* Major rewrite

include/Athena/InvalidOperationException.hpp

@@ -0,0 +1,52 @@
+// This file is part of libAthena.
+//
+// libAthena is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// libAthena is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with libAthena.  If not, see <http://www.gnu.org/licenses/>
+
+#ifndef __INVALID_OPERATION_EXCEPTION_HPP__
+#define __INVALID_OPERATION_EXCEPTION_HPP__
+
+#include <string>
+#include "Exception.hpp"
+
+namespace Athena
+{
+namespace error
+{
+/*! \class InvalidOperationException
+ *  \brief An excpeption thrown on Invalid Operations calls.
+ *
+ *  This should only be thrown when the library tries to
+ *  e.g pass a NULL pointer to a function which requires a valid pointer.
+ *  <br />
+ *  It is <b>NOT</b> appropriate to use <b>throw new</b> so avoid doing so,
+ *  keeping things on the stack as much as possible is very important for speed.
+ */
+class InvalidOperationException : public Exception
+{
+public:
+    /*! \brief The constructor for an InvalidOperationException
+     *  \param error The error message to throw
+     */
+    inline InvalidOperationException(const std::string& message, const std::string& file, const std::string& function, const int line) :
+        Exception(message, file, function, line)
+    {
+    }
+};
+} // error
+} // Athena
+
+#define THROW_INVALID_OPERATION_EXCEPTION(msg) \
+    do  { throw Athena::error::InvalidOperationException("InvalidOperationException: " msg, __FILE__, __PRETTY_FUNCTION__, __LINE__); } while(0)
+
+#endif // __INVALID_OPERATION_EXCEPTION_HPP__