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-rw-r--r--include/sstream886
1 files changed, 886 insertions, 0 deletions
diff --git a/include/sstream b/include/sstream
new file mode 100644
index 000000000000..1b27195f901e
--- /dev/null
+++ b/include/sstream
@@ -0,0 +1,886 @@
+// -*- C++ -*-
+//===--------------------------- sstream ----------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_SSTREAM
+#define _LIBCPP_SSTREAM
+
+/*
+ sstream synopsis
+
+template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
+class basic_stringbuf
+ : public basic_streambuf<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;
+
+ // 27.8.1.1 Constructors:
+ explicit basic_stringbuf(ios_base::openmode which = ios_base::in | ios_base::out);
+ explicit basic_stringbuf(const basic_string<char_type, traits_type, allocator_type>& str,
+ ios_base::openmode which = ios_base::in | ios_base::out);
+ basic_stringbuf(basic_stringbuf&& rhs);
+
+ // 27.8.1.2 Assign and swap:
+ basic_stringbuf& operator=(basic_stringbuf&& rhs);
+ void swap(basic_stringbuf& rhs);
+
+ // 27.8.1.3 Get and set:
+ basic_string<char_type, traits_type, allocator_type> str() const;
+ void str(const basic_string<char_type, traits_type, allocator_type>& s);
+
+protected:
+ // 27.8.1.4 Overridden virtual functions:
+ virtual int_type underflow();
+ virtual int_type pbackfail(int_type c = traits_type::eof());
+ virtual int_type overflow (int_type c = traits_type::eof());
+ virtual basic_streambuf<char_type, traits_type>* setbuf(char_type*, streamsize);
+ virtual pos_type seekoff(off_type off, ios_base::seekdir way,
+ ios_base::openmode which = ios_base::in | ios_base::out);
+ virtual pos_type seekpos(pos_type sp,
+ ios_base::openmode which = ios_base::in | ios_base::out);
+};
+
+template <class charT, class traits, class Allocator>
+ void swap(basic_stringbuf<charT, traits, Allocator>& x,
+ basic_stringbuf<charT, traits, Allocator>& y);
+
+typedef basic_stringbuf<char> stringbuf;
+typedef basic_stringbuf<wchar_t> wstringbuf;
+
+template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
+class 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;
+
+ // 27.8.2.1 Constructors:
+ explicit basic_istringstream(ios_base::openmode which = ios_base::in);
+ explicit basic_istringstream(const basic_string<char_type, traits_type,allocator_type>& str,
+ ios_base::openmode which = ios_base::in);
+ basic_istringstream(basic_istringstream&& rhs);
+
+ // 27.8.2.2 Assign and swap:
+ basic_istringstream& operator=(basic_istringstream&& rhs);
+ void swap(basic_istringstream& rhs);
+
+ // 27.8.2.3 Members:
+ basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
+ basic_string<char_type, traits_type, allocator_type> str() const;
+ void str(const basic_string<char_type, traits_type, allocator_type>& s);
+};
+
+template <class charT, class traits, class Allocator>
+ void swap(basic_istringstream<charT, traits, Allocator>& x,
+ basic_istringstream<charT, traits, Allocator>& y);
+
+typedef basic_istringstream<char> istringstream;
+typedef basic_istringstream<wchar_t> wistringstream;
+
+template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
+class basic_ostringstream
+ : public basic_ostream<charT, traits>
+{
+public:
+ // types:
+ 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;
+
+ // 27.8.3.1 Constructors/destructor:
+ explicit basic_ostringstream(ios_base::openmode which = ios_base::out);
+ explicit basic_ostringstream(const basic_string<char_type, traits_type, allocator_type>& str,
+ ios_base::openmode which = ios_base::out);
+ basic_ostringstream(basic_ostringstream&& rhs);
+
+ // 27.8.3.2 Assign/swap:
+ basic_ostringstream& operator=(basic_ostringstream&& rhs);
+ void swap(basic_ostringstream& rhs);
+
+ // 27.8.3.3 Members:
+ basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
+ basic_string<char_type, traits_type, allocator_type> str() const;
+ void str(const basic_string<char_type, traits_type, allocator_type>& s);
+};
+
+template <class charT, class traits, class Allocator>
+ void swap(basic_ostringstream<charT, traits, Allocator>& x,
+ basic_ostringstream<charT, traits, Allocator>& y);
+
+typedef basic_ostringstream<char> ostringstream;
+typedef basic_ostringstream<wchar_t> wostringstream;
+
+template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
+class basic_stringstream
+ : public basic_iostream<charT, traits>
+{
+public:
+ // types:
+ 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;
+
+ // constructors/destructor
+ explicit basic_stringstream(ios_base::openmode which = ios_base::out|ios_base::in);
+ explicit basic_stringstream(const basic_string<char_type, traits_type, allocator_type>& str,
+ ios_base::openmode which = ios_base::out|ios_base::in);
+ basic_stringstream(basic_stringstream&& rhs);
+
+ // 27.8.5.1 Assign/swap:
+ basic_stringstream& operator=(basic_stringstream&& rhs);
+ void swap(basic_stringstream& rhs);
+
+ // Members:
+ basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
+ basic_string<char_type, traits_type, allocator_type> str() const;
+ void str(const basic_string<char_type, traits_type, allocator_type>& str);
+};
+
+template <class charT, class traits, class Allocator>
+ void swap(basic_stringstream<charT, traits, Allocator>& x,
+ basic_stringstream<charT, traits, Allocator>& y);
+
+typedef basic_stringstream<char> stringstream;
+typedef basic_stringstream<wchar_t> wstringstream;
+
+} // std
+
+*/
+
+#include <__config>
+#include <ostream>
+#include <istream>
+#include <string>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+// basic_stringbuf
+
+template <class _CharT, class _Traits, class _Allocator>
+class _LIBCPP_VISIBLE basic_stringbuf
+ : public basic_streambuf<_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:
+
+ string_type __str_;
+ mutable char_type* __hm_;
+ ios_base::openmode __mode_;
+
+public:
+ // 27.8.1.1 Constructors:
+ explicit basic_stringbuf(ios_base::openmode __wch = ios_base::in | ios_base::out);
+ explicit basic_stringbuf(const string_type& __s,
+ ios_base::openmode __wch = ios_base::in | ios_base::out);
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+ basic_stringbuf(basic_stringbuf&& __rhs);
+#endif
+
+ // 27.8.1.2 Assign and swap:
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+ basic_stringbuf& operator=(basic_stringbuf&& __rhs);
+#endif
+ void swap(basic_stringbuf& __rhs);
+
+ // 27.8.1.3 Get and set:
+ string_type str() const;
+ void str(const string_type& __s);
+
+protected:
+ // 27.8.1.4 Overridden virtual functions:
+ virtual int_type underflow();
+ virtual int_type pbackfail(int_type __c = traits_type::eof());
+ virtual int_type overflow (int_type __c = traits_type::eof());
+ virtual pos_type seekoff(off_type __off, ios_base::seekdir __way,
+ ios_base::openmode __wch = ios_base::in | ios_base::out);
+ virtual pos_type seekpos(pos_type __sp,
+ ios_base::openmode __wch = ios_base::in | ios_base::out);
+};
+
+template <class _CharT, class _Traits, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
+basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(ios_base::openmode __wch)
+ : __hm_(0),
+ __mode_(__wch)
+{
+ str(string_type());
+}
+
+template <class _CharT, class _Traits, class _Allocator>
+inline _LIBCPP_INLINE_VISIBILITY
+basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(const string_type& __s,
+ ios_base::openmode __wch)
+ : __hm_(0),
+ __mode_(__wch)
+{
+ str(__s);
+}
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+template <class _CharT, class _Traits, class _Allocator>
+basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(basic_stringbuf&& __rhs)
+ : __mode_(__rhs.__mode_)
+{
+ ptrdiff_t __ninp = __rhs.gptr() - __rhs.eback();
+ ptrdiff_t __einp = __rhs.egptr() - __rhs.eback();
+ ptrdiff_t __nout = __rhs.pptr() - __rhs.pbase();
+ ptrdiff_t __eout = __rhs.epptr() - __rhs.pbase();
+ ptrdiff_t __hm = __rhs.__hm_ - __rhs.pbase();
+ __str_ = _VSTD::move(__rhs.__str_);
+ char_type* __p = const_cast<char_type*>(__str_.data());
+ this->setg(__p, __p + __ninp, __p + __einp);
+ this->setp(__p, __p + __eout);
+ this->pbump(__nout);
+ __hm_ = __p + __hm;
+ __p = const_cast<char_type*>(__rhs.__str_.data());
+ __rhs.setg(__p, __p, __p);
+ __rhs.setp(__p, __p);
+ __rhs.__hm_ = __p;
+ this->pubimbue(__rhs.getloc());
+}
+
+template <class _CharT, class _Traits, class _Allocator>
+basic_stringbuf<_CharT, _Traits, _Allocator>&
+basic_stringbuf<_CharT, _Traits, _Allocator>::operator=(basic_stringbuf&& __rhs)
+{
+ ptrdiff_t __ninp = __rhs.gptr() - __rhs.eback();
+ ptrdiff_t __einp = __rhs.egptr() - __rhs.eback();
+ ptrdiff_t __nout = __rhs.pptr() - __rhs.pbase();
+ ptrdiff_t __eout = __rhs.epptr() - __rhs.pbase();
+ ptrdiff_t __hm = __rhs.__hm_ - __rhs.pbase();
+ __mode_ = __rhs.__mode_;
+ __str_ = _VSTD::move(__rhs.__str_);
+ char_type* __p = const_cast<char_type*>(__str_.data());
+ this->setg(__p, __p + __ninp, __p + __einp);
+ this->setp(__p, __p + __eout);
+ this->pbump(__nout);
+ __hm_ = __p + __hm;
+ __p = const_cast<char_type*>(__rhs.__str_.data());
+ __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)
+{
+ ptrdiff_t __rninp = __rhs.gptr() - __rhs.eback();
+ ptrdiff_t __reinp = __rhs.egptr() - __rhs.eback();
+ ptrdiff_t __rnout = __rhs.pptr() - __rhs.pbase();
+ ptrdiff_t __reout = __rhs.epptr() - __rhs.pbase();
+ ptrdiff_t __rhm = __rhs.__hm_ - __rhs.pbase();
+ ptrdiff_t __lninp = this->gptr() - this->eback();
+ ptrdiff_t __leinp = this->egptr() - this->eback();
+ ptrdiff_t __lnout = this->pptr() - this->pbase();
+ ptrdiff_t __leout = this->epptr() - this->pbase();
+ ptrdiff_t __lhm = this->__hm_ - this->pbase();
+ _VSTD::swap(__mode_, __rhs.__mode_);
+ __str_.swap(__rhs.__str_);
+ char_type* __p = const_cast<char_type*>(__str_.data());
+ this->setg(__p, __p + __rninp, __p + __reinp);
+ this->setp(__p, __p + __reout);
+ this->pbump(__rnout);
+ __hm_ = __p + __rhm;
+ __p = const_cast<char_type*>(__rhs.__str_.data());
+ __rhs.setg(__p, __p + __lninp, __p + __leinp);
+ __rhs.setp(__p, __p + __leout);
+ __rhs.pbump(__lnout);
+ __rhs.__hm_ = __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_VISIBLE 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_VISIBLE 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_VISIBLE 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