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| 4680 | right-hear | 1 | // Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. |
| 2 | // |
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| 3 | // This file is part of the GNU ISO C++ Library. This library is free |
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| 4 | // software; you can redistribute it and/or modify it under the |
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| 5 | // terms of the GNU General Public License as published by the |
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| 6 | // Free Software Foundation; either version 2, or (at your option) |
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| 7 | // any later version. |
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| 8 | |||
| 9 | // This library is distributed in the hope that it will be useful, |
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| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 12 | // GNU General Public License for more details. |
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| 13 | |||
| 14 | // You should have received a copy of the GNU General Public License along |
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| 15 | // with this library; see the file COPYING. If not, write to the Free |
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| 16 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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| 17 | // USA. |
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| 18 | |||
| 19 | // As a special exception, you may use this file as part of a free software |
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| 20 | // library without restriction. Specifically, if other files instantiate |
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| 21 | // templates or use macros or inline functions from this file, or you compile |
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| 22 | // this file and link it with other files to produce an executable, this |
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| 23 | // file does not by itself cause the resulting executable to be covered by |
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| 24 | // the GNU General Public License. This exception does not however |
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| 25 | // invalidate any other reasons why the executable file might be covered by |
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| 26 | // the GNU General Public License. |
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| 27 | |||
| 28 | // |
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| 29 | // ISO C++ 14882: 27.6.2 Output streams |
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| 30 | // |
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| 31 | |||
| 32 | #include |
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| 33 | #include |
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| 34 | |||
| 35 | namespace std |
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| 36 | { |
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| 37 | template |
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| 38 | basic_istream<_CharT, _Traits>::sentry:: |
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| 39 | sentry(basic_istream<_CharT, _Traits>& __in, bool __noskipws) |
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| 40 | { |
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| 41 | if (__in.good()) |
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| 42 | { |
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| 43 | if (__in.tie()) |
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| 44 | __in.tie()->flush(); |
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| 45 | if (!__noskipws && (__in.flags() & ios_base::skipws)) |
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| 46 | { |
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| 47 | const __int_type __eof = traits_type::eof(); |
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| 48 | const __ctype_type* __ctype = __in._M_get_fctype_ios(); |
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| 49 | __streambuf_type* __sb = __in.rdbuf(); |
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| 50 | __int_type __c = __sb->sgetc(); |
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| 51 | |||
| 52 | while (__c != __eof && __ctype->is(ctype_base::space, __c)) |
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| 53 | __c = __sb->snextc(); |
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| 54 | |||
| 55 | #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS |
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| 56 | //195. Should basic_istream::sentry's constructor ever set eofbit? |
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| 57 | if (__c == __eof) |
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| 58 | __in.setstate(ios_base::eofbit); |
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| 59 | #endif |
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| 60 | } |
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| 61 | } |
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| 62 | |||
| 63 | if (__in.good()) |
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| 64 | _M_ok = true; |
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| 65 | else |
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| 66 | { |
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| 67 | _M_ok = false; |
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| 68 | __in.setstate(ios_base::failbit); |
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| 69 | } |
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| 70 | } |
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| 71 | |||
| 72 | template |
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| 73 | basic_istream<_CharT, _Traits>& |
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| 74 | basic_istream<_CharT, _Traits>:: |
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| 75 | operator>>(__istream_type& (*__pf)(__istream_type&)) |
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| 76 | { |
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| 77 | __pf(*this); |
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| 78 | return *this; |
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| 79 | } |
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| 80 | |||
| 81 | template |
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| 82 | basic_istream<_CharT, _Traits>& |
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| 83 | basic_istream<_CharT, _Traits>:: |
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| 84 | operator>>(__ios_type& (*__pf)(__ios_type&)) |
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| 85 | { |
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| 86 | __pf(*this); |
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| 87 | return *this; |
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| 88 | } |
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| 89 | |||
| 90 | template |
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| 91 | basic_istream<_CharT, _Traits>& |
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| 92 | basic_istream<_CharT, _Traits>:: |
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| 93 | operator>>(ios_base& (*__pf)(ios_base&)) |
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| 94 | { |
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| 95 | __pf(*this); |
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| 96 | return *this; |
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| 97 | } |
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| 98 | |||
| 99 | template |
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| 100 | basic_istream<_CharT, _Traits>& |
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| 101 | basic_istream<_CharT, _Traits>:: |
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| 102 | operator>>(bool& __n) |
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| 103 | { |
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| 104 | sentry __cerb(*this, false); |
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| 105 | if (__cerb) |
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| 106 | { |
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| 107 | try |
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| 108 | { |
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| 109 | ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); |
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| 110 | if (_M_check_facet(_M_fnumget)) |
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| 111 | _M_fnumget->get(*this, 0, *this, __err, __n); |
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| 112 | this->setstate(__err); |
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| 113 | } |
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| 114 | catch(exception& __fail) |
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| 115 | { |
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| 116 | // 27.6.1.2.1 Common requirements. |
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| 117 | // Turn this on without causing an ios::failure to be thrown. |
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| 118 | this->setstate(ios_base::badbit); |
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| 119 | if ((this->exceptions() & ios_base::badbit) != 0) |
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| 120 | __throw_exception_again; |
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| 121 | } |
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| 122 | } |
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| 123 | return *this; |
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| 124 | } |
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| 125 | |||
| 126 | template |
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| 127 | basic_istream<_CharT, _Traits>& |
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| 128 | basic_istream<_CharT, _Traits>:: |
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| 129 | operator>>(short& __n) |
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| 130 | { |
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| 131 | sentry __cerb(*this, false); |
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| 132 | if (__cerb) |
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| 133 | { |
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| 134 | try |
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| 135 | { |
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| 136 | ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); |
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| 137 | if (_M_check_facet(_M_fnumget)) |
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| 138 | _M_fnumget->get(*this, 0, *this, __err, __n); |
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| 139 | this->setstate(__err); |
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| 140 | } |
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| 141 | catch(exception& __fail) |
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| 142 | { |
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| 143 | // 27.6.1.2.1 Common requirements. |
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| 144 | // Turn this on without causing an ios::failure to be thrown. |
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| 145 | this->setstate(ios_base::badbit); |
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| 146 | if ((this->exceptions() & ios_base::badbit) != 0) |
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| 147 | __throw_exception_again; |
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| 148 | } |
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| 149 | } |
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| 150 | return *this; |
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| 151 | } |
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| 152 | |||
| 153 | template |
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| 154 | basic_istream<_CharT, _Traits>& |
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| 155 | basic_istream<_CharT, _Traits>:: |
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| 156 | operator>>(unsigned short& __n) |
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| 157 | { |
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| 158 | sentry __cerb(*this, false); |
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| 159 | if (__cerb) |
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| 160 | { |
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| 161 | try |
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| 162 | { |
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| 163 | ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); |
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| 164 | if (_M_check_facet(_M_fnumget)) |
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| 165 | _M_fnumget->get(*this, 0, *this, __err, __n); |
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| 166 | this->setstate(__err); |
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| 167 | } |
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| 168 | catch(exception& __fail) |
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| 169 | { |
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| 170 | // 27.6.1.2.1 Common requirements. |
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| 171 | // Turn this on without causing an ios::failure to be thrown. |
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| 172 | this->setstate(ios_base::badbit); |
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| 173 | if ((this->exceptions() & ios_base::badbit) != 0) |
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| 174 | __throw_exception_again; |
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| 175 | } |
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| 176 | } |
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| 177 | return *this; |
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| 178 | } |
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| 179 | |||
| 180 | template |
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| 181 | basic_istream<_CharT, _Traits>& |
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| 182 | basic_istream<_CharT, _Traits>:: |
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| 183 | operator>>(int& __n) |
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| 184 | { |
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| 185 | sentry __cerb(*this, false); |
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| 186 | if (__cerb) |
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| 187 | { |
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| 188 | try |
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| 189 | { |
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| 190 | ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); |
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| 191 | if (_M_check_facet(_M_fnumget)) |
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| 192 | _M_fnumget->get(*this, 0, *this, __err, __n); |
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| 193 | this->setstate(__err); |
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| 194 | } |
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| 195 | catch(exception& __fail) |
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| 196 | { |
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| 197 | // 27.6.1.2.1 Common requirements. |
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| 198 | // Turn this on without causing an ios::failure to be thrown. |
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| 199 | this->setstate(ios_base::badbit); |
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| 200 | if ((this->exceptions() & ios_base::badbit) != 0) |
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| 201 | __throw_exception_again; |
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| 202 | } |
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| 203 | } |
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| 204 | return *this; |
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| 205 | } |
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| 206 | |||
| 207 | template |
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| 208 | basic_istream<_CharT, _Traits>& |
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| 209 | basic_istream<_CharT, _Traits>:: |
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| 210 | operator>>(unsigned int& __n) |
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| 211 | { |
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| 212 | sentry __cerb(*this, false); |
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| 213 | if (__cerb) |
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| 214 | { |
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| 215 | try |
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| 216 | { |
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| 217 | ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); |
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| 218 | if (_M_check_facet(_M_fnumget)) |
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| 219 | _M_fnumget->get(*this, 0, *this, __err, __n); |
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| 220 | this->setstate(__err); |
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| 221 | } |
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| 222 | catch(exception& __fail) |
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| 223 | { |
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| 224 | // 27.6.1.2.1 Common requirements. |
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| 225 | // Turn this on without causing an ios::failure to be thrown. |
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| 226 | this->setstate(ios_base::badbit); |
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| 227 | if ((this->exceptions() & ios_base::badbit) != 0) |
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| 228 | __throw_exception_again; |
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| 229 | } |
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| 230 | } |
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| 231 | return *this; |
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| 232 | } |
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| 233 | |||
| 234 | template |
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| 235 | basic_istream<_CharT, _Traits>& |
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| 236 | basic_istream<_CharT, _Traits>:: |
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| 237 | operator>>(long& __n) |
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| 238 | { |
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| 239 | sentry __cerb(*this, false); |
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| 240 | if (__cerb) |
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| 241 | { |
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| 242 | try |
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| 243 | { |
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| 244 | ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); |
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| 245 | if (_M_check_facet(_M_fnumget)) |
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| 246 | _M_fnumget->get(*this, 0, *this, __err, __n); |
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| 247 | this->setstate(__err); |
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| 248 | } |
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| 249 | catch(exception& __fail) |
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| 250 | { |
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| 251 | // 27.6.1.2.1 Common requirements. |
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| 252 | // Turn this on without causing an ios::failure to be thrown. |
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| 253 | this->setstate(ios_base::badbit); |
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| 254 | if ((this->exceptions() & ios_base::badbit) != 0) |
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| 255 | __throw_exception_again; |
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| 256 | } |
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| 257 | } |
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| 258 | return *this; |
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| 259 | } |
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| 260 | |||
| 261 | template |
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| 262 | basic_istream<_CharT, _Traits>& |
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| 263 | basic_istream<_CharT, _Traits>:: |
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| 264 | operator>>(unsigned long& __n) |
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| 265 | { |
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| 266 | sentry __cerb(*this, false); |
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| 267 | if (__cerb) |
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| 268 | { |
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| 269 | try |
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| 270 | { |
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| 271 | ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); |
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| 272 | if (_M_check_facet(_M_fnumget)) |
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| 273 | _M_fnumget->get(*this, 0, *this, __err, __n); |
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| 274 | this->setstate(__err); |
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| 275 | } |
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| 276 | catch(exception& __fail) |
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| 277 | { |
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| 278 | // 27.6.1.2.1 Common requirements. |
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| 279 | // Turn this on without causing an ios::failure to be thrown. |
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| 280 | this->setstate(ios_base::badbit); |
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| 281 | if ((this->exceptions() & ios_base::badbit) != 0) |
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| 282 | __throw_exception_again; |
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| 283 | } |
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| 284 | } |
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| 285 | return *this; |
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| 286 | } |
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| 287 | |||
| 288 | #ifdef _GLIBCPP_USE_LONG_LONG |
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| 289 | template |
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| 290 | basic_istream<_CharT, _Traits>& |
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| 291 | basic_istream<_CharT, _Traits>:: |
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| 292 | operator>>(long long& __n) |
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| 293 | { |
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| 294 | sentry __cerb(*this, false); |
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| 295 | if (__cerb) |
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| 296 | { |
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| 297 | try |
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| 298 | { |
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| 299 | ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); |
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| 300 | if (_M_check_facet(_M_fnumget)) |
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| 301 | _M_fnumget->get(*this, 0, *this, __err, __n); |
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| 302 | this->setstate(__err); |
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| 303 | } |
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| 304 | catch(exception& __fail) |
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| 305 | { |
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| 306 | // 27.6.1.2.1 Common requirements. |
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| 307 | // Turn this on without causing an ios::failure to be thrown. |
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| 308 | this->setstate(ios_base::badbit); |
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| 309 | if ((this->exceptions() & ios_base::badbit) != 0) |
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| 310 | __throw_exception_again; |
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| 311 | } |
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| 312 | } |
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| 313 | return *this; |
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| 314 | } |
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| 315 | |||
| 316 | template |
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| 317 | basic_istream<_CharT, _Traits>& |
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| 318 | basic_istream<_CharT, _Traits>:: |
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| 319 | operator>>(unsigned long long& __n) |
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| 320 | { |
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| 321 | sentry __cerb(*this, false); |
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| 322 | if (__cerb) |
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| 323 | { |
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| 324 | try |
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| 325 | { |
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| 326 | ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); |
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| 327 | if (_M_check_facet(_M_fnumget)) |
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| 328 | _M_fnumget->get(*this, 0, *this, __err, __n); |
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| 329 | this->setstate(__err); |
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| 330 | } |
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| 331 | catch(exception& __fail) |
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| 332 | { |
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| 333 | // 27.6.1.2.1 Common requirements. |
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| 334 | // Turn this on without causing an ios::failure to be thrown. |
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| 335 | this->setstate(ios_base::badbit); |
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| 336 | if ((this->exceptions() & ios_base::badbit) != 0) |
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| 337 | __throw_exception_again; |
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| 338 | } |
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| 339 | } |
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| 340 | return *this; |
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| 341 | } |
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| 342 | #endif |
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| 343 | |||
| 344 | template |
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| 345 | basic_istream<_CharT, _Traits>& |
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| 346 | basic_istream<_CharT, _Traits>:: |
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| 347 | operator>>(float& __n) |
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| 348 | { |
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| 349 | sentry __cerb(*this, false); |
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| 350 | if (__cerb) |
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| 351 | { |
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| 352 | try |
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| 353 | { |
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| 354 | ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); |
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| 355 | if (_M_check_facet(_M_fnumget)) |
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| 356 | _M_fnumget->get(*this, 0, *this, __err, __n); |
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| 357 | this->setstate(__err); |
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| 358 | } |
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| 359 | catch(exception& __fail) |
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| 360 | { |
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| 361 | // 27.6.1.2.1 Common requirements. |
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| 362 | // Turn this on without causing an ios::failure to be thrown. |
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| 363 | this->setstate(ios_base::badbit); |
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| 364 | if ((this->exceptions() & ios_base::badbit) != 0) |
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| 365 | __throw_exception_again; |
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| 366 | } |
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| 367 | } |
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| 368 | return *this; |
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| 369 | } |
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| 370 | |||
| 371 | template |
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| 372 | basic_istream<_CharT, _Traits>& |
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| 373 | basic_istream<_CharT, _Traits>:: |
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| 374 | operator>>(double& __n) |
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| 375 | { |
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| 376 | sentry __cerb(*this, false); |
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| 377 | if (__cerb) |
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| 378 | { |
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| 379 | try |
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| 380 | { |
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| 381 | ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); |
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| 382 | if (_M_check_facet(_M_fnumget)) |
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| 383 | _M_fnumget->get(*this, 0, *this, __err, __n); |
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| 384 | this->setstate(__err); |
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| 385 | } |
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| 386 | catch(exception& __fail) |
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| 387 | { |
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| 388 | // 27.6.1.2.1 Common requirements. |
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| 389 | // Turn this on without causing an ios::failure to be thrown. |
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| 390 | this->setstate(ios_base::badbit); |
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| 391 | if ((this->exceptions() & ios_base::badbit) != 0) |
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| 392 | __throw_exception_again; |
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| 393 | } |
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| 394 | } |
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| 395 | return *this; |
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| 396 | } |
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| 397 | |||
| 398 | template |
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| 399 | basic_istream<_CharT, _Traits>& |
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| 400 | basic_istream<_CharT, _Traits>:: |
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| 401 | operator>>(long double& __n) |
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| 402 | { |
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| 403 | sentry __cerb(*this, false); |
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| 404 | if (__cerb) |
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| 405 | { |
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| 406 | try |
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| 407 | { |
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| 408 | ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); |
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| 409 | if (_M_check_facet(_M_fnumget)) |
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| 410 | _M_fnumget->get(*this, 0, *this, __err, __n); |
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| 411 | this->setstate(__err); |
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| 412 | } |
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| 413 | catch(exception& __fail) |
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| 414 | { |
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| 415 | // 27.6.1.2.1 Common requirements. |
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| 416 | // Turn this on without causing an ios::failure to be thrown. |
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| 417 | this->setstate(ios_base::badbit); |
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| 418 | if ((this->exceptions() & ios_base::badbit) != 0) |
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| 419 | __throw_exception_again; |
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| 420 | } |
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| 421 | } |
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| 422 | return *this; |
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| 423 | } |
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| 424 | |||
| 425 | template |
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| 426 | basic_istream<_CharT, _Traits>& |
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| 427 | basic_istream<_CharT, _Traits>:: |
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| 428 | operator>>(void*& __n) |
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| 429 | { |
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| 430 | sentry __cerb(*this, false); |
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| 431 | if (__cerb) |
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| 432 | { |
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| 433 | try |
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| 434 | { |
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| 435 | ios_base::iostate __err = ios_base::iostate(ios_base::goodbit); |
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| 436 | if (_M_check_facet(_M_fnumget)) |
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| 437 | _M_fnumget->get(*this, 0, *this, __err, __n); |
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| 438 | this->setstate(__err); |
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| 439 | } |
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| 440 | catch(exception& __fail) |
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| 441 | { |
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| 442 | // 27.6.1.2.1 Common requirements. |
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| 443 | // Turn this on without causing an ios::failure to be thrown. |
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| 444 | this->setstate(ios_base::badbit); |
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| 445 | if ((this->exceptions() & ios_base::badbit) != 0) |
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| 446 | __throw_exception_again; |
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| 447 | } |
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| 448 | } |
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| 449 | return *this; |
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| 450 | } |
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| 451 | |||
| 452 | template |
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| 453 | basic_istream<_CharT, _Traits>& |
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| 454 | basic_istream<_CharT, _Traits>:: |
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| 455 | operator>>(__streambuf_type* __sbout) |
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| 456 | { |
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| 457 | streamsize __xtrct = 0; |
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| 458 | __streambuf_type* __sbin = this->rdbuf(); |
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| 459 | sentry __cerb(*this, false); |
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| 460 | if (__sbout && __cerb) |
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| 461 | __xtrct = __copy_streambufs(*this, __sbin, __sbout); |
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| 462 | if (!__sbout || !__xtrct) |
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| 463 | this->setstate(ios_base::failbit); |
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| 464 | return *this; |
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| 465 | } |
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| 466 | |||
| 467 | template |
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| 468 | basic_istream<_CharT, _Traits>::int_type |
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| 469 | basic_istream<_CharT, _Traits>:: |
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| 470 | get(void) |
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| 471 | { |
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| 472 | const int_type __eof = traits_type::eof(); |
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| 473 | int_type __c = __eof; |
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| 474 | _M_gcount = 0; |
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| 475 | sentry __cerb(*this, true); |
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| 476 | if (__cerb) |
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| 477 | { |
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| 478 | try |
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| 479 | { |
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| 480 | __c = this->rdbuf()->sbumpc(); |
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| 481 | // 27.6.1.1 paragraph 3 |
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| 482 | if (__c != __eof) |
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| 483 | _M_gcount = 1; |
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| 484 | else |
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| 485 | this->setstate(ios_base::eofbit | ios_base::failbit); |
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| 486 | } |
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| 487 | catch(exception& __fail) |
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| 488 | { |
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| 489 | // 27.6.1.3 paragraph 1 |
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| 490 | // Turn this on without causing an ios::failure to be thrown. |
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| 491 | this->setstate(ios_base::badbit); |
||
| 492 | if ((this->exceptions() & ios_base::badbit) != 0) |
||
| 493 | __throw_exception_again; |
||
| 494 | } |
||
| 495 | } |
||
| 496 | return __c; |
||
| 497 | } |
||
| 498 | |||
| 499 | template |
||
| 500 | basic_istream<_CharT, _Traits>& |
||
| 501 | basic_istream<_CharT, _Traits>:: |
||
| 502 | get(char_type& __c) |
||
| 503 | { |
||
| 504 | _M_gcount = 0; |
||
| 505 | sentry __cerb(*this, true); |
||
| 506 | if (__cerb) |
||
| 507 | { |
||
| 508 | try |
||
| 509 | { |
||
| 510 | const int_type __eof = traits_type::eof(); |
||
| 511 | int_type __bufval = this->rdbuf()->sbumpc(); |
||
| 512 | // 27.6.1.1 paragraph 3 |
||
| 513 | if (__bufval != __eof) |
||
| 514 | { |
||
| 515 | _M_gcount = 1; |
||
| 516 | __c = traits_type::to_char_type(__bufval); |
||
| 517 | } |
||
| 518 | else |
||
| 519 | this->setstate(ios_base::eofbit | ios_base::failbit); |
||
| 520 | } |
||
| 521 | catch(exception& __fail) |
||
| 522 | { |
||
| 523 | // 27.6.1.3 paragraph 1 |
||
| 524 | // Turn this on without causing an ios::failure to be thrown. |
||
| 525 | this->setstate(ios_base::badbit); |
||
| 526 | if ((this->exceptions() & ios_base::badbit) != 0) |
||
| 527 | __throw_exception_again; |
||
| 528 | } |
||
| 529 | } |
||
| 530 | return *this; |
||
| 531 | } |
||
| 532 | |||
| 533 | template |
||
| 534 | basic_istream<_CharT, _Traits>& |
||
| 535 | basic_istream<_CharT, _Traits>:: |
||
| 536 | get(char_type* __s, streamsize __n, char_type __delim) |
||
| 537 | { |
||
| 538 | _M_gcount = 0; |
||
| 539 | sentry __cerb(*this, true); |
||
| 540 | if (__cerb && __n > 1) |
||
| 541 | { |
||
| 542 | try |
||
| 543 | { |
||
| 544 | const int_type __idelim = traits_type::to_int_type(__delim); |
||
| 545 | const int_type __eof = traits_type::eof(); |
||
| 546 | __streambuf_type* __sb = this->rdbuf(); |
||
| 547 | int_type __c = __sb->sbumpc(); |
||
| 548 | bool __testdelim = __c == __idelim; |
||
| 549 | bool __testeof = __c == __eof; |
||
| 550 | |||
| 551 | while (_M_gcount < __n - 1 && !__testeof && !__testdelim) |
||
| 552 | { |
||
| 553 | *__s++ = traits_type::to_char_type(__c); |
||
| 554 | ++_M_gcount; |
||
| 555 | __c = __sb->sbumpc(); |
||
| 556 | __testeof = __c == __eof; |
||
| 557 | __testdelim = __c == __idelim; |
||
| 558 | } |
||
| 559 | if (__testdelim || _M_gcount == __n - 1) |
||
| 560 | __sb->sputbackc(__c); |
||
| 561 | if (__testeof) |
||
| 562 | this->setstate(ios_base::eofbit); |
||
| 563 | } |
||
| 564 | catch(exception& __fail) |
||
| 565 | { |
||
| 566 | // 27.6.1.3 paragraph 1 |
||
| 567 | // Turn this on without causing an ios::failure to be thrown. |
||
| 568 | this->setstate(ios_base::badbit); |
||
| 569 | if ((this->exceptions() & ios_base::badbit) != 0) |
||
| 570 | __throw_exception_again; |
||
| 571 | } |
||
| 572 | } |
||
| 573 | *__s = char_type(); |
||
| 574 | if (!_M_gcount) |
||
| 575 | this->setstate(ios_base::failbit); |
||
| 576 | return *this; |
||
| 577 | } |
||
| 578 | |||
| 579 | template |
||
| 580 | basic_istream<_CharT, _Traits>& |
||
| 581 | basic_istream<_CharT, _Traits>:: |
||
| 582 | get(__streambuf_type& __sb, char_type __delim) |
||
| 583 | { |
||
| 584 | _M_gcount = 0; |
||
| 585 | sentry __cerb(*this, true); |
||
| 586 | if (__cerb) |
||
| 587 | { |
||
| 588 | int_type __c; |
||
| 589 | __streambuf_type* __this_sb = this->rdbuf(); |
||
| 590 | try |
||
| 591 | { |
||
| 592 | const int_type __idelim = traits_type::to_int_type(__delim); |
||
| 593 | const int_type __eof = traits_type::eof(); |
||
| 594 | __c = __this_sb->sbumpc(); |
||
| 595 | bool __testdelim = __c == __idelim; |
||
| 596 | bool __testeof = __c == __eof; |
||
| 597 | bool __testput = true; |
||
| 598 | |||
| 599 | while (!__testeof && !__testdelim |
||
| 600 | && (__testput = __sb.sputc(traits_type::to_char_type(__c)) |
||
| 601 | != __eof)) |
||
| 602 | { |
||
| 603 | ++_M_gcount; |
||
| 604 | __c = __this_sb->sbumpc(); |
||
| 605 | __testeof = __c == __eof; |
||
| 606 | __testdelim = __c == __idelim; |
||
| 607 | } |
||
| 608 | if (__testdelim || !__testput) |
||
| 609 | __this_sb->sputbackc(traits_type::to_char_type(__c)); |
||
| 610 | if (__testeof) |
||
| 611 | this->setstate(ios_base::eofbit); |
||
| 612 | } |
||
| 613 | catch(exception& __fail) |
||
| 614 | { |
||
| 615 | // Exception may result from sputc->overflow. |
||
| 616 | __this_sb->sputbackc(traits_type::to_char_type(__c)); |
||
| 617 | } |
||
| 618 | } |
||
| 619 | if (!_M_gcount) |
||
| 620 | this->setstate(ios_base::failbit); |
||
| 621 | return *this; |
||
| 622 | } |
||
| 623 | |||
| 624 | template |
||
| 625 | basic_istream<_CharT, _Traits>& |
||
| 626 | basic_istream<_CharT, _Traits>:: |
||
| 627 | getline(char_type* __s, streamsize __n, char_type __delim) |
||
| 628 | { |
||
| 629 | _M_gcount = 0; |
||
| 630 | sentry __cerb(*this, true); |
||
| 631 | if (__cerb) |
||
| 632 | { |
||
| 633 | try |
||
| 634 | { |
||
| 635 | __streambuf_type* __sb = this->rdbuf(); |
||
| 636 | int_type __c = __sb->sbumpc(); |
||
| 637 | ++_M_gcount; |
||
| 638 | const int_type __idelim = traits_type::to_int_type(__delim); |
||
| 639 | const int_type __eof = traits_type::eof(); |
||
| 640 | bool __testdelim = __c == __idelim; |
||
| 641 | bool __testeof = __c == __eof; |
||
| 642 | |||
| 643 | while (_M_gcount < __n && !__testeof && !__testdelim) |
||
| 644 | { |
||
| 645 | *__s++ = traits_type::to_char_type(__c); |
||
| 646 | __c = __sb->sbumpc(); |
||
| 647 | ++_M_gcount; |
||
| 648 | __testeof = __c == __eof; |
||
| 649 | __testdelim = __c == __idelim; |
||
| 650 | } |
||
| 651 | |||
| 652 | if (__testeof) |
||
| 653 | { |
||
| 654 | --_M_gcount; |
||
| 655 | this->setstate(ios_base::eofbit); |
||
| 656 | } |
||
| 657 | else if (!__testdelim) |
||
| 658 | { |
||
| 659 | --_M_gcount; |
||
| 660 | __sb->sputbackc(traits_type::to_char_type(__c)); |
||
| 661 | this->setstate(ios_base::failbit); |
||
| 662 | } |
||
| 663 | } |
||
| 664 | catch(exception& __fail) |
||
| 665 | { |
||
| 666 | // 27.6.1.3 paragraph 1 |
||
| 667 | // Turn this on without causing an ios::failure to be thrown. |
||
| 668 | this->setstate(ios_base::badbit); |
||
| 669 | if ((this->exceptions() & ios_base::badbit) != 0) |
||
| 670 | __throw_exception_again; |
||
| 671 | } |
||
| 672 | } |
||
| 673 | *__s = char_type(); |
||
| 674 | if (!_M_gcount) |
||
| 675 | this->setstate(ios_base::failbit); |
||
| 676 | return *this; |
||
| 677 | } |
||
| 678 | |||
| 679 | template |
||
| 680 | basic_istream<_CharT, _Traits>& |
||
| 681 | basic_istream<_CharT, _Traits>:: |
||
| 682 | ignore(streamsize __n, int_type __delim) |
||
| 683 | { |
||
| 684 | _M_gcount = 0; |
||
| 685 | sentry __cerb(*this, true); |
||
| 686 | if (__cerb && __n > 0) |
||
| 687 | { |
||
| 688 | try |
||
| 689 | { |
||
| 690 | const int_type __idelim = traits_type::to_int_type(__delim); |
||
| 691 | const int_type __eof = traits_type::eof(); |
||
| 692 | __streambuf_type* __sb = this->rdbuf(); |
||
| 693 | int_type __c = __sb->sbumpc(); |
||
| 694 | bool __testdelim = __c == __idelim; |
||
| 695 | bool __testeof = __c == __eof; |
||
| 696 | |||
| 697 | __n = min(__n, numeric_limits |
||
| 698 | while (_M_gcount < __n - 1 && !__testeof && !__testdelim) |
||
| 699 | { |
||
| 700 | ++_M_gcount; |
||
| 701 | __c = __sb->sbumpc(); |
||
| 702 | __testeof = __c == __eof; |
||
| 703 | __testdelim = __c == __idelim; |
||
| 704 | } |
||
| 705 | if ((_M_gcount == __n - 1 && !__testeof) || __testdelim) |
||
| 706 | ++_M_gcount; |
||
| 707 | if (__testeof) |
||
| 708 | this->setstate(ios_base::eofbit); |
||
| 709 | } |
||
| 710 | catch(exception& __fail) |
||
| 711 | { |
||
| 712 | // 27.6.1.3 paragraph 1 |
||
| 713 | // Turn this on without causing an ios::failure to be thrown. |
||
| 714 | this->setstate(ios_base::badbit); |
||
| 715 | if ((this->exceptions() & ios_base::badbit) != 0) |
||
| 716 | __throw_exception_again; |
||
| 717 | } |
||
| 718 | } |
||
| 719 | return *this; |
||
| 720 | } |
||
| 721 | |||
| 722 | template |
||
| 723 | basic_istream<_CharT, _Traits>::int_type |
||
| 724 | basic_istream<_CharT, _Traits>:: |
||
| 725 | peek(void) |
||
| 726 | { |
||
| 727 | int_type __c = traits_type::eof(); |
||
| 728 | _M_gcount = 0; |
||
| 729 | sentry __cerb(*this, true); |
||
| 730 | if (__cerb) |
||
| 731 | { |
||
| 732 | try |
||
| 733 | { __c = this->rdbuf()->sgetc(); } |
||
| 734 | catch(exception& __fail) |
||
| 735 | { |
||
| 736 | // 27.6.1.3 paragraph 1 |
||
| 737 | // Turn this on without causing an ios::failure to be thrown. |
||
| 738 | this->setstate(ios_base::badbit); |
||
| 739 | if ((this->exceptions() & ios_base::badbit) != 0) |
||
| 740 | __throw_exception_again; |
||
| 741 | } |
||
| 742 | } |
||
| 743 | return __c; |
||
| 744 | } |
||
| 745 | |||
| 746 | template |
||
| 747 | basic_istream<_CharT, _Traits>& |
||
| 748 | basic_istream<_CharT, _Traits>:: |
||
| 749 | read(char_type* __s, streamsize __n) |
||
| 750 | { |
||
| 751 | _M_gcount = 0; |
||
| 752 | sentry __cerb(*this, true); |
||
| 753 | if (__cerb) |
||
| 754 | { |
||
| 755 | if (__n > 0) |
||
| 756 | { |
||
| 757 | try |
||
| 758 | { |
||
| 759 | const int_type __eof = traits_type::eof(); |
||
| 760 | __streambuf_type* __sb = this->rdbuf(); |
||
| 761 | int_type __c = __sb->sbumpc(); |
||
| 762 | bool __testeof = __c == __eof; |
||
| 763 | |||
| 764 | while (_M_gcount < __n - 1 && !__testeof) |
||
| 765 | { |
||
| 766 | *__s++ = traits_type::to_char_type(__c); |
||
| 767 | ++_M_gcount; |
||
| 768 | __c = __sb->sbumpc(); |
||
| 769 | __testeof = __c == __eof; |
||
| 770 | } |
||
| 771 | if (__testeof) |
||
| 772 | this->setstate(ios_base::eofbit | ios_base::failbit); |
||
| 773 | else |
||
| 774 | { |
||
| 775 | // _M_gcount == __n - 1 |
||
| 776 | *__s++ = traits_type::to_char_type(__c); |
||
| 777 | ++_M_gcount; |
||
| 778 | } |
||
| 779 | } |
||
| 780 | catch(exception& __fail) |
||
| 781 | { |
||
| 782 | // 27.6.1.3 paragraph 1 |
||
| 783 | // Turn this on without causing an ios::failure to be thrown. |
||
| 784 | this->setstate(ios_base::badbit); |
||
| 785 | if ((this->exceptions() & ios_base::badbit) != 0) |
||
| 786 | __throw_exception_again; |
||
| 787 | } |
||
| 788 | } |
||
| 789 | } |
||
| 790 | else |
||
| 791 | this->setstate(ios_base::failbit); |
||
| 792 | return *this; |
||
| 793 | } |
||
| 794 | |||
| 795 | template |
||
| 796 | streamsize |
||
| 797 | basic_istream<_CharT, _Traits>:: |
||
| 798 | readsome(char_type* __s, streamsize __n) |
||
| 799 | { |
||
| 800 | const int_type __eof = traits_type::eof(); |
||
| 801 | _M_gcount = 0; |
||
| 802 | sentry __cerb(*this, true); |
||
| 803 | if (__cerb) |
||
| 804 | { |
||
| 805 | if (__n > 0) |
||
| 806 | { |
||
| 807 | try |
||
| 808 | { |
||
| 809 | streamsize __num = this->rdbuf()->in_avail(); |
||
| 810 | if (__num != static_cast |
||
| 811 | { |
||
| 812 | __num = min(__num, __n); |
||
| 813 | _M_gcount = this->rdbuf()->sgetn(__s, __num); |
||
| 814 | } |
||
| 815 | else |
||
| 816 | this->setstate(ios_base::eofbit); |
||
| 817 | } |
||
| 818 | catch(exception& __fail) |
||
| 819 | { |
||
| 820 | // 27.6.1.3 paragraph 1 |
||
| 821 | // Turn this on without causing an ios::failure to be thrown. |
||
| 822 | this->setstate(ios_base::badbit); |
||
| 823 | if ((this->exceptions() & ios_base::badbit) != 0) |
||
| 824 | __throw_exception_again; |
||
| 825 | } |
||
| 826 | } |
||
| 827 | } |
||
| 828 | else |
||
| 829 | this->setstate(ios_base::failbit); |
||
| 830 | return _M_gcount; |
||
| 831 | } |
||
| 832 | |||
| 833 | template |
||
| 834 | basic_istream<_CharT, _Traits>& |
||
| 835 | basic_istream<_CharT, _Traits>:: |
||
| 836 | putback(char_type __c) |
||
| 837 | { |
||
| 838 | sentry __cerb(*this, true); |
||
| 839 | if (__cerb) |
||
| 840 | { |
||
| 841 | try |
||
| 842 | { |
||
| 843 | const int_type __eof = traits_type::eof(); |
||
| 844 | __streambuf_type* __sb = this->rdbuf(); |
||
| 845 | if (!__sb || __sb->sputbackc(__c) == __eof) |
||
| 846 | this->setstate(ios_base::badbit); |
||
| 847 | } |
||
| 848 | catch(exception& __fail) |
||
| 849 | { |
||
| 850 | // 27.6.1.3 paragraph 1 |
||
| 851 | // Turn this on without causing an ios::failure to be thrown. |
||
| 852 | this->setstate(ios_base::badbit); |
||
| 853 | if ((this->exceptions() & ios_base::badbit) != 0) |
||
| 854 | __throw_exception_again; |
||
| 855 | } |
||
| 856 | } |
||
| 857 | else |
||
| 858 | this->setstate(ios_base::failbit); |
||
| 859 | return *this; |
||
| 860 | } |
||
| 861 | |||
| 862 | template |
||
| 863 | basic_istream<_CharT, _Traits>& |
||
| 864 | basic_istream<_CharT, _Traits>:: |
||
| 865 | unget(void) |
||
| 866 | { |
||
| 867 | _M_gcount = 0; |
||
| 868 | sentry __cerb(*this, true); |
||
| 869 | if (__cerb) |
||
| 870 | { |
||
| 871 | try |
||
| 872 | { |
||
| 873 | const int_type __eof = traits_type::eof(); |
||
| 874 | __streambuf_type* __sb = this->rdbuf(); |
||
| 875 | if (!__sb || __eof == __sb->sungetc()) |
||
| 876 | this->setstate(ios_base::badbit); |
||
| 877 | } |
||
| 878 | catch(exception& __fail) |
||
| 879 | { |
||
| 880 | // 27.6.1.3 paragraph 1 |
||
| 881 | // Turn this on without causing an ios::failure to be thrown. |
||
| 882 | this->setstate(ios_base::badbit); |
||
| 883 | if ((this->exceptions() & ios_base::badbit) != 0) |
||
| 884 | __throw_exception_again; |
||
| 885 | } |
||
| 886 | } |
||
| 887 | else |
||
| 888 | this->setstate(ios_base::failbit); |
||
| 889 | return *this; |
||
| 890 | } |
||
| 891 | |||
| 892 | template |
||
| 893 | int |
||
| 894 | basic_istream<_CharT, _Traits>:: |
||
| 895 | sync(void) |
||
| 896 | { |
||
| 897 | int __ret = traits_type::eof(); |
||
| 898 | _M_gcount = 0; |
||
| 899 | sentry __cerb(*this, true); |
||
| 900 | if (__cerb) |
||
| 901 | { |
||
| 902 | try |
||
| 903 | { |
||
| 904 | __streambuf_type* __sb = this->rdbuf(); |
||
| 905 | if (!__sb || __ret == __sb->pubsync()) |
||
| 906 | this->setstate(ios_base::badbit); |
||
| 907 | else |
||
| 908 | __ret = 0; |
||
| 909 | } |
||
| 910 | catch(exception& __fail) |
||
| 911 | { |
||
| 912 | // 27.6.1.3 paragraph 1 |
||
| 913 | // Turn this on without causing an ios::failure to be thrown. |
||
| 914 | this->setstate(ios_base::badbit); |
||
| 915 | if ((this->exceptions() & ios_base::badbit) != 0) |
||
| 916 | __throw_exception_again; |
||
| 917 | } |
||
| 918 | } |
||
| 919 | return __ret; |
||
| 920 | } |
||
| 921 | |||
| 922 | template |
||
| 923 | typename basic_istream<_CharT, _Traits>::pos_type |
||
| 924 | basic_istream<_CharT, _Traits>:: |
||
| 925 | tellg(void) |
||
| 926 | { |
||
| 927 | pos_type __ret = pos_type(-1); |
||
| 928 | _M_gcount = 0; |
||
| 929 | sentry __cerb(*this, true); |
||
| 930 | if (__cerb) |
||
| 931 | { |
||
| 932 | try |
||
| 933 | { |
||
| 934 | __ret = this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::in); |
||
| 935 | } |
||
| 936 | catch(exception& __fail) |
||
| 937 | { |
||
| 938 | // 27.6.1.3 paragraph 1 |
||
| 939 | // Turn this on without causing an ios::failure to be thrown. |
||
| 940 | this->setstate(ios_base::badbit); |
||
| 941 | if ((this->exceptions() & ios_base::badbit) != 0) |
||
| 942 | __throw_exception_again; |
||
| 943 | } |
||
| 944 | } |
||
| 945 | return __ret; |
||
| 946 | } |
||
| 947 | |||
| 948 | |||
| 949 | template |
||
| 950 | basic_istream<_CharT, _Traits>& |
||
| 951 | basic_istream<_CharT, _Traits>:: |
||
| 952 | seekg(pos_type __pos) |
||
| 953 | { |
||
| 954 | _M_gcount = 0; |
||
| 955 | sentry __cerb(*this, true); |
||
| 956 | if (__cerb) |
||
| 957 | { |
||
| 958 | try |
||
| 959 | { |
||
| 960 | #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS |
||
| 961 | // 136. seekp, seekg setting wrong streams? |
||
| 962 | pos_type __err = this->rdbuf()->pubseekpos(__pos, ios_base::in); |
||
| 963 | |||
| 964 | // 129. Need error indication from seekp() and seekg() |
||
| 965 | if (__err == pos_type(off_type(-1))) |
||
| 966 | this->setstate(failbit); |
||
| 967 | #endif |
||
| 968 | } |
||
| 969 | catch(exception& __fail) |
||
| 970 | { |
||
| 971 | // 27.6.1.3 paragraph 1 |
||
| 972 | // Turn this on without causing an ios::failure to be thrown. |
||
| 973 | this->setstate(ios_base::badbit); |
||
| 974 | if ((this->exceptions() & ios_base::badbit) != 0) |
||
| 975 | __throw_exception_again; |
||
| 976 | } |
||
| 977 | } |
||
| 978 | return *this; |
||
| 979 | } |
||
| 980 | |||
| 981 | template |
||
| 982 | basic_istream<_CharT, _Traits>& |
||
| 983 | basic_istream<_CharT, _Traits>:: |
||
| 984 | seekg(off_type __off, ios_base::seekdir __dir) |
||
| 985 | { |
||
| 986 | _M_gcount = 0; |
||
| 987 | sentry __cerb(*this, true); |
||
| 988 | if (__cerb) |
||
| 989 | { |
||
| 990 | try |
||
| 991 | { |
||
| 992 | #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS |
||
| 993 | // 136. seekp, seekg setting wrong streams? |
||
| 994 | pos_type __err = this->rdbuf()->pubseekoff(__off, __dir, |
||
| 995 | ios_base::in); |
||
| 996 | |||
| 997 | // 129. Need error indication from seekp() and seekg() |
||
| 998 | if (__err == pos_type(off_type(-1))) |
||
| 999 | this->setstate(failbit); |
||
| 1000 | #endif |
||
| 1001 | } |
||
| 1002 | catch(exception& __fail) |
||
| 1003 | { |
||
| 1004 | // 27.6.1.3 paragraph 1 |
||
| 1005 | // Turn this on without causing an ios::failure to be thrown. |
||
| 1006 | this->setstate(ios_base::badbit); |
||
| 1007 | if ((this->exceptions() & ios_base::badbit) != 0) |
||
| 1008 | __throw_exception_again; |
||
| 1009 | } |
||
| 1010 | } |
||
| 1011 | return *this; |
||
| 1012 | } |
||
| 1013 | |||
| 1014 | // 27.6.1.2.3 Character extraction templates |
||
| 1015 | template |
||
| 1016 | basic_istream<_CharT, _Traits>& |
||
| 1017 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c) |
||
| 1018 | { |
||
| 1019 | typedef basic_istream<_CharT, _Traits> __istream_type; |
||
| 1020 | typename __istream_type::sentry __cerb(__in, false); |
||
| 1021 | if (__cerb) |
||
| 1022 | { |
||
| 1023 | try |
||
| 1024 | { __in.get(__c); } |
||
| 1025 | catch(exception& __fail) |
||
| 1026 | { |
||
| 1027 | // 27.6.1.2.1 Common requirements. |
||
| 1028 | // Turn this on without causing an ios::failure to be thrown. |
||
| 1029 | __in.setstate(ios_base::badbit); |
||
| 1030 | if ((__in.exceptions() & ios_base::badbit) != 0) |
||
| 1031 | __throw_exception_again; |
||
| 1032 | } |
||
| 1033 | } |
||
| 1034 | else |
||
| 1035 | __in.setstate(ios_base::failbit); |
||
| 1036 | return __in; |
||
| 1037 | } |
||
| 1038 | |||
| 1039 | template |
||
| 1040 | basic_istream<_CharT, _Traits>& |
||
| 1041 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s) |
||
| 1042 | { |
||
| 1043 | typedef basic_istream<_CharT, _Traits> __istream_type; |
||
| 1044 | typedef typename __istream_type::__streambuf_type __streambuf_type; |
||
| 1045 | typedef typename _Traits::int_type int_type; |
||
| 1046 | typedef _CharT char_type; |
||
| 1047 | typedef ctype<_CharT> __ctype_type; |
||
| 1048 | streamsize __extracted = 0; |
||
| 1049 | |||
| 1050 | typename __istream_type::sentry __cerb(__in, false); |
||
| 1051 | if (__cerb) |
||
| 1052 | { |
||
| 1053 | try |
||
| 1054 | { |
||
| 1055 | // Figure out how many characters to extract. |
||
| 1056 | streamsize __num = __in.width(); |
||
| 1057 | if (__num == 0) |
||
| 1058 | __num = numeric_limits |
||
| 1059 | |||
| 1060 | __streambuf_type* __sb = __in.rdbuf(); |
||
| 1061 | const __ctype_type* __ctype = __in._M_get_fctype_ios(); |
||
| 1062 | int_type __c = __sb->sbumpc(); |
||
| 1063 | const int_type __eof = _Traits::eof(); |
||
| 1064 | bool __testsp = __ctype->is(ctype_base::space, __c); |
||
| 1065 | bool __testeof = __c == __eof; |
||
| 1066 | |||
| 1067 | while (__extracted < __num - 1 && !__testeof && !__testsp) |
||
| 1068 | { |
||
| 1069 | *__s++ = __c; |
||
| 1070 | ++__extracted; |
||
| 1071 | __c = __sb->sbumpc(); |
||
| 1072 | __testeof = __c == __eof; |
||
| 1073 | __testsp = __ctype->is(ctype_base::space, __c); |
||
| 1074 | } |
||
| 1075 | |||
| 1076 | if (!__testeof) |
||
| 1077 | __sb->sputbackc(__c); |
||
| 1078 | else |
||
| 1079 | __in.setstate(ios_base::eofbit); |
||
| 1080 | |||
| 1081 | #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS |
||
| 1082 | //68. Extractors for char* should store null at end |
||
| 1083 | *__s = char_type(); |
||
| 1084 | #endif |
||
| 1085 | __in.width(0); |
||
| 1086 | } |
||
| 1087 | catch(exception& __fail) |
||
| 1088 | { |
||
| 1089 | // 27.6.1.2.1 Common requirements. |
||
| 1090 | // Turn this on without causing an ios::failure to be thrown. |
||
| 1091 | __in.setstate(ios_base::badbit); |
||
| 1092 | if ((__in.exceptions() & ios_base::badbit) != 0) |
||
| 1093 | __throw_exception_again; |
||
| 1094 | } |
||
| 1095 | } |
||
| 1096 | if (!__extracted) |
||
| 1097 | __in.setstate(ios_base::failbit); |
||
| 1098 | return __in; |
||
| 1099 | } |
||
| 1100 | |||
| 1101 | // 27.6.1.4 Standard basic_istream manipulators |
||
| 1102 | template |
||
| 1103 | basic_istream<_CharT,_Traits>& |
||
| 1104 | ws(basic_istream<_CharT,_Traits>& __in) |
||
| 1105 | { |
||
| 1106 | typedef basic_istream<_CharT, _Traits> __istream_type; |
||
| 1107 | typedef typename __istream_type::__streambuf_type __streambuf_type; |
||
| 1108 | typedef typename __istream_type::__ctype_type __ctype_type; |
||
| 1109 | typedef typename __istream_type::int_type __int_type; |
||
| 1110 | typedef typename __istream_type::char_type __char_type; |
||
| 1111 | |||
| 1112 | __streambuf_type* __sb = __in.rdbuf(); |
||
| 1113 | const __ctype_type* __ctype = __in._M_get_fctype_ios(); |
||
| 1114 | const __int_type __eof = _Traits::eof(); |
||
| 1115 | __int_type __c; |
||
| 1116 | bool __testeof; |
||
| 1117 | bool __testsp; |
||
| 1118 | |||
| 1119 | do |
||
| 1120 | { |
||
| 1121 | __c = __sb->sbumpc(); |
||
| 1122 | __testeof = __c == __eof; |
||
| 1123 | __testsp = __ctype->is(ctype_base::space, __c); |
||
| 1124 | } |
||
| 1125 | while (!__testeof && __testsp); |
||
| 1126 | |||
| 1127 | if (!__testeof && !__testsp) |
||
| 1128 | __sb->sputbackc(__c); |
||
| 1129 | else |
||
| 1130 | __in.setstate(ios_base::eofbit); |
||
| 1131 | |||
| 1132 | return __in; |
||
| 1133 | } |
||
| 1134 | |||
| 1135 | // 21.3.7.9 basic_string::getline and operators |
||
| 1136 | template |
||
| 1137 | basic_istream<_CharT, _Traits>& |
||
| 1138 | operator>>(basic_istream<_CharT, _Traits>& __in, |
||
| 1139 | basic_string<_CharT, _Traits, _Alloc>& __str) |
||
| 1140 | { |
||
| 1141 | typedef basic_istream<_CharT, _Traits> __istream_type; |
||
| 1142 | typedef typename __istream_type::int_type __int_type; |
||
| 1143 | typedef typename __istream_type::__streambuf_type __streambuf_type; |
||
| 1144 | typedef typename __istream_type::__ctype_type __ctype_type; |
||
| 1145 | typedef basic_string<_CharT, _Traits, _Alloc> __string_type; |
||
| 1146 | typedef typename __string_type::size_type __size_type; |
||
| 1147 | __size_type __extracted = 0; |
||
| 1148 | |||
| 1149 | typename __istream_type::sentry __cerb(__in, false); |
||
| 1150 | if (__cerb) |
||
| 1151 | { |
||
| 1152 | __str.erase(); |
||
| 1153 | streamsize __w = __in.width(); |
||
| 1154 | __size_type __n; |
||
| 1155 | __n = __w > 0 ? static_cast<__size_type>(__w) : __str.max_size(); |
||
| 1156 | |||
| 1157 | __streambuf_type* __sb = __in.rdbuf(); |
||
| 1158 | const __ctype_type* __ctype = __in._M_get_fctype_ios(); |
||
| 1159 | __int_type __c = __sb->sbumpc(); |
||
| 1160 | const __int_type __eof = _Traits::eof(); |
||
| 1161 | bool __testsp = __ctype->is(ctype_base::space, __c); |
||
| 1162 | bool __testeof = __c == __eof; |
||
| 1163 | |||
| 1164 | while (__extracted < __n && !__testeof && !__testsp) |
||
| 1165 | { |
||
| 1166 | __str += _Traits::to_char_type(__c); |
||
| 1167 | ++__extracted; |
||
| 1168 | __c = __sb->sbumpc(); |
||
| 1169 | __testeof = __c == __eof; |
||
| 1170 | __testsp = __ctype->is(ctype_base::space, __c); |
||
| 1171 | } |
||
| 1172 | if (!__testeof) |
||
| 1173 | __sb->sputbackc(__c); |
||
| 1174 | else |
||
| 1175 | __in.setstate(ios_base::eofbit); |
||
| 1176 | __in.width(0); |
||
| 1177 | } |
||
| 1178 | #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS |
||
| 1179 | // 2000-02-01 Number to be determined |
||
| 1180 | if (!__extracted) |
||
| 1181 | __in.setstate (ios_base::failbit); |
||
| 1182 | #endif |
||
| 1183 | return __in; |
||
| 1184 | } |
||
| 1185 | |||
| 1186 | template |
||
| 1187 | basic_istream<_CharT, _Traits>& |
||
| 1188 | getline(basic_istream<_CharT, _Traits>& __in, |
||
| 1189 | basic_string<_CharT, _Traits, _Alloc>& __str, _CharT __delim) |
||
| 1190 | { |
||
| 1191 | typedef basic_istream<_CharT, _Traits> __istream_type; |
||
| 1192 | typedef typename __istream_type::int_type __int_type; |
||
| 1193 | typedef typename __istream_type::__streambuf_type __streambuf_type; |
||
| 1194 | typedef typename __istream_type::__ctype_type __ctype_type; |
||
| 1195 | typedef basic_string<_CharT, _Traits, _Alloc> __string_type; |
||
| 1196 | typedef typename __string_type::size_type __size_type; |
||
| 1197 | |||
| 1198 | __size_type __extracted = 0; |
||
| 1199 | bool __testdelim = false; |
||
| 1200 | typename __istream_type::sentry __cerb(__in, true); |
||
| 1201 | if (__cerb) |
||
| 1202 | { |
||
| 1203 | __str.erase(); |
||
| 1204 | __size_type __n = __str.max_size(); |
||
| 1205 | |||
| 1206 | __int_type __idelim = _Traits::to_int_type(__delim); |
||
| 1207 | __streambuf_type* __sb = __in.rdbuf(); |
||
| 1208 | __int_type __c = __sb->sbumpc(); |
||
| 1209 | const __int_type __eof = _Traits::eof(); |
||
| 1210 | __testdelim = __c == __idelim; |
||
| 1211 | bool __testeof = __c == __eof; |
||
| 1212 | |||
| 1213 | while (__extracted <= __n && !__testeof && !__testdelim) |
||
| 1214 | { |
||
| 1215 | __str += _Traits::to_char_type(__c); |
||
| 1216 | ++__extracted; |
||
| 1217 | __c = __sb->sbumpc(); |
||
| 1218 | __testeof = __c == __eof; |
||
| 1219 | __testdelim = __c == __idelim; |
||
| 1220 | } |
||
| 1221 | if (__testeof) |
||
| 1222 | __in.setstate(ios_base::eofbit); |
||
| 1223 | } |
||
| 1224 | if (!__extracted && !__testdelim) |
||
| 1225 | __in.setstate(ios_base::failbit); |
||
| 1226 | return __in; |
||
| 1227 | } |
||
| 1228 | |||
| 1229 | template |
||
| 1230 | inline basic_istream<_CharT,_Traits>& |
||
| 1231 | getline(basic_istream<_CharT, _Traits>& __in, |
||
| 1232 | basic_string<_CharT,_Traits,_Alloc>& __str) |
||
| 1233 | { return getline(__in, __str, __in.widen('\n')); } |
||
| 1234 | } // namespace std |
||
| 1235 | |||
| 1236 | // Local Variables: |
||
| 1237 | // mode:C++ |
||
| 1238 | // End: |
||
| 1239 |