184 lines
6 KiB
C++
184 lines
6 KiB
C++
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#ifndef __CODECVT_CC
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#define __CODECVT_CC
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#pragma option push -b -a8 -pc -Vx- -Ve- -w-inl -w-aus -w-sig
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/***************************************************************************
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*
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* codecvt.cc - Definitions for the Standard Library code conversion facet
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*
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***************************************************************************
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*
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* Copyright (c) 1994-1999 Rogue Wave Software, Inc. All Rights Reserved.
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*
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* This computer software is owned by Rogue Wave Software, Inc. and is
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* protected by U.S. copyright laws and other laws and by international
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* treaties. This computer software is furnished by Rogue Wave Software,
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* Inc. pursuant to a written license agreement and may be used, copied,
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* transmitted, and stored only in accordance with the terms of such
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* license and with the inclusion of the above copyright notice. This
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* computer software or any other copies thereof may not be provided or
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* otherwise made available to any other person.
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*
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* U.S. Government Restricted Rights. This computer software is provided
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* with Restricted Rights. Use, duplication, or disclosure by the
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* Government is subject to restrictions as set forth in subparagraph (c)
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* (1) (ii) of The Rights in Technical Data and Computer Software clause
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* at DFARS 252.227-7013 or subparagraphs (c) (1) and (2) of the
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* Commercial Computer Software <EFBFBD> Restricted Rights at 48 CFR 52.227-19,
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* as applicable. Manufacturer is Rogue Wave Software, Inc., 5500
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* Flatiron Parkway, Boulder, Colorado 80301 USA.
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*
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**************************************************************************/
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#ifndef _RWSTD_NO_NAMESPACE
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namespace std {
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#endif
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// -------------------------------------------------------
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// Facet codecvt<internT,externT,stateT> member templates.
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// -------------------------------------------------------
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#ifndef _RWSTD_NO_TEMPLATE_STATIC_ID
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template <class internT,class externT,class stateT>
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locale::id codecvt<internT,externT,stateT>::id;
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#endif
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template <class internT,class externT,class stateT>
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codecvt<internT,externT,stateT>::~codecvt() {}
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template <class internT, class externT, class stateT>
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codecvt_base::result
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codecvt<internT,externT,stateT>::do_out (stateT&,
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const internT*, const internT*, const internT*&,
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externT*, externT*, externT*&) const
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{
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return noconv;
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}
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template <class internT, class externT, class stateT>
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codecvt_base::result
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codecvt<internT,externT,stateT>::do_in (stateT&,
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const externT*, const externT*, const externT*&,
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internT*, internT*, internT*&) const
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{
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return noconv;
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}
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template <class internT, class externT, class stateT>
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codecvt_base::result
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codecvt<internT,externT,stateT>::do_unshift (stateT&,
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externT*, externT*, externT*&) const
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{
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return noconv;
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}
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template <class internT,class externT,class stateT>
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int codecvt<internT,externT,stateT>::do_encoding()
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const _RWSTD_THROW_SPEC_NULL
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{
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return sizeof(internT) == sizeof(externT);
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}
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template <class internT,class externT,class stateT>
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bool codecvt<internT,externT,stateT>::do_always_noconv ()
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const _RWSTD_THROW_SPEC_NULL
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{
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return true;
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}
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template <class internT,class externT,class stateT>
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int codecvt<internT,externT,stateT>::do_length (const stateT&,
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const externT *from, const externT *from_end, size_t max) const
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{
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return min (size_t(from_end-from), max);
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}
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template <class internT,class externT,class stateT>
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int codecvt<internT,externT,stateT>::do_max_length ()
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const _RWSTD_THROW_SPEC_NULL
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{
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return 1;
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}
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template <class internT,class externT,class stateT>
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_TYPENAME codecvt<internT,externT,stateT>::internal_string_type
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codecvt<internT,externT,stateT>::in (const external_string_type &s) const
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{
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// Calculate the number of internT's that will be produced. (I'm not sure
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// what to use for max in the do_length call; too bad char_traits can't tell
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// me.) (This needs to be revised to use separate in and out versions of
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// do_length once someone comes up with the right syntax.)
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int n=1000; // do_length(stateT(0),s.c_str(),s.c_str()+s.length(),
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// numeric_limits<size_t>::max() / do_max_length());
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const externT *unused_from;
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internT *unused_to;
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internT *conversion_buffer=new internT[n];
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stateT stt(0);
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n=do_in(stt,s.c_str(),s.c_str()+s.length(),unused_from,
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conversion_buffer,conversion_buffer+n,unused_to);
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internal_string_type result(conversion_buffer,conversion_buffer+n);
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delete[] conversion_buffer;
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return result;
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}
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// --------------------------------------------------------------
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// Facet codecvt_byname<internT,externT,stateT> member templates.
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// --------------------------------------------------------------
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template <class internT, class externT, class stateT>
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codecvt_byname<internT,externT,stateT>::codecvt_byname
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(const char*, size_t refs):
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codecvt<internT,externT,stateT>(refs)
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{ }
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template <class internT, class externT, class stateT>
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codecvt_byname<internT,externT, stateT>::~codecvt_byname ()
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{ }
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template <class internT, class externT, class stateT>
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codecvt_base::result
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codecvt_byname<internT,externT, stateT>::do_out (stateT&,
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const internT*, const internT*, const internT*&,
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externT*, externT*, externT*&) const
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{
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return codecvt_base::error;
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}
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template <class internT, class externT, class stateT>
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codecvt_base::result
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codecvt_byname<internT,externT, stateT>::do_in (stateT&,
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const externT*, const externT*, const externT*&,
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internT*, internT*, internT*&) const
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{
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return codecvt_base::error;
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}
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template <class internT, class externT, class stateT>
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codecvt_base::result
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codecvt_byname<internT,externT,stateT>::do_unshift (stateT&,
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externT*, externT*, externT*&) const
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{
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return codecvt_base::error;
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}
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template <class internT, class externT, class stateT>
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int codecvt_byname<internT,externT,stateT>::do_encoding () const
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_RWSTD_THROW_SPEC_NULL
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{
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return -1;
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}
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template <class internT, class externT, class stateT>
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bool codecvt_byname<internT,externT,stateT>::do_always_noconv () const
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_RWSTD_THROW_SPEC_NULL
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{
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return false;
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}
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#ifndef _RWSTD_NO_NAMESPACE
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}
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#endif
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#pragma option pop
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#endif /* __CODECVT_CC */
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