71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
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/**********
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This library is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the
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Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
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This library is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this library; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**********/
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// "liveMedia"
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// Copyright (c) 1996-2015 Live Networks, Inc. All rights reserved.
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// Support for temporarily setting the locale (e.g., to "C" or "POSIX") for (e.g.) parsing or printing
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// floating-point numbers in protocol headers, or calling toupper()/tolower() on human-input strings.
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// C++ header
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#ifndef _LOCALE_HH
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#define _LOCALE_HH
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// If you're on a system that (for whatever reason) doesn't have either the "setlocale()" or the "newlocale()" function, then
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// add "-DLOCALE_NOT_USED" to your "config.*" file.
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// If you're on a system that (for whatever reason) has "setlocale()" but not "newlocale()", then
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// add "-DXLOCALE_NOT_USED" to your "config.*" file.
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// (Note that -DLOCALE_NOT_USED implies -DXLOCALE_NOT_USED; you do not need both.)
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// Also, for Windows systems, we define "XLOCALE_NOT_USED" by default, because at least some Windows systems
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// (or their development environments) don't have "newlocale()". If, however, your Windows system *does* have "newlocale()",
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// then you can override this by defining "XLOCALE_USED" before #including this file.
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#ifdef XLOCALE_USED
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#undef LOCALE_NOT_USED
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#undef XLOCALE_NOT_USED
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#else
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#if defined(__WIN32__) || defined(_WIN32)
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#define XLOCALE_NOT_USED 1
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#endif
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#endif
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#ifndef LOCALE_NOT_USED
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#include <locale.h>
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#ifndef XLOCALE_NOT_USED
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#include <xlocale.h> // because, on some systems, <locale.h> doesn't include <xlocale.h>; this makes sure that we get both
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#endif
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#endif
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enum LocaleCategory { All, Numeric }; // define and implement more categories later, as needed
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class Locale {
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public:
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Locale(char const* newLocale, LocaleCategory category = All);
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virtual ~Locale();
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private:
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#ifndef LOCALE_NOT_USED
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#ifndef XLOCALE_NOT_USED
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locale_t fLocale, fPrevLocale;
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#else
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int fCategoryNum;
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char* fPrevLocale;
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#endif
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#endif
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};
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#endif
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