diff -r e20de85af2ee -r ce057bb09d0b ossrv_pub/io_stream_api/inc/stdapis/stlport/stl/_ostream.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ossrv_pub/io_stream_api/inc/stdapis/stlport/stl/_ostream.c Fri Jun 04 16:20:51 2010 +0100 @@ -0,0 +1,425 @@ +/* + * © Portions copyright (c) 2006-2007 Nokia Corporation. All rights reserved. + * + * 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_OSTREAM_C +#define _STLP_OSTREAM_C + + +#ifndef _STLP_INTERNAL_OSTREAM_H +# include +#endif + +#if defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION) + +#if !defined (_STLP_INTERNAL_NUM_PUT_H) +# include // For basic_streambuf and iterators +#endif + +_STLP_BEGIN_NAMESPACE + +// Helper functions for istream<>::sentry constructor. +template +bool +_M_init(basic_ostream<_CharT, _Traits>& __str) { + if (__str.good()) { + // boris : check if this is needed ! + if (!__str.rdbuf()) + __str.setstate(ios_base::badbit); + if (__str.tie()) + __str.tie()->flush(); + return __str.good(); + } else + return false; +} + +//---------------------------------------------------------------------- +// Definitions of non-inline member functions. + +// Constructor, destructor + +template +_STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits> + ::basic_ostream(basic_streambuf<_CharT, _Traits>* __buf) + : basic_ios<_CharT, _Traits>() +{ + this->init(__buf); +} + +template +_STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>::~basic_ostream() +{} + +// Output directly from a streambuf. +template +_STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>& +basic_ostream<_CharT, _Traits>::operator<<(basic_streambuf<_CharT, _Traits>* __from) +{ + sentry __sentry(*this); + if (__sentry) { + if (__from) { + bool __any_inserted = __from->gptr() != __from->egptr() + ? this->_M_copy_buffered(__from, this->rdbuf()) + : this->_M_copy_unbuffered(__from, this->rdbuf()); + if (!__any_inserted) + this->setstate(ios_base::failbit); + } + else + this->setstate(ios_base::badbit); + } + + return *this; +} + +// Helper functions for the streambuf version of operator<<. The +// exception-handling code is complicated because exceptions thrown +// while extracting characters are treated differently than exceptions +// thrown while inserting characters. + +template +bool basic_ostream<_CharT, _Traits> + ::_M_copy_buffered(basic_streambuf<_CharT, _Traits>* __from, + basic_streambuf<_CharT, _Traits>* __to) +{ + bool __any_inserted = false; + + while (__from->egptr() != __from->gptr()) { + const ptrdiff_t __avail = __from->egptr() - __from->gptr(); + + streamsize __nwritten; + _STLP_TRY { + __nwritten = __to->sputn(__from->gptr(), __avail); + __from->gbump((int)__nwritten); + } + _STLP_CATCH_ALL { + this->_M_handle_exception(ios_base::badbit); + return __any_inserted; + } + + if (__nwritten == __avail) { + _STLP_TRY { + if (this->_S_eof(__from->sgetc())) + return true; + else + __any_inserted = true; + } + _STLP_CATCH_ALL { + this->_M_handle_exception(ios_base::failbit); + return false; + } + } + + else if (__nwritten != 0) + return true; + + else + return __any_inserted; + } + + // No characters are in the buffer, but we aren't at EOF. Switch to + // unbuffered mode. + return __any_inserted || this->_M_copy_unbuffered(__from, __to); +} + +template +bool basic_ostream<_CharT, _Traits> + ::_M_copy_unbuffered(basic_streambuf<_CharT, _Traits>* __from, + basic_streambuf<_CharT, _Traits>* __to) +{ + bool __any_inserted = false; + +#ifdef __SYMBIAN32__ + int_type __c; + _STLP_TRY { + __c = __from->sgetc();; + } + _STLP_CATCH_ALL { + this->_M_handle_exception(ios_base::failbit); + return __any_inserted; + } + for(;;){ + + if (this->_S_eof(__c)) + return __any_inserted; + + else { + int_type __tmp; + _STLP_TRY { + __tmp = __to->sputc(__c); + } + _STLP_CATCH_ALL { + this->_M_handle_exception(ios_base::badbit); + return __any_inserted; + } + + if (this->_S_eof(__tmp)) { + break; + } + else + __any_inserted = true; + } + _STLP_TRY { + __c = __from->snextc(); + } + _STLP_CATCH_ALL { + this->_M_handle_exception(ios_base::failbit); + return __any_inserted; + } + } +#else + while (true) { + int_type __c; + _STLP_TRY { + __c = __from->sbumpc(); + } + _STLP_CATCH_ALL { + this->_M_handle_exception(ios_base::failbit); + return __any_inserted; + } + + if (this->_S_eof(__c)) + return __any_inserted; + + else { + int_type __tmp; + _STLP_TRY { + __tmp = __to->sputc(__c); + } + _STLP_CATCH_ALL { + this->_M_handle_exception(ios_base::badbit); + return __any_inserted; + } + + if (this->_S_eof(__tmp)) { + _STLP_TRY { + /* __tmp = */ __from->sputbackc(__c); + } + _STLP_CATCH_ALL { + this->_M_handle_exception(ios_base::badbit); + return __any_inserted; + } + } + else + __any_inserted = true; + } + } +#endif + return __any_inserted; +} + +// Helper function for numeric output. + +template +basic_ostream<_CharT, _Traits>& +_M_put_num(basic_ostream<_CharT, _Traits>& __os, _Number __x) +{ + typedef typename basic_ostream<_CharT, _Traits>::sentry _Sentry; + _Sentry __sentry(__os); + bool __failed = true; + + if (__sentry) { + _STLP_TRY { + typedef num_put<_CharT, ostreambuf_iterator<_CharT, _Traits> > _NumPut; + __failed = (use_facet<_NumPut>(__os.getloc())).put( + ostreambuf_iterator<_CharT, _Traits>(__os.rdbuf()), + __os, __os.fill(), + __x).failed(); + } + _STLP_CATCH_ALL { + __os._M_handle_exception(ios_base::badbit); + } + } + if (__failed) + __os.setstate(ios_base::badbit); + return __os; +} + +# if defined (_STLP_USE_TEMPLATE_EXPORT) && defined (__BUILDING_STLPORT) +_STLP_EXPORT_TEMPLATE _STLP_EXP_DECLSPEC basic_ostream >& _STLP_CALL +_M_put_num(basic_ostream >&, unsigned long); +_STLP_EXPORT_TEMPLATE _STLP_EXP_DECLSPEC basic_ostream >& _STLP_CALL +_M_put_num(basic_ostream >&, long); +# if defined (_STLP_LONG_LONG) +_STLP_EXPORT_TEMPLATE _STLP_EXP_DECLSPEC basic_ostream >& _STLP_CALL +_M_put_num(basic_ostream >&, unsigned _STLP_LONG_LONG); +_STLP_EXPORT_TEMPLATE _STLP_EXP_DECLSPEC basic_ostream >& _STLP_CALL +_M_put_num(basic_ostream >&, _STLP_LONG_LONG ); +# endif +# endif + +template +void basic_ostream<_CharT, _Traits>::_M_put_char(_CharT __c) +{ + sentry __sentry(*this); + if (__sentry) { + bool __failed = true; + _STLP_TRY { + streamsize __npad = this->width() > 0 ? this->width() - 1 : 0; + // if (__npad <= 1) + if (__npad == 0) + __failed = this->_S_eof(this->rdbuf()->sputc(__c)); + else if ((this->flags() & ios_base::adjustfield) == ios_base::left) { + __failed = this->_S_eof(this->rdbuf()->sputc(__c)); + __failed = __failed || + this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad; + } + else { + __failed = this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad; + __failed = __failed || this->_S_eof(this->rdbuf()->sputc(__c)); + } + + this->width(0); + } + _STLP_CATCH_ALL { + this->_M_handle_exception(ios_base::badbit); + } + + if (__failed) + this->setstate(ios_base::badbit); + } +} + +template +void basic_ostream<_CharT, _Traits>::_M_put_nowiden(const _CharT* __s) +{ + sentry __sentry(*this); + if (__sentry) { + bool __failed = true; + streamsize __n = _Traits::length(__s); + streamsize __npad = this->width() > __n ? this->width() - __n : 0; + + _STLP_TRY { + if (__npad == 0) + __failed = this->rdbuf()->sputn(__s, __n) != __n; + else if ((this->flags() & ios_base::adjustfield) == ios_base::left) { + __failed = this->rdbuf()->sputn(__s, __n) != __n; + __failed = __failed || + this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad; + } + else { + __failed = this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad; + __failed = __failed || this->rdbuf()->sputn(__s, __n) != __n; + } + + this->width(0); + } + _STLP_CATCH_ALL { + this->_M_handle_exception(ios_base::badbit); + } + + if (__failed) + this->setstate(ios_base::failbit); + } +} + +template +void basic_ostream<_CharT, _Traits>::_M_put_widen(const char* __s) +{ + sentry __sentry(*this); + if (__sentry) { + bool __failed = true; + streamsize __n = char_traits::length(__s); + streamsize __npad = this->width() > __n ? this->width() - __n : 0; + + _STLP_TRY { + if (__npad == 0) + __failed = !this->_M_put_widen_aux(__s, __n); + else if ((this->flags() & ios_base::adjustfield) == ios_base::left) { + __failed = !this->_M_put_widen_aux(__s, __n); + __failed = __failed || + this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad; + } + else { + __failed = this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad; + __failed = __failed || !this->_M_put_widen_aux(__s, __n); + } + + this->width(0); + } + _STLP_CATCH_ALL { + this->_M_handle_exception(ios_base::badbit); + } + + if (__failed) + this->setstate(ios_base::failbit); + } +} + +template +bool basic_ostream<_CharT, _Traits>::_M_put_widen_aux(const char* __s, + streamsize __n) +{ + basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf(); + + for ( ; __n > 0 ; --__n) + if (this->_S_eof(__buf->sputc(this->widen(*__s++)))) + return false; + return true; +} + +// Unformatted output of a single character. +template +_STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>& +basic_ostream<_CharT, _Traits>::put(char_type __c) +{ + sentry __sentry(*this); + bool __failed = true; + + if (__sentry) { + _STLP_TRY { + __failed = this->_S_eof(this->rdbuf()->sputc(__c)); + } + _STLP_CATCH_ALL { + this->_M_handle_exception(ios_base::badbit); + } + } + + if (__failed) + this->setstate(ios_base::badbit); + + return *this; +} + +// Unformatted output of a single character. +template +_STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>& +basic_ostream<_CharT, _Traits>::write(const char_type* __s, streamsize __n) +{ + sentry __sentry(*this); + bool __failed = true; + + if (__sentry) { + _STLP_TRY { + __failed = this->rdbuf()->sputn(__s, __n) != __n; + } + _STLP_CATCH_ALL { + this->_M_handle_exception(ios_base::badbit); + } + } + + if (__failed) + this->setstate(ios_base::badbit); + + return *this; +} + +_STLP_END_NAMESPACE + +#endif /* defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION) */ + +#endif /* _STLP_OSTREAM_C */