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Subject: [Boost-users] Boost 1.49 Locale Conversion failed
From: NtVisigoth (ntvisigoth_at_[hidden])
Date: 2012-07-10 05:36:32


Hello, everyone!

I have already answred here:
http://lists.boost.org/boost-users/2012/07/75097.php
But previous latter badly typed.

When using boost::locale with the russian language of the string in UTF-8
encoding I get an error while getting the locale.
An exception with the message e.what(): "Conversion failed" is thrown

My code is not very different from that in the examples:

#define TR(S) boost::locale::translate(S).str()
const std::string strDefaultLangId( "en" );
int main( int argc, char * argv[] )
{
    using namespace std;
    using namespace boost::locale;
    int exitCode = EXIT_SUCCESS;
    try
    {
        generator gen;
        gen.add_messages_path("g:\\source\\boost_locale\\languages\\");
        gen.add_messages_domain("messages");
        std::string language( argc == 2 ? argv[1] :
strDefaultLangId.c_str() );
        std::locale loc = gen( language );
        locale::global( loc );
        std::wstring s = TR(L"hello world");
        wcout << s << endl;
    }
    catch( exception& e )
    {
        cout << "Error : " << e.what() << endl;
        exitCode = EXIT_FAILURE;
    }
    catch( ... )
    {
        cout << "Unknown error" << endl;
        exitCode = EXIT_FAILURE;
    }
    return exitCode;
}

The path to the file with the russian language:
"g:\source\boost_locale\languages\ru\LC_MESSAGES\messages.mo"

What could be wrong?
* Is it necessary to use the backends?
* Is it yet necessary to call imbue on the stream? But I'd like avoid it
because I am going to write the log using glog.

Compillers : Microsoft Visual Studio 2008 and 2010
Boost version : 1.49



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