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- // -*- Mode: c++; c-basic-offset: 4; tab-width: 4; -*-
-
- /******************************************************************************
- *
- * file: ArgTraits.h
- *
- * Copyright (c) 2007, Daniel Aarno, Michael E. Smoot .
- * All rights reverved.
- *
- * 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_ARGTRAITS_H
- #define TCLAP_ARGTRAITS_H
-
- namespace TCLAP {
-
- // We use two empty structs to get compile type specialization
- // function to work
-
- /**
- * A value like argument value type is a value that can be set using
- * operator>>. This is the default value type.
- */
- struct ValueLike {
- typedef ValueLike ValueCategory;
- virtual ~ValueLike() {}
- };
-
- /**
- * A string like argument value type is a value that can be set using
- * operator=(string). Usefull if the value type contains spaces which
- * will be broken up into individual tokens by operator>>.
- */
- struct StringLike {
- virtual ~StringLike() {}
- };
-
- /**
- * A class can inherit from this object to make it have string like
- * traits. This is a compile time thing and does not add any overhead
- * to the inherenting class.
- */
- struct StringLikeTrait {
- typedef StringLike ValueCategory;
- virtual ~StringLikeTrait() {}
- };
-
- /**
- * A class can inherit from this object to make it have value like
- * traits. This is a compile time thing and does not add any overhead
- * to the inherenting class.
- */
- struct ValueLikeTrait {
- typedef ValueLike ValueCategory;
- virtual ~ValueLikeTrait() {}
- };
-
- /**
- * Arg traits are used to get compile type specialization when parsing
- * argument values. Using an ArgTraits you can specify the way that
- * values gets assigned to any particular type during parsing. The two
- * supported types are StringLike and ValueLike.
- */
- template<typename T>
- struct ArgTraits {
- typedef typename T::ValueCategory ValueCategory;
- virtual ~ArgTraits() {}
- //typedef ValueLike ValueCategory;
- };
-
- #endif
-
- } // namespace
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