ceph/src/boost/libs/regex/build/has_icu_test.cpp

   1 /*
   2  *
   3  * Copyright (c) 2010
   4  * John Maddock
   5  *
   6  * Use, modification and distribution are subject to the
   7  * Boost Software License, Version 1.0. (See accompanying file
   8  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9  *
  10  */
  11
  12 #include <unicode/uversion.h>
  13 #include <unicode/utypes.h>
  14 #include <unicode/uchar.h>
  15 #include <unicode/coll.h>
  16 #include <boost/scoped_ptr.hpp>
  17 #include <iostream>
  18 #include <iomanip>
  19
  20 #if defined(_MSC_VER) && !defined(_DLL)
  21 //#error "Mixing ICU with a static runtime doesn't work"
  22 #endif
  23
  24 void print_error(UErrorCode err, const char* func)
  25 {
  26    std::cerr << "Error from function " << func << " with error: " << ::u_errorName(err) << std::endl;
  27 }
  28
  29 int main()
  30 {
  31    // To detect possible binary mismatches between the installed ICU build, and whatever
  32    // C++ std lib's we're using, we need to:
  33    // * Make sure we call ICU C++ API's
  34    // * Make sure we call std lib C++ API's as well (cout).
  35    // * Be sure this program is run, not just built.
  36    UErrorCode err = U_ZERO_ERROR;
  37    UChar32 c = ::u_charFromName(U_UNICODE_CHAR_NAME, "GREEK SMALL LETTER ALPHA", &err);
  38    std::cout << (int)c << std::endl;
  39    if(err > 0)
  40    {
  41       print_error(err, "u_charFromName");
  42       return err;
  43    }
  44    U_NAMESPACE_QUALIFIER Locale l;
  45    boost::scoped_ptr<U_NAMESPACE_QUALIFIER Collator> p_col(U_NAMESPACE_QUALIFIER Collator::createInstance(l, err));
  46    if(err > 0)
  47    {
  48       print_error(err, "Collator::createInstance");
  49       return err;
  50    }
  51    return err > 0 ? err : 0;
  52 }