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diff --git a/paludis/formatted_pretty_printer.cc b/paludis/formatted_pretty_printer.cc
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+/* vim: set sw=4 sts=4 et foldmethod=syntax : */
+
+/*
+ * Copyright (c) 2010 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
+ */
+
+#include <paludis/formatted_pretty_printer.hh>
+#include <paludis/util/pimp-impl.hh>
+#include <paludis/selection.hh>
+#include <paludis/generator.hh>
+#include <paludis/filtered_generator.hh>
+#include <paludis/filter.hh>
+#include <paludis/environment.hh>
+#include <paludis/package_database.hh>
+#include <paludis/metadata_key.hh>
+#include <paludis/package_id.hh>
+
+using namespace paludis;
+
+namespace paludis
+{
+ template <>
+ struct Imp<FormattedPrettyPrinter>
+ {
+ const Environment * const env;
+ const std::shared_ptr<const PackageID> package_id;
+
+ Imp(const Environment * const e, const std::shared_ptr<const PackageID> & i) :
+ env(e),
+ package_id(i)
+ {
+ }
+ };
+}
+
+FormattedPrettyPrinter::FormattedPrettyPrinter(
+ const Environment * const e,
+ const std::shared_ptr<const PackageID> & i) :
+ Pimp<FormattedPrettyPrinter>(e, i)
+{
+}
+
+FormattedPrettyPrinter::~FormattedPrettyPrinter() = default;
+
+const std::string
+FormattedPrettyPrinter::prettify(const PackageDepSpec & v) const
+{
+ if (_imp->env)
+ {
+ {
+ auto ids((*_imp->env)[selection::SomeArbitraryVersion(generator::Matches(v, { }) |
+ filter::InstalledAtRoot(_imp->env->preferred_root_key()->value()))]);
+ if (! ids->empty())
+ return format_installed(stringify(v));
+ }
+ {
+ auto ids((*_imp->env)[selection::SomeArbitraryVersion(generator::Matches(v, { }) |
+ filter::SupportsAction<InstallAction>() | filter::NotMasked())]);
+ if (! ids->empty())
+ return format_installed(stringify(v));
+ }
+
+ return format_masked(stringify(v));
+ }
+ else
+ return format_plain(stringify(v));
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const BlockDepSpec & v) const
+{
+ if (_imp->env)
+ {
+ {
+ auto ids((*_imp->env)[selection::SomeArbitraryVersion(generator::Matches(v.blocking(), { }) |
+ filter::InstalledAtRoot(_imp->env->preferred_root_key()->value()))]);
+ if (! ids->empty())
+ return format_masked(stringify(v));
+ }
+
+ return format_installable(stringify(v));
+ }
+ else
+ return format_plain(stringify(v));
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const ConditionalDepSpec & v) const
+{
+ if (_imp->env && _imp->package_id)
+ {
+ if (v.condition_met(_imp->env, _imp->package_id))
+ return format_enabled(stringify(v));
+ else
+ return format_disabled(stringify(v));
+ }
+ else
+ return format_plain(stringify(v));
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const NamedSetDepSpec & v) const
+{
+ return format_plain(stringify(v));
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const SimpleURIDepSpec & v) const
+{
+ return format_plain(stringify(v));
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const PlainTextDepSpec & v) const
+{
+ return format_plain(stringify(v));
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const LicenseDepSpec & v) const
+{
+ if (_imp->env && _imp->package_id)
+ {
+ if (_imp->env->accept_license(v.text(), _imp->package_id))
+ return format_enabled(stringify(v));
+ else
+ return format_disabled(stringify(v));
+ }
+ else
+ return format_plain(stringify(v));
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const FetchableURIDepSpec & v) const
+{
+ return format_plain(stringify(v));
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const URILabelsDepSpec & v) const
+{
+ return format_plain(stringify(v));
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const DependenciesLabelsDepSpec & v) const
+{
+ return format_plain(stringify(v));
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const PlainTextLabelDepSpec & v) const
+{
+ return format_plain(stringify(v));
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const std::shared_ptr<const PackageID> & v) const
+{
+ if (_imp->env)
+ {
+ auto repo(_imp->env->package_database()->fetch_repository(v->repository_name()));
+ if (repo->installed_root_key())
+ return format_installed(stringify(*v));
+ else if (! v->masked())
+ return format_installable(stringify(*v));
+ else
+ return format_masked(stringify(*v));
+ }
+ else
+ return format_plain(stringify(*v));
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const bool v) const
+{
+ return format_plain(stringify(v));
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const long v) const
+{
+ return format_plain(stringify(v));
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const std::string & v) const
+{
+ return format_plain(stringify(v));
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const std::pair<const std::string, std::string> & v) const
+{
+ if (v.first.empty())
+ return format_plain(v.second);
+ else
+ return format_plain(v.first + ": " + v.second);
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const FSPath & v) const
+{
+ return format_plain(stringify(v));
+}
+
+const std::string
+FormattedPrettyPrinter::prettify(const KeywordName & v) const
+{
+ if (_imp->env && _imp->package_id)
+ {
+ auto k(std::make_shared<KeywordNameSet>());
+ k->insert(v);
+
+ if (_imp->env->accept_keywords(k, _imp->package_id))
+ return format_enabled(stringify(v));
+ else
+ return format_disabled(stringify(v));
+ }
+ else
+ return format_plain(stringify(v));
+}
+