Added TClap command line parsing library

src/tclap/ArgTraits.h

@@ -0,0 +1,87 @@
+// -*- 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