mirror of
https://github.com/reactos/reactos.git
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209 lines
5.8 KiB
C
209 lines
5.8 KiB
C
/*
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* Copyright (c) 1999
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* Silicon Graphics Computer Systems, Inc.
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*
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* Copyright (c) 1999
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* Boris Fomitchev
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*
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* This material is provided "as is", with absolutely no warranty expressed
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* or implied. Any use is at your own risk.
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*
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* Permission to use or copy this software for any purpose is hereby granted
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* without fee, provided the above notices are retained on all copies.
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* Permission to modify the code and to distribute modified code is granted,
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* provided the above notices are retained, and a notice that the code was
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* modified is included with the above copyright notice.
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*
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*/
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#ifndef _STLP_STREAMBUF_C
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#define _STLP_STREAMBUF_C
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#ifndef _STLP_INTERNAL_STREAMBUF
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# include <stl/_streambuf.h>
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#endif
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_STLP_BEGIN_NAMESPACE
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//----------------------------------------------------------------------
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// Non-inline basic_streambuf<> member functions.
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#if !defined (_STLP_MSVC) || (_STLP_MSVC >= 1300) || !defined (_STLP_USE_STATIC_LIB)
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template <class _CharT, class _Traits>
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basic_streambuf<_CharT, _Traits>::basic_streambuf()
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: _M_gbegin(0), _M_gnext(0), _M_gend(0),
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_M_pbegin(0), _M_pnext(0), _M_pend(0),
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_M_locale() {
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// _M_lock._M_initialize();
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}
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#endif
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template <class _CharT, class _Traits>
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basic_streambuf<_CharT, _Traits>::~basic_streambuf()
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{}
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template <class _CharT, class _Traits>
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locale
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basic_streambuf<_CharT, _Traits>::pubimbue(const locale& __loc) {
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this->imbue(__loc);
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locale __tmp = _M_locale;
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_M_locale = __loc;
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return __tmp;
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}
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template <class _CharT, class _Traits>
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streamsize
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basic_streambuf<_CharT, _Traits>::xsgetn(_CharT* __s, streamsize __n) {
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streamsize __result = 0;
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const int_type __eof = _Traits::eof();
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while (__result < __n) {
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if (_M_gnext < _M_gend) {
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size_t __chunk = (min) (__STATIC_CAST(size_t,_M_gend - _M_gnext),
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__STATIC_CAST(size_t,__n - __result));
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_Traits::copy(__s, _M_gnext, __chunk);
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__result += __chunk;
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__s += __chunk;
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_M_gnext += __chunk;
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}
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else {
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int_type __c = this->sbumpc();
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if (!_Traits::eq_int_type(__c, __eof)) {
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*__s = _Traits::to_char_type(__c);
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++__result;
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++__s;
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}
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else
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break;
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}
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}
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return __result;
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}
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template <class _CharT, class _Traits>
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streamsize
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basic_streambuf<_CharT, _Traits>::xsputn(const _CharT* __s, streamsize __n)
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{
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streamsize __result = 0;
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const int_type __eof = _Traits::eof();
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while (__result < __n) {
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if (_M_pnext < _M_pend) {
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size_t __chunk = (min) (__STATIC_CAST(size_t,_M_pend - _M_pnext),
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__STATIC_CAST(size_t,__n - __result));
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_Traits::copy(_M_pnext, __s, __chunk);
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__result += __chunk;
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__s += __chunk;
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_M_pnext += __chunk;
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}
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else if (!_Traits::eq_int_type(this->overflow(_Traits::to_int_type(*__s)),
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__eof)) {
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++__result;
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++__s;
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}
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else
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break;
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}
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return __result;
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}
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template <class _CharT, class _Traits>
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streamsize
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basic_streambuf<_CharT, _Traits>::_M_xsputnc(_CharT __c, streamsize __n)
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{
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streamsize __result = 0;
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const int_type __eof = _Traits::eof();
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while (__result < __n) {
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if (_M_pnext < _M_pend) {
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size_t __chunk = (min) (__STATIC_CAST(size_t,_M_pend - _M_pnext),
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__STATIC_CAST(size_t,__n - __result));
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_Traits::assign(_M_pnext, __chunk, __c);
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__result += __chunk;
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_M_pnext += __chunk;
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}
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else if (!_Traits::eq_int_type(this->overflow(_Traits::to_int_type(__c)),
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__eof))
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++__result;
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else
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break;
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}
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return __result;
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}
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template <class _CharT, class _Traits>
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_STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type
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basic_streambuf<_CharT, _Traits>::_M_snextc_aux()
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{
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int_type __eof = _Traits::eof();
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if (_M_gend == _M_gnext)
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return _Traits::eq_int_type(this->uflow(), __eof) ? __eof : this->sgetc();
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else {
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_M_gnext = _M_gend;
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return this->underflow();
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}
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}
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template <class _CharT, class _Traits>
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_STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type
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basic_streambuf<_CharT, _Traits>::pbackfail(int_type) {
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return _Traits::eof();
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}
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template <class _CharT, class _Traits>
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_STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type
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basic_streambuf<_CharT, _Traits>::overflow(int_type) {
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return _Traits::eof();
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}
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template <class _CharT, class _Traits>
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_STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type
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basic_streambuf<_CharT, _Traits>::uflow() {
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return ( _Traits::eq_int_type(this->underflow(),_Traits::eof()) ?
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_Traits::eof() :
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_Traits::to_int_type(*_M_gnext++));
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}
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template <class _CharT, class _Traits>
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_STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type
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basic_streambuf<_CharT, _Traits>::underflow()
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{ return _Traits::eof(); }
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template <class _CharT, class _Traits>
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streamsize
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basic_streambuf<_CharT, _Traits>::showmanyc()
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{ return 0; }
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template <class _CharT, class _Traits>
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void
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basic_streambuf<_CharT, _Traits>::imbue(const locale&) {}
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template <class _CharT, class _Traits>
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int
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basic_streambuf<_CharT, _Traits>::sync() { return 0; }
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template <class _CharT, class _Traits>
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_STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::pos_type
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basic_streambuf<_CharT, _Traits>::seekpos(pos_type, ios_base::openmode)
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{ return pos_type(-1); }
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template <class _CharT, class _Traits>
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_STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::pos_type
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basic_streambuf<_CharT, _Traits>::seekoff(off_type, ios_base::seekdir,
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ios_base::openmode)
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{ return pos_type(-1); }
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template <class _CharT, class _Traits>
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basic_streambuf<_CharT, _Traits>*
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basic_streambuf<_CharT, _Traits>:: setbuf(char_type*, streamsize)
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{ return this; }
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_STLP_END_NAMESPACE
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#endif
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// Local Variables:
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// mode:C++
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// End:
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