williamr@2: /*
williamr@2:  * © Portions copyright (c) 2006-2007 Nokia Corporation.  All rights reserved.
williamr@2:  *
williamr@2:  * Copyright (c) 1999
williamr@2:  * Silicon Graphics Computer Systems, Inc.
williamr@2:  *
williamr@2:  * Copyright (c) 1999 
williamr@2:  * Boris Fomitchev
williamr@2:  *
williamr@2:  * This material is provided "as is", with absolutely no warranty expressed
williamr@2:  * or implied. Any use is at your own risk.
williamr@2:  *
williamr@2:  * Permission to use or copy this software for any purpose is hereby granted 
williamr@2:  * without fee, provided the above notices are retained on all copies.
williamr@2:  * Permission to modify the code and to distribute modified code is granted,
williamr@2:  * provided the above notices are retained, and a notice that the code was
williamr@2:  * modified is included with the above copyright notice.
williamr@2:  *
williamr@2:  */ 
williamr@2: #ifndef _STLP_STREAMBUF_C
williamr@2: #define _STLP_STREAMBUF_C
williamr@2: 
williamr@2: #ifndef _STLP_INTERNAL_STREAMBUF
williamr@2: # include <stl/_streambuf.h>
williamr@2: #endif
williamr@2: 
williamr@2: # if defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION)
williamr@2: 
williamr@2: _STLP_BEGIN_NAMESPACE
williamr@2: //----------------------------------------------------------------------
williamr@2: // Non-inline basic_streambuf<> member functions.
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC basic_streambuf<_CharT, _Traits>::basic_streambuf()
williamr@2:   : _M_gbegin(0), _M_gnext(0), _M_gend(0),
williamr@2:     _M_pbegin(0), _M_pnext(0), _M_pend(0),
williamr@2:     _M_locale()
williamr@2: {
williamr@2:   //  _M_lock._M_initialize();
williamr@2: }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC  basic_streambuf<_CharT, _Traits>::~basic_streambuf() 
williamr@2: {}
williamr@2: 
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC locale 
williamr@2: basic_streambuf<_CharT, _Traits>::pubimbue(const locale& __loc) {
williamr@2:   this->imbue(__loc);
williamr@2:   locale __tmp = _M_locale;
williamr@2:   _M_locale = __loc;
williamr@2:   return __tmp;
williamr@2: }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC streamsize
williamr@2: basic_streambuf<_CharT, _Traits>::xsgetn(_CharT* __s, streamsize __n)
williamr@2: {
williamr@2:   streamsize __result = 0;
williamr@2:   const int_type __eof = _Traits::eof();
williamr@2: 
williamr@2:   while (__result < __n) {
williamr@2:     if (_M_gnext < _M_gend) {
williamr@2:       size_t __chunk = (min) (__STATIC_CAST(size_t,_M_gend - _M_gnext),
williamr@2:                            __STATIC_CAST(size_t,__n - __result));
williamr@2:       _Traits::copy(__s, _M_gnext, __chunk);
williamr@2:       __result += __chunk;
williamr@2:       __s += __chunk;
williamr@2:       _M_gnext += __chunk;
williamr@2:     }
williamr@2:     else {
williamr@2:       int_type __c = this->sbumpc();
williamr@2:       if (!_Traits::eq_int_type(__c, __eof)) {
williamr@2:         *__s = __c;
williamr@2:         ++__result;
williamr@2: 	++__s;
williamr@2:       }
williamr@2:       else
williamr@2:         break; 
williamr@2:     }
williamr@2:   }
williamr@2:   
williamr@2:   return __result;
williamr@2: }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC streamsize
williamr@2: basic_streambuf<_CharT, _Traits>::xsputn(const _CharT* __s, streamsize __n)
williamr@2: {
williamr@2:   streamsize __result = 0;
williamr@2:   const int_type __eof = _Traits::eof();
williamr@2: 
williamr@2:   while (__result < __n) {
williamr@2:     if (_M_pnext < _M_pend) {
williamr@2:       size_t __chunk = (min) (__STATIC_CAST(size_t,_M_pend - _M_pnext),
williamr@2:                            __STATIC_CAST(size_t,__n - __result));
williamr@2:       _Traits::copy(_M_pnext, __s, __chunk);
williamr@2:       __result += __chunk;
williamr@2:       __s += __chunk;
williamr@2:       _M_pnext += __chunk;
williamr@2:     }
williamr@2: 
williamr@2:     else if (!_Traits::eq_int_type(this->overflow(_Traits::to_int_type(*__s)),
williamr@2:                                    __eof)) {
williamr@2:       ++__result;
williamr@2:       ++__s;
williamr@2:     }
williamr@2:     else
williamr@2:       break;
williamr@2:   }
williamr@2:   return __result;
williamr@2: }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC streamsize
williamr@2: basic_streambuf<_CharT, _Traits>::_M_xsputnc(_CharT __c, streamsize __n)
williamr@2: {
williamr@2:   streamsize __result = 0;
williamr@2:   const int_type __eof = _Traits::eof();
williamr@2: 
williamr@2:   while (__result < __n) {
williamr@2:     if (_M_pnext < _M_pend) {
williamr@2:       size_t __chunk = (min) (__STATIC_CAST(size_t,_M_pend - _M_pnext),
williamr@2:                            __STATIC_CAST(size_t,__n - __result));
williamr@2:       _Traits::assign(_M_pnext, __chunk, __c);
williamr@2:       __result += __chunk;
williamr@2:       _M_pnext += __chunk;
williamr@2:     }
williamr@2: 
williamr@2:     else if (!_Traits::eq_int_type(this->overflow(_Traits::to_int_type(__c)),
williamr@2:                                    __eof))
williamr@2:       ++__result;
williamr@2:     else
williamr@2:       break;
williamr@2:   }
williamr@2:   return __result;
williamr@2: }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC _STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type 
williamr@2: basic_streambuf<_CharT, _Traits>::_M_snextc_aux()  
williamr@2: {
williamr@2:   int_type __eof = _Traits::eof();
williamr@2:   if (_M_gend == _M_gnext)
williamr@2:     return _Traits::eq_int_type(this->uflow(), __eof) ? __eof : this->sgetc();
williamr@2:   else {
williamr@2:     _M_gnext = _M_gend;
williamr@2:     return this->underflow();
williamr@2:   }
williamr@2: }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC _STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type 
williamr@2: basic_streambuf<_CharT, _Traits>::pbackfail(int_type) { 
williamr@2:  return _Traits::eof(); 
williamr@2: }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC _STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type 
williamr@2: basic_streambuf<_CharT, _Traits>::overflow(int_type) { 
williamr@2:   return _Traits::eof(); 
williamr@2: }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC _STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type 
williamr@2: basic_streambuf<_CharT, _Traits>::uflow() {
williamr@2:     return ( _Traits::eq_int_type(this->underflow(),_Traits::eof()) ?
williamr@2:              _Traits::eof() :
williamr@2:              _Traits::to_int_type(*_M_gnext++));
williamr@2: }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC _STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type 
williamr@2: basic_streambuf<_CharT, _Traits>::underflow()
williamr@2: { return _Traits::eof(); }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC streamsize 
williamr@2: basic_streambuf<_CharT, _Traits>::showmanyc()
williamr@2: { return 0; }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC void 
williamr@2: basic_streambuf<_CharT, _Traits>::imbue(const locale&) {}
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC int
williamr@2: basic_streambuf<_CharT, _Traits>::sync() { return 0; }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC _STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::pos_type 
williamr@2: basic_streambuf<_CharT, _Traits>::seekpos(pos_type, ios_base::openmode)
williamr@2: { return pos_type(-1); }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC _STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::pos_type 
williamr@2: basic_streambuf<_CharT, _Traits>::seekoff(off_type, ios_base::seekdir,
williamr@2: 					  ios_base::openmode)
williamr@2: { return pos_type(-1); }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC basic_streambuf<_CharT, _Traits>* 
williamr@2: basic_streambuf<_CharT, _Traits>:: setbuf(char_type*, streamsize)
williamr@2: { return this; }
williamr@2: 
williamr@2: 
williamr@2: # if defined (_STLP_USE_TEMPLATE_EXPORT)
williamr@2: #  if !defined (_STLP_NO_WCHAR_T)
williamr@2: _STLP_EXPORT_TEMPLATE_CLASS basic_streambuf<wchar_t, char_traits<wchar_t> >;
williamr@2: #  endif
williamr@2: # endif /* _STLP_USE_TEMPLATE_EXPORT */
williamr@2: 
williamr@2: _STLP_END_NAMESPACE
williamr@2: 
williamr@2: # endif /* EXPOSE */
williamr@2: 
williamr@2: #endif