liveMedia/Locale.cpp

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/**********
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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.

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along with this library; if not, write to the Free Software Foundation, Inc.,
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**********/
// "liveMedia"
// Copyright (c) 1996-2012 Live Networks, Inc.  All rights reserved.
// Support for temporarily setting the locale (e.g., to "C" or "POSIX") for (e.g.) parsing or printing
// floating-point numbers in protocol headers, or calling toupper()/tolower() on human-input strings.
// Implementation

#include "Locale.hh"
#include <strDup.hh>

Locale::Locale(char const* newLocale, LocaleCategory category) {
#ifndef LOCALE_NOT_USED
#ifndef XLOCALE_NOT_USED
  int categoryMask;
  switch (category) {
    case All: { categoryMask = LC_ALL_MASK; break; }
    case Numeric: { categoryMask = LC_NUMERIC_MASK; break; }
  }
  fLocale = newlocale(categoryMask, newLocale, NULL);
  fPrevLocale = uselocale(fLocale);
#else
  switch (category) {
    case All: { fCategoryNum = LC_ALL; break; }
    case Numeric: { fCategoryNum = LC_NUMERIC; break; }
  }
  fPrevLocale = strDup(setlocale(fCategoryNum, NULL));
  setlocale(fCategoryNum, newLocale);
#endif
#endif
}

Locale::~Locale() {
#ifndef LOCALE_NOT_USED
#ifndef XLOCALE_NOT_USED
  if (fLocale != (locale_t)0) {
    uselocale(fPrevLocale);
    freelocale(fLocale);
  }
#else
  if (fPrevLocale != NULL) {
    setlocale(fCategoryNum, fPrevLocale);
    delete[] fPrevLocale;
  }
#endif
#endif
}

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