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-rw-r--r--paludis/comma_separated_dep_parser.cc59
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diff --git a/paludis/comma_separated_dep_parser.cc b/paludis/comma_separated_dep_parser.cc
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+/* vim: set sw=4 sts=4 et foldmethod=syntax : */
+
+/*
+ * Copyright (c) 2007, 2008, 2009, 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/comma_separated_dep_parser.hh>
+#include <paludis/util/tokeniser.hh>
+#include <paludis/util/strip.hh>
+#include <paludis/util/exception.hh>
+#include <paludis/util/options.hh>
+#include <paludis/util/make_shared_ptr.hh>
+#include <paludis/dep_spec.hh>
+#include <paludis/user_dep_spec.hh>
+#include <paludis/spec_tree.hh>
+#include <list>
+
+using namespace paludis;
+
+std::tr1::shared_ptr<const DependencySpecTree>
+CommaSeparatedDepParser::parse(const Environment * const env, const std::string & s)
+{
+ Context context("When parsing '" + s + "':");
+
+ std::tr1::shared_ptr<DependencySpecTree> result(new DependencySpecTree(make_shared_ptr(new AllDepSpec)));
+
+ std::list<std::string> tokens;
+ tokenise<delim_kind::AnyOfTag, delim_mode::DelimiterTag>(s, ",", "", std::back_inserter(tokens));
+
+ for (std::list<std::string>::const_iterator t(tokens.begin()), t_end(tokens.end()) ;
+ t != t_end ; ++t)
+ {
+ std::string a(strip_leading(strip_trailing(*t, " \t\r\n"), " \t\r\n"));
+ Context local_context("When parsing token '" + a + "':");
+
+ if (a.empty())
+ continue;
+
+ std::tr1::shared_ptr<PackageDepSpec> spec(new PackageDepSpec(parse_user_package_dep_spec(a, env,
+ UserPackageDepSpecOptions() + updso_no_disambiguation)));
+ result->root()->append(spec);
+ }
+
+ return result;
+}
+