home *** CD-ROM | disk | FTP | other *** search
- #ifndef __STREAMBU_CC
- #define __STREAMBU_CC
- #pragma option push -b -a8 -pc -Vx- -Ve- -w-inl -w-aus -w-sig
- /***************************************************************************
- *
- * streambuf.cc - Definitions for the Standard Library stream buffers
- *
- ***************************************************************************
- *
- * Copyright (c) 1994-1999 Rogue Wave Software, Inc. All Rights Reserved.
- *
- * This computer software is owned by Rogue Wave Software, Inc. and is
- * protected by U.S. copyright laws and other laws and by international
- * treaties. This computer software is furnished by Rogue Wave Software,
- * Inc. pursuant to a written license agreement and may be used, copied,
- * transmitted, and stored only in accordance with the terms of such
- * license and with the inclusion of the above copyright notice. This
- * computer software or any other copies thereof may not be provided or
- * otherwise made available to any other person.
- *
- * U.S. Government Restricted Rights. This computer software is provided
- * with Restricted Rights. Use, duplication, or disclosure by the
- * Government is subject to restrictions as set forth in subparagraph (c)
- * (1) (ii) of The Rights in Technical Data and Computer Software clause
- * at DFARS 252.227-7013 or subparagraphs (c) (1) and (2) of the
- * Commercial Computer Software รป Restricted Rights at 48 CFR 52.227-19,
- * as applicable. Manufacturer is Rogue Wave Software, Inc., 5500
- * Flatiron Parkway, Boulder, Colorado 80301 USA.
- *
- **************************************************************************/
-
- #ifndef _RWSTD_NO_NAMESPACE
- namespace std {
- #endif
-
- /*
- * class basic_streambuf<charT, traits>
- */
-
- /*
- * ~basic_streambuf()
- */
-
- template<class charT, class traits>
- basic_streambuf<charT, traits>::~basic_streambuf()
- {
-
- }
-
- /*
- * basic_streambuf()
- */
-
- template<class charT, class traits>
- basic_streambuf<charT, traits>::basic_streambuf()
- {
- streambuf_init();
- }
-
- /*
- * void streambuf_init()
- */
-
- template<class charT, class traits>
- void basic_streambuf<charT, traits>::streambuf_init(bool set_mode)
- {
- if ( set_mode )
- mode_ = ( ios_base::in | ios_base::out );
-
- __gbeg = 0;
- __gnext = 0;
- __gend = 0;
-
- __pbeg = 0;
- __pnext = 0;
- __pend = 0;
- }
- /*
- * int_type overflow(int_type)
- */
-
- template<class charT, class traits>
- _TYPENAME basic_streambuf<charT, traits>::int_type
- basic_streambuf<charT, traits>::overflow(int_type )
- {
- return traits::eof();
- }
-
- /*
- * int_type pbackfail(int_type)
- */
-
- template<class charT, class traits>
- _TYPENAME basic_streambuf<charT, traits>::int_type
- basic_streambuf<charT, traits>::pbackfail(int_type )
- {
- return traits::eof();
- }
-
- /*
- * streamsize showmanyc()
- */
-
- template<class charT, class traits>
- streamsize basic_streambuf<charT, traits>::showmanyc()
- {
- if ( gptr() )
- {
- if ( pptr()>egptr() ) setg(eback(),gptr(),pptr());
- }
- else
- if ( pptr() ) setg(pbase(),pbase(),pptr());
-
- return (streamsize)(egptr()-gptr());
- }
-
- /*
- * int_type underflow()
- */
-
- template<class charT, class traits>
- _TYPENAME basic_streambuf<charT, traits>::int_type
- basic_streambuf<charT, traits>::underflow()
- {
- return traits::eof();
- }
-
- /*
- * int_type uflow()
- */
-
- template<class charT, class traits>
- _TYPENAME basic_streambuf<charT, traits>::int_type
- basic_streambuf<charT, traits>::uflow()
- {
- if( traits::eq_int_type(underflow(),traits::eof()) )
- return traits::eof();
- return sbumpc();
- }
-
- /*
- * streamsize xsgetn(char_type *, streamsize)
- */
-
- template<class charT, class traits>
- streamsize basic_streambuf<charT, traits>::
- xsgetn(char_type *s, streamsize n)
- {
- if ( !s || (n==0) ) return 0;
-
- streamsize i = ( in_avail() > n ) ? n : in_avail();
- int_type c;
-
- if(i > 0) {
- s = traits::copy(s, gptr(), i);
- s += i;
- gbump(i);
- }
-
- while((i < n) && ( !traits::eq_int_type( (c = sbumpc()),traits::eof()))) {
- *s++ = traits::to_char_type(c);
- ++i;
- }
-
- return i;
- }
-
- /*
- * streamsize xsputn(const char_type *, streamsize)
- */
-
- template<class charT, class traits>
- streamsize basic_streambuf<charT, traits>::
- xsputn(const char_type *s, streamsize n)
- {
- if ( !s || (n == 0) ) return 0;
-
- int i=0;
-
- while((i < n) && ( !traits::eq_int_type(sputc(*s++),traits::eof()))) {
- i++;
- }
-
- return i;
- }
-
- /*
- * pos_type 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>::
- seekoff(off_type , ios_base::seekdir , ios_base::openmode )
- {
- return pos_type(off_type(-1));
- }
-
- /*
- * pos_type seekpos(pos_type, 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 )
- {
- return pos_type(off_type(-1));
- }
-
- /*
- * basic_streambuf *setbuf(char_type *, streamsize)
- */
-
- template<class charT, class traits>
- basic_streambuf<charT, traits> *
- basic_streambuf<charT, traits>::setbuf(char_type*, streamsize )
- {
- return this;
- }
-
- /*
- * int sync()
- */
-
- template<class charT, class traits>
- int basic_streambuf<charT, traits>::sync()
- {
- return 0;
- }
- /*
- * locale pubimbue(const locale& loc)
- */
-
- template<class charT, class traits>
- locale basic_streambuf<charT, traits>::pubimbue(const locale& loc)
- {
- locale tmp = getloc();
- imbue(loc);
- return tmp;
- }
-
- /*
- * locale getloc() const
- */
-
- template<class charT, class traits>
- locale basic_streambuf<charT, traits>::getloc() const
- {
- return __loc_buf;
- }
-
- /*
- * virtual void imbue(const locale& loc)
- */
-
- template<class charT, class traits>
- void basic_streambuf<charT, traits>::imbue(const locale& loc)
- {
- __loc_buf = loc;
-
- }
-
- #ifndef _RWSTD_NO_NAMESPACE
- }
- #endif
- #pragma option pop
- #endif /* __STREAMBU_CC */
-