liveMedia/Locale.cpp

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00001 /**********
00002 This library is free software; you can redistribute it and/or modify it under
00003 the terms of the GNU Lesser General Public License as published by the
00004 Free Software Foundation; either version 2.1 of the License, or (at your
00005 option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
00006 
00007 This library is distributed in the hope that it will be useful, but WITHOUT
00008 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00009 FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
00010 more details.
00011 
00012 You should have received a copy of the GNU Lesser General Public License
00013 along with this library; if not, write to the Free Software Foundation, Inc.,
00014 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
00015 **********/
00016 // "liveMedia"
00017 // Copyright (c) 1996-2012 Live Networks, Inc.  All rights reserved.
00018 // Support for temporarily setting the locale (e.g., to "C" or "POSIX") for (e.g.) parsing or printing
00019 // floating-point numbers in protocol headers, or calling toupper()/tolower() on human-input strings.
00020 // Implementation
00021 
00022 #include "Locale.hh"
00023 #include <strDup.hh>
00024 
00025 Locale::Locale(char const* newLocale, LocaleCategory category) {
00026 #ifndef LOCALE_NOT_USED
00027 #ifndef XLOCALE_NOT_USED
00028   int categoryMask;
00029   switch (category) {
00030     case All: { categoryMask = LC_ALL_MASK; break; }
00031     case Numeric: { categoryMask = LC_NUMERIC_MASK; break; }
00032   }
00033   fLocale = newlocale(categoryMask, newLocale, NULL);
00034   fPrevLocale = uselocale(fLocale);
00035 #else
00036   switch (category) {
00037     case All: { fCategoryNum = LC_ALL; break; }
00038     case Numeric: { fCategoryNum = LC_NUMERIC; break; }
00039   }
00040   fPrevLocale = strDup(setlocale(fCategoryNum, NULL));
00041   setlocale(fCategoryNum, newLocale);
00042 #endif
00043 #endif
00044 }
00045 
00046 Locale::~Locale() {
00047 #ifndef LOCALE_NOT_USED
00048 #ifndef XLOCALE_NOT_USED
00049   if (fLocale != (locale_t)0) {
00050     uselocale(fPrevLocale);
00051     freelocale(fLocale);
00052   }
00053 #else
00054   if (fPrevLocale != NULL) {
00055     setlocale(fCategoryNum, fPrevLocale);
00056     delete[] fPrevLocale;
00057   }
00058 #endif
00059 #endif
00060 }

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