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+/* vim: set sw=4 sts=4 et foldmethod=syntax : */
+
+/*
+ * Copyright (c) 2008 Ciaran McCreesh
+ *
+ * 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_PALUDIS_REPOSITORIES_E_MYOPTIONS_REQUIREMENTS_VERIFIER_HH
+#define PALUDIS_GUARD_PALUDIS_REPOSITORIES_E_MYOPTIONS_REQUIREMENTS_VERIFIER_HH 1
+
+#include <paludis/repositories/e/e_repository_id.hh>
+#include <paludis/util/visitor.hh>
+#include <paludis/util/sequence.hh>
+#include <paludis/util/private_implementation_pattern.hh>
+#include <paludis/util/attributes.hh>
+#include <paludis/dep_spec.hh>
+#include <paludis/dep_tree.hh>
+#include <tr1/memory>
+
+namespace paludis
+{
+ namespace erepository
+ {
+ class PALUDIS_VISIBLE MyOptionsRequirementsVerifier :
+ private PrivateImplementationPattern<MyOptionsRequirementsVerifier>,
+ public ConstVisitor<PlainTextSpecTree>
+ {
+ public:
+ MyOptionsRequirementsVerifier(const std::tr1::shared_ptr<const ERepositoryID> &);
+ ~MyOptionsRequirementsVerifier();
+
+ const std::tr1::shared_ptr<const Sequence<std::string> > unmet_requirements() const PALUDIS_ATTRIBUTE((warn_unused_result));
+
+ void visit_leaf(const PlainTextLabelDepSpec &);
+
+ void visit_leaf(const PlainTextDepSpec &);
+
+ void visit_sequence(const ConditionalDepSpec &,
+ PlainTextSpecTree::ConstSequenceIterator,
+ PlainTextSpecTree::ConstSequenceIterator
+ );
+
+ void visit_sequence(const AllDepSpec &,
+ PlainTextSpecTree::ConstSequenceIterator,
+ PlainTextSpecTree::ConstSequenceIterator
+ );
+ };
+ }
+
+#ifdef PALUDIS_HAVE_EXTERN_TEMPLATE
+ extern template class PrivateImplementationPattern<erepository::MyOptionsRequirementsVerifier>;
+#endif
+}
+
+#endif