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// -*- C++ -*- |
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//===--------------------------- istream ----------------------------------===// |
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// |
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// The LLVM Compiler Infrastructure |
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// |
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// This file is dual licensed under the MIT and the University of Illinois Open |
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// Source Licenses. See LICENSE.TXT for details. |
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// |
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//===----------------------------------------------------------------------===// |
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|
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#ifndef _LIBCPP_ISTREAM |
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#define _LIBCPP_ISTREAM |
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|
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/* |
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istream synopsis |
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|
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template <class charT, class traits = char_traits<charT> > |
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class basic_istream |
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: virtual public basic_ios<charT,traits> |
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{ |
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public: |
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// types (inherited from basic_ios (27.5.4)): |
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typedef charT char_type; |
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typedef traits traits_type; |
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typedef typename traits_type::int_type int_type; |
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typedef typename traits_type::pos_type pos_type; |
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typedef typename traits_type::off_type off_type; |
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|
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// 27.7.1.1.1 Constructor/destructor: |
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explicit basic_istream(basic_streambuf<char_type, traits_type>* sb); |
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basic_istream(basic_istream&& rhs); |
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virtual ~basic_istream(); |
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|
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// 27.7.1.1.2 Assign/swap: |
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basic_istream& operator=(basic_istream&& rhs); |
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void swap(basic_istream& rhs); |
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|
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// 27.7.1.1.3 Prefix/suffix: |
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class sentry; |
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|
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// 27.7.1.2 Formatted input: |
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basic_istream& operator>>(basic_istream& (*pf)(basic_istream&)); |
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basic_istream& operator>>(basic_ios<char_type, traits_type>& |
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(*pf)(basic_ios<char_type, traits_type>&)); |
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basic_istream& operator>>(ios_base& (*pf)(ios_base&)); |
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basic_istream& operator>>(basic_streambuf<char_type, traits_type>* sb); |
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basic_istream& operator>>(bool& n); |
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basic_istream& operator>>(short& n); |
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basic_istream& operator>>(unsigned short& n); |
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basic_istream& operator>>(int& n); |
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basic_istream& operator>>(unsigned int& n); |
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basic_istream& operator>>(long& n); |
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basic_istream& operator>>(unsigned long& n); |
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basic_istream& operator>>(long long& n); |
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basic_istream& operator>>(unsigned long long& n); |
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basic_istream& operator>>(float& f); |
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basic_istream& operator>>(double& f); |
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basic_istream& operator>>(long double& f); |
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basic_istream& operator>>(void*& p); |
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|
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// 27.7.1.3 Unformatted input: |
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streamsize gcount() const; |
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int_type get(); |
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basic_istream& get(char_type& c); |
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basic_istream& get(char_type* s, streamsize n); |
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basic_istream& get(char_type* s, streamsize n, char_type delim); |
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basic_istream& get(basic_streambuf<char_type,traits_type>& sb); |
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basic_istream& get(basic_streambuf<char_type,traits_type>& sb, char_type delim); |
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|
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basic_istream& getline(char_type* s, streamsize n); |
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basic_istream& getline(char_type* s, streamsize n, char_type delim); |
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|
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basic_istream& ignore(streamsize n = 1, int_type delim = traits_type::eof()); |
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int_type peek(); |
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basic_istream& read (char_type* s, streamsize n); |
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streamsize readsome(char_type* s, streamsize n); |
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|
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basic_istream& putback(char_type c); |
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basic_istream& unget(); |
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int sync(); |
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|
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pos_type tellg(); |
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basic_istream& seekg(pos_type); |
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basic_istream& seekg(off_type, ios_base::seekdir); |
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protected: |
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basic_istream(const basic_istream& rhs) = delete; |
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basic_istream(basic_istream&& rhs); |
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// 27.7.2.1.2 Assign/swap: |
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basic_istream& operator=(const basic_istream& rhs) = delete; |
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basic_istream& operator=(basic_istream&& rhs); |
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void swap(basic_istream& rhs); |
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}; |
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|
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// 27.7.1.2.3 character extraction templates: |
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template<class charT, class traits> |
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basic_istream<charT,traits>& operator>>(basic_istream<charT,traits>&, charT&); |
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|
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template<class traits> |
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basic_istream<char,traits>& operator>>(basic_istream<char,traits>&, unsigned char&); |
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|
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template<class traits> |
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basic_istream<char,traits>& operator>>(basic_istream<char,traits>&, signed char&); |
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|
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template<class charT, class traits> |
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basic_istream<charT,traits>& operator>>(basic_istream<charT,traits>&, charT*); |
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|
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template<class traits> |
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basic_istream<char,traits>& operator>>(basic_istream<char,traits>&, unsigned char*); |
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|
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template<class traits> |
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basic_istream<char,traits>& operator>>(basic_istream<char,traits>&, signed char*); |
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|
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template <class charT, class traits> |
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void |
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swap(basic_istream<charT, traits>& x, basic_istream<charT, traits>& y); |
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|
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typedef basic_istream<char> istream; |
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typedef basic_istream<wchar_t> wistream; |
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|
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template <class charT, class traits = char_traits<charT> > |
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class basic_iostream : |
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public basic_istream<charT,traits>, |
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public basic_ostream<charT,traits> |
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{ |
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public: |
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// types: |
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typedef charT char_type; |
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typedef traits traits_type; |
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typedef typename traits_type::int_type int_type; |
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typedef typename traits_type::pos_type pos_type; |
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typedef typename traits_type::off_type off_type; |
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|
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// constructor/destructor |
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explicit basic_iostream(basic_streambuf<char_type, traits_type>* sb); |
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basic_iostream(basic_iostream&& rhs); |
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virtual ~basic_iostream(); |
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|
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// assign/swap |
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basic_iostream& operator=(basic_iostream&& rhs); |
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void swap(basic_iostream& rhs); |
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}; |
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|
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template <class charT, class traits> |
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void |
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swap(basic_iostream<charT, traits>& x, basic_iostream<charT, traits>& y); |
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|
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typedef basic_iostream<char> iostream; |
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typedef basic_iostream<wchar_t> wiostream; |
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|
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template <class charT, class traits> |
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basic_istream<charT,traits>& |
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ws(basic_istream<charT,traits>& is); |
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|
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template <class charT, class traits, class T> |
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basic_istream<charT, traits>& |
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operator>>(basic_istream<charT, traits>&& is, T& x); |
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|
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} // std |
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|
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*/ |
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|
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#include <__config> |
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#include <ostream> |
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|
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#include <__undef_min_max> |
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|
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
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#pragma GCC system_header |
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#endif |
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|
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_LIBCPP_BEGIN_NAMESPACE_STD |
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|
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template <class _CharT, class _Traits> |
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class _LIBCPP_TYPE_VIS_ONLY basic_istream |
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: virtual public basic_ios<_CharT, _Traits> |
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{ |
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streamsize __gc_; |
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public: |
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// types (inherited from basic_ios (27.5.4)): |
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typedef _CharT char_type; |
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typedef _Traits traits_type; |
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typedef typename traits_type::int_type int_type; |
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typedef typename traits_type::pos_type pos_type; |
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typedef typename traits_type::off_type off_type; |
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|
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// 27.7.1.1.1 Constructor/destructor: |
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explicit basic_istream(basic_streambuf<char_type, traits_type>* __sb); |
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virtual ~basic_istream(); |
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protected: |
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
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_LIBCPP_INLINE_VISIBILITY |
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basic_istream(basic_istream&& __rhs); |
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#endif |
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// 27.7.1.1.2 Assign/swap: |
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
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_LIBCPP_INLINE_VISIBILITY |
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basic_istream& operator=(basic_istream&& __rhs); |
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#endif |
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void swap(basic_istream& __rhs); |
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|
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#if _LIBCPP_STD_VER > 11 |
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#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS |
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basic_istream (const basic_istream& __rhs) = delete; |
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basic_istream& operator=(const basic_istream& __rhs) = delete; |
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#else |
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basic_istream (const basic_istream& __rhs); // not defined |
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basic_istream& operator=(const basic_istream& __rhs); // not defined |
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#endif |
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#endif |
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public: |
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|
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// 27.7.1.1.3 Prefix/suffix: |
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class _LIBCPP_TYPE_VIS_ONLY sentry; |
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|
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// 27.7.1.2 Formatted input: |
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basic_istream& operator>>(basic_istream& (*__pf)(basic_istream&)); |
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basic_istream& operator>>(basic_ios<char_type, traits_type>& |
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(*__pf)(basic_ios<char_type, traits_type>&)); |
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basic_istream& operator>>(ios_base& (*__pf)(ios_base&)); |
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basic_istream& operator>>(basic_streambuf<char_type, traits_type>* __sb); |
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basic_istream& operator>>(bool& __n); |
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basic_istream& operator>>(short& __n); |
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basic_istream& operator>>(unsigned short& __n); |
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basic_istream& operator>>(int& __n); |
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basic_istream& operator>>(unsigned int& __n); |
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basic_istream& operator>>(long& __n); |
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basic_istream& operator>>(unsigned long& __n); |
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basic_istream& operator>>(long long& __n); |
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basic_istream& operator>>(unsigned long long& __n); |
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basic_istream& operator>>(float& __f); |
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basic_istream& operator>>(double& __f); |
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basic_istream& operator>>(long double& __f); |
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basic_istream& operator>>(void*& __p); |
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|
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// 27.7.1.3 Unformatted input: |
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_LIBCPP_INLINE_VISIBILITY |
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streamsize gcount() const {return __gc_;} |
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int_type get(); |
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basic_istream& get(char_type& __c); |
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basic_istream& get(char_type* __s, streamsize __n); |
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basic_istream& get(char_type* __s, streamsize __n, char_type __dlm); |
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basic_istream& get(basic_streambuf<char_type, traits_type>& __sb); |
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basic_istream& get(basic_streambuf<char_type, traits_type>& __sb, char_type __dlm); |
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|
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basic_istream& getline(char_type* __s, streamsize __n); |
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basic_istream& getline(char_type* __s, streamsize __n, char_type __dlm); |
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|
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basic_istream& ignore(streamsize __n = 1, int_type __dlm = traits_type::eof()); |
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int_type peek(); |
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basic_istream& read (char_type* __s, streamsize __n); |
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streamsize readsome(char_type* __s, streamsize __n); |
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|
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basic_istream& putback(char_type __c); |
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basic_istream& unget(); |
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int sync(); |
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|
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pos_type tellg(); |
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basic_istream& seekg(pos_type __pos); |
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basic_istream& seekg(off_type __off, ios_base::seekdir __dir); |
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}; |
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|
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template <class _CharT, class _Traits> |
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class _LIBCPP_TYPE_VIS_ONLY basic_istream<_CharT, _Traits>::sentry |
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{ |
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bool __ok_; |
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|
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sentry(const sentry&); // = delete; |
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sentry& operator=(const sentry&); // = delete; |
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|
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public: |
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explicit sentry(basic_istream<_CharT, _Traits>& __is, bool __noskipws = false); |
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// ~sentry() = default; |
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|
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_LIBCPP_INLINE_VISIBILITY |
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_LIBCPP_EXPLICIT |
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operator bool() const {return __ok_;} |
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}; |
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|
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template <class _CharT, class _Traits> |
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basic_istream<_CharT, _Traits>::sentry::sentry(basic_istream<_CharT, _Traits>& __is, |
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bool __noskipws) |
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: __ok_(false) |
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{ |
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if (__is.good()) |
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{ |
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if (__is.tie()) |
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__is.tie()->flush(); |
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if (!__noskipws && (__is.flags() & ios_base::skipws)) |
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{ |
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typedef istreambuf_iterator<_CharT, _Traits> _Ip; |
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const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__is.getloc()); |
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_Ip __i(__is); |
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_Ip __eof; |
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for (; __i != __eof; ++__i) |
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if (!__ct.is(__ct.space, *__i)) |
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break; |
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if (__i == __eof) |
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__is.setstate(ios_base::failbit | ios_base::eofbit); |
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} |
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__ok_ = __is.good(); |
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} |
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else |
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__is.setstate(ios_base::failbit); |
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} |
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|
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template <class _CharT, class _Traits> |
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inline _LIBCPP_INLINE_VISIBILITY |
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basic_istream<_CharT, _Traits>::basic_istream(basic_streambuf<char_type, traits_type>* __sb) |
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: __gc_(0) |
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{ |
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this->init(__sb); |
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} |
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|
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
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|
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template <class _CharT, class _Traits> |
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inline _LIBCPP_INLINE_VISIBILITY |
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basic_istream<_CharT, _Traits>::basic_istream(basic_istream&& __rhs) |
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: __gc_(__rhs.__gc_) |
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{ |
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__rhs.__gc_ = 0; |
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this->move(__rhs); |
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} |
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|
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template <class _CharT, class _Traits> |
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inline _LIBCPP_INLINE_VISIBILITY |
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basic_istream<_CharT, _Traits>& |
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basic_istream<_CharT, _Traits>::operator=(basic_istream&& __rhs) |
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{ |
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swap(__rhs); |
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return *this; |
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} |
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|
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#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
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|
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template <class _CharT, class _Traits> |
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basic_istream<_CharT, _Traits>::~basic_istream() |
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{ |
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} |
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|
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template <class _CharT, class _Traits> |
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inline _LIBCPP_INLINE_VISIBILITY |
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void |
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basic_istream<_CharT, _Traits>::swap(basic_istream& __rhs) |
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{ |
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_VSTD::swap(__gc_, __rhs.__gc_); |
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basic_ios<char_type, traits_type>::swap(__rhs); |
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} |
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|
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template <class _CharT, class _Traits> |
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basic_istream<_CharT, _Traits>& |
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basic_istream<_CharT, _Traits>::operator>>(unsigned short& __n) |
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{ |
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#ifndef _LIBCPP_NO_EXCEPTIONS |
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try |
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{ |
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#endif // _LIBCPP_NO_EXCEPTIONS |
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sentry __s(*this); |
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if (__s) |
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{ |
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typedef istreambuf_iterator<char_type, traits_type> _Ip; |
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typedef num_get<char_type, _Ip> _Fp; |
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ios_base::iostate __err = ios_base::goodbit; |
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use_facet<_Fp>(this->getloc()).get(_Ip(*this), _Ip(), *this, __err, __n); |
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this->setstate(__err); |
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} |
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#ifndef _LIBCPP_NO_EXCEPTIONS |
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} |
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catch (...) |
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{ |
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this->__set_badbit_and_consider_rethrow(); |
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} |
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#endif // _LIBCPP_NO_EXCEPTIONS |
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return *this; |
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} |
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|
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template <class _CharT, class _Traits> |
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basic_istream<_CharT, _Traits>& |
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basic_istream<_CharT, _Traits>::operator>>(unsigned int& __n) |
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{ |
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#ifndef _LIBCPP_NO_EXCEPTIONS |
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try |
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{ |
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#endif // _LIBCPP_NO_EXCEPTIONS |
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sentry __s(*this); |
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if (__s) |
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{ |
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typedef istreambuf_iterator<char_type, traits_type> _Ip; |
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typedef num_get<char_type, _Ip> _Fp; |
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ios_base::iostate __err = ios_base::goodbit; |
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use_facet<_Fp>(this->getloc()).get(_Ip(*this), _Ip(), *this, __err, __n); |
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this->setstate(__err); |
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} |
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#ifndef _LIBCPP_NO_EXCEPTIONS |
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} |
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catch (...) |
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{ |
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this->__set_badbit_and_consider_rethrow(); |
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} |
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#endif // _LIBCPP_NO_EXCEPTIONS |
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return *this; |
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} |
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|
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template <class _CharT, class _Traits> |
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basic_istream<_CharT, _Traits>& |
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basic_istream<_CharT, _Traits>::operator>>(long& __n) |
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{ |
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#ifndef _LIBCPP_NO_EXCEPTIONS |
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try |
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{ |
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#endif // _LIBCPP_NO_EXCEPTIONS |
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sentry __s(*this); |
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if (__s) |
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{ |
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typedef istreambuf_iterator<char_type, traits_type> _Ip; |
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typedef num_get<char_type, _Ip> _Fp; |
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ios_base::iostate __err = ios_base::goodbit; |
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use_facet<_Fp>(this->getloc()).get(_Ip(*this), _Ip(), *this, __err, __n); |
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this->setstate(__err); |
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} |
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#ifndef _LIBCPP_NO_EXCEPTIONS |
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} |
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catch (...) |
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{ |
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this->__set_badbit_and_consider_rethrow(); |
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} |
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#endif // _LIBCPP_NO_EXCEPTIONS |
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return *this; |
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} |
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|
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template <class _CharT, class _Traits> |
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basic_istream<_CharT, _Traits>& |
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basic_istream<_CharT, _Traits>::operator>>(unsigned long& __n) |
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{ |
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#ifndef _LIBCPP_NO_EXCEPTIONS |
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try |
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{ |
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#endif // _LIBCPP_NO_EXCEPTIONS |
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sentry __s(*this); |
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if (__s) |
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{ |
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typedef istreambuf_iterator<char_type, traits_type> _Ip; |
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typedef num_get<char_type, _Ip> _Fp; |
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ios_base::iostate __err = ios_base::goodbit; |
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use_facet<_Fp>(this->getloc()).get(_Ip(*this), _Ip(), *this, __err, __n); |
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this->setstate(__err); |
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} |
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#ifndef _LIBCPP_NO_EXCEPTIONS |
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} |
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catch (...) |
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{ |
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this->__set_badbit_and_consider_rethrow(); |
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} |
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#endif // _LIBCPP_NO_EXCEPTIONS |
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return *this; |
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} |
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|
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template <class _CharT, class _Traits> |
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basic_istream<_CharT, _Traits>& |
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basic_istream<_CharT, _Traits>::operator>>(long long& __n) |
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{ |
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#ifndef _LIBCPP_NO_EXCEPTIONS |
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try |
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{ |
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#endif // _LIBCPP_NO_EXCEPTIONS |
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sentry __s(*this); |
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if (__s) |
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{ |
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typedef istreambuf_iterator<char_type, traits_type> _Ip; |
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typedef num_get<char_type, _Ip> _Fp; |
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ios_base::iostate __err = ios_base::goodbit; |
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use_facet<_Fp>(this->getloc()).get(_Ip(*this), _Ip(), *this, __err, __n); |
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this->setstate(__err); |
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} |
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#ifndef _LIBCPP_NO_EXCEPTIONS |
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} |
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catch (...) |
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{ |
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this->__set_badbit_and_consider_rethrow(); |
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} |
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#endif // _LIBCPP_NO_EXCEPTIONS |
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return *this; |
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} |
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|
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template <class _CharT, class _Traits> |
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basic_istream<_CharT, _Traits>& |
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basic_istream<_CharT, _Traits>::operator>>(unsigned long long& __n) |
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{ |
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#ifndef _LIBCPP_NO_EXCEPTIONS |
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try |
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{ |
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#endif // _LIBCPP_NO_EXCEPTIONS |
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sentry __s(*this); |
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if (__s) |
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{ |
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typedef istreambuf_iterator<char_type, traits_type> _Ip; |
497 |
typedef num_get<char_type, _Ip> _Fp; |
498 |
ios_base::iostate __err = ios_base::goodbit; |
499 |
use_facet<_Fp>(this->getloc()).get(_Ip(*this), _Ip(), *this, __err, __n); |
500 |
this->setstate(__err); |
501 |
} |
502 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
503 |
} |
504 |
catch (...) |
505 |
{ |
506 |
this->__set_badbit_and_consider_rethrow(); |
507 |
} |
508 |
#endif // _LIBCPP_NO_EXCEPTIONS |
509 |
return *this; |
510 |
} |
511 |
|
512 |
template <class _CharT, class _Traits> |
513 |
basic_istream<_CharT, _Traits>& |
514 |
basic_istream<_CharT, _Traits>::operator>>(float& __n) |
515 |
{ |
516 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
517 |
try |
518 |
{ |
519 |
#endif // _LIBCPP_NO_EXCEPTIONS |
520 |
sentry __s(*this); |
521 |
if (__s) |
522 |
{ |
523 |
typedef istreambuf_iterator<char_type, traits_type> _Ip; |
524 |
typedef num_get<char_type, _Ip> _Fp; |
525 |
ios_base::iostate __err = ios_base::goodbit; |
526 |
use_facet<_Fp>(this->getloc()).get(_Ip(*this), _Ip(), *this, __err, __n); |
527 |
this->setstate(__err); |
528 |
} |
529 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
530 |
} |
531 |
catch (...) |
532 |
{ |
533 |
this->__set_badbit_and_consider_rethrow(); |
534 |
} |
535 |
#endif // _LIBCPP_NO_EXCEPTIONS |
536 |
return *this; |
537 |
} |
538 |
|
539 |
template <class _CharT, class _Traits> |
540 |
basic_istream<_CharT, _Traits>& |
541 |
basic_istream<_CharT, _Traits>::operator>>(double& __n) |
542 |
{ |
543 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
544 |
try |
545 |
{ |
546 |
#endif // _LIBCPP_NO_EXCEPTIONS |
547 |
sentry __s(*this); |
548 |
if (__s) |
549 |
{ |
550 |
typedef istreambuf_iterator<char_type, traits_type> _Ip; |
551 |
typedef num_get<char_type, _Ip> _Fp; |
552 |
ios_base::iostate __err = ios_base::goodbit; |
553 |
use_facet<_Fp>(this->getloc()).get(_Ip(*this), _Ip(), *this, __err, __n); |
554 |
this->setstate(__err); |
555 |
} |
556 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
557 |
} |
558 |
catch (...) |
559 |
{ |
560 |
this->__set_badbit_and_consider_rethrow(); |
561 |
} |
562 |
#endif // _LIBCPP_NO_EXCEPTIONS |
563 |
return *this; |
564 |
} |
565 |
|
566 |
template <class _CharT, class _Traits> |
567 |
basic_istream<_CharT, _Traits>& |
568 |
basic_istream<_CharT, _Traits>::operator>>(long double& __n) |
569 |
{ |
570 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
571 |
try |
572 |
{ |
573 |
#endif // _LIBCPP_NO_EXCEPTIONS |
574 |
sentry __s(*this); |
575 |
if (__s) |
576 |
{ |
577 |
typedef istreambuf_iterator<char_type, traits_type> _Ip; |
578 |
typedef num_get<char_type, _Ip> _Fp; |
579 |
ios_base::iostate __err = ios_base::goodbit; |
580 |
use_facet<_Fp>(this->getloc()).get(_Ip(*this), _Ip(), *this, __err, __n); |
581 |
this->setstate(__err); |
582 |
} |
583 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
584 |
} |
585 |
catch (...) |
586 |
{ |
587 |
this->__set_badbit_and_consider_rethrow(); |
588 |
} |
589 |
#endif // _LIBCPP_NO_EXCEPTIONS |
590 |
return *this; |
591 |
} |
592 |
|
593 |
template <class _CharT, class _Traits> |
594 |
basic_istream<_CharT, _Traits>& |
595 |
basic_istream<_CharT, _Traits>::operator>>(bool& __n) |
596 |
{ |
597 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
598 |
try |
599 |
{ |
600 |
#endif // _LIBCPP_NO_EXCEPTIONS |
601 |
sentry __s(*this); |
602 |
if (__s) |
603 |
{ |
604 |
typedef istreambuf_iterator<char_type, traits_type> _Ip; |
605 |
typedef num_get<char_type, _Ip> _Fp; |
606 |
ios_base::iostate __err = ios_base::goodbit; |
607 |
use_facet<_Fp>(this->getloc()).get(_Ip(*this), _Ip(), *this, __err, __n); |
608 |
this->setstate(__err); |
609 |
} |
610 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
611 |
} |
612 |
catch (...) |
613 |
{ |
614 |
this->__set_badbit_and_consider_rethrow(); |
615 |
} |
616 |
#endif // _LIBCPP_NO_EXCEPTIONS |
617 |
return *this; |
618 |
} |
619 |
|
620 |
template <class _CharT, class _Traits> |
621 |
basic_istream<_CharT, _Traits>& |
622 |
basic_istream<_CharT, _Traits>::operator>>(void*& __n) |
623 |
{ |
624 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
625 |
try |
626 |
{ |
627 |
#endif // _LIBCPP_NO_EXCEPTIONS |
628 |
sentry __s(*this); |
629 |
if (__s) |
630 |
{ |
631 |
typedef istreambuf_iterator<char_type, traits_type> _Ip; |
632 |
typedef num_get<char_type, _Ip> _Fp; |
633 |
ios_base::iostate __err = ios_base::goodbit; |
634 |
use_facet<_Fp>(this->getloc()).get(_Ip(*this), _Ip(), *this, __err, __n); |
635 |
this->setstate(__err); |
636 |
} |
637 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
638 |
} |
639 |
catch (...) |
640 |
{ |
641 |
this->__set_badbit_and_consider_rethrow(); |
642 |
} |
643 |
#endif // _LIBCPP_NO_EXCEPTIONS |
644 |
return *this; |
645 |
} |
646 |
|
647 |
template <class _CharT, class _Traits> |
648 |
basic_istream<_CharT, _Traits>& |
649 |
basic_istream<_CharT, _Traits>::operator>>(short& __n) |
650 |
{ |
651 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
652 |
try |
653 |
{ |
654 |
#endif // _LIBCPP_NO_EXCEPTIONS |
655 |
sentry __s(*this); |
656 |
if (__s) |
657 |
{ |
658 |
typedef istreambuf_iterator<char_type, traits_type> _Ip; |
659 |
typedef num_get<char_type, _Ip> _Fp; |
660 |
ios_base::iostate __err = ios_base::goodbit; |
661 |
long __temp; |
662 |
use_facet<_Fp>(this->getloc()).get(_Ip(*this), _Ip(), *this, __err, __temp); |
663 |
if (__temp < numeric_limits<short>::min()) |
664 |
{ |
665 |
__err |= ios_base::failbit; |
666 |
__n = numeric_limits<short>::min(); |
667 |
} |
668 |
else if (__temp > numeric_limits<short>::max()) |
669 |
{ |
670 |
__err |= ios_base::failbit; |
671 |
__n = numeric_limits<short>::max(); |
672 |
} |
673 |
else |
674 |
__n = static_cast<short>(__temp); |
675 |
this->setstate(__err); |
676 |
} |
677 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
678 |
} |
679 |
catch (...) |
680 |
{ |
681 |
this->__set_badbit_and_consider_rethrow(); |
682 |
} |
683 |
#endif // _LIBCPP_NO_EXCEPTIONS |
684 |
return *this; |
685 |
} |
686 |
|
687 |
template <class _CharT, class _Traits> |
688 |
basic_istream<_CharT, _Traits>& |
689 |
basic_istream<_CharT, _Traits>::operator>>(int& __n) |
690 |
{ |
691 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
692 |
try |
693 |
{ |
694 |
#endif // _LIBCPP_NO_EXCEPTIONS |
695 |
sentry __s(*this); |
696 |
if (__s) |
697 |
{ |
698 |
typedef istreambuf_iterator<char_type, traits_type> _Ip; |
699 |
typedef num_get<char_type, _Ip> _Fp; |
700 |
ios_base::iostate __err = ios_base::goodbit; |
701 |
long __temp; |
702 |
use_facet<_Fp>(this->getloc()).get(_Ip(*this), _Ip(), *this, __err, __temp); |
703 |
if (__temp < numeric_limits<int>::min()) |
704 |
{ |
705 |
__err |= ios_base::failbit; |
706 |
__n = numeric_limits<int>::min(); |
707 |
} |
708 |
else if (__temp > numeric_limits<int>::max()) |
709 |
{ |
710 |
__err |= ios_base::failbit; |
711 |
__n = numeric_limits<int>::max(); |
712 |
} |
713 |
else |
714 |
__n = static_cast<int>(__temp); |
715 |
this->setstate(__err); |
716 |
} |
717 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
718 |
} |
719 |
catch (...) |
720 |
{ |
721 |
this->__set_badbit_and_consider_rethrow(); |
722 |
} |
723 |
#endif // _LIBCPP_NO_EXCEPTIONS |
724 |
return *this; |
725 |
} |
726 |
|
727 |
template <class _CharT, class _Traits> |
728 |
inline _LIBCPP_INLINE_VISIBILITY |
729 |
basic_istream<_CharT, _Traits>& |
730 |
basic_istream<_CharT, _Traits>::operator>>(basic_istream& (*__pf)(basic_istream&)) |
731 |
{ |
732 |
return __pf(*this); |
733 |
} |
734 |
|
735 |
template <class _CharT, class _Traits> |
736 |
inline _LIBCPP_INLINE_VISIBILITY |
737 |
basic_istream<_CharT, _Traits>& |
738 |
basic_istream<_CharT, _Traits>::operator>>(basic_ios<char_type, traits_type>& |
739 |
(*__pf)(basic_ios<char_type, traits_type>&)) |
740 |
{ |
741 |
__pf(*this); |
742 |
return *this; |
743 |
} |
744 |
|
745 |
template <class _CharT, class _Traits> |
746 |
inline _LIBCPP_INLINE_VISIBILITY |
747 |
basic_istream<_CharT, _Traits>& |
748 |
basic_istream<_CharT, _Traits>::operator>>(ios_base& (*__pf)(ios_base&)) |
749 |
{ |
750 |
__pf(*this); |
751 |
return *this; |
752 |
} |
753 |
|
754 |
template<class _CharT, class _Traits> |
755 |
basic_istream<_CharT, _Traits>& |
756 |
operator>>(basic_istream<_CharT, _Traits>& __is, _CharT* __s) |
757 |
{ |
758 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
759 |
try |
760 |
{ |
761 |
#endif // _LIBCPP_NO_EXCEPTIONS |
762 |
typename basic_istream<_CharT, _Traits>::sentry __sen(__is); |
763 |
if (__sen) |
764 |
{ |
765 |
streamsize __n = __is.width(); |
766 |
if (__n <= 0) |
767 |
__n = numeric_limits<streamsize>::max() / sizeof(_CharT) - 1; |
768 |
streamsize __c = 0; |
769 |
const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__is.getloc()); |
770 |
ios_base::iostate __err = ios_base::goodbit; |
771 |
while (__c < __n-1) |
772 |
{ |
773 |
typename _Traits::int_type __i = __is.rdbuf()->sgetc(); |
774 |
if (_Traits::eq_int_type(__i, _Traits::eof())) |
775 |
{ |
776 |
__err |= ios_base::eofbit; |
777 |
break; |
778 |
} |
779 |
_CharT __ch = _Traits::to_char_type(__i); |
780 |
if (__ct.is(__ct.space, __ch)) |
781 |
break; |
782 |
*__s++ = __ch; |
783 |
++__c; |
784 |
__is.rdbuf()->sbumpc(); |
785 |
} |
786 |
*__s = _CharT(); |
787 |
__is.width(0); |
788 |
if (__c == 0) |
789 |
__err |= ios_base::failbit; |
790 |
__is.setstate(__err); |
791 |
} |
792 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
793 |
} |
794 |
catch (...) |
795 |
{ |
796 |
__is.__set_badbit_and_consider_rethrow(); |
797 |
} |
798 |
#endif // _LIBCPP_NO_EXCEPTIONS |
799 |
return __is; |
800 |
} |
801 |
|
802 |
template<class _Traits> |
803 |
inline _LIBCPP_INLINE_VISIBILITY |
804 |
basic_istream<char, _Traits>& |
805 |
operator>>(basic_istream<char, _Traits>& __is, unsigned char* __s) |
806 |
{ |
807 |
return __is >> (char*)__s; |
808 |
} |
809 |
|
810 |
template<class _Traits> |
811 |
inline _LIBCPP_INLINE_VISIBILITY |
812 |
basic_istream<char, _Traits>& |
813 |
operator>>(basic_istream<char, _Traits>& __is, signed char* __s) |
814 |
{ |
815 |
return __is >> (char*)__s; |
816 |
} |
817 |
|
818 |
template<class _CharT, class _Traits> |
819 |
basic_istream<_CharT, _Traits>& |
820 |
operator>>(basic_istream<_CharT, _Traits>& __is, _CharT& __c) |
821 |
{ |
822 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
823 |
try |
824 |
{ |
825 |
#endif // _LIBCPP_NO_EXCEPTIONS |
826 |
typename basic_istream<_CharT, _Traits>::sentry __sen(__is); |
827 |
if (__sen) |
828 |
{ |
829 |
typename _Traits::int_type __i = __is.rdbuf()->sbumpc(); |
830 |
if (_Traits::eq_int_type(__i, _Traits::eof())) |
831 |
__is.setstate(ios_base::eofbit | ios_base::failbit); |
832 |
else |
833 |
__c = _Traits::to_char_type(__i); |
834 |
} |
835 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
836 |
} |
837 |
catch (...) |
838 |
{ |
839 |
__is.__set_badbit_and_consider_rethrow(); |
840 |
} |
841 |
#endif // _LIBCPP_NO_EXCEPTIONS |
842 |
return __is; |
843 |
} |
844 |
|
845 |
template<class _Traits> |
846 |
inline _LIBCPP_INLINE_VISIBILITY |
847 |
basic_istream<char, _Traits>& |
848 |
operator>>(basic_istream<char, _Traits>& __is, unsigned char& __c) |
849 |
{ |
850 |
return __is >> (char&)__c; |
851 |
} |
852 |
|
853 |
template<class _Traits> |
854 |
inline _LIBCPP_INLINE_VISIBILITY |
855 |
basic_istream<char, _Traits>& |
856 |
operator>>(basic_istream<char, _Traits>& __is, signed char& __c) |
857 |
{ |
858 |
return __is >> (char&)__c; |
859 |
} |
860 |
|
861 |
template<class _CharT, class _Traits> |
862 |
basic_istream<_CharT, _Traits>& |
863 |
basic_istream<_CharT, _Traits>::operator>>(basic_streambuf<char_type, traits_type>* __sb) |
864 |
{ |
865 |
__gc_ = 0; |
866 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
867 |
try |
868 |
{ |
869 |
#endif // _LIBCPP_NO_EXCEPTIONS |
870 |
sentry __s(*this, true); |
871 |
if (__s) |
872 |
{ |
873 |
if (__sb) |
874 |
{ |
875 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
876 |
try |
877 |
{ |
878 |
#endif // _LIBCPP_NO_EXCEPTIONS |
879 |
ios_base::iostate __err = ios_base::goodbit; |
880 |
while (true) |
881 |
{ |
882 |
typename traits_type::int_type __i = this->rdbuf()->sgetc(); |
883 |
if (traits_type::eq_int_type(__i, _Traits::eof())) |
884 |
{ |
885 |
__err |= ios_base::eofbit; |
886 |
break; |
887 |
} |
888 |
if (traits_type::eq_int_type( |
889 |
__sb->sputc(traits_type::to_char_type(__i)), |
890 |
traits_type::eof())) |
891 |
break; |
892 |
++__gc_; |
893 |
this->rdbuf()->sbumpc(); |
894 |
} |
895 |
if (__gc_ == 0) |
896 |
__err |= ios_base::failbit; |
897 |
this->setstate(__err); |
898 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
899 |
} |
900 |
catch (...) |
901 |
{ |
902 |
if (__gc_ == 0) |
903 |
this->__set_failbit_and_consider_rethrow(); |
904 |
} |
905 |
#endif // _LIBCPP_NO_EXCEPTIONS |
906 |
} |
907 |
else |
908 |
this->setstate(ios_base::failbit); |
909 |
} |
910 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
911 |
} |
912 |
catch (...) |
913 |
{ |
914 |
this->__set_badbit_and_consider_rethrow(); |
915 |
} |
916 |
#endif // _LIBCPP_NO_EXCEPTIONS |
917 |
return *this; |
918 |
} |
919 |
|
920 |
template<class _CharT, class _Traits> |
921 |
typename basic_istream<_CharT, _Traits>::int_type |
922 |
basic_istream<_CharT, _Traits>::get() |
923 |
{ |
924 |
__gc_ = 0; |
925 |
int_type __r = traits_type::eof(); |
926 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
927 |
try |
928 |
{ |
929 |
#endif // _LIBCPP_NO_EXCEPTIONS |
930 |
sentry __s(*this, true); |
931 |
if (__s) |
932 |
{ |
933 |
__r = this->rdbuf()->sbumpc(); |
934 |
if (traits_type::eq_int_type(__r, traits_type::eof())) |
935 |
this->setstate(ios_base::failbit | ios_base::eofbit); |
936 |
else |
937 |
__gc_ = 1; |
938 |
} |
939 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
940 |
} |
941 |
catch (...) |
942 |
{ |
943 |
this->__set_badbit_and_consider_rethrow(); |
944 |
} |
945 |
#endif // _LIBCPP_NO_EXCEPTIONS |
946 |
return __r; |
947 |
} |
948 |
|
949 |
template<class _CharT, class _Traits> |
950 |
inline _LIBCPP_INLINE_VISIBILITY |
951 |
basic_istream<_CharT, _Traits>& |
952 |
basic_istream<_CharT, _Traits>::get(char_type& __c) |
953 |
{ |
954 |
int_type __ch = get(); |
955 |
if (__ch != traits_type::eof()) |
956 |
__c = traits_type::to_char_type(__ch); |
957 |
return *this; |
958 |
} |
959 |
|
960 |
template<class _CharT, class _Traits> |
961 |
basic_istream<_CharT, _Traits>& |
962 |
basic_istream<_CharT, _Traits>::get(char_type* __s, streamsize __n, char_type __dlm) |
963 |
{ |
964 |
__gc_ = 0; |
965 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
966 |
try |
967 |
{ |
968 |
#endif // _LIBCPP_NO_EXCEPTIONS |
969 |
sentry __sen(*this, true); |
970 |
if (__sen) |
971 |
{ |
972 |
if (__n > 0) |
973 |
{ |
974 |
ios_base::iostate __err = ios_base::goodbit; |
975 |
while (__gc_ < __n-1) |
976 |
{ |
977 |
int_type __i = this->rdbuf()->sgetc(); |
978 |
if (traits_type::eq_int_type(__i, traits_type::eof())) |
979 |
{ |
980 |
__err |= ios_base::eofbit; |
981 |
break; |
982 |
} |
983 |
char_type __ch = traits_type::to_char_type(__i); |
984 |
if (traits_type::eq(__ch, __dlm)) |
985 |
break; |
986 |
*__s++ = __ch; |
987 |
++__gc_; |
988 |
this->rdbuf()->sbumpc(); |
989 |
} |
990 |
*__s = char_type(); |
991 |
if (__gc_ == 0) |
992 |
__err |= ios_base::failbit; |
993 |
this->setstate(__err); |
994 |
} |
995 |
else |
996 |
this->setstate(ios_base::failbit); |
997 |
} |
998 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
999 |
} |
1000 |
catch (...) |
1001 |
{ |
1002 |
this->__set_badbit_and_consider_rethrow(); |
1003 |
} |
1004 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1005 |
return *this; |
1006 |
} |
1007 |
|
1008 |
template<class _CharT, class _Traits> |
1009 |
inline _LIBCPP_INLINE_VISIBILITY |
1010 |
basic_istream<_CharT, _Traits>& |
1011 |
basic_istream<_CharT, _Traits>::get(char_type* __s, streamsize __n) |
1012 |
{ |
1013 |
return get(__s, __n, this->widen('\n')); |
1014 |
} |
1015 |
|
1016 |
template<class _CharT, class _Traits> |
1017 |
basic_istream<_CharT, _Traits>& |
1018 |
basic_istream<_CharT, _Traits>::get(basic_streambuf<char_type, traits_type>& __sb, |
1019 |
char_type __dlm) |
1020 |
{ |
1021 |
__gc_ = 0; |
1022 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1023 |
try |
1024 |
{ |
1025 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1026 |
sentry __sen(*this, true); |
1027 |
if (__sen) |
1028 |
{ |
1029 |
ios_base::iostate __err = ios_base::goodbit; |
1030 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1031 |
try |
1032 |
{ |
1033 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1034 |
while (true) |
1035 |
{ |
1036 |
typename traits_type::int_type __i = this->rdbuf()->sgetc(); |
1037 |
if (traits_type::eq_int_type(__i, traits_type::eof())) |
1038 |
{ |
1039 |
__err |= ios_base::eofbit; |
1040 |
break; |
1041 |
} |
1042 |
char_type __ch = traits_type::to_char_type(__i); |
1043 |
if (traits_type::eq(__ch, __dlm)) |
1044 |
break; |
1045 |
if (traits_type::eq_int_type(__sb.sputc(__ch), traits_type::eof())) |
1046 |
break; |
1047 |
++__gc_; |
1048 |
this->rdbuf()->sbumpc(); |
1049 |
} |
1050 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1051 |
} |
1052 |
catch (...) |
1053 |
{ |
1054 |
} |
1055 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1056 |
if (__gc_ == 0) |
1057 |
__err |= ios_base::failbit; |
1058 |
this->setstate(__err); |
1059 |
} |
1060 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1061 |
} |
1062 |
catch (...) |
1063 |
{ |
1064 |
this->__set_badbit_and_consider_rethrow(); |
1065 |
} |
1066 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1067 |
return *this; |
1068 |
} |
1069 |
|
1070 |
template<class _CharT, class _Traits> |
1071 |
inline _LIBCPP_INLINE_VISIBILITY |
1072 |
basic_istream<_CharT, _Traits>& |
1073 |
basic_istream<_CharT, _Traits>::get(basic_streambuf<char_type, traits_type>& __sb) |
1074 |
{ |
1075 |
return get(__sb, this->widen('\n')); |
1076 |
} |
1077 |
|
1078 |
template<class _CharT, class _Traits> |
1079 |
basic_istream<_CharT, _Traits>& |
1080 |
basic_istream<_CharT, _Traits>::getline(char_type* __s, streamsize __n, char_type __dlm) |
1081 |
{ |
1082 |
__gc_ = 0; |
1083 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1084 |
try |
1085 |
{ |
1086 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1087 |
sentry __sen(*this, true); |
1088 |
if (__sen) |
1089 |
{ |
1090 |
ios_base::iostate __err = ios_base::goodbit; |
1091 |
while (true) |
1092 |
{ |
1093 |
typename traits_type::int_type __i = this->rdbuf()->sgetc(); |
1094 |
if (traits_type::eq_int_type(__i, traits_type::eof())) |
1095 |
{ |
1096 |
__err |= ios_base::eofbit; |
1097 |
break; |
1098 |
} |
1099 |
char_type __ch = traits_type::to_char_type(__i); |
1100 |
if (traits_type::eq(__ch, __dlm)) |
1101 |
{ |
1102 |
this->rdbuf()->sbumpc(); |
1103 |
++__gc_; |
1104 |
break; |
1105 |
} |
1106 |
if (__gc_ >= __n-1) |
1107 |
{ |
1108 |
__err |= ios_base::failbit; |
1109 |
break; |
1110 |
} |
1111 |
*__s++ = __ch; |
1112 |
this->rdbuf()->sbumpc(); |
1113 |
++__gc_; |
1114 |
} |
1115 |
if (__n > 0) |
1116 |
*__s = char_type(); |
1117 |
if (__gc_ == 0) |
1118 |
__err |= ios_base::failbit; |
1119 |
this->setstate(__err); |
1120 |
} |
1121 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1122 |
} |
1123 |
catch (...) |
1124 |
{ |
1125 |
this->__set_badbit_and_consider_rethrow(); |
1126 |
} |
1127 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1128 |
return *this; |
1129 |
} |
1130 |
|
1131 |
template<class _CharT, class _Traits> |
1132 |
inline _LIBCPP_INLINE_VISIBILITY |
1133 |
basic_istream<_CharT, _Traits>& |
1134 |
basic_istream<_CharT, _Traits>::getline(char_type* __s, streamsize __n) |
1135 |
{ |
1136 |
return getline(__s, __n, this->widen('\n')); |
1137 |
} |
1138 |
|
1139 |
template<class _CharT, class _Traits> |
1140 |
basic_istream<_CharT, _Traits>& |
1141 |
basic_istream<_CharT, _Traits>::ignore(streamsize __n, int_type __dlm) |
1142 |
{ |
1143 |
__gc_ = 0; |
1144 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1145 |
try |
1146 |
{ |
1147 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1148 |
sentry __sen(*this, true); |
1149 |
if (__sen) |
1150 |
{ |
1151 |
ios_base::iostate __err = ios_base::goodbit; |
1152 |
if (__n == numeric_limits<streamsize>::max()) |
1153 |
{ |
1154 |
while (true) |
1155 |
{ |
1156 |
typename traits_type::int_type __i = this->rdbuf()->sbumpc(); |
1157 |
if (traits_type::eq_int_type(__i, traits_type::eof())) |
1158 |
{ |
1159 |
__err |= ios_base::eofbit; |
1160 |
break; |
1161 |
} |
1162 |
++__gc_; |
1163 |
if (traits_type::eq_int_type(__i, __dlm)) |
1164 |
break; |
1165 |
} |
1166 |
} |
1167 |
else |
1168 |
{ |
1169 |
while (__gc_ < __n) |
1170 |
{ |
1171 |
typename traits_type::int_type __i = this->rdbuf()->sbumpc(); |
1172 |
if (traits_type::eq_int_type(__i, traits_type::eof())) |
1173 |
{ |
1174 |
__err |= ios_base::eofbit; |
1175 |
break; |
1176 |
} |
1177 |
++__gc_; |
1178 |
if (traits_type::eq_int_type(__i, __dlm)) |
1179 |
break; |
1180 |
} |
1181 |
} |
1182 |
this->setstate(__err); |
1183 |
} |
1184 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1185 |
} |
1186 |
catch (...) |
1187 |
{ |
1188 |
this->__set_badbit_and_consider_rethrow(); |
1189 |
} |
1190 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1191 |
return *this; |
1192 |
} |
1193 |
|
1194 |
template<class _CharT, class _Traits> |
1195 |
typename basic_istream<_CharT, _Traits>::int_type |
1196 |
basic_istream<_CharT, _Traits>::peek() |
1197 |
{ |
1198 |
__gc_ = 0; |
1199 |
int_type __r = traits_type::eof(); |
1200 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1201 |
try |
1202 |
{ |
1203 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1204 |
sentry __sen(*this, true); |
1205 |
if (__sen) |
1206 |
{ |
1207 |
__r = this->rdbuf()->sgetc(); |
1208 |
if (traits_type::eq_int_type(__r, traits_type::eof())) |
1209 |
this->setstate(ios_base::eofbit); |
1210 |
} |
1211 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1212 |
} |
1213 |
catch (...) |
1214 |
{ |
1215 |
this->__set_badbit_and_consider_rethrow(); |
1216 |
} |
1217 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1218 |
return __r; |
1219 |
} |
1220 |
|
1221 |
template<class _CharT, class _Traits> |
1222 |
basic_istream<_CharT, _Traits>& |
1223 |
basic_istream<_CharT, _Traits>::read(char_type* __s, streamsize __n) |
1224 |
{ |
1225 |
__gc_ = 0; |
1226 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1227 |
try |
1228 |
{ |
1229 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1230 |
sentry __sen(*this, true); |
1231 |
if (__sen) |
1232 |
{ |
1233 |
__gc_ = this->rdbuf()->sgetn(__s, __n); |
1234 |
if (__gc_ != __n) |
1235 |
this->setstate(ios_base::failbit | ios_base::eofbit); |
1236 |
} |
1237 |
else |
1238 |
this->setstate(ios_base::failbit); |
1239 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1240 |
} |
1241 |
catch (...) |
1242 |
{ |
1243 |
this->__set_badbit_and_consider_rethrow(); |
1244 |
} |
1245 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1246 |
return *this; |
1247 |
} |
1248 |
|
1249 |
template<class _CharT, class _Traits> |
1250 |
streamsize |
1251 |
basic_istream<_CharT, _Traits>::readsome(char_type* __s, streamsize __n) |
1252 |
{ |
1253 |
__gc_ = 0; |
1254 |
streamsize __c = this->rdbuf()->in_avail(); |
1255 |
switch (__c) |
1256 |
{ |
1257 |
case -1: |
1258 |
this->setstate(ios_base::eofbit); |
1259 |
break; |
1260 |
case 0: |
1261 |
break; |
1262 |
default: |
1263 |
read(__s, _VSTD::min(__c, __n)); |
1264 |
break; |
1265 |
} |
1266 |
return __gc_; |
1267 |
} |
1268 |
|
1269 |
template<class _CharT, class _Traits> |
1270 |
basic_istream<_CharT, _Traits>& |
1271 |
basic_istream<_CharT, _Traits>::putback(char_type __c) |
1272 |
{ |
1273 |
__gc_ = 0; |
1274 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1275 |
try |
1276 |
{ |
1277 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1278 |
this->clear(this->rdstate() & ~ios_base::eofbit); |
1279 |
sentry __sen(*this, true); |
1280 |
if (__sen) |
1281 |
{ |
1282 |
if (this->rdbuf() == 0 || this->rdbuf()->sputbackc(__c) == traits_type::eof()) |
1283 |
this->setstate(ios_base::badbit); |
1284 |
} |
1285 |
else |
1286 |
this->setstate(ios_base::failbit); |
1287 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1288 |
} |
1289 |
catch (...) |
1290 |
{ |
1291 |
this->__set_badbit_and_consider_rethrow(); |
1292 |
} |
1293 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1294 |
return *this; |
1295 |
} |
1296 |
|
1297 |
template<class _CharT, class _Traits> |
1298 |
basic_istream<_CharT, _Traits>& |
1299 |
basic_istream<_CharT, _Traits>::unget() |
1300 |
{ |
1301 |
__gc_ = 0; |
1302 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1303 |
try |
1304 |
{ |
1305 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1306 |
this->clear(this->rdstate() & ~ios_base::eofbit); |
1307 |
sentry __sen(*this, true); |
1308 |
if (__sen) |
1309 |
{ |
1310 |
if (this->rdbuf() == 0 || this->rdbuf()->sungetc() == traits_type::eof()) |
1311 |
this->setstate(ios_base::badbit); |
1312 |
} |
1313 |
else |
1314 |
this->setstate(ios_base::failbit); |
1315 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1316 |
} |
1317 |
catch (...) |
1318 |
{ |
1319 |
this->__set_badbit_and_consider_rethrow(); |
1320 |
} |
1321 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1322 |
return *this; |
1323 |
} |
1324 |
|
1325 |
template<class _CharT, class _Traits> |
1326 |
int |
1327 |
basic_istream<_CharT, _Traits>::sync() |
1328 |
{ |
1329 |
int __r = 0; |
1330 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1331 |
try |
1332 |
{ |
1333 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1334 |
sentry __sen(*this, true); |
1335 |
if (__sen) |
1336 |
{ |
1337 |
if (this->rdbuf() == 0) |
1338 |
return -1; |
1339 |
if (this->rdbuf()->pubsync() == -1) |
1340 |
{ |
1341 |
this->setstate(ios_base::badbit); |
1342 |
return -1; |
1343 |
} |
1344 |
} |
1345 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1346 |
} |
1347 |
catch (...) |
1348 |
{ |
1349 |
this->__set_badbit_and_consider_rethrow(); |
1350 |
} |
1351 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1352 |
return __r; |
1353 |
} |
1354 |
|
1355 |
template<class _CharT, class _Traits> |
1356 |
typename basic_istream<_CharT, _Traits>::pos_type |
1357 |
basic_istream<_CharT, _Traits>::tellg() |
1358 |
{ |
1359 |
pos_type __r(-1); |
1360 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1361 |
try |
1362 |
{ |
1363 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1364 |
sentry __sen(*this, true); |
1365 |
if (__sen) |
1366 |
__r = this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::in); |
1367 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1368 |
} |
1369 |
catch (...) |
1370 |
{ |
1371 |
this->__set_badbit_and_consider_rethrow(); |
1372 |
} |
1373 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1374 |
return __r; |
1375 |
} |
1376 |
|
1377 |
template<class _CharT, class _Traits> |
1378 |
basic_istream<_CharT, _Traits>& |
1379 |
basic_istream<_CharT, _Traits>::seekg(pos_type __pos) |
1380 |
{ |
1381 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1382 |
try |
1383 |
{ |
1384 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1385 |
this->clear(this->rdstate() & ~ios_base::eofbit); |
1386 |
sentry __sen(*this, true); |
1387 |
if (__sen) |
1388 |
{ |
1389 |
if (this->rdbuf()->pubseekpos(__pos, ios_base::in) == pos_type(-1)) |
1390 |
this->setstate(ios_base::failbit); |
1391 |
} |
1392 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1393 |
} |
1394 |
catch (...) |
1395 |
{ |
1396 |
this->__set_badbit_and_consider_rethrow(); |
1397 |
} |
1398 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1399 |
return *this; |
1400 |
} |
1401 |
|
1402 |
template<class _CharT, class _Traits> |
1403 |
basic_istream<_CharT, _Traits>& |
1404 |
basic_istream<_CharT, _Traits>::seekg(off_type __off, ios_base::seekdir __dir) |
1405 |
{ |
1406 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1407 |
try |
1408 |
{ |
1409 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1410 |
sentry __sen(*this, true); |
1411 |
if (__sen) |
1412 |
{ |
1413 |
if (this->rdbuf()->pubseekoff(__off, __dir, ios_base::in) == pos_type(-1)) |
1414 |
this->setstate(ios_base::failbit); |
1415 |
} |
1416 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1417 |
} |
1418 |
catch (...) |
1419 |
{ |
1420 |
this->__set_badbit_and_consider_rethrow(); |
1421 |
} |
1422 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1423 |
return *this; |
1424 |
} |
1425 |
|
1426 |
template <class _CharT, class _Traits> |
1427 |
basic_istream<_CharT, _Traits>& |
1428 |
ws(basic_istream<_CharT, _Traits>& __is) |
1429 |
{ |
1430 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1431 |
try |
1432 |
{ |
1433 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1434 |
typename basic_istream<_CharT, _Traits>::sentry __sen(__is, true); |
1435 |
if (__sen) |
1436 |
{ |
1437 |
const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__is.getloc()); |
1438 |
while (true) |
1439 |
{ |
1440 |
typename _Traits::int_type __i = __is.rdbuf()->sgetc(); |
1441 |
if (_Traits::eq_int_type(__i, _Traits::eof())) |
1442 |
{ |
1443 |
__is.setstate(ios_base::eofbit); |
1444 |
break; |
1445 |
} |
1446 |
if (!__ct.is(__ct.space, _Traits::to_char_type(__i))) |
1447 |
break; |
1448 |
__is.rdbuf()->sbumpc(); |
1449 |
} |
1450 |
} |
1451 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1452 |
} |
1453 |
catch (...) |
1454 |
{ |
1455 |
__is.__set_badbit_and_consider_rethrow(); |
1456 |
} |
1457 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1458 |
return __is; |
1459 |
} |
1460 |
|
1461 |
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
1462 |
|
1463 |
template <class _CharT, class _Traits, class _Tp> |
1464 |
inline _LIBCPP_INLINE_VISIBILITY |
1465 |
basic_istream<_CharT, _Traits>& |
1466 |
operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x) |
1467 |
{ |
1468 |
__is >> __x; |
1469 |
return __is; |
1470 |
} |
1471 |
|
1472 |
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
1473 |
|
1474 |
template <class _CharT, class _Traits> |
1475 |
class _LIBCPP_TYPE_VIS_ONLY basic_iostream |
1476 |
: public basic_istream<_CharT, _Traits>, |
1477 |
public basic_ostream<_CharT, _Traits> |
1478 |
{ |
1479 |
public: |
1480 |
// types: |
1481 |
typedef _CharT char_type; |
1482 |
typedef _Traits traits_type; |
1483 |
typedef typename traits_type::int_type int_type; |
1484 |
typedef typename traits_type::pos_type pos_type; |
1485 |
typedef typename traits_type::off_type off_type; |
1486 |
|
1487 |
// constructor/destructor |
1488 |
explicit basic_iostream(basic_streambuf<char_type, traits_type>* __sb); |
1489 |
virtual ~basic_iostream(); |
1490 |
protected: |
1491 |
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
1492 |
_LIBCPP_INLINE_VISIBILITY |
1493 |
basic_iostream(basic_iostream&& __rhs); |
1494 |
#endif |
1495 |
|
1496 |
// assign/swap |
1497 |
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
1498 |
_LIBCPP_INLINE_VISIBILITY |
1499 |
basic_iostream& operator=(basic_iostream&& __rhs); |
1500 |
#endif |
1501 |
void swap(basic_iostream& __rhs); |
1502 |
public: |
1503 |
}; |
1504 |
|
1505 |
template <class _CharT, class _Traits> |
1506 |
inline _LIBCPP_INLINE_VISIBILITY |
1507 |
basic_iostream<_CharT, _Traits>::basic_iostream(basic_streambuf<char_type, traits_type>* __sb) |
1508 |
: basic_istream<_CharT, _Traits>(__sb) |
1509 |
{ |
1510 |
} |
1511 |
|
1512 |
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
1513 |
|
1514 |
template <class _CharT, class _Traits> |
1515 |
inline _LIBCPP_INLINE_VISIBILITY |
1516 |
basic_iostream<_CharT, _Traits>::basic_iostream(basic_iostream&& __rhs) |
1517 |
: basic_istream<_CharT, _Traits>(_VSTD::move(__rhs)) |
1518 |
{ |
1519 |
} |
1520 |
|
1521 |
template <class _CharT, class _Traits> |
1522 |
inline _LIBCPP_INLINE_VISIBILITY |
1523 |
basic_iostream<_CharT, _Traits>& |
1524 |
basic_iostream<_CharT, _Traits>::operator=(basic_iostream&& __rhs) |
1525 |
{ |
1526 |
swap(__rhs); |
1527 |
return *this; |
1528 |
} |
1529 |
|
1530 |
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
1531 |
|
1532 |
template <class _CharT, class _Traits> |
1533 |
basic_iostream<_CharT, _Traits>::~basic_iostream() |
1534 |
{ |
1535 |
} |
1536 |
|
1537 |
template <class _CharT, class _Traits> |
1538 |
inline _LIBCPP_INLINE_VISIBILITY |
1539 |
void |
1540 |
basic_iostream<_CharT, _Traits>::swap(basic_iostream& __rhs) |
1541 |
{ |
1542 |
basic_istream<char_type, traits_type>::swap(__rhs); |
1543 |
} |
1544 |
|
1545 |
template<class _CharT, class _Traits, class _Allocator> |
1546 |
basic_istream<_CharT, _Traits>& |
1547 |
operator>>(basic_istream<_CharT, _Traits>& __is, |
1548 |
basic_string<_CharT, _Traits, _Allocator>& __str) |
1549 |
{ |
1550 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1551 |
try |
1552 |
{ |
1553 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1554 |
typename basic_istream<_CharT, _Traits>::sentry __sen(__is); |
1555 |
if (__sen) |
1556 |
{ |
1557 |
__str.clear(); |
1558 |
streamsize __n = __is.width(); |
1559 |
if (__n <= 0) |
1560 |
__n = __str.max_size(); |
1561 |
if (__n <= 0) |
1562 |
__n = numeric_limits<streamsize>::max(); |
1563 |
streamsize __c = 0; |
1564 |
const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__is.getloc()); |
1565 |
ios_base::iostate __err = ios_base::goodbit; |
1566 |
while (__c < __n) |
1567 |
{ |
1568 |
typename _Traits::int_type __i = __is.rdbuf()->sgetc(); |
1569 |
if (_Traits::eq_int_type(__i, _Traits::eof())) |
1570 |
{ |
1571 |
__err |= ios_base::eofbit; |
1572 |
break; |
1573 |
} |
1574 |
_CharT __ch = _Traits::to_char_type(__i); |
1575 |
if (__ct.is(__ct.space, __ch)) |
1576 |
break; |
1577 |
__str.push_back(__ch); |
1578 |
++__c; |
1579 |
__is.rdbuf()->sbumpc(); |
1580 |
} |
1581 |
__is.width(0); |
1582 |
if (__c == 0) |
1583 |
__err |= ios_base::failbit; |
1584 |
__is.setstate(__err); |
1585 |
} |
1586 |
else |
1587 |
__is.setstate(ios_base::failbit); |
1588 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1589 |
} |
1590 |
catch (...) |
1591 |
{ |
1592 |
__is.__set_badbit_and_consider_rethrow(); |
1593 |
} |
1594 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1595 |
return __is; |
1596 |
} |
1597 |
|
1598 |
template<class _CharT, class _Traits, class _Allocator> |
1599 |
basic_istream<_CharT, _Traits>& |
1600 |
getline(basic_istream<_CharT, _Traits>& __is, |
1601 |
basic_string<_CharT, _Traits, _Allocator>& __str, _CharT __dlm) |
1602 |
{ |
1603 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1604 |
try |
1605 |
{ |
1606 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1607 |
typename basic_istream<_CharT, _Traits>::sentry __sen(__is, true); |
1608 |
if (__sen) |
1609 |
{ |
1610 |
__str.clear(); |
1611 |
ios_base::iostate __err = ios_base::goodbit; |
1612 |
streamsize __extr = 0; |
1613 |
while (true) |
1614 |
{ |
1615 |
typename _Traits::int_type __i = __is.rdbuf()->sbumpc(); |
1616 |
if (_Traits::eq_int_type(__i, _Traits::eof())) |
1617 |
{ |
1618 |
__err |= ios_base::eofbit; |
1619 |
break; |
1620 |
} |
1621 |
++__extr; |
1622 |
_CharT __ch = _Traits::to_char_type(__i); |
1623 |
if (_Traits::eq(__ch, __dlm)) |
1624 |
break; |
1625 |
__str.push_back(__ch); |
1626 |
if (__str.size() == __str.max_size()) |
1627 |
{ |
1628 |
__err |= ios_base::failbit; |
1629 |
break; |
1630 |
} |
1631 |
} |
1632 |
if (__extr == 0) |
1633 |
__err |= ios_base::failbit; |
1634 |
__is.setstate(__err); |
1635 |
} |
1636 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1637 |
} |
1638 |
catch (...) |
1639 |
{ |
1640 |
__is.__set_badbit_and_consider_rethrow(); |
1641 |
} |
1642 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1643 |
return __is; |
1644 |
} |
1645 |
|
1646 |
template<class _CharT, class _Traits, class _Allocator> |
1647 |
inline _LIBCPP_INLINE_VISIBILITY |
1648 |
basic_istream<_CharT, _Traits>& |
1649 |
getline(basic_istream<_CharT, _Traits>& __is, |
1650 |
basic_string<_CharT, _Traits, _Allocator>& __str) |
1651 |
{ |
1652 |
return getline(__is, __str, __is.widen('\n')); |
1653 |
} |
1654 |
|
1655 |
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
1656 |
|
1657 |
template<class _CharT, class _Traits, class _Allocator> |
1658 |
inline _LIBCPP_INLINE_VISIBILITY |
1659 |
basic_istream<_CharT, _Traits>& |
1660 |
getline(basic_istream<_CharT, _Traits>&& __is, |
1661 |
basic_string<_CharT, _Traits, _Allocator>& __str, _CharT __dlm) |
1662 |
{ |
1663 |
return getline(__is, __str, __dlm); |
1664 |
} |
1665 |
|
1666 |
template<class _CharT, class _Traits, class _Allocator> |
1667 |
inline _LIBCPP_INLINE_VISIBILITY |
1668 |
basic_istream<_CharT, _Traits>& |
1669 |
getline(basic_istream<_CharT, _Traits>&& __is, |
1670 |
basic_string<_CharT, _Traits, _Allocator>& __str) |
1671 |
{ |
1672 |
return getline(__is, __str, __is.widen('\n')); |
1673 |
} |
1674 |
|
1675 |
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
1676 |
|
1677 |
template <class _CharT, class _Traits, size_t _Size> |
1678 |
basic_istream<_CharT, _Traits>& |
1679 |
operator>>(basic_istream<_CharT, _Traits>& __is, bitset<_Size>& __x) |
1680 |
{ |
1681 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1682 |
try |
1683 |
{ |
1684 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1685 |
typename basic_istream<_CharT, _Traits>::sentry __sen(__is); |
1686 |
if (__sen) |
1687 |
{ |
1688 |
basic_string<_CharT, _Traits> __str; |
1689 |
const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__is.getloc()); |
1690 |
streamsize __c = 0; |
1691 |
ios_base::iostate __err = ios_base::goodbit; |
1692 |
_CharT __zero = __ct.widen('0'); |
1693 |
_CharT __one = __ct.widen('1'); |
1694 |
while (__c < _Size) |
1695 |
{ |
1696 |
typename _Traits::int_type __i = __is.rdbuf()->sgetc(); |
1697 |
if (_Traits::eq_int_type(__i, _Traits::eof())) |
1698 |
{ |
1699 |
__err |= ios_base::eofbit; |
1700 |
break; |
1701 |
} |
1702 |
_CharT __ch = _Traits::to_char_type(__i); |
1703 |
if (!_Traits::eq(__ch, __zero) && !_Traits::eq(__ch, __one)) |
1704 |
break; |
1705 |
__str.push_back(__ch); |
1706 |
++__c; |
1707 |
__is.rdbuf()->sbumpc(); |
1708 |
} |
1709 |
__x = bitset<_Size>(__str); |
1710 |
if (__c == 0) |
1711 |
__err |= ios_base::failbit; |
1712 |
__is.setstate(__err); |
1713 |
} |
1714 |
else |
1715 |
__is.setstate(ios_base::failbit); |
1716 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
1717 |
} |
1718 |
catch (...) |
1719 |
{ |
1720 |
__is.__set_badbit_and_consider_rethrow(); |
1721 |
} |
1722 |
#endif // _LIBCPP_NO_EXCEPTIONS |
1723 |
return __is; |
1724 |
} |
1725 |
|
1726 |
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_istream<char>) |
1727 |
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_istream<wchar_t>) |
1728 |
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_iostream<char>) |
1729 |
|
1730 |
_LIBCPP_END_NAMESPACE_STD |
1731 |
|
1732 |
#endif // _LIBCPP_ISTREAM |