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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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|
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#ifndef _LIBCPP_SSTREAM |
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#define _LIBCPP_SSTREAM |
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|
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/* |
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sstream synopsis |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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typedef basic_stringbuf<char> stringbuf; |
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typedef basic_stringbuf<wchar_t> wstringbuf; |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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typedef basic_istringstream<char> istringstream; |
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typedef basic_istringstream<wchar_t> wistringstream; |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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typedef basic_ostringstream<char> ostringstream; |
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typedef basic_ostringstream<wchar_t> wostringstream; |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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typedef basic_stringstream<char> stringstream; |
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typedef basic_stringstream<wchar_t> wstringstream; |
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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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#include <istream> |
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#include <string> |
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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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// basic_stringbuf |
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|
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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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|
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typedef basic_string<char_type, traits_type, allocator_type> string_type; |
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|
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private: |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
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|
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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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|
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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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this->setg(__p + __binp, __p + __ninp, __p + __einp); |
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else |
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this->setg(nullptr, nullptr, nullptr); |
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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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else |
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this->setp(nullptr, nullptr); |
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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); |
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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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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, class _Allocator> |
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void |
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basic_stringbuf<_CharT, _Traits, _Allocator>::swap(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 __rbinp = -1; |
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ptrdiff_t __rninp = -1; |
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ptrdiff_t __reinp = -1; |
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if (__rhs.eback() != nullptr) |
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{
|
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__rbinp = __rhs.eback() - __p; |
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__rninp = __rhs.gptr() - __p; |
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__reinp = __rhs.egptr() - __p; |
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} |
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ptrdiff_t __rbout = -1; |
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ptrdiff_t __rnout = -1; |
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ptrdiff_t __reout = -1; |
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if (__rhs.pbase() != nullptr) |
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{
|
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__rbout = __rhs.pbase() - __p; |
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__rnout = __rhs.pptr() - __p; |
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__reout = __rhs.epptr() - __p; |
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} |
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ptrdiff_t __rhm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p; |
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__p = const_cast<char_type*>(__str_.data()); |
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ptrdiff_t __lbinp = -1; |
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ptrdiff_t __lninp = -1; |
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ptrdiff_t __leinp = -1; |
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if (this->eback() != nullptr) |
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{
|
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__lbinp = this->eback() - __p; |
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__lninp = this->gptr() - __p; |
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__leinp = this->egptr() - __p; |
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} |
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ptrdiff_t __lbout = -1; |
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ptrdiff_t __lnout = -1; |
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ptrdiff_t __leout = -1; |
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if (this->pbase() != nullptr) |
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{
|
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__lbout = this->pbase() - __p; |
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__lnout = this->pptr() - __p; |
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__leout = this->epptr() - __p; |
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} |
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ptrdiff_t __lhm = __hm_ == nullptr ? -1 : __hm_ - __p; |
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_VSTD::swap(__mode_, __rhs.__mode_); |
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__str_.swap(__rhs.__str_); |
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__p = const_cast<char_type*>(__str_.data()); |
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if (__rbinp != -1) |
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this->setg(__p + __rbinp, __p + __rninp, __p + __reinp); |
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else |
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this->setg(nullptr, nullptr, nullptr); |
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if (__rbout != -1) |
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{
|
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this->setp(__p + __rbout, __p + __reout); |
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this->pbump(__rnout); |
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} |
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else |
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this->setp(nullptr, nullptr); |
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__hm_ = __rhm == -1 ? nullptr : __p + __rhm; |
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__p = const_cast<char_type*>(__rhs.__str_.data()); |
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if (__lbinp != -1) |
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__rhs.setg(__p + __lbinp, __p + __lninp, __p + __leinp); |
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else |
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__rhs.setg(nullptr, nullptr, nullptr); |
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if (__lbout != -1) |
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{
|
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__rhs.setp(__p + __lbout, __p + __leout); |
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__rhs.pbump(__lnout); |
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} |
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else |
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__rhs.setp(nullptr, nullptr); |
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__rhs.__hm_ = __lhm == -1 ? nullptr : __p + __lhm; |
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locale __tl = __rhs.getloc(); |
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__rhs.pubimbue(this->getloc()); |
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this->pubimbue(__tl); |
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} |
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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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void |
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swap(basic_stringbuf<_CharT, _Traits, _Allocator>& __x, |
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basic_stringbuf<_CharT, _Traits, _Allocator>& __y) |
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{
|
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__x.swap(__y); |
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} |
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|
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template <class _CharT, class _Traits, class _Allocator> |
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basic_string<_CharT, _Traits, _Allocator> |
| 438 |
basic_stringbuf<_CharT, _Traits, _Allocator>::str() const |
| 439 |
{
|
| 440 |
if (__mode_ & ios_base::out) |
| 441 |
{
|
| 442 |
if (__hm_ < this->pptr()) |
| 443 |
__hm_ = this->pptr(); |
| 444 |
return string_type(this->pbase(), __hm_, __str_.get_allocator()); |
| 445 |
} |
| 446 |
else if (__mode_ & ios_base::in) |
| 447 |
return string_type(this->eback(), this->egptr(), __str_.get_allocator()); |
| 448 |
return string_type(__str_.get_allocator()); |
| 449 |
} |
| 450 |
|
| 451 |
template <class _CharT, class _Traits, class _Allocator> |
| 452 |
void |
| 453 |
basic_stringbuf<_CharT, _Traits, _Allocator>::str(const string_type& __s) |
| 454 |
{
|
| 455 |
__str_ = __s; |
| 456 |
__hm_ = 0; |
| 457 |
if (__mode_ & ios_base::in) |
| 458 |
{
|
| 459 |
__hm_ = const_cast<char_type*>(__str_.data()) + __str_.size(); |
| 460 |
this->setg(const_cast<char_type*>(__str_.data()), |
| 461 |
const_cast<char_type*>(__str_.data()), |
| 462 |
__hm_); |
| 463 |
} |
| 464 |
if (__mode_ & ios_base::out) |
| 465 |
{
|
| 466 |
typename string_type::size_type __sz = __str_.size(); |
| 467 |
__hm_ = const_cast<char_type*>(__str_.data()) + __sz; |
| 468 |
__str_.resize(__str_.capacity()); |
| 469 |
this->setp(const_cast<char_type*>(__str_.data()), |
| 470 |
const_cast<char_type*>(__str_.data()) + __str_.size()); |
| 471 |
if (__mode_ & (ios_base::app | ios_base::ate)) |
| 472 |
this->pbump(__sz); |
| 473 |
} |
| 474 |
} |
| 475 |
|
| 476 |
template <class _CharT, class _Traits, class _Allocator> |
| 477 |
typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type |
| 478 |
basic_stringbuf<_CharT, _Traits, _Allocator>::underflow() |
| 479 |
{
|
| 480 |
if (__hm_ < this->pptr()) |
| 481 |
__hm_ = this->pptr(); |
| 482 |
if (__mode_ & ios_base::in) |
| 483 |
{
|
| 484 |
if (this->egptr() < __hm_) |
| 485 |
this->setg(this->eback(), this->gptr(), __hm_); |
| 486 |
if (this->gptr() < this->egptr()) |
| 487 |
return traits_type::to_int_type(*this->gptr()); |
| 488 |
} |
| 489 |
return traits_type::eof(); |
| 490 |
} |
| 491 |
|
| 492 |
template <class _CharT, class _Traits, class _Allocator> |
| 493 |
typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type |
| 494 |
basic_stringbuf<_CharT, _Traits, _Allocator>::pbackfail(int_type __c) |
| 495 |
{
|
| 496 |
if (__hm_ < this->pptr()) |
| 497 |
__hm_ = this->pptr(); |
| 498 |
if (this->eback() < this->gptr()) |
| 499 |
{
|
| 500 |
if (traits_type::eq_int_type(__c, traits_type::eof())) |
| 501 |
{
|
| 502 |
this->setg(this->eback(), this->gptr()-1, __hm_); |
| 503 |
return traits_type::not_eof(__c); |
| 504 |
} |
| 505 |
if ((__mode_ & ios_base::out) || |
| 506 |
traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1])) |
| 507 |
{
|
| 508 |
this->setg(this->eback(), this->gptr()-1, __hm_); |
| 509 |
*this->gptr() = traits_type::to_char_type(__c); |
| 510 |
return __c; |
| 511 |
} |
| 512 |
} |
| 513 |
return traits_type::eof(); |
| 514 |
} |
| 515 |
|
| 516 |
template <class _CharT, class _Traits, class _Allocator> |
| 517 |
typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type |
| 518 |
basic_stringbuf<_CharT, _Traits, _Allocator>::overflow(int_type __c) |
| 519 |
{
|
| 520 |
if (!traits_type::eq_int_type(__c, traits_type::eof())) |
| 521 |
{
|
| 522 |
ptrdiff_t __ninp = this->gptr() - this->eback(); |
| 523 |
if (this->pptr() == this->epptr()) |
| 524 |
{
|
| 525 |
if (!(__mode_ & ios_base::out)) |
| 526 |
return traits_type::eof(); |
| 527 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
| 528 |
try |
| 529 |
{
|
| 530 |
#endif // _LIBCPP_NO_EXCEPTIONS |
| 531 |
ptrdiff_t __nout = this->pptr() - this->pbase(); |
| 532 |
ptrdiff_t __hm = __hm_ - this->pbase(); |
| 533 |
__str_.push_back(char_type()); |
| 534 |
__str_.resize(__str_.capacity()); |
| 535 |
char_type* __p = const_cast<char_type*>(__str_.data()); |
| 536 |
this->setp(__p, __p + __str_.size()); |
| 537 |
this->pbump(__nout); |
| 538 |
__hm_ = this->pbase() + __hm; |
| 539 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
| 540 |
} |
| 541 |
catch (...) |
| 542 |
{
|
| 543 |
return traits_type::eof(); |
| 544 |
} |
| 545 |
#endif // _LIBCPP_NO_EXCEPTIONS |
| 546 |
} |
| 547 |
__hm_ = _VSTD::max(this->pptr() + 1, __hm_); |
| 548 |
if (__mode_ & ios_base::in) |
| 549 |
{
|
| 550 |
char_type* __p = const_cast<char_type*>(__str_.data()); |
| 551 |
this->setg(__p, __p + __ninp, __hm_); |
| 552 |
} |
| 553 |
return this->sputc(__c); |
| 554 |
} |
| 555 |
return traits_type::not_eof(__c); |
| 556 |
} |
| 557 |
|
| 558 |
template <class _CharT, class _Traits, class _Allocator> |
| 559 |
typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type |
| 560 |
basic_stringbuf<_CharT, _Traits, _Allocator>::seekoff(off_type __off, |
| 561 |
ios_base::seekdir __way, |
| 562 |
ios_base::openmode __wch) |
| 563 |
{
|
| 564 |
if (__hm_ < this->pptr()) |
| 565 |
__hm_ = this->pptr(); |
| 566 |
if ((__wch & (ios_base::in | ios_base::out)) == 0) |
| 567 |
return pos_type(-1); |
| 568 |
if ((__wch & (ios_base::in | ios_base::out)) == (ios_base::in | ios_base::out) |
| 569 |
&& __way == ios_base::cur) |
| 570 |
return pos_type(-1); |
| 571 |
off_type __noff; |
| 572 |
switch (__way) |
| 573 |
{
|
| 574 |
case ios_base::beg: |
| 575 |
__noff = 0; |
| 576 |
break; |
| 577 |
case ios_base::cur: |
| 578 |
if (__wch & ios_base::in) |
| 579 |
__noff = this->gptr() - this->eback(); |
| 580 |
else |
| 581 |
__noff = this->pptr() - this->pbase(); |
| 582 |
break; |
| 583 |
case ios_base::end: |
| 584 |
__noff = __hm_ - __str_.data(); |
| 585 |
break; |
| 586 |
default: |
| 587 |
return pos_type(-1); |
| 588 |
} |
| 589 |
__noff += __off; |
| 590 |
if (__noff < 0 || __hm_ - __str_.data() < __noff) |
| 591 |
return pos_type(-1); |
| 592 |
if (__noff != 0) |
| 593 |
{
|
| 594 |
if ((__wch & ios_base::in) && this->gptr() == 0) |
| 595 |
return pos_type(-1); |
| 596 |
if ((__wch & ios_base::out) && this->pptr() == 0) |
| 597 |
return pos_type(-1); |
| 598 |
} |
| 599 |
if (__wch & ios_base::in) |
| 600 |
this->setg(this->eback(), this->eback() + __noff, __hm_); |
| 601 |
if (__wch & ios_base::out) |
| 602 |
{
|
| 603 |
this->setp(this->pbase(), this->epptr()); |
| 604 |
this->pbump(__noff); |
| 605 |
} |
| 606 |
return pos_type(__noff); |
| 607 |
} |
| 608 |
|
| 609 |
template <class _CharT, class _Traits, class _Allocator> |
| 610 |
inline _LIBCPP_INLINE_VISIBILITY |
| 611 |
typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type |
| 612 |
basic_stringbuf<_CharT, _Traits, _Allocator>::seekpos(pos_type __sp, |
| 613 |
ios_base::openmode __wch) |
| 614 |
{
|
| 615 |
return seekoff(__sp, ios_base::beg, __wch); |
| 616 |
} |
| 617 |
|
| 618 |
// basic_istringstream |
| 619 |
|
| 620 |
template <class _CharT, class _Traits, class _Allocator> |
| 621 |
class _LIBCPP_TYPE_VIS_ONLY basic_istringstream |
| 622 |
: public basic_istream<_CharT, _Traits> |
| 623 |
{
|
| 624 |
public: |
| 625 |
typedef _CharT char_type; |
| 626 |
typedef _Traits traits_type; |
| 627 |
typedef typename traits_type::int_type int_type; |
| 628 |
typedef typename traits_type::pos_type pos_type; |
| 629 |
typedef typename traits_type::off_type off_type; |
| 630 |
typedef _Allocator allocator_type; |
| 631 |
|
| 632 |
typedef basic_string<char_type, traits_type, allocator_type> string_type; |
| 633 |
|
| 634 |
private: |
| 635 |
basic_stringbuf<char_type, traits_type, allocator_type> __sb_; |
| 636 |
|
| 637 |
public: |
| 638 |
// 27.8.2.1 Constructors: |
| 639 |
explicit basic_istringstream(ios_base::openmode __wch = ios_base::in); |
| 640 |
explicit basic_istringstream(const string_type& __s, |
| 641 |
ios_base::openmode __wch = ios_base::in); |
| 642 |
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 643 |
basic_istringstream(basic_istringstream&& __rhs); |
| 644 |
|
| 645 |
// 27.8.2.2 Assign and swap: |
| 646 |
basic_istringstream& operator=(basic_istringstream&& __rhs); |
| 647 |
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 648 |
void swap(basic_istringstream& __rhs); |
| 649 |
|
| 650 |
// 27.8.2.3 Members: |
| 651 |
basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; |
| 652 |
string_type str() const; |
| 653 |
void str(const string_type& __s); |
| 654 |
}; |
| 655 |
|
| 656 |
template <class _CharT, class _Traits, class _Allocator> |
| 657 |
inline _LIBCPP_INLINE_VISIBILITY |
| 658 |
basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(ios_base::openmode __wch) |
| 659 |
: basic_istream<_CharT, _Traits>(&__sb_), |
| 660 |
__sb_(__wch | ios_base::in) |
| 661 |
{
|
| 662 |
} |
| 663 |
|
| 664 |
template <class _CharT, class _Traits, class _Allocator> |
| 665 |
inline _LIBCPP_INLINE_VISIBILITY |
| 666 |
basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(const string_type& __s, |
| 667 |
ios_base::openmode __wch) |
| 668 |
: basic_istream<_CharT, _Traits>(&__sb_), |
| 669 |
__sb_(__s, __wch | ios_base::in) |
| 670 |
{
|
| 671 |
} |
| 672 |
|
| 673 |
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 674 |
|
| 675 |
template <class _CharT, class _Traits, class _Allocator> |
| 676 |
inline _LIBCPP_INLINE_VISIBILITY |
| 677 |
basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(basic_istringstream&& __rhs) |
| 678 |
: basic_istream<_CharT, _Traits>(_VSTD::move(__rhs)), |
| 679 |
__sb_(_VSTD::move(__rhs.__sb_)) |
| 680 |
{
|
| 681 |
basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_); |
| 682 |
} |
| 683 |
|
| 684 |
template <class _CharT, class _Traits, class _Allocator> |
| 685 |
basic_istringstream<_CharT, _Traits, _Allocator>& |
| 686 |
basic_istringstream<_CharT, _Traits, _Allocator>::operator=(basic_istringstream&& __rhs) |
| 687 |
{
|
| 688 |
basic_istream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); |
| 689 |
__sb_ = _VSTD::move(__rhs.__sb_); |
| 690 |
return *this; |
| 691 |
} |
| 692 |
|
| 693 |
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 694 |
|
| 695 |
template <class _CharT, class _Traits, class _Allocator> |
| 696 |
inline _LIBCPP_INLINE_VISIBILITY |
| 697 |
void |
| 698 |
basic_istringstream<_CharT, _Traits, _Allocator>::swap(basic_istringstream& __rhs) |
| 699 |
{
|
| 700 |
basic_istream<char_type, traits_type>::swap(__rhs); |
| 701 |
__sb_.swap(__rhs.__sb_); |
| 702 |
} |
| 703 |
|
| 704 |
template <class _CharT, class _Traits, class _Allocator> |
| 705 |
inline _LIBCPP_INLINE_VISIBILITY |
| 706 |
void |
| 707 |
swap(basic_istringstream<_CharT, _Traits, _Allocator>& __x, |
| 708 |
basic_istringstream<_CharT, _Traits, _Allocator>& __y) |
| 709 |
{
|
| 710 |
__x.swap(__y); |
| 711 |
} |
| 712 |
|
| 713 |
template <class _CharT, class _Traits, class _Allocator> |
| 714 |
inline _LIBCPP_INLINE_VISIBILITY |
| 715 |
basic_stringbuf<_CharT, _Traits, _Allocator>* |
| 716 |
basic_istringstream<_CharT, _Traits, _Allocator>::rdbuf() const |
| 717 |
{
|
| 718 |
return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_); |
| 719 |
} |
| 720 |
|
| 721 |
template <class _CharT, class _Traits, class _Allocator> |
| 722 |
inline _LIBCPP_INLINE_VISIBILITY |
| 723 |
basic_string<_CharT, _Traits, _Allocator> |
| 724 |
basic_istringstream<_CharT, _Traits, _Allocator>::str() const |
| 725 |
{
|
| 726 |
return __sb_.str(); |
| 727 |
} |
| 728 |
|
| 729 |
template <class _CharT, class _Traits, class _Allocator> |
| 730 |
inline _LIBCPP_INLINE_VISIBILITY |
| 731 |
void |
| 732 |
basic_istringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s) |
| 733 |
{
|
| 734 |
__sb_.str(__s); |
| 735 |
} |
| 736 |
|
| 737 |
// basic_ostringstream |
| 738 |
|
| 739 |
template <class _CharT, class _Traits, class _Allocator> |
| 740 |
class _LIBCPP_TYPE_VIS_ONLY basic_ostringstream |
| 741 |
: public basic_ostream<_CharT, _Traits> |
| 742 |
{
|
| 743 |
public: |
| 744 |
typedef _CharT char_type; |
| 745 |
typedef _Traits traits_type; |
| 746 |
typedef typename traits_type::int_type int_type; |
| 747 |
typedef typename traits_type::pos_type pos_type; |
| 748 |
typedef typename traits_type::off_type off_type; |
| 749 |
typedef _Allocator allocator_type; |
| 750 |
|
| 751 |
typedef basic_string<char_type, traits_type, allocator_type> string_type; |
| 752 |
|
| 753 |
private: |
| 754 |
basic_stringbuf<char_type, traits_type, allocator_type> __sb_; |
| 755 |
|
| 756 |
public: |
| 757 |
// 27.8.2.1 Constructors: |
| 758 |
explicit basic_ostringstream(ios_base::openmode __wch = ios_base::out); |
| 759 |
explicit basic_ostringstream(const string_type& __s, |
| 760 |
ios_base::openmode __wch = ios_base::out); |
| 761 |
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 762 |
basic_ostringstream(basic_ostringstream&& __rhs); |
| 763 |
|
| 764 |
// 27.8.2.2 Assign and swap: |
| 765 |
basic_ostringstream& operator=(basic_ostringstream&& __rhs); |
| 766 |
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 767 |
void swap(basic_ostringstream& __rhs); |
| 768 |
|
| 769 |
// 27.8.2.3 Members: |
| 770 |
basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; |
| 771 |
string_type str() const; |
| 772 |
void str(const string_type& __s); |
| 773 |
}; |
| 774 |
|
| 775 |
template <class _CharT, class _Traits, class _Allocator> |
| 776 |
inline _LIBCPP_INLINE_VISIBILITY |
| 777 |
basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(ios_base::openmode __wch) |
| 778 |
: basic_ostream<_CharT, _Traits>(&__sb_), |
| 779 |
__sb_(__wch | ios_base::out) |
| 780 |
{
|
| 781 |
} |
| 782 |
|
| 783 |
template <class _CharT, class _Traits, class _Allocator> |
| 784 |
inline _LIBCPP_INLINE_VISIBILITY |
| 785 |
basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(const string_type& __s, |
| 786 |
ios_base::openmode __wch) |
| 787 |
: basic_ostream<_CharT, _Traits>(&__sb_), |
| 788 |
__sb_(__s, __wch | ios_base::out) |
| 789 |
{
|
| 790 |
} |
| 791 |
|
| 792 |
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 793 |
|
| 794 |
template <class _CharT, class _Traits, class _Allocator> |
| 795 |
inline _LIBCPP_INLINE_VISIBILITY |
| 796 |
basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(basic_ostringstream&& __rhs) |
| 797 |
: basic_ostream<_CharT, _Traits>(_VSTD::move(__rhs)), |
| 798 |
__sb_(_VSTD::move(__rhs.__sb_)) |
| 799 |
{
|
| 800 |
basic_ostream<_CharT, _Traits>::set_rdbuf(&__sb_); |
| 801 |
} |
| 802 |
|
| 803 |
template <class _CharT, class _Traits, class _Allocator> |
| 804 |
basic_ostringstream<_CharT, _Traits, _Allocator>& |
| 805 |
basic_ostringstream<_CharT, _Traits, _Allocator>::operator=(basic_ostringstream&& __rhs) |
| 806 |
{
|
| 807 |
basic_ostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); |
| 808 |
__sb_ = _VSTD::move(__rhs.__sb_); |
| 809 |
return *this; |
| 810 |
} |
| 811 |
|
| 812 |
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 813 |
|
| 814 |
template <class _CharT, class _Traits, class _Allocator> |
| 815 |
inline _LIBCPP_INLINE_VISIBILITY |
| 816 |
void |
| 817 |
basic_ostringstream<_CharT, _Traits, _Allocator>::swap(basic_ostringstream& __rhs) |
| 818 |
{
|
| 819 |
basic_ostream<char_type, traits_type>::swap(__rhs); |
| 820 |
__sb_.swap(__rhs.__sb_); |
| 821 |
} |
| 822 |
|
| 823 |
template <class _CharT, class _Traits, class _Allocator> |
| 824 |
inline _LIBCPP_INLINE_VISIBILITY |
| 825 |
void |
| 826 |
swap(basic_ostringstream<_CharT, _Traits, _Allocator>& __x, |
| 827 |
basic_ostringstream<_CharT, _Traits, _Allocator>& __y) |
| 828 |
{
|
| 829 |
__x.swap(__y); |
| 830 |
} |
| 831 |
|
| 832 |
template <class _CharT, class _Traits, class _Allocator> |
| 833 |
inline _LIBCPP_INLINE_VISIBILITY |
| 834 |
basic_stringbuf<_CharT, _Traits, _Allocator>* |
| 835 |
basic_ostringstream<_CharT, _Traits, _Allocator>::rdbuf() const |
| 836 |
{
|
| 837 |
return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_); |
| 838 |
} |
| 839 |
|
| 840 |
template <class _CharT, class _Traits, class _Allocator> |
| 841 |
inline _LIBCPP_INLINE_VISIBILITY |
| 842 |
basic_string<_CharT, _Traits, _Allocator> |
| 843 |
basic_ostringstream<_CharT, _Traits, _Allocator>::str() const |
| 844 |
{
|
| 845 |
return __sb_.str(); |
| 846 |
} |
| 847 |
|
| 848 |
template <class _CharT, class _Traits, class _Allocator> |
| 849 |
inline _LIBCPP_INLINE_VISIBILITY |
| 850 |
void |
| 851 |
basic_ostringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s) |
| 852 |
{
|
| 853 |
__sb_.str(__s); |
| 854 |
} |
| 855 |
|
| 856 |
// basic_stringstream |
| 857 |
|
| 858 |
template <class _CharT, class _Traits, class _Allocator> |
| 859 |
class _LIBCPP_TYPE_VIS_ONLY basic_stringstream |
| 860 |
: public basic_iostream<_CharT, _Traits> |
| 861 |
{
|
| 862 |
public: |
| 863 |
typedef _CharT char_type; |
| 864 |
typedef _Traits traits_type; |
| 865 |
typedef typename traits_type::int_type int_type; |
| 866 |
typedef typename traits_type::pos_type pos_type; |
| 867 |
typedef typename traits_type::off_type off_type; |
| 868 |
typedef _Allocator allocator_type; |
| 869 |
|
| 870 |
typedef basic_string<char_type, traits_type, allocator_type> string_type; |
| 871 |
|
| 872 |
private: |
| 873 |
basic_stringbuf<char_type, traits_type, allocator_type> __sb_; |
| 874 |
|
| 875 |
public: |
| 876 |
// 27.8.2.1 Constructors: |
| 877 |
explicit basic_stringstream(ios_base::openmode __wch = ios_base::in | ios_base::out); |
| 878 |
explicit basic_stringstream(const string_type& __s, |
| 879 |
ios_base::openmode __wch = ios_base::in | ios_base::out); |
| 880 |
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 881 |
basic_stringstream(basic_stringstream&& __rhs); |
| 882 |
|
| 883 |
// 27.8.2.2 Assign and swap: |
| 884 |
basic_stringstream& operator=(basic_stringstream&& __rhs); |
| 885 |
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 886 |
void swap(basic_stringstream& __rhs); |
| 887 |
|
| 888 |
// 27.8.2.3 Members: |
| 889 |
basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; |
| 890 |
string_type str() const; |
| 891 |
void str(const string_type& __s); |
| 892 |
}; |
| 893 |
|
| 894 |
template <class _CharT, class _Traits, class _Allocator> |
| 895 |
inline _LIBCPP_INLINE_VISIBILITY |
| 896 |
basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(ios_base::openmode __wch) |
| 897 |
: basic_iostream<_CharT, _Traits>(&__sb_), |
| 898 |
__sb_(__wch) |
| 899 |
{
|
| 900 |
} |
| 901 |
|
| 902 |
template <class _CharT, class _Traits, class _Allocator> |
| 903 |
inline _LIBCPP_INLINE_VISIBILITY |
| 904 |
basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(const string_type& __s, |
| 905 |
ios_base::openmode __wch) |
| 906 |
: basic_iostream<_CharT, _Traits>(&__sb_), |
| 907 |
__sb_(__s, __wch) |
| 908 |
{
|
| 909 |
} |
| 910 |
|
| 911 |
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 912 |
|
| 913 |
template <class _CharT, class _Traits, class _Allocator> |
| 914 |
inline _LIBCPP_INLINE_VISIBILITY |
| 915 |
basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(basic_stringstream&& __rhs) |
| 916 |
: basic_iostream<_CharT, _Traits>(_VSTD::move(__rhs)), |
| 917 |
__sb_(_VSTD::move(__rhs.__sb_)) |
| 918 |
{
|
| 919 |
basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_); |
| 920 |
} |
| 921 |
|
| 922 |
template <class _CharT, class _Traits, class _Allocator> |
| 923 |
basic_stringstream<_CharT, _Traits, _Allocator>& |
| 924 |
basic_stringstream<_CharT, _Traits, _Allocator>::operator=(basic_stringstream&& __rhs) |
| 925 |
{
|
| 926 |
basic_iostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); |
| 927 |
__sb_ = _VSTD::move(__rhs.__sb_); |
| 928 |
return *this; |
| 929 |
} |
| 930 |
|
| 931 |
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 932 |
|
| 933 |
template <class _CharT, class _Traits, class _Allocator> |
| 934 |
inline _LIBCPP_INLINE_VISIBILITY |
| 935 |
void |
| 936 |
basic_stringstream<_CharT, _Traits, _Allocator>::swap(basic_stringstream& __rhs) |
| 937 |
{
|
| 938 |
basic_iostream<char_type, traits_type>::swap(__rhs); |
| 939 |
__sb_.swap(__rhs.__sb_); |
| 940 |
} |
| 941 |
|
| 942 |
template <class _CharT, class _Traits, class _Allocator> |
| 943 |
inline _LIBCPP_INLINE_VISIBILITY |
| 944 |
void |
| 945 |
swap(basic_stringstream<_CharT, _Traits, _Allocator>& __x, |
| 946 |
basic_stringstream<_CharT, _Traits, _Allocator>& __y) |
| 947 |
{
|
| 948 |
__x.swap(__y); |
| 949 |
} |
| 950 |
|
| 951 |
template <class _CharT, class _Traits, class _Allocator> |
| 952 |
inline _LIBCPP_INLINE_VISIBILITY |
| 953 |
basic_stringbuf<_CharT, _Traits, _Allocator>* |
| 954 |
basic_stringstream<_CharT, _Traits, _Allocator>::rdbuf() const |
| 955 |
{
|
| 956 |
return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_); |
| 957 |
} |
| 958 |
|
| 959 |
template <class _CharT, class _Traits, class _Allocator> |
| 960 |
inline _LIBCPP_INLINE_VISIBILITY |
| 961 |
basic_string<_CharT, _Traits, _Allocator> |
| 962 |
basic_stringstream<_CharT, _Traits, _Allocator>::str() const |
| 963 |
{
|
| 964 |
return __sb_.str(); |
| 965 |
} |
| 966 |
|
| 967 |
template <class _CharT, class _Traits, class _Allocator> |
| 968 |
inline _LIBCPP_INLINE_VISIBILITY |
| 969 |
void |
| 970 |
basic_stringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s) |
| 971 |
{
|
| 972 |
__sb_.str(__s); |
| 973 |
} |
| 974 |
|
| 975 |
_LIBCPP_END_NAMESPACE_STD |
| 976 |
|
| 977 |
#endif // _LIBCPP_SSTREAM |