973 lines
32 KiB
Text
973 lines
32 KiB
Text
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// -*- C++ -*-
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//===--------------------------- sstream ----------------------------------===//
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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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#ifndef _LIBCPP_SSTREAM
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#define _LIBCPP_SSTREAM
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/*
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sstream synopsis
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template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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class basic_stringbuf
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: public basic_streambuf<charT, traits>
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{
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public:
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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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typedef Allocator allocator_type;
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// 27.8.1.1 Constructors:
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explicit basic_stringbuf(ios_base::openmode which = ios_base::in | ios_base::out);
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explicit basic_stringbuf(const basic_string<char_type, traits_type, allocator_type>& str,
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ios_base::openmode which = ios_base::in | ios_base::out);
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basic_stringbuf(basic_stringbuf&& rhs);
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// 27.8.1.2 Assign and swap:
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basic_stringbuf& operator=(basic_stringbuf&& rhs);
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void swap(basic_stringbuf& rhs);
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// 27.8.1.3 Get and set:
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basic_string<char_type, traits_type, allocator_type> str() const;
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void str(const basic_string<char_type, traits_type, allocator_type>& s);
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protected:
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// 27.8.1.4 Overridden virtual functions:
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virtual int_type underflow();
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virtual int_type pbackfail(int_type c = traits_type::eof());
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virtual int_type overflow (int_type c = traits_type::eof());
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virtual basic_streambuf<char_type, traits_type>* setbuf(char_type*, streamsize);
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virtual pos_type seekoff(off_type off, ios_base::seekdir way,
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ios_base::openmode which = ios_base::in | ios_base::out);
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virtual pos_type seekpos(pos_type sp,
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ios_base::openmode which = ios_base::in | ios_base::out);
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};
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template <class charT, class traits, class Allocator>
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void swap(basic_stringbuf<charT, traits, Allocator>& x,
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basic_stringbuf<charT, traits, Allocator>& y);
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typedef basic_stringbuf<char> stringbuf;
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typedef basic_stringbuf<wchar_t> wstringbuf;
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template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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class basic_istringstream
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: public basic_istream<charT, traits>
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{
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public:
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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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typedef Allocator allocator_type;
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// 27.8.2.1 Constructors:
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explicit basic_istringstream(ios_base::openmode which = ios_base::in);
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explicit basic_istringstream(const basic_string<char_type, traits_type,allocator_type>& str,
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ios_base::openmode which = ios_base::in);
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basic_istringstream(basic_istringstream&& rhs);
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// 27.8.2.2 Assign and swap:
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basic_istringstream& operator=(basic_istringstream&& rhs);
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void swap(basic_istringstream& rhs);
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// 27.8.2.3 Members:
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basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
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basic_string<char_type, traits_type, allocator_type> str() const;
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void str(const basic_string<char_type, traits_type, allocator_type>& s);
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};
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template <class charT, class traits, class Allocator>
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void swap(basic_istringstream<charT, traits, Allocator>& x,
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basic_istringstream<charT, traits, Allocator>& y);
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typedef basic_istringstream<char> istringstream;
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typedef basic_istringstream<wchar_t> wistringstream;
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template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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class basic_ostringstream
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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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typedef Allocator allocator_type;
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// 27.8.3.1 Constructors/destructor:
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explicit basic_ostringstream(ios_base::openmode which = ios_base::out);
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explicit basic_ostringstream(const basic_string<char_type, traits_type, allocator_type>& str,
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ios_base::openmode which = ios_base::out);
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basic_ostringstream(basic_ostringstream&& rhs);
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// 27.8.3.2 Assign/swap:
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basic_ostringstream& operator=(basic_ostringstream&& rhs);
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void swap(basic_ostringstream& rhs);
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// 27.8.3.3 Members:
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basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
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basic_string<char_type, traits_type, allocator_type> str() const;
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void str(const basic_string<char_type, traits_type, allocator_type>& s);
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};
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template <class charT, class traits, class Allocator>
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void swap(basic_ostringstream<charT, traits, Allocator>& x,
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basic_ostringstream<charT, traits, Allocator>& y);
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typedef basic_ostringstream<char> ostringstream;
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typedef basic_ostringstream<wchar_t> wostringstream;
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template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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class basic_stringstream
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: public basic_iostream<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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typedef Allocator allocator_type;
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// constructors/destructor
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explicit basic_stringstream(ios_base::openmode which = ios_base::out|ios_base::in);
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explicit basic_stringstream(const basic_string<char_type, traits_type, allocator_type>& str,
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ios_base::openmode which = ios_base::out|ios_base::in);
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basic_stringstream(basic_stringstream&& rhs);
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// 27.8.5.1 Assign/swap:
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basic_stringstream& operator=(basic_stringstream&& rhs);
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void swap(basic_stringstream& rhs);
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// Members:
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basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
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basic_string<char_type, traits_type, allocator_type> str() const;
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void str(const basic_string<char_type, traits_type, allocator_type>& str);
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};
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template <class charT, class traits, class Allocator>
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void swap(basic_stringstream<charT, traits, Allocator>& x,
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basic_stringstream<charT, traits, Allocator>& y);
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typedef basic_stringstream<char> stringstream;
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typedef basic_stringstream<wchar_t> wstringstream;
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} // std
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*/
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#include <__config>
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#include <ostream>
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#include <istream>
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#include <string>
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#include <__undef_min_max>
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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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_LIBCPP_BEGIN_NAMESPACE_STD
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// basic_stringbuf
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template <class _CharT, class _Traits, class _Allocator>
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class _LIBCPP_TYPE_VIS_ONLY basic_stringbuf
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: public basic_streambuf<_CharT, _Traits>
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{
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public:
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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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typedef _Allocator allocator_type;
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typedef basic_string<char_type, traits_type, allocator_type> string_type;
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private:
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string_type __str_;
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mutable char_type* __hm_;
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ios_base::openmode __mode_;
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public:
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// 27.8.1.1 Constructors:
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explicit basic_stringbuf(ios_base::openmode __wch = ios_base::in | ios_base::out);
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explicit basic_stringbuf(const string_type& __s,
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ios_base::openmode __wch = ios_base::in | ios_base::out);
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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basic_stringbuf(basic_stringbuf&& __rhs);
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#endif
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// 27.8.1.2 Assign and swap:
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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basic_stringbuf& operator=(basic_stringbuf&& __rhs);
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#endif
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void swap(basic_stringbuf& __rhs);
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// 27.8.1.3 Get and set:
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string_type str() const;
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void str(const string_type& __s);
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protected:
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// 27.8.1.4 Overridden virtual functions:
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virtual int_type underflow();
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virtual int_type pbackfail(int_type __c = traits_type::eof());
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virtual int_type overflow (int_type __c = traits_type::eof());
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virtual pos_type seekoff(off_type __off, ios_base::seekdir __way,
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ios_base::openmode __wch = ios_base::in | ios_base::out);
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virtual pos_type seekpos(pos_type __sp,
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ios_base::openmode __wch = ios_base::in | ios_base::out);
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};
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template <class _CharT, class _Traits, class _Allocator>
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inline _LIBCPP_INLINE_VISIBILITY
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basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(ios_base::openmode __wch)
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: __hm_(0),
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__mode_(__wch)
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{
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str(string_type());
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}
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template <class _CharT, class _Traits, class _Allocator>
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inline _LIBCPP_INLINE_VISIBILITY
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basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(const string_type& __s,
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ios_base::openmode __wch)
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: __hm_(0),
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__mode_(__wch)
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{
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str(__s);
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}
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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template <class _CharT, class _Traits, class _Allocator>
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basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(basic_stringbuf&& __rhs)
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: __mode_(__rhs.__mode_)
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{
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char_type* __p = const_cast<char_type*>(__rhs.__str_.data());
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ptrdiff_t __binp = -1;
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ptrdiff_t __ninp = -1;
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ptrdiff_t __einp = -1;
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if (__rhs.eback() != nullptr)
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{
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__binp = __rhs.eback() - __p;
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__ninp = __rhs.gptr() - __p;
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__einp = __rhs.egptr() - __p;
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}
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ptrdiff_t __bout = -1;
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ptrdiff_t __nout = -1;
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ptrdiff_t __eout = -1;
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if (__rhs.pbase() != nullptr)
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{
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__bout = __rhs.pbase() - __p;
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__nout = __rhs.pptr() - __p;
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__eout = __rhs.epptr() - __p;
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}
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ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p;
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__str_ = _VSTD::move(__rhs.__str_);
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__p = const_cast<char_type*>(__str_.data());
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if (__binp != -1)
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this->setg(__p + __binp, __p + __ninp, __p + __einp);
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if (__bout != -1)
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{
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this->setp(__p + __bout, __p + __eout);
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this->pbump(__nout);
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}
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__hm_ = __hm == -1 ? nullptr : __p + __hm;
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__p = const_cast<char_type*>(__rhs.__str_.data());
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__rhs.setg(__p, __p, __p);
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__rhs.setp(__p, __p);
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__rhs.__hm_ = __p;
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this->pubimbue(__rhs.getloc());
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}
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template <class _CharT, class _Traits, class _Allocator>
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basic_stringbuf<_CharT, _Traits, _Allocator>&
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basic_stringbuf<_CharT, _Traits, _Allocator>::operator=(basic_stringbuf&& __rhs)
|
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{
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char_type* __p = const_cast<char_type*>(__rhs.__str_.data());
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ptrdiff_t __binp = -1;
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ptrdiff_t __ninp = -1;
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ptrdiff_t __einp = -1;
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if (__rhs.eback() != nullptr)
|
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{
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__binp = __rhs.eback() - __p;
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__ninp = __rhs.gptr() - __p;
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__einp = __rhs.egptr() - __p;
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}
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ptrdiff_t __bout = -1;
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ptrdiff_t __nout = -1;
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ptrdiff_t __eout = -1;
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if (__rhs.pbase() != nullptr)
|
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{
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__bout = __rhs.pbase() - __p;
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__nout = __rhs.pptr() - __p;
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__eout = __rhs.epptr() - __p;
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}
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ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p;
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__str_ = _VSTD::move(__rhs.__str_);
|
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__p = const_cast<char_type*>(__str_.data());
|
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if (__binp != -1)
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||
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this->setg(__p + __binp, __p + __ninp, __p + __einp);
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if (__bout != -1)
|
||
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{
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this->setp(__p + __bout, __p + __eout);
|
||
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this->pbump(__nout);
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||
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}
|
||
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__hm_ = __hm == -1 ? nullptr : __p + __hm;
|
||
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__mode_ = __rhs.__mode_;
|
||
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__p = const_cast<char_type*>(__rhs.__str_.data());
|
||
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__rhs.setg(__p, __p, __p);
|
||
|
|
__rhs.setp(__p, __p);
|
||
|
|
__rhs.__hm_ = __p;
|
||
|
|
this->pubimbue(__rhs.getloc());
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
void
|
||
|
|
basic_stringbuf<_CharT, _Traits, _Allocator>::swap(basic_stringbuf& __rhs)
|
||
|
|
{
|
||
|
|
char_type* __p = const_cast<char_type*>(__rhs.__str_.data());
|
||
|
|
ptrdiff_t __rbinp = -1;
|
||
|
|
ptrdiff_t __rninp = -1;
|
||
|
|
ptrdiff_t __reinp = -1;
|
||
|
|
if (__rhs.eback() != nullptr)
|
||
|
|
{
|
||
|
|
__rbinp = __rhs.eback() - __p;
|
||
|
|
__rninp = __rhs.gptr() - __p;
|
||
|
|
__reinp = __rhs.egptr() - __p;
|
||
|
|
}
|
||
|
|
ptrdiff_t __rbout = -1;
|
||
|
|
ptrdiff_t __rnout = -1;
|
||
|
|
ptrdiff_t __reout = -1;
|
||
|
|
if (__rhs.pbase() != nullptr)
|
||
|
|
{
|
||
|
|
__rbout = __rhs.pbase() - __p;
|
||
|
|
__rnout = __rhs.pptr() - __p;
|
||
|
|
__reout = __rhs.epptr() - __p;
|
||
|
|
}
|
||
|
|
ptrdiff_t __rhm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p;
|
||
|
|
__p = const_cast<char_type*>(__str_.data());
|
||
|
|
ptrdiff_t __lbinp = -1;
|
||
|
|
ptrdiff_t __lninp = -1;
|
||
|
|
ptrdiff_t __leinp = -1;
|
||
|
|
if (this->eback() != nullptr)
|
||
|
|
{
|
||
|
|
__lbinp = this->eback() - __p;
|
||
|
|
__lninp = this->gptr() - __p;
|
||
|
|
__leinp = this->egptr() - __p;
|
||
|
|
}
|
||
|
|
ptrdiff_t __lbout = -1;
|
||
|
|
ptrdiff_t __lnout = -1;
|
||
|
|
ptrdiff_t __leout = -1;
|
||
|
|
if (this->pbase() != nullptr)
|
||
|
|
{
|
||
|
|
__lbout = this->pbase() - __p;
|
||
|
|
__lnout = this->pptr() - __p;
|
||
|
|
__leout = this->epptr() - __p;
|
||
|
|
}
|
||
|
|
ptrdiff_t __lhm = __hm_ == nullptr ? -1 : __hm_ - __p;
|
||
|
|
_VSTD::swap(__mode_, __rhs.__mode_);
|
||
|
|
__str_.swap(__rhs.__str_);
|
||
|
|
__p = const_cast<char_type*>(__str_.data());
|
||
|
|
if (__rbinp != -1)
|
||
|
|
this->setg(__p + __rbinp, __p + __rninp, __p + __reinp);
|
||
|
|
else
|
||
|
|
this->setg(nullptr, nullptr, nullptr);
|
||
|
|
if (__rbout != -1)
|
||
|
|
{
|
||
|
|
this->setp(__p + __rbout, __p + __reout);
|
||
|
|
this->pbump(__rnout);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
this->setp(nullptr, nullptr);
|
||
|
|
__hm_ = __rhm == -1 ? nullptr : __p + __rhm;
|
||
|
|
__p = const_cast<char_type*>(__rhs.__str_.data());
|
||
|
|
if (__lbinp != -1)
|
||
|
|
__rhs.setg(__p + __lbinp, __p + __lninp, __p + __leinp);
|
||
|
|
else
|
||
|
|
__rhs.setg(nullptr, nullptr, nullptr);
|
||
|
|
if (__lbout != -1)
|
||
|
|
{
|
||
|
|
__rhs.setp(__p + __lbout, __p + __leout);
|
||
|
|
__rhs.pbump(__lnout);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
__rhs.setp(nullptr, nullptr);
|
||
|
|
__rhs.__hm_ = __lhm == -1 ? nullptr : __p + __lhm;
|
||
|
|
locale __tl = __rhs.getloc();
|
||
|
|
__rhs.pubimbue(this->getloc());
|
||
|
|
this->pubimbue(__tl);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
void
|
||
|
|
swap(basic_stringbuf<_CharT, _Traits, _Allocator>& __x,
|
||
|
|
basic_stringbuf<_CharT, _Traits, _Allocator>& __y)
|
||
|
|
{
|
||
|
|
__x.swap(__y);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
basic_string<_CharT, _Traits, _Allocator>
|
||
|
|
basic_stringbuf<_CharT, _Traits, _Allocator>::str() const
|
||
|
|
{
|
||
|
|
if (__mode_ & ios_base::out)
|
||
|
|
{
|
||
|
|
if (__hm_ < this->pptr())
|
||
|
|
__hm_ = this->pptr();
|
||
|
|
return string_type(this->pbase(), __hm_, __str_.get_allocator());
|
||
|
|
}
|
||
|
|
else if (__mode_ & ios_base::in)
|
||
|
|
return string_type(this->eback(), this->egptr(), __str_.get_allocator());
|
||
|
|
return string_type(__str_.get_allocator());
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
void
|
||
|
|
basic_stringbuf<_CharT, _Traits, _Allocator>::str(const string_type& __s)
|
||
|
|
{
|
||
|
|
__str_ = __s;
|
||
|
|
__hm_ = 0;
|
||
|
|
if (__mode_ & ios_base::in)
|
||
|
|
{
|
||
|
|
__hm_ = const_cast<char_type*>(__str_.data()) + __str_.size();
|
||
|
|
this->setg(const_cast<char_type*>(__str_.data()),
|
||
|
|
const_cast<char_type*>(__str_.data()),
|
||
|
|
__hm_);
|
||
|
|
}
|
||
|
|
if (__mode_ & ios_base::out)
|
||
|
|
{
|
||
|
|
typename string_type::size_type __sz = __str_.size();
|
||
|
|
__hm_ = const_cast<char_type*>(__str_.data()) + __sz;
|
||
|
|
__str_.resize(__str_.capacity());
|
||
|
|
this->setp(const_cast<char_type*>(__str_.data()),
|
||
|
|
const_cast<char_type*>(__str_.data()) + __str_.size());
|
||
|
|
if (__mode_ & (ios_base::app | ios_base::ate))
|
||
|
|
this->pbump(__sz);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type
|
||
|
|
basic_stringbuf<_CharT, _Traits, _Allocator>::underflow()
|
||
|
|
{
|
||
|
|
if (__hm_ < this->pptr())
|
||
|
|
__hm_ = this->pptr();
|
||
|
|
if (__mode_ & ios_base::in)
|
||
|
|
{
|
||
|
|
if (this->egptr() < __hm_)
|
||
|
|
this->setg(this->eback(), this->gptr(), __hm_);
|
||
|
|
if (this->gptr() < this->egptr())
|
||
|
|
return traits_type::to_int_type(*this->gptr());
|
||
|
|
}
|
||
|
|
return traits_type::eof();
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type
|
||
|
|
basic_stringbuf<_CharT, _Traits, _Allocator>::pbackfail(int_type __c)
|
||
|
|
{
|
||
|
|
if (__hm_ < this->pptr())
|
||
|
|
__hm_ = this->pptr();
|
||
|
|
if (this->eback() < this->gptr())
|
||
|
|
{
|
||
|
|
if (traits_type::eq_int_type(__c, traits_type::eof()))
|
||
|
|
{
|
||
|
|
this->setg(this->eback(), this->gptr()-1, __hm_);
|
||
|
|
return traits_type::not_eof(__c);
|
||
|
|
}
|
||
|
|
if ((__mode_ & ios_base::out) ||
|
||
|
|
traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1]))
|
||
|
|
{
|
||
|
|
this->setg(this->eback(), this->gptr()-1, __hm_);
|
||
|
|
*this->gptr() = traits_type::to_char_type(__c);
|
||
|
|
return __c;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return traits_type::eof();
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type
|
||
|
|
basic_stringbuf<_CharT, _Traits, _Allocator>::overflow(int_type __c)
|
||
|
|
{
|
||
|
|
if (!traits_type::eq_int_type(__c, traits_type::eof()))
|
||
|
|
{
|
||
|
|
ptrdiff_t __ninp = this->gptr() - this->eback();
|
||
|
|
if (this->pptr() == this->epptr())
|
||
|
|
{
|
||
|
|
if (!(__mode_ & ios_base::out))
|
||
|
|
return traits_type::eof();
|
||
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
||
|
|
try
|
||
|
|
{
|
||
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
||
|
|
ptrdiff_t __nout = this->pptr() - this->pbase();
|
||
|
|
ptrdiff_t __hm = __hm_ - this->pbase();
|
||
|
|
__str_.push_back(char_type());
|
||
|
|
__str_.resize(__str_.capacity());
|
||
|
|
char_type* __p = const_cast<char_type*>(__str_.data());
|
||
|
|
this->setp(__p, __p + __str_.size());
|
||
|
|
this->pbump(__nout);
|
||
|
|
__hm_ = this->pbase() + __hm;
|
||
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
||
|
|
}
|
||
|
|
catch (...)
|
||
|
|
{
|
||
|
|
return traits_type::eof();
|
||
|
|
}
|
||
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
||
|
|
}
|
||
|
|
__hm_ = _VSTD::max(this->pptr() + 1, __hm_);
|
||
|
|
if (__mode_ & ios_base::in)
|
||
|
|
{
|
||
|
|
char_type* __p = const_cast<char_type*>(__str_.data());
|
||
|
|
this->setg(__p, __p + __ninp, __hm_);
|
||
|
|
}
|
||
|
|
return this->sputc(__c);
|
||
|
|
}
|
||
|
|
return traits_type::not_eof(__c);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type
|
||
|
|
basic_stringbuf<_CharT, _Traits, _Allocator>::seekoff(off_type __off,
|
||
|
|
ios_base::seekdir __way,
|
||
|
|
ios_base::openmode __wch)
|
||
|
|
{
|
||
|
|
if (__hm_ < this->pptr())
|
||
|
|
__hm_ = this->pptr();
|
||
|
|
if ((__wch & (ios_base::in | ios_base::out)) == 0)
|
||
|
|
return pos_type(-1);
|
||
|
|
if ((__wch & (ios_base::in | ios_base::out)) == (ios_base::in | ios_base::out)
|
||
|
|
&& __way == ios_base::cur)
|
||
|
|
return pos_type(-1);
|
||
|
|
off_type __noff;
|
||
|
|
switch (__way)
|
||
|
|
{
|
||
|
|
case ios_base::beg:
|
||
|
|
__noff = 0;
|
||
|
|
break;
|
||
|
|
case ios_base::cur:
|
||
|
|
if (__wch & ios_base::in)
|
||
|
|
__noff = this->gptr() - this->eback();
|
||
|
|
else
|
||
|
|
__noff = this->pptr() - this->pbase();
|
||
|
|
break;
|
||
|
|
case ios_base::end:
|
||
|
|
__noff = __hm_ - __str_.data();
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return pos_type(-1);
|
||
|
|
}
|
||
|
|
__noff += __off;
|
||
|
|
if (__noff < 0 || __hm_ - __str_.data() < __noff)
|
||
|
|
return pos_type(-1);
|
||
|
|
if (__noff != 0)
|
||
|
|
{
|
||
|
|
if ((__wch & ios_base::in) && this->gptr() == 0)
|
||
|
|
return pos_type(-1);
|
||
|
|
if ((__wch & ios_base::out) && this->pptr() == 0)
|
||
|
|
return pos_type(-1);
|
||
|
|
}
|
||
|
|
if (__wch & ios_base::in)
|
||
|
|
this->setg(this->eback(), this->eback() + __noff, __hm_);
|
||
|
|
if (__wch & ios_base::out)
|
||
|
|
{
|
||
|
|
this->setp(this->pbase(), this->epptr());
|
||
|
|
this->pbump(__noff);
|
||
|
|
}
|
||
|
|
return pos_type(__noff);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type
|
||
|
|
basic_stringbuf<_CharT, _Traits, _Allocator>::seekpos(pos_type __sp,
|
||
|
|
ios_base::openmode __wch)
|
||
|
|
{
|
||
|
|
return seekoff(__sp, ios_base::beg, __wch);
|
||
|
|
}
|
||
|
|
|
||
|
|
// basic_istringstream
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
class _LIBCPP_TYPE_VIS_ONLY basic_istringstream
|
||
|
|
: public basic_istream<_CharT, _Traits>
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
typedef _CharT char_type;
|
||
|
|
typedef _Traits traits_type;
|
||
|
|
typedef typename traits_type::int_type int_type;
|
||
|
|
typedef typename traits_type::pos_type pos_type;
|
||
|
|
typedef typename traits_type::off_type off_type;
|
||
|
|
typedef _Allocator allocator_type;
|
||
|
|
|
||
|
|
typedef basic_string<char_type, traits_type, allocator_type> string_type;
|
||
|
|
|
||
|
|
private:
|
||
|
|
basic_stringbuf<char_type, traits_type, allocator_type> __sb_;
|
||
|
|
|
||
|
|
public:
|
||
|
|
// 27.8.2.1 Constructors:
|
||
|
|
explicit basic_istringstream(ios_base::openmode __wch = ios_base::in);
|
||
|
|
explicit basic_istringstream(const string_type& __s,
|
||
|
|
ios_base::openmode __wch = ios_base::in);
|
||
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
||
|
|
basic_istringstream(basic_istringstream&& __rhs);
|
||
|
|
|
||
|
|
// 27.8.2.2 Assign and swap:
|
||
|
|
basic_istringstream& operator=(basic_istringstream&& __rhs);
|
||
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
||
|
|
void swap(basic_istringstream& __rhs);
|
||
|
|
|
||
|
|
// 27.8.2.3 Members:
|
||
|
|
basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
|
||
|
|
string_type str() const;
|
||
|
|
void str(const string_type& __s);
|
||
|
|
};
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(ios_base::openmode __wch)
|
||
|
|
: basic_istream<_CharT, _Traits>(&__sb_),
|
||
|
|
__sb_(__wch | ios_base::in)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(const string_type& __s,
|
||
|
|
ios_base::openmode __wch)
|
||
|
|
: basic_istream<_CharT, _Traits>(&__sb_),
|
||
|
|
__sb_(__s, __wch | ios_base::in)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(basic_istringstream&& __rhs)
|
||
|
|
: basic_istream<_CharT, _Traits>(_VSTD::move(__rhs)),
|
||
|
|
__sb_(_VSTD::move(__rhs.__sb_))
|
||
|
|
{
|
||
|
|
basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
basic_istringstream<_CharT, _Traits, _Allocator>&
|
||
|
|
basic_istringstream<_CharT, _Traits, _Allocator>::operator=(basic_istringstream&& __rhs)
|
||
|
|
{
|
||
|
|
basic_istream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
|
||
|
|
__sb_ = _VSTD::move(__rhs.__sb_);
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
void
|
||
|
|
basic_istringstream<_CharT, _Traits, _Allocator>::swap(basic_istringstream& __rhs)
|
||
|
|
{
|
||
|
|
basic_istream<char_type, traits_type>::swap(__rhs);
|
||
|
|
__sb_.swap(__rhs.__sb_);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
void
|
||
|
|
swap(basic_istringstream<_CharT, _Traits, _Allocator>& __x,
|
||
|
|
basic_istringstream<_CharT, _Traits, _Allocator>& __y)
|
||
|
|
{
|
||
|
|
__x.swap(__y);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
basic_stringbuf<_CharT, _Traits, _Allocator>*
|
||
|
|
basic_istringstream<_CharT, _Traits, _Allocator>::rdbuf() const
|
||
|
|
{
|
||
|
|
return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
basic_string<_CharT, _Traits, _Allocator>
|
||
|
|
basic_istringstream<_CharT, _Traits, _Allocator>::str() const
|
||
|
|
{
|
||
|
|
return __sb_.str();
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
void
|
||
|
|
basic_istringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s)
|
||
|
|
{
|
||
|
|
__sb_.str(__s);
|
||
|
|
}
|
||
|
|
|
||
|
|
// basic_ostringstream
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
class _LIBCPP_TYPE_VIS_ONLY basic_ostringstream
|
||
|
|
: public basic_ostream<_CharT, _Traits>
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
typedef _CharT char_type;
|
||
|
|
typedef _Traits traits_type;
|
||
|
|
typedef typename traits_type::int_type int_type;
|
||
|
|
typedef typename traits_type::pos_type pos_type;
|
||
|
|
typedef typename traits_type::off_type off_type;
|
||
|
|
typedef _Allocator allocator_type;
|
||
|
|
|
||
|
|
typedef basic_string<char_type, traits_type, allocator_type> string_type;
|
||
|
|
|
||
|
|
private:
|
||
|
|
basic_stringbuf<char_type, traits_type, allocator_type> __sb_;
|
||
|
|
|
||
|
|
public:
|
||
|
|
// 27.8.2.1 Constructors:
|
||
|
|
explicit basic_ostringstream(ios_base::openmode __wch = ios_base::out);
|
||
|
|
explicit basic_ostringstream(const string_type& __s,
|
||
|
|
ios_base::openmode __wch = ios_base::out);
|
||
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
||
|
|
basic_ostringstream(basic_ostringstream&& __rhs);
|
||
|
|
|
||
|
|
// 27.8.2.2 Assign and swap:
|
||
|
|
basic_ostringstream& operator=(basic_ostringstream&& __rhs);
|
||
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
||
|
|
void swap(basic_ostringstream& __rhs);
|
||
|
|
|
||
|
|
// 27.8.2.3 Members:
|
||
|
|
basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
|
||
|
|
string_type str() const;
|
||
|
|
void str(const string_type& __s);
|
||
|
|
};
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(ios_base::openmode __wch)
|
||
|
|
: basic_ostream<_CharT, _Traits>(&__sb_),
|
||
|
|
__sb_(__wch | ios_base::out)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(const string_type& __s,
|
||
|
|
ios_base::openmode __wch)
|
||
|
|
: basic_ostream<_CharT, _Traits>(&__sb_),
|
||
|
|
__sb_(__s, __wch | ios_base::out)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(basic_ostringstream&& __rhs)
|
||
|
|
: basic_ostream<_CharT, _Traits>(_VSTD::move(__rhs)),
|
||
|
|
__sb_(_VSTD::move(__rhs.__sb_))
|
||
|
|
{
|
||
|
|
basic_ostream<_CharT, _Traits>::set_rdbuf(&__sb_);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
basic_ostringstream<_CharT, _Traits, _Allocator>&
|
||
|
|
basic_ostringstream<_CharT, _Traits, _Allocator>::operator=(basic_ostringstream&& __rhs)
|
||
|
|
{
|
||
|
|
basic_ostream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
|
||
|
|
__sb_ = _VSTD::move(__rhs.__sb_);
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
void
|
||
|
|
basic_ostringstream<_CharT, _Traits, _Allocator>::swap(basic_ostringstream& __rhs)
|
||
|
|
{
|
||
|
|
basic_ostream<char_type, traits_type>::swap(__rhs);
|
||
|
|
__sb_.swap(__rhs.__sb_);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
void
|
||
|
|
swap(basic_ostringstream<_CharT, _Traits, _Allocator>& __x,
|
||
|
|
basic_ostringstream<_CharT, _Traits, _Allocator>& __y)
|
||
|
|
{
|
||
|
|
__x.swap(__y);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
basic_stringbuf<_CharT, _Traits, _Allocator>*
|
||
|
|
basic_ostringstream<_CharT, _Traits, _Allocator>::rdbuf() const
|
||
|
|
{
|
||
|
|
return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
basic_string<_CharT, _Traits, _Allocator>
|
||
|
|
basic_ostringstream<_CharT, _Traits, _Allocator>::str() const
|
||
|
|
{
|
||
|
|
return __sb_.str();
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
void
|
||
|
|
basic_ostringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s)
|
||
|
|
{
|
||
|
|
__sb_.str(__s);
|
||
|
|
}
|
||
|
|
|
||
|
|
// basic_stringstream
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
class _LIBCPP_TYPE_VIS_ONLY basic_stringstream
|
||
|
|
: public basic_iostream<_CharT, _Traits>
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
typedef _CharT char_type;
|
||
|
|
typedef _Traits traits_type;
|
||
|
|
typedef typename traits_type::int_type int_type;
|
||
|
|
typedef typename traits_type::pos_type pos_type;
|
||
|
|
typedef typename traits_type::off_type off_type;
|
||
|
|
typedef _Allocator allocator_type;
|
||
|
|
|
||
|
|
typedef basic_string<char_type, traits_type, allocator_type> string_type;
|
||
|
|
|
||
|
|
private:
|
||
|
|
basic_stringbuf<char_type, traits_type, allocator_type> __sb_;
|
||
|
|
|
||
|
|
public:
|
||
|
|
// 27.8.2.1 Constructors:
|
||
|
|
explicit basic_stringstream(ios_base::openmode __wch = ios_base::in | ios_base::out);
|
||
|
|
explicit basic_stringstream(const string_type& __s,
|
||
|
|
ios_base::openmode __wch = ios_base::in | ios_base::out);
|
||
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
||
|
|
basic_stringstream(basic_stringstream&& __rhs);
|
||
|
|
|
||
|
|
// 27.8.2.2 Assign and swap:
|
||
|
|
basic_stringstream& operator=(basic_stringstream&& __rhs);
|
||
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
||
|
|
void swap(basic_stringstream& __rhs);
|
||
|
|
|
||
|
|
// 27.8.2.3 Members:
|
||
|
|
basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
|
||
|
|
string_type str() const;
|
||
|
|
void str(const string_type& __s);
|
||
|
|
};
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(ios_base::openmode __wch)
|
||
|
|
: basic_iostream<_CharT, _Traits>(&__sb_),
|
||
|
|
__sb_(__wch)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(const string_type& __s,
|
||
|
|
ios_base::openmode __wch)
|
||
|
|
: basic_iostream<_CharT, _Traits>(&__sb_),
|
||
|
|
__sb_(__s, __wch)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(basic_stringstream&& __rhs)
|
||
|
|
: basic_iostream<_CharT, _Traits>(_VSTD::move(__rhs)),
|
||
|
|
__sb_(_VSTD::move(__rhs.__sb_))
|
||
|
|
{
|
||
|
|
basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
basic_stringstream<_CharT, _Traits, _Allocator>&
|
||
|
|
basic_stringstream<_CharT, _Traits, _Allocator>::operator=(basic_stringstream&& __rhs)
|
||
|
|
{
|
||
|
|
basic_iostream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
|
||
|
|
__sb_ = _VSTD::move(__rhs.__sb_);
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
void
|
||
|
|
basic_stringstream<_CharT, _Traits, _Allocator>::swap(basic_stringstream& __rhs)
|
||
|
|
{
|
||
|
|
basic_iostream<char_type, traits_type>::swap(__rhs);
|
||
|
|
__sb_.swap(__rhs.__sb_);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
void
|
||
|
|
swap(basic_stringstream<_CharT, _Traits, _Allocator>& __x,
|
||
|
|
basic_stringstream<_CharT, _Traits, _Allocator>& __y)
|
||
|
|
{
|
||
|
|
__x.swap(__y);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
basic_stringbuf<_CharT, _Traits, _Allocator>*
|
||
|
|
basic_stringstream<_CharT, _Traits, _Allocator>::rdbuf() const
|
||
|
|
{
|
||
|
|
return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
basic_string<_CharT, _Traits, _Allocator>
|
||
|
|
basic_stringstream<_CharT, _Traits, _Allocator>::str() const
|
||
|
|
{
|
||
|
|
return __sb_.str();
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class _CharT, class _Traits, class _Allocator>
|
||
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
||
|
|
void
|
||
|
|
basic_stringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s)
|
||
|
|
{
|
||
|
|
__sb_.str(__s);
|
||
|
|
}
|
||
|
|
|
||
|
|
_LIBCPP_END_NAMESPACE_STD
|
||
|
|
|
||
|
|
#endif // _LIBCPP_SSTREAM
|