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+/* vim: set sw=4 sts=4 et foldmethod=syntax : */
+
+/*
+ * Copyright (c) 2005, 2006 Ciaran McCreesh <ciaranm@ciaranm.org>
+ *
+ * This file is part of the Paludis package manager. Paludis is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU General
+ * Public License version 2, as published by the Free Software Foundation.
+ *
+ * Paludis 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
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef PALUDIS_GUARD_ARGS_ARGS_ERROR_HH
+#define PALUDIS_GUARD_ARGS_ARGS_ERROR_HH 1
+
+#include <paludis/util/exception.hh>
+#include <string>
+
+/** \file
+ * Declaration for ArgsError.
+ *
+ * \ingroup grplibpaludisargs
+ */
+
+namespace paludis
+{
+ namespace args
+ {
+ /**
+ * Thrown if an invalid command line argument is provided.
+ *
+ * \ingroup grplibpaludisargs
+ * \ingroup grpexceptions
+ */
+ class PALUDIS_VISIBLE ArgsError :
+ public paludis::Exception
+ {
+ protected:
+ /**
+ * Constructor.
+ */
+ ArgsError(const std::string & message) throw ();
+ };
+
+ /**
+ * Thrown if an invalid parameter is passed to a valid command line argument.
+ *
+ * \ingroup grplibpaludisargs
+ * \ingroup grpexceptions
+ */
+ class PALUDIS_VISIBLE BadValue :
+ public ArgsError
+ {
+ public:
+ /**
+ * Constructor
+ */
+ BadValue(const std::string& option, const std::string& value) throw();
+ };
+
+ /**
+ * Thrown if an argument is specified that needs a parameter,
+ * but no parameter is given.
+ *
+ * \ingroup grplibpaludisargs
+ * \ingroup grpexceptions
+ */
+ class PALUDIS_VISIBLE MissingValue :
+ public ArgsError
+ {
+ public:
+ /**
+ * Constructor.
+ */
+ MissingValue(const std::string & arg) throw ();
+ };
+ }
+}
+
+#endif