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| author |  Ciaran McCreesh <ciaran.mccreesh@googlemail.com>
| 2011-01-06 13:21:13 +0000 |
|---|---|---|
| committer | Ciaran McCreesh <ciaran.mccreesh@googlemail.com>
| 2011-01-07 11:32:56 +0000 |
| commit | 81ef7b0468950cade215c889d47143db21720695 (patch) | |
| tree | 9fe89084961f1bbf5c35619f82d802e457443b8a /paludis/resolver/reason_utils.cc | |
| parent | 20cc98f89f0208619fa8845d784463f03a7c9234 (diff) | |
| download | paludis-81ef7b0468950cade215c889d47143db21720695.tar.gz paludis-81ef7b0468950cade215c889d47143db21720695.tar.xz | |
Pass ID to match_package
Diffstat (limited to 'paludis/resolver/reason_utils.cc')
| -rw-r--r-- | paludis/resolver/reason_utils.cc | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/paludis/resolver/reason_utils.cc b/paludis/resolver/reason_utils.cc index 063bd7703..724b23c77 100644 --- a/paludis/resolver/reason_utils.cc +++ b/paludis/resolver/reason_utils.cc @@ -1,7 +1,7 @@ /* vim: set sw=4 sts=4 et foldmethod=syntax : */ /* - * Copyright (c) 2010 Ciaran McCreesh + * Copyright (c) 2010, 2011 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 @@ -19,6 +19,7 @@ #include <paludis/resolver/reason_utils.hh> #include <paludis/resolver/reason.hh> +#include <paludis/util/make_null_shared_ptr.hh> using namespace paludis; using namespace paludis::resolver; @@ -67,6 +68,49 @@ namespace return r.reason_for_set()->accept_returning<bool>(*this); } }; + + struct FromIDVisitor + { + std::shared_ptr<const PackageID> visit(const DependencyReason & r) const + { + return r.from_id(); + } + + std::shared_ptr<const PackageID> visit(const DependentReason &) const + { + return make_null_shared_ptr(); + } + + std::shared_ptr<const PackageID> visit(const WasUsedByReason &) const + { + return make_null_shared_ptr(); + } + + std::shared_ptr<const PackageID> visit(const PresetReason &) const + { + return make_null_shared_ptr(); + } + + std::shared_ptr<const PackageID> visit(const ViaBinaryReason &) const + { + return make_null_shared_ptr(); + } + + std::shared_ptr<const PackageID> visit(const TargetReason &) const + { + return make_null_shared_ptr(); + } + + std::shared_ptr<const PackageID> visit(const LikeOtherDestinationTypeReason & r) const + { + return r.reason_for_other()->accept_returning<std::shared_ptr<const PackageID> >(*this); + } + + std::shared_ptr<const PackageID> visit(const SetReason & r) const + { + return r.reason_for_set()->accept_returning<std::shared_ptr<const PackageID> >(*this); + } + }; } bool @@ -76,3 +120,10 @@ paludis::resolver::is_target(const std::shared_ptr<const Reason> & reason) return reason->accept_returning<bool>(v); } +const std::shared_ptr<const PackageID> +paludis::resolver::maybe_from_package_id_from_reason(const std::shared_ptr<const Reason> & reason) +{ + FromIDVisitor v; + return reason->accept_returning<std::shared_ptr<const PackageID> >(v); +} + |