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_OSTREAM_C
williamr@2: #define _STLP_OSTREAM_C
williamr@2: 
williamr@2: 
williamr@2: #ifndef _STLP_INTERNAL_OSTREAM_H
williamr@2: # include <stl/_ostream.h>
williamr@2: #endif
williamr@2: 
williamr@2: #if defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION)
williamr@2: 
williamr@2: #if !defined (_STLP_INTERNAL_NUM_PUT_H)
williamr@2: # include <stl/_num_put.h>            // For basic_streambuf and iterators
williamr@2: #endif
williamr@2: 
williamr@2: _STLP_BEGIN_NAMESPACE
williamr@2: 
williamr@2: // Helper functions for istream<>::sentry constructor.
williamr@2: template <class _CharT, class _Traits>
williamr@2: bool
williamr@2: _M_init(basic_ostream<_CharT, _Traits>& __str) {
williamr@2:   if (__str.good()) {
williamr@2:     // boris : check if this is needed !
williamr@2:     if (!__str.rdbuf())
williamr@2:       __str.setstate(ios_base::badbit);
williamr@2:     if (__str.tie())
williamr@2:       __str.tie()->flush();
williamr@2:     return __str.good();
williamr@2:   } else
williamr@2:     return false;
williamr@2: }
williamr@2: 
williamr@2: //----------------------------------------------------------------------
williamr@2: // Definitions of non-inline member functions.
williamr@2: 
williamr@2: // Constructor, destructor
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>
williamr@2:   ::basic_ostream(basic_streambuf<_CharT, _Traits>* __buf)
williamr@2:     : basic_ios<_CharT, _Traits>() 
williamr@2: {
williamr@2:   this->init(__buf);
williamr@2: }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>::~basic_ostream()
williamr@2: {}
williamr@2: 
williamr@2: // Output directly from a streambuf.
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>& 
williamr@2: basic_ostream<_CharT, _Traits>::operator<<(basic_streambuf<_CharT, _Traits>* __from)
williamr@2: {
williamr@2:   sentry __sentry(*this);
williamr@2:   if (__sentry) {
williamr@2:     if (__from) {
williamr@2:       bool __any_inserted = __from->gptr() != __from->egptr()
williamr@2:         ? this->_M_copy_buffered(__from, this->rdbuf())
williamr@2:         : this->_M_copy_unbuffered(__from, this->rdbuf());
williamr@2:       if (!__any_inserted)
williamr@2:         this->setstate(ios_base::failbit);
williamr@2:     }
williamr@2:     else
williamr@2:       this->setstate(ios_base::badbit);
williamr@2:   }
williamr@2: 
williamr@2:   return *this;
williamr@2: }
williamr@2: 
williamr@2: // Helper functions for the streambuf version of operator<<.  The
williamr@2: // exception-handling code is complicated because exceptions thrown
williamr@2: // while extracting characters are treated differently than exceptions
williamr@2: // thrown while inserting characters.
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: bool basic_ostream<_CharT, _Traits>
williamr@2:   ::_M_copy_buffered(basic_streambuf<_CharT, _Traits>* __from,
williamr@2:                      basic_streambuf<_CharT, _Traits>* __to)
williamr@2: {
williamr@2:   bool __any_inserted = false;
williamr@2: 
williamr@2:   while (__from->egptr() != __from->gptr()) {
williamr@2:     const ptrdiff_t __avail = __from->egptr() - __from->gptr();
williamr@2: 
williamr@2:     streamsize __nwritten;
williamr@2:     _STLP_TRY {
williamr@2:       __nwritten = __to->sputn(__from->gptr(), __avail);
williamr@2:       __from->gbump((int)__nwritten);
williamr@2:     }
williamr@2:     _STLP_CATCH_ALL {
williamr@2:       this->_M_handle_exception(ios_base::badbit);
williamr@2:       return __any_inserted;
williamr@2:     }
williamr@2: 
williamr@2:     if (__nwritten == __avail) {
williamr@2:       _STLP_TRY {
williamr@2:         if (this->_S_eof(__from->sgetc()))
williamr@2:           return true;
williamr@2:         else
williamr@2:           __any_inserted = true;
williamr@2:       }
williamr@2:       _STLP_CATCH_ALL {
williamr@2:         this->_M_handle_exception(ios_base::failbit);
williamr@2:         return false;
williamr@2:       }
williamr@2:     }
williamr@2: 
williamr@2:     else if (__nwritten != 0)
williamr@2:       return true;
williamr@2: 
williamr@2:     else
williamr@2:       return __any_inserted;
williamr@2:   }
williamr@2: 
williamr@2:   // No characters are in the buffer, but we aren't at EOF.  Switch to
williamr@2:   // unbuffered mode.
williamr@2:   return __any_inserted || this->_M_copy_unbuffered(__from, __to);
williamr@2: }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: bool basic_ostream<_CharT, _Traits>
williamr@2:   ::_M_copy_unbuffered(basic_streambuf<_CharT, _Traits>* __from,
williamr@2:                        basic_streambuf<_CharT, _Traits>* __to)
williamr@2: {
williamr@2:   bool __any_inserted = false;
williamr@2: 
williamr@2: #ifdef __SYMBIAN32__
williamr@2:   int_type __c;
williamr@2:     _STLP_TRY {
williamr@2:   __c = __from->sgetc();;
williamr@2:     }
williamr@2:     _STLP_CATCH_ALL {
williamr@2:       this->_M_handle_exception(ios_base::failbit);
williamr@2:       return __any_inserted;
williamr@2:     }
williamr@2:   for(;;){
williamr@2: 
williamr@2:     if (this->_S_eof(__c))
williamr@2:       return __any_inserted;
williamr@2: 
williamr@2:     else {
williamr@2:       int_type __tmp;
williamr@2:       _STLP_TRY {
williamr@2:         __tmp = __to->sputc(__c);
williamr@2:       }
williamr@2:       _STLP_CATCH_ALL {
williamr@2:         this->_M_handle_exception(ios_base::badbit);
williamr@2:         return __any_inserted;
williamr@2:       }
williamr@2: 
williamr@2:       if (this->_S_eof(__tmp)) {
williamr@2:         break;
williamr@2:       }
williamr@2:       else
williamr@2:         __any_inserted = true;
williamr@2:     }
williamr@2:     _STLP_TRY {
williamr@2:       __c = __from->snextc();
williamr@2:     }
williamr@2:     _STLP_CATCH_ALL {
williamr@2:       this->_M_handle_exception(ios_base::failbit);
williamr@2:       return __any_inserted;
williamr@2:     }
williamr@2:   }
williamr@2: #else
williamr@2:   while (true) {
williamr@2:     int_type __c;
williamr@2:     _STLP_TRY {
williamr@2:       __c = __from->sbumpc();
williamr@2:     }
williamr@2:     _STLP_CATCH_ALL {
williamr@2:       this->_M_handle_exception(ios_base::failbit);
williamr@2:       return __any_inserted;
williamr@2:     }
williamr@2: 
williamr@2:     if (this->_S_eof(__c))
williamr@2:       return __any_inserted;
williamr@2: 
williamr@2:     else {
williamr@2:       int_type __tmp;
williamr@2:       _STLP_TRY {
williamr@2:         __tmp = __to->sputc(__c);
williamr@2:       }
williamr@2:       _STLP_CATCH_ALL {
williamr@2:         this->_M_handle_exception(ios_base::badbit);
williamr@2:         return __any_inserted;
williamr@2:       }
williamr@2: 
williamr@2:       if (this->_S_eof(__tmp)) {
williamr@2:         _STLP_TRY {
williamr@2:           /* __tmp = */ __from->sputbackc(__c);
williamr@2:         }
williamr@2:         _STLP_CATCH_ALL {
williamr@2:           this->_M_handle_exception(ios_base::badbit);
williamr@2:           return __any_inserted;
williamr@2:         }
williamr@2:       }
williamr@2:       else
williamr@2:         __any_inserted = true;
williamr@2:     }
williamr@2:   }
williamr@2: #endif
williamr@2:   return __any_inserted;
williamr@2: }
williamr@2: 
williamr@2: // Helper function for numeric output.
williamr@2: 
williamr@2: template <class _CharT, class _Traits, class _Number>
williamr@2: basic_ostream<_CharT, _Traits>&  _STLP_CALL
williamr@2: _M_put_num(basic_ostream<_CharT, _Traits>& __os, _Number __x)
williamr@2: {
williamr@2:   typedef typename basic_ostream<_CharT, _Traits>::sentry _Sentry;
williamr@2:   _Sentry __sentry(__os);
williamr@2:   bool __failed = true;
williamr@2: 
williamr@2:   if (__sentry) {
williamr@2:     _STLP_TRY {
williamr@2:       typedef num_put<_CharT, ostreambuf_iterator<_CharT, _Traits> > _NumPut;      
williamr@2:       __failed = (use_facet<_NumPut>(__os.getloc())).put(
williamr@2:                                                          ostreambuf_iterator<_CharT, _Traits>(__os.rdbuf()), 
williamr@2:                                                          __os, __os.fill(),
williamr@2:                                                          __x).failed();
williamr@2:     }
williamr@2:     _STLP_CATCH_ALL {
williamr@2:       __os._M_handle_exception(ios_base::badbit);
williamr@2:     }
williamr@2:   }
williamr@2:   if (__failed)
williamr@2:     __os.setstate(ios_base::badbit); 
williamr@2:   return __os;
williamr@2: }
williamr@2: 
williamr@2: # if defined (_STLP_USE_TEMPLATE_EXPORT)  && defined (__BUILDING_STLPORT)
williamr@2: _STLP_EXPORT_TEMPLATE _STLP_EXP_DECLSPEC basic_ostream<char, char_traits<char> >& _STLP_CALL
williamr@2: _M_put_num(basic_ostream<char, char_traits<char> >&, unsigned long);
williamr@2: _STLP_EXPORT_TEMPLATE _STLP_EXP_DECLSPEC basic_ostream<char, char_traits<char> >&  _STLP_CALL
williamr@2: _M_put_num(basic_ostream<char, char_traits<char> >&, long);
williamr@2: #  if defined (_STLP_LONG_LONG)
williamr@2: _STLP_EXPORT_TEMPLATE _STLP_EXP_DECLSPEC basic_ostream<char, char_traits<char> >&  _STLP_CALL
williamr@2: _M_put_num(basic_ostream<char, char_traits<char> >&, unsigned _STLP_LONG_LONG);
williamr@2: _STLP_EXPORT_TEMPLATE _STLP_EXP_DECLSPEC basic_ostream<char, char_traits<char> >&  _STLP_CALL
williamr@2: _M_put_num(basic_ostream<char, char_traits<char> >&, _STLP_LONG_LONG );
williamr@2: #  endif
williamr@2: # endif
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: void basic_ostream<_CharT, _Traits>::_M_put_char(_CharT __c)
williamr@2: {
williamr@2:   sentry __sentry(*this);
williamr@2:   if (__sentry) {
williamr@2:     bool __failed = true;
williamr@2:     _STLP_TRY {
williamr@2:       streamsize __npad = this->width() > 0 ? this->width() - 1 : 0;
williamr@2:       //      if (__npad <= 1)
williamr@2:       if (__npad == 0)
williamr@2:         __failed = this->_S_eof(this->rdbuf()->sputc(__c));
williamr@2:       else if ((this->flags() & ios_base::adjustfield) == ios_base::left) {
williamr@2:         __failed = this->_S_eof(this->rdbuf()->sputc(__c));
williamr@2:         __failed = __failed || 
williamr@2:                    this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
williamr@2:       }
williamr@2:       else {
williamr@2:         __failed = this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
williamr@2:         __failed = __failed || this->_S_eof(this->rdbuf()->sputc(__c));
williamr@2:       }
williamr@2: 
williamr@2:       this->width(0);
williamr@2:     }
williamr@2:     _STLP_CATCH_ALL {
williamr@2:       this->_M_handle_exception(ios_base::badbit);
williamr@2:     }
williamr@2: 
williamr@2:     if (__failed)
williamr@2:       this->setstate(ios_base::badbit);
williamr@2:   }
williamr@2: }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: void basic_ostream<_CharT, _Traits>::_M_put_nowiden(const _CharT* __s)
williamr@2: {
williamr@2:   sentry __sentry(*this);
williamr@2:   if (__sentry) {
williamr@2:     bool __failed = true;
williamr@2:     streamsize __n = _Traits::length(__s);
williamr@2:     streamsize __npad = this->width() > __n ? this->width() - __n : 0;
williamr@2: 
williamr@2:     _STLP_TRY {
williamr@2:       if (__npad == 0)
williamr@2:         __failed = this->rdbuf()->sputn(__s, __n) != __n;
williamr@2:       else if ((this->flags() & ios_base::adjustfield) == ios_base::left) {
williamr@2:         __failed = this->rdbuf()->sputn(__s, __n) != __n;
williamr@2:         __failed = __failed || 
williamr@2:                    this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
williamr@2:       }
williamr@2:       else {
williamr@2:         __failed = this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
williamr@2:         __failed = __failed || this->rdbuf()->sputn(__s, __n) != __n;
williamr@2:       }
williamr@2: 
williamr@2:       this->width(0);
williamr@2:     }
williamr@2:     _STLP_CATCH_ALL {
williamr@2:       this->_M_handle_exception(ios_base::badbit);
williamr@2:     }
williamr@2: 
williamr@2:     if (__failed)
williamr@2:       this->setstate(ios_base::failbit);
williamr@2:   }
williamr@2: }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: void basic_ostream<_CharT, _Traits>::_M_put_widen(const char* __s)
williamr@2: {
williamr@2:   sentry __sentry(*this);
williamr@2:   if (__sentry) {
williamr@2:     bool __failed = true;
williamr@2:     streamsize __n = char_traits<char>::length(__s);
williamr@2:     streamsize __npad = this->width() > __n ? this->width() - __n : 0;
williamr@2: 
williamr@2:     _STLP_TRY {
williamr@2:       if (__npad == 0)
williamr@2:         __failed = !this->_M_put_widen_aux(__s, __n);
williamr@2:       else if ((this->flags() & ios_base::adjustfield) == ios_base::left) {
williamr@2:         __failed = !this->_M_put_widen_aux(__s, __n);
williamr@2:         __failed = __failed || 
williamr@2:                    this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
williamr@2:       }
williamr@2:       else {
williamr@2:         __failed = this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
williamr@2:         __failed = __failed || !this->_M_put_widen_aux(__s, __n);
williamr@2:       }
williamr@2: 
williamr@2:       this->width(0);
williamr@2:     }
williamr@2:     _STLP_CATCH_ALL {
williamr@2:       this->_M_handle_exception(ios_base::badbit);
williamr@2:     }
williamr@2: 
williamr@2:     if (__failed)
williamr@2:       this->setstate(ios_base::failbit);
williamr@2:   }
williamr@2: }
williamr@2: 
williamr@2: template <class _CharT, class _Traits>
williamr@2: bool basic_ostream<_CharT, _Traits>::_M_put_widen_aux(const char* __s,
williamr@2:                                                       streamsize __n)
williamr@2: {
williamr@2:   basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf();
williamr@2: 
williamr@2:   for ( ; __n > 0 ; --__n)
williamr@2:     if (this->_S_eof(__buf->sputc(this->widen(*__s++))))
williamr@2:       return false;
williamr@2:   return true;
williamr@2: }
williamr@2: 
williamr@2: // Unformatted output of a single character.
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>&
williamr@2: basic_ostream<_CharT, _Traits>::put(char_type __c)
williamr@2: {
williamr@2:   sentry __sentry(*this);
williamr@2:   bool __failed = true;
williamr@2: 
williamr@2:   if (__sentry) {
williamr@2:     _STLP_TRY {
williamr@2:       __failed = this->_S_eof(this->rdbuf()->sputc(__c));
williamr@2:     }
williamr@2:     _STLP_CATCH_ALL {
williamr@2:       this->_M_handle_exception(ios_base::badbit);
williamr@2:     }
williamr@2:   }
williamr@2: 
williamr@2:   if (__failed)
williamr@2:     this->setstate(ios_base::badbit);
williamr@2: 
williamr@2:   return *this;
williamr@2: }
williamr@2: 
williamr@2: // Unformatted output of a single character.
williamr@2: template <class _CharT, class _Traits>
williamr@2: _STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>&
williamr@2: basic_ostream<_CharT, _Traits>::write(const char_type* __s, streamsize __n)
williamr@2: {
williamr@2:   sentry __sentry(*this);
williamr@2:   bool __failed = true;
williamr@2: 
williamr@2:   if (__sentry) {
williamr@2:     _STLP_TRY {
williamr@2:       __failed = this->rdbuf()->sputn(__s, __n) != __n;
williamr@2:     }
williamr@2:     _STLP_CATCH_ALL {
williamr@2:       this->_M_handle_exception(ios_base::badbit);
williamr@2:     }
williamr@2:   }
williamr@2: 
williamr@2:   if (__failed)
williamr@2:     this->setstate(ios_base::badbit);
williamr@2: 
williamr@2:   return *this;
williamr@2: }
williamr@2: 
williamr@2: _STLP_END_NAMESPACE
williamr@2: 
williamr@2: #endif /* defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION) */
williamr@2: 
williamr@2: #endif /* _STLP_OSTREAM_C */