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