __pos);
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}
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}
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_RWSTD_NAMESPACE_END // std
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_RWSTD_NAMESPACE_BEGIN (__rw)
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template <class _CharT, class _Traits, size_t _Size>
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_STD::basic_istream<_CharT, _Traits>&
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__rw_extract_bitset (_STD::basic_istream<_CharT, _Traits> &__strm,
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_STD::bitset<_Size> &__x)
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{
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_STD::string __str;
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__str.reserve (_Size);
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typedef _STD::basic_istream<_CharT, _Traits> _Istream;
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_TYPENAME _Istream::iostate __err (__strm.goodbit);
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const _TYPENAME _Istream::sentry __ipfx (__strm);
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if (__ipfx) {
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_TRY {
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// 23.3.5.3, p5 - extract at most _Size chars
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// get next char without extracting
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_TYPENAME _Traits::int_type __c = __strm.rdbuf ()->sgetc ();
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for (_RWSTD_C::size_t __i = 0; __i != _Size; ++__i) {
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if (_Traits::eq_int_type (_Traits::eof (), __c)) {
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__err = __strm.eofbit;
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break;
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}
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// convert and narrow
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char __ch = __strm.narrow (_Traits::to_char_type (__c),
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_TYPENAME _Traits::char_type ());
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if ('0' != __ch && '1' != __ch)
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break;
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// append and advance
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__str += __ch;
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__c = __strm.rdbuf ()->snextc ();
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}
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}
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_CATCH (...) {
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__err = __strm.badbit;
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}
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}
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if (_Size && 0 == __str.size ())
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__err |= __strm.failbit;
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else if (!(__strm.badbit & __err))
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__x = _STD::bitset<_Size>(__str);
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if (__err)
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__strm.setstate (__err);
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return __strm;
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}
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_RWSTD_NAMESPACE_END // __rw
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