streambuf | Explore in Territory

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCPP_STREAMBUF
#define _LIBCPP_STREAMBUF

/*
    streambuf synopsis

namespace std
{

template <class charT, class traits = char_traits<charT> >
class basic_streambuf
{
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;

    virtual ~basic_streambuf();

    // 27.6.2.2.1 locales:
    locale pubimbue(const locale& loc);
    locale getloc() const;

    // 27.6.2.2.2 buffer and positioning:
    basic_streambuf* pubsetbuf(char_type* s, streamsize n);
    pos_type pubseekoff(off_type off, ios_base::seekdir way,
                        ios_base::openmode which = ios_base::in | ios_base::out);
    pos_type pubseekpos(pos_type sp,
                        ios_base::openmode which = ios_base::in | ios_base::out);
    int pubsync();

    // Get and put areas:
    // 27.6.2.2.3 Get area:
    streamsize in_avail();
    int_type snextc();
    int_type sbumpc();
    int_type sgetc();
    streamsize sgetn(char_type* s, streamsize n);

    // 27.6.2.2.4 Putback:
    int_type sputbackc(char_type c);
    int_type sungetc();

    // 27.6.2.2.5 Put area:
    int_type sputc(char_type c);
    streamsize sputn(const char_type* s, streamsize n);

protected:
    basic_streambuf();
    basic_streambuf(const basic_streambuf& rhs);
    basic_streambuf& operator=(const basic_streambuf& rhs);
    void swap(basic_streambuf& rhs);

    // 27.6.2.3.2 Get area:
    char_type* eback() const;
    char_type* gptr() const;
    char_type* egptr() const;
    void gbump(int n);
    void setg(char_type* gbeg, char_type* gnext, char_type* gend);

    // 27.6.2.3.3 Put area:
    char_type* pbase() const;
    char_type* pptr() const;
    char_type* epptr() const;
    void pbump(int n);
    void setp(char_type* pbeg, char_type* pend);

    // 27.6.2.4 virtual functions:
    // 27.6.2.4.1 Locales:
    virtual void imbue(const locale& loc);

    // 27.6.2.4.2 Buffer management and positioning:
    virtual basic_streambuf* setbuf(char_type* s, streamsize n);
    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);
    virtual int sync();

    // 27.6.2.4.3 Get area:
    virtual streamsize showmanyc();
    virtual streamsize xsgetn(char_type* s, streamsize n);
    virtual int_type underflow();
    virtual int_type uflow();

    // 27.6.2.4.4 Putback:
    virtual int_type pbackfail(int_type c = traits_type::eof());

    // 27.6.2.4.5 Put area:
    virtual streamsize xsputn(const char_type* s, streamsize n);
    virtual int_type overflow (int_type c = traits_type::eof());
};

}  // std

*/

#include <__assert>
#include <__config>
#include <__fwd/streambuf.h>
#include <__locale>
#include <__type_traits/is_same.h>
#include <__utility/is_valid_range.h>
#include <climits>
#include <ios>
#include <iosfwd>
#include <version>

#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#  pragma GCC system_header
#endif

_LIBCPP_PUSH_MACROS
#include <__undef_macros>

_LIBCPP_BEGIN_NAMESPACE_STD

template <class _CharT, class _Traits>
class _LIBCPP_TEMPLATE_VIS basic_streambuf { … };

template <class _CharT, class _Traits>
basic_streambuf<_CharT, _Traits>::~basic_streambuf() { … }

template <class _CharT, class _Traits>
basic_streambuf<_CharT, _Traits>::basic_streambuf()
    : … { … }

template <class _CharT, class _Traits>
basic_streambuf<_CharT, _Traits>::basic_streambuf(const basic_streambuf& __sb)
    : … { … }

template <class _CharT, class _Traits>
basic_streambuf<_CharT, _Traits>& basic_streambuf<_CharT, _Traits>::operator=(const basic_streambuf& __sb) { … }

template <class _CharT, class _Traits>
void basic_streambuf<_CharT, _Traits>::swap(basic_streambuf& __sb) { … }

template <class _CharT, class _Traits>
void basic_streambuf<_CharT, _Traits>::imbue(const locale&) { … }

template <class _CharT, class _Traits>
basic_streambuf<_CharT, _Traits>* basic_streambuf<_CharT, _Traits>::setbuf(char_type*, streamsize) { … }

template <class _CharT, class _Traits>
typename basic_streambuf<_CharT, _Traits>::pos_type
basic_streambuf<_CharT, _Traits>::seekoff(off_type, ios_base::seekdir, ios_base::openmode) { … }

template <class _CharT, class _Traits>
typename basic_streambuf<_CharT, _Traits>::pos_type
basic_streambuf<_CharT, _Traits>::seekpos(pos_type, ios_base::openmode) { … }

template <class _CharT, class _Traits>
int basic_streambuf<_CharT, _Traits>::sync() { … }

template <class _CharT, class _Traits>
streamsize basic_streambuf<_CharT, _Traits>::showmanyc() { … }

template <class _CharT, class _Traits>
streamsize basic_streambuf<_CharT, _Traits>::xsgetn(char_type* __s, streamsize __n) { … }

template <class _CharT, class _Traits>
typename basic_streambuf<_CharT, _Traits>::int_type basic_streambuf<_CharT, _Traits>::underflow() { … }

template <class _CharT, class _Traits>
typename basic_streambuf<_CharT, _Traits>::int_type basic_streambuf<_CharT, _Traits>::uflow() { … }

template <class _CharT, class _Traits>
typename basic_streambuf<_CharT, _Traits>::int_type basic_streambuf<_CharT, _Traits>::pbackfail(int_type) { … }

template <class _CharT, class _Traits>
streamsize basic_streambuf<_CharT, _Traits>::xsputn(const char_type* __s, streamsize __n) { … }

template <class _CharT, class _Traits>
typename basic_streambuf<_CharT, _Traits>::int_type basic_streambuf<_CharT, _Traits>::overflow(int_type) { … }

extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_streambuf<char>;

#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_streambuf<wchar_t>;
#endif

_LIBCPP_END_NAMESPACE_STD

_LIBCPP_POP_MACROS

#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
#  include <cstdint>
#endif

#endif // _LIBCPP_STREAMBUF
chromium/third_party/libc++/src/include/streambuf
