author | William Roberts <williamr@symbian.org> |
Thu, 22 Jul 2010 16:48:56 +0100 | |
branch | GCC_SURGE |
changeset 45 | 4b03adbd26ca |
parent 18 | 47c74d1534e1 |
parent 34 | 5fae379060a7 |
permissions | -rw-r--r-- |
34
5fae379060a7
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
31
diff
changeset
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/* Portion Copyright © 2008-09 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. */ |
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#ifndef _STLP_STRING_IO_C |
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#define _STLP_STRING_IO_C |
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#ifndef _STLP_STRING_IO_H |
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# include <stl/_string_io.h> |
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#endif |
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#ifndef _STLP_INTERNAL_CTYPE_H |
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# include <stl/_ctype.h> |
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#endif |
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# ifdef _STLP_DEBUG |
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# define basic_string _Nondebug_string |
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# endif |
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_STLP_BEGIN_NAMESPACE |
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# if defined (_STLP_OWN_IOSTREAMS) |
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# define _STLP_USING_IO |
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# else |
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# define _STLP_USING_IO _STLP_USING_VENDOR_STD |
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# endif |
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#if defined (_STLP_USE_NEW_IOSTREAMS) |
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template <class _CharT, class _Traits> |
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bool _STLP_CALL |
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__stlp_string_fill(basic_ostream<_CharT, _Traits>& __os, |
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basic_streambuf<_CharT, _Traits>* __buf, |
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size_t __n) |
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{ |
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_CharT __f = __os.fill(); |
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size_t __i; |
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bool __ok = true; |
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for (__i = 0; __i < __n; ++__i) |
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__ok = __ok && !_Traits::eq_int_type(__buf->sputc(__f), _Traits::eof()); |
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return __ok; |
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} |
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template <class _CharT, class _Traits, class _Alloc> |
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basic_ostream<_CharT, _Traits>& _STLP_CALL |
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operator<<(basic_ostream<_CharT, _Traits>& __os, |
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const basic_string<_CharT,_Traits,_Alloc>& __s) |
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{ |
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_STLP_USING_IO |
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typedef basic_ostream<_CharT, _Traits> __ostream; |
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typename __ostream::sentry __sentry(__os); |
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bool __ok = false; |
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if (__sentry) { |
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__ok = true; |
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size_t __n = __s.size(); |
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size_t __pad_len = 0; |
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const bool __left = (__os.flags() & __ostream::left) != 0; |
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const size_t __w = __os.width(0); |
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basic_streambuf<_CharT, _Traits>* __buf = __os.rdbuf(); |
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if (__n < __w) { |
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__pad_len = __w - __n; |
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} |
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if (!__left) |
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__ok = __stlp_string_fill(__os, __buf, __pad_len); |
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__ok = __ok && (__buf->sputn(__s.data(), streamsize(__n)) == streamsize(__n)); |
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if (__left) |
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__ok = __ok && __stlp_string_fill(__os, __buf, __pad_len); |
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} |
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if (!__ok) |
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__os.setstate(__ostream::failbit); |
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return __os; |
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} |
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template <class _CharT, class _Traits, class _Alloc> |
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basic_istream<_CharT, _Traits>& _STLP_CALL |
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operator>>(basic_istream<_CharT, _Traits>& __is, |
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basic_string<_CharT,_Traits, _Alloc>& __s) |
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{ |
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_STLP_USING_IO |
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typedef basic_istream<_CharT, _Traits> __istream; |
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typename __istream::sentry __sentry(__is); |
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if (__sentry) { |
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basic_streambuf<_CharT, _Traits>* __buf = __is.rdbuf(); |
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typedef ctype<_CharT> _C_type; |
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#ifdef _STLP_OWN_IOSTREAMS |
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// const _C_type& _Ctype = use_facet<_C_type>(__loc); |
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const _C_type& _Ctype = *(const _C_type*)__is._M_ctype_facet(); |
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#else |
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# if defined (_STLP_MSVC) && (_STLP_MSVC <= 1200 ) || defined (__ICL) |
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const locale& __loc = __is.getloc(); |
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const _C_type& _Ctype = use_facet(__loc , ( _C_type * ) 0, true); |
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# elif defined (__SUNPRO_CC) |
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const locale& __loc = __is.getloc(); |
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const _C_type& _Ctype = use_facet(__loc , ( _C_type * ) 0); |
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# else |
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const locale& __loc = __is.getloc(); |
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const _C_type& _Ctype = use_facet<_C_type>(__loc); |
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# endif |
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#endif |
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__s.clear(); |
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size_t __n = __is.width(0); |
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if (__n == 0) |
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__n = __STATIC_CAST(size_t,-1); |
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else |
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__s.reserve(__n); |
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while (__n-- > 0) { |
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typename _Traits::int_type __c1 = __buf->sbumpc(); |
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if (_Traits::eq_int_type(__c1, _Traits::eof())) { |
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__is.setstate(__istream::eofbit); |
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break; |
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} |
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else { |
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_CharT __c = _Traits::to_char_type(__c1); |
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if (_Ctype.is(_C_type::space, __c)) { |
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if (_Traits::eq_int_type(__buf->sputbackc(__c), _Traits::eof())) |
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__is.setstate(__istream::failbit); |
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break; |
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} |
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#ifdef __SYMBIAN32__ |
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else if (__c == '\b') { |
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__s.pop_back(); |
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} |
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#endif |
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else |
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__s.push_back(__c); |
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} |
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} |
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// If we have read no characters, then set failbit. |
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if (__s.size() == 0) |
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__is.setstate(__istream::failbit); |
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} |
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else |
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__is.setstate(__istream::failbit); |
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return __is; |
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} |
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template <class _CharT, class _Traits, class _Alloc> |
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basic_istream<_CharT, _Traits>& _STLP_CALL |
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getline(basic_istream<_CharT, _Traits>& __is, |
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basic_string<_CharT,_Traits,_Alloc>& __s, |
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_CharT __delim) |
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{ |
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_STLP_USING_IO |
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typedef basic_istream<_CharT, _Traits> __istream; |
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size_t __nread = 0; |
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typename basic_istream<_CharT, _Traits>::sentry __sentry(__is, true); |
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if (__sentry) { |
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basic_streambuf<_CharT, _Traits>* __buf = __is.rdbuf(); |
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__s.clear(); |
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while (__nread < __s.max_size()) { |
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int __c1 = __buf->sbumpc(); |
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if (_Traits::eq_int_type(__c1, _Traits::eof())) { |
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__is.setstate(__istream::eofbit); |
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break; |
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} |
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else { |
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++__nread; |
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_CharT __c = _Traits::to_char_type(__c1); |
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if (!_Traits::eq(__c, __delim)) |
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__s.push_back(__c); |
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else |
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break; // Character is extracted but not appended. |
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} |
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} |
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} |
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if (__nread == 0 || __nread >= __s.max_size()) |
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__is.setstate(__istream::failbit); |
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return __is; |
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} |
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#elif ! defined ( _STLP_USE_NO_IOSTREAMS ) |
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// (reg) For Watcom IO, _OSTREAM_DLL tells if ostream class is in .exe or in .dll |
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template <class _CharT, class _Traits, class _Alloc> |
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_OSTREAM_DLL& _STLP_CALL operator<<(_OSTREAM_DLL& __os, |
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const basic_string<_CharT,_Traits,_Alloc>& __s) |
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{ |
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_STLP_USING_IO |
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streambuf* __buf = __os.rdbuf(); |
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if (__buf) { |
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size_t __n = __s.size(); |
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size_t __pad_len = 0; |
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const bool __left = (__os.flags() & ios::left) !=0; |
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const size_t __w = __os.width(); |
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if (__n < __w) { |
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__pad_len = __w - __n; |
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} |
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if (!__left) |
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__stlp_string_fill(__os, __buf, __pad_len); |
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const size_t __nwritten = __buf->sputn(__s.data(), __n); |
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if (__left) |
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__stlp_string_fill(__os, __buf, __pad_len); |
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if (__nwritten != __n) |
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__os.clear(__os.rdstate() | ios::failbit); |
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__os.width(0); |
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} |
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else |
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__os.clear(__os.rdstate() | ios::badbit); |
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return __os; |
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} |
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template <class _CharT, class _Traits, class _Alloc> |
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_ISTREAM_DLL& _STLP_CALL operator>>(_ISTREAM_DLL& __is, basic_string<_CharT,_Traits,_Alloc>& __s) |
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{ |
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_STLP_USING_IO |
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if (!__is) |
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return __is; |
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streambuf* __buf = __is.rdbuf(); |
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if (__buf) { |
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if (__is.flags() & ios::skipws) { |
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// _CharT __c; |
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int __c; |
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do { |
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__c = __buf->sbumpc(); |
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} |
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while (__c != EOF && isspace((unsigned char)__c)); |
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if (__c == EOF) { |
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__is.clear(__is.rdstate() | ios::eofbit | ios::failbit); |
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} |
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else { |
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if (__buf->sputbackc(__c) == EOF) |
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__is.clear(__is.rdstate() | ios::failbit); |
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} |
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} |
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// If we arrive at end of file (or fail for some other reason) while |
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// still discarding whitespace, then we don't try to read the string. |
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if (__is) { |
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__s.clear(); |
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size_t __n = __is.width(); |
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if (__n == 0) |
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__n = __STATIC_CAST(size_t,-1); |
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else |
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__s.reserve(__n); |
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while (__n-- > 0) { |
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int __c1 = __buf->sbumpc(); |
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if (__c1 == EOF) { |
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__is.clear(__is.rdstate() | ios::eofbit); |
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break; |
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} |
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else { |
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_CharT __c = _Traits::to_char_type(__c1); |
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if (isspace((unsigned char) __c)) { |
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if (__buf->sputbackc(__c) == EOF) |
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__is.clear(__is.rdstate() | ios::failbit); |
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break; |
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} |
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else |
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__s.push_back(__c); |
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} |
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} |
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// If we have read no characters, then set failbit. |
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if (__s.size() == 0) |
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__is.clear(__is.rdstate() | ios::failbit); |
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} |
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__is.width(0); |
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} |
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else // We have no streambuf. |
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__is.clear(__is.rdstate() | ios::badbit); |
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return __is; |
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} |
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template <class _CharT, class _Traits, class _Alloc> |
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_ISTREAM_DLL& _STLP_CALL getline(_ISTREAM_DLL& __is, |
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basic_string<_CharT,_Traits,_Alloc>& __s, |
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_CharT __delim) |
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{ |
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_STLP_USING_IO |
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streambuf* __buf = __is.rdbuf(); |
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if (__buf) { |
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size_t __nread = 0; |
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if (__is) { |
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__s.clear(); |
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while (__nread < __s.max_size()) { |
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int __c1 = __buf->sbumpc(); |
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if (__c1 == EOF) { |
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__is.clear(__is.rdstate() | ios::eofbit); |
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break; |
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} |
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else { |
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++__nread; |
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_CharT __c = _Traits::to_char_type(__c1); |
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if (!_Traits::eq(__c, __delim)) |
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__s.push_back(__c); |
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else |
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break; // Character is extracted but not appended. |
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} |
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} |
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} |
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if (__nread == 0 || __nread >= __s.max_size()) |
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__is.clear(__is.rdstate() | ios::failbit); |
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} |
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else |
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__is.clear(__is.rdstate() | ios::badbit); |
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return __is; |
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} |
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# endif /* _STLP_NEW_IOSTREAMS */ |
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_STLP_END_NAMESPACE |
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// # undef _STLP_USING_IO |
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# undef basic_string |
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#endif |