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ximol/str_cast.cppGo to the documentation of this file.00001 /*****************************************************************************\ 00002 * * 00003 * library XiMoL * 00004 * Copyright (C) 2002, 2003, 2004 Florent Tournois * 00005 * * 00006 * This library is free software; you can redistribute it and/or * 00007 * modify it under the terms of the GNU Lesser General Public * 00008 * License as published by the Free Software Foundation; either * 00009 * version 2.1 of the License, or (at your option) any later version. * 00010 * * 00011 * This library is distributed in the hope that it will be useful, * 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00014 * Lesser General Public License for more details. * 00015 * * 00016 * You should have received a copy of the GNU Lesser General Public * 00017 * License along with this library; if not, write to the Free Software * 00018 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * 00019 * * 00020 \*****************************************************************************/ 00021 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 00022 /** \file 00023 \brief cast to string implementation. 00024 00025 \author Tournois Florent 00026 \version 1.0 00027 00028 $Id: str_cast.cpp,v 1.4 2004/02/22 10:27:32 tournois Exp $ 00029 $Log: str_cast.cpp,v $ 00030 Revision 1.4 2004/02/22 10:27:32 tournois 00031 Add some doc. 00032 00033 Revision 1.3 2004/02/22 09:54:19 tournois 00034 Change years on the copyright. 00035 00036 Revision 1.2 2003/11/27 15:31:55 hfp 00037 partially adapted to vc6. 00038 00039 Revision 1.1 2003/11/18 18:54:51 tournois 00040 Add str_cast and drop the transformation.hpp file. 00041 00042 00043 */ 00044 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 00045 #include <ximol/str_cast.hpp> 00046 #include <ximol/macros.hpp> 00047 #include <algorithm> 00048 #include <functional> 00049 #include <locale> 00050 00051 XIMOL_BEGIN_PRIVATE_NAMESPACE 00052 00053 wchar_t to_wide_char(char c) 00054 { 00055 using namespace std; 00056 typedef ctype<wchar_t> ctype_facet; 00057 static const ctype_facet & the_facet = XIMOL_USE_FACET(::std::locale::classic(), ctype_facet); 00058 return the_facet.widen(c); 00059 }; 00060 00061 char to_narrow_char(wchar_t xc) 00062 { 00063 using namespace std; 00064 typedef ctype<wchar_t> ctype_facet; 00065 static const ctype_facet & the_facet = XIMOL_USE_FACET(::std::locale::classic(), ctype_facet); 00066 return the_facet.narrow(xc,' '); 00067 }; 00068 00069 XIMOL_END_PRIVATE_NAMESPACE 00070 00071 XIMOL_BEGIN_NAMESPACE 00072 00073 //----------------------------------------------------------------------------- 00074 // 00075 //----------------------------------------------------------------------------- 00076 char converter<char, wchar_t>::get(wchar_t xc) 00077 { 00078 return to_narrow_char(xc); 00079 }; 00080 00081 //----------------------------------------------------------------------------- 00082 // 00083 //----------------------------------------------------------------------------- 00084 ::std::string converter<char, wchar_t>::get(const ::std::wstring & wstr) 00085 { 00086 using namespace std; 00087 string str; 00088 str.resize(wstr.length()); 00089 transform(wstr.begin(),wstr.end(),str.begin(),ptr_fun(to_narrow_char)); 00090 return str; 00091 }; 00092 00093 //----------------------------------------------------------------------------- 00094 // 00095 //----------------------------------------------------------------------------- 00096 char converter<char, char>::get(char c) 00097 { 00098 return c; 00099 }; 00100 00101 //----------------------------------------------------------------------------- 00102 // 00103 //----------------------------------------------------------------------------- 00104 ::std::string converter<char, char>::get(const ::std::string& str_) 00105 { 00106 return str_; 00107 }; 00108 00109 //----------------------------------------------------------------------------- 00110 // 00111 //----------------------------------------------------------------------------- 00112 wchar_t converter<wchar_t, char>::get(char c) 00113 { 00114 return to_wide_char(c); 00115 00116 }; 00117 00118 //----------------------------------------------------------------------------- 00119 // 00120 //----------------------------------------------------------------------------- 00121 ::std::wstring converter<wchar_t, char>::get(const ::std::string& str_) 00122 { 00123 using namespace std; 00124 wstring wstr; 00125 wstr.resize(str_.length()); 00126 transform(str_.begin(), str_.end(), wstr.begin(), ptr_fun(to_wide_char)); 00127 return wstr; 00128 } 00129 00130 //----------------------------------------------------------------------------- 00131 // 00132 //----------------------------------------------------------------------------- 00133 wchar_t converter<wchar_t, wchar_t>::get(wchar_t xc) 00134 { 00135 return xc; 00136 }; 00137 00138 //----------------------------------------------------------------------------- 00139 // 00140 //----------------------------------------------------------------------------- 00141 ::std::wstring converter<wchar_t, wchar_t>::get(const ::std::wstring & wstr) 00142 { 00143 return wstr; 00144 }; 00145 00146 XIMOL_END_NAMESPACE |
