StandardTraits.h

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// -*- Mode: c++; c-basic-offset: 4; tab-width: 4; -*-

/******************************************************************************
 *
 *  file:  StandardTraits.h
 *
 *  Copyright (c) 2007, Daniel Aarno, Michael E. Smoot .
 *  Copyright (c) 2017, Google LLC
 *  All rights reserved.
 *
 *  See the file COPYING in the top directory of this distribution for
 *  more information.
 *
 *  THE SOFTWARE IS PROVIDED _AS IS_, WITHOUT WARRANTY OF ANY KIND, EXPRESS
 *  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 *  DEALINGS IN THE SOFTWARE.
 *
 *****************************************************************************/

// This is an internal tclap file, you should probably not have to
// include this directly

#ifndef TCLAP_STANDARD_TRAITS_H
#define TCLAP_STANDARD_TRAITS_H

#ifdef HAVE_CONFIG_H
#include <config.h> // To check for long long
#endif

// If Microsoft has already typedef'd wchar_t as an unsigned 
// short, then compiles will break because it's as if we're
// creating ArgTraits twice for unsigned short. Thus...
#ifdef _MSC_VER
#ifndef _NATIVE_WCHAR_T_DEFINED
#define TCLAP_DONT_DECLARE_WCHAR_T_ARGTRAITS
#endif
#endif

namespace TCLAP {

// Integer types (signed, unsigned and bool) and floating point types all
// have value-like semantics.

// Strings have string like argument traits.
template<>
struct ArgTraits<std::string> {
    typedef StringLike ValueCategory;
};

template<typename T>
void SetString(T &dst, const std::string &src)
{
    dst = src;
}

} // namespace

#endif