main page Faq Report bug Feature request Download Doc C++ Modules Namespaces Classes Alphabetical Compound List Files Members Files Members Examples Related Page ximol/encoders/encoders.cpp Go to the documentation of this file. /*****************************************************************************\ * * * library XiMoL * * Copyright (C) 2002, 2003, 2004 Florent Tournois * * * * This library is free software; you can redistribute it and/or * * modify it under the terms of the GNU Lesser General Public * * License as published by the Free Software Foundation; either * * version 2.1 of the License, or (at your option) any later version. * * * * This library is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * * Lesser General Public License for more details. * * * * You should have received a copy of the GNU Lesser General Public * * License along with this library; if not, write to the Free Software * * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * * \*****************************************************************************/ //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ /** \file \brief Facet access (implementation). \author Tournois Florent \version 1.0 $Id: encoders.cpp,v 1.12 2004/02/22 10:27:34 tournois Exp $ $Log: encoders.cpp,v $ Revision 1.12 2004/02/22 10:27:34 tournois Add some doc. Revision 1.11 2004/02/22 09:54:20 tournois Change years on the copyright. Revision 1.10 2003/11/18 18:54:51 tournois Add str_cast and drop the transformation.hpp file. Revision 1.9 2003/11/16 13:25:25 tournois Change the error to use wide string. Change the translation to use wide string. Revision 1.8 2003/11/02 19:23:01 tournois Go to the boost coding standard. Change all name to lower case. Revision 1.7 2003/10/25 18:17:38 hfp *** empty log message *** Revision 1.6 2003/10/25 13:53:39 hfp review and separation Revision 1.5 2003/10/13 21:01:20 tournois no message Revision 1.4 2003/10/09 16:59:45 tournois add the stringstream initialisation. add some prolog test. Correct code for VC6.0. Revision 1.3 2003/10/03 17:29:41 tournois no message Revision 1.2 2003/09/24 08:28:17 tournois Create the namespace Encoders, Parser, Xml Change the library organization. add VC7.1 project for this organization. */ //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ #include <ximol/encoders/encoders.hpp> #include <ximol/encoders/error.hpp> #include <ximol/translation.hpp> #include <ximol/codecvt.hpp> XIMOL_ENCODERS_BEGIN_NAMESPACE //----------------------------------------------------------------------------- // Interface for the ximol_encoders. //----------------------------------------------------------------------------- ::std::codecvt<xchar_t, char, mbstate_t>* get_ximol_facet(::std::string const& encoding_name) { return new XIMOL_NAMESPACE_PATH::codecvt(encoding_name); } //----------------------------------------------------------------------------- // place with new placement. //----------------------------------------------------------------------------- void place_ximol_facet(::std::codecvt<xchar_t, char, mbstate_t>* placement, ::std::string const & encoding_name) { new (placement) XIMOL_NAMESPACE_PATH::codecvt(encoding_name); } //----------------------------------------------------------------------------- // Change encoding on a unique facet. //----------------------------------------------------------------------------- void change_ximol_facet_encoding(::std::codecvt<xchar_t, char, mbstate_t>* facet, ::std::string const & encoding_name) { if (facet==NULL) return; XIMOL_NAMESPACE_PATH::codecvt* the_facet=dynamic_cast<XIMOL_NAMESPACE_PATH::codecvt*>(facet); // XIMOL_NAMESPACE_PATH::codecvt* the_facet=static_cast<XIMOL_NAMESPACE_PATH::codecvt*>(facet); if (the_facet==NULL) XIMOL_ENCODERS_THROW << _(L"XiMoL Encoder facet problem. ") << _(L"We can not retrive the XiMoL facet pointer. ") << _(L"And then, the encoding can not be changed to '%o'. ", encoding_name ) << XIMOL_ENCODERS_AS_ERROR; the_facet->delete_encoding(); the_facet->create_encoding(encoding_name); } //----------------------------------------------------------------------------- // change the encoding. //----------------------------------------------------------------------------- void deep_change(::std::basic_ios<xchar_t>& ios, ::std::string const & encoding_name) { typedef ::std::codecvt<xchar_t,char,mbstate_t> FacetType; const FacetType* pfacet=&(XIMOL_USE_FACET(ios.getloc(),FacetType)); // Warning there is a const cast. FacetType* the_facet=const_cast<FacetType*>(pfacet); change_ximol_facet_encoding(the_facet,encoding_name); } //----------------------------------------------------------------------------- // prepare ios. //----------------------------------------------------------------------------- void prepare_ios(::std::basic_ios<xchar_t>& ios, ::std::string const & encoding_name) { ios.imbue(XIMOL_ADD_FACET(ios.getloc(), get_ximol_facet(encoding_name))); } //----------------------------------------------------------------------------- // test ios. //----------------------------------------------------------------------------- bool test_ios(::std::basic_ios<xchar_t> & ios) { typedef ::std::codecvt<xchar_t,char,mbstate_t> FacetType; const FacetType* pfacet=&(XIMOL_USE_FACET(ios.getloc(),FacetType)); return NULL != dynamic_cast<const XIMOL_NAMESPACE_PATH::codecvt*>(pfacet); } XIMOL_ENCODERS_END_NAMESPACE

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