tstring.h

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// -*- C++ -*-
// Module:  Log4CPLUS
// File:    tstring.h
// Created: 4/2003
// Author:  Tad E. Smith
//
//
// Copyright 2003-2017 Tad E. Smith
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#ifndef LOG4CPLUS_TSTRING_HEADER_
#define LOG4CPLUS_TSTRING_HEADER_
 
#include <log4cplus/config.hxx>
 
#if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
#pragma once
#endif
 
#include <string>
#include <log4cplus/tchar.h>
 
namespace log4cplus
{
 
typedef std::basic_string<tchar> tstring;
 
 
namespace helpers
{
 
inline
std::string
tostring (char const * str)
{
    return std::string (str);
}
 
inline
std::string
tostring (std::string const & str)
{
    return str;
}
 
inline
std::string const &
tostring (std::string & str)
{
    return str;
}
 
inline
std::string
tostring (std::string && str)
{
    return std::move (str);
}
 
 
inline
std::wstring
towstring (wchar_t const * str)
{
    return std::wstring (str);
}
 
inline
std::wstring
towstring (std::wstring const & str)
{
    return str;
}
 
inline
std::wstring const &
towstring (std::wstring & str)
{
    return str;
}
 
inline
std::wstring
towstring (std::wstring && str)
{
    return std::move (str);
}
 
 
LOG4CPLUS_EXPORT std::string tostring(const std::wstring&);
LOG4CPLUS_EXPORT std::string tostring(wchar_t const *);
 
LOG4CPLUS_EXPORT std::wstring towstring(const std::string&);
LOG4CPLUS_EXPORT std::wstring towstring(char const *);
 
} // namespace helpers
 
#ifdef UNICODE
 
#define LOG4CPLUS_C_STR_TO_TSTRING(STRING) log4cplus::helpers::towstring(STRING)
#define LOG4CPLUS_STRING_TO_TSTRING(STRING) log4cplus::helpers::towstring(STRING)
#define LOG4CPLUS_TSTRING_TO_STRING(STRING) log4cplus::helpers::tostring(STRING)
 
#else // UNICODE
 
#define LOG4CPLUS_C_STR_TO_TSTRING(STRING) (std::string(STRING))
#define LOG4CPLUS_STRING_TO_TSTRING(STRING) STRING
#define LOG4CPLUS_TSTRING_TO_STRING(STRING) STRING
 
#endif // UNICODE
 
} // namespace log4cplus
 
 
#endif // LOG4CPLUS_TSTRING_HEADER_