tclap: ArgTraits.h Source File

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# ArgTraits.h

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    00001 // -*- Mode: c++; c-basic-offset: 4; tab-width: 4; -*-
    00002
    00003 /******************************************************************************
    00004  *
    00005  *  file:  ArgTraits.h
    00006  *
    00007  *  Copyright (c) 2007, Daniel Aarno, Michael E. Smoot .
    00008  *  All rights reverved.
    00009  *
    00010  *  See the file COPYING in the top directory of this distribution for
    00011  *  more information.
    00012  *
    00013  *  THE SOFTWARE IS PROVIDED _AS IS_, WITHOUT WARRANTY OF ANY KIND, EXPRESS
    00014  *  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00015  *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
    00016  *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00017  *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
    00018  *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
    00019  *  DEALINGS IN THE SOFTWARE.
    00020  *
    00021  *****************************************************************************/
    00022
    00023 // This is an internal tclap file, you should probably not have to
    00024 // include this directly
    00025
    00026 #ifndef TCLAP_ARGTRAITS_H
    00027 #define TCLAP_ARGTRAITS_H
    00028
    00029 namespace TCLAP {
    00030
    00031 // We use two empty structs to get compile type specialization
    00032 // function to work
    00033
    00038 struct ValueLike {
    00039     typedef ValueLike ValueCategory;
    00040 };
    00041
    00047 struct StringLike {};
    00048
    00054 struct StringLikeTrait {
    00055     typedef StringLike ValueCategory;
    00056 };
    00057
    00063 struct ValueLikeTrait {
    00064     typedef ValueLike ValueCategory;
    00065 };
    00066
    00073 template<typename T>
    00074 struct ArgTraits {
    00075     typedef typename T::ValueCategory ValueCategory;
    00076     //using ValueCategory = ValueLike;
    00077 };
    00078
    00079 #endif
    00080
    00081 } // namespace