58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
/* vim: set sw=4 sts=4 et foldmethod=syntax : */
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/*
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* Copyright (c) 2007, 2008, 2009, 2010 Ciaran McCreesh
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*
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* This file is part of the Paludis package manager. Paludis is free software;
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* you can redistribute it and/or modify it under the terms of the GNU General
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* Public License version 2, as published by the Free Software Foundation.
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*
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* Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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* Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <paludis/comma_separated_dep_parser.hh>
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#include <paludis/util/tokeniser.hh>
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#include <paludis/util/strip.hh>
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#include <paludis/util/exception.hh>
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#include <paludis/util/options.hh>
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#include <paludis/dep_spec.hh>
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#include <paludis/user_dep_spec.hh>
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#include <paludis/spec_tree.hh>
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#include <list>
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using namespace paludis;
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std::shared_ptr<const DependencySpecTree>
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CommaSeparatedDepParser::parse(const Environment * const env, const std::string & s)
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{
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Context context("When parsing '" + s + "':");
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std::shared_ptr<DependencySpecTree> result(std::make_shared<DependencySpecTree>(std::make_shared<AllDepSpec>()));
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std::list<std::string> tokens;
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tokenise<delim_kind::AnyOfTag, delim_mode::DelimiterTag>(s, ",", "", std::back_inserter(tokens));
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for (std::list<std::string>::const_iterator t(tokens.begin()), t_end(tokens.end()) ;
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t != t_end ; ++t)
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{
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std::string a(strip_leading(strip_trailing(*t, " \t\r\n"), " \t\r\n"));
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Context local_context("When parsing token '" + a + "':");
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if (a.empty())
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continue;
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std::shared_ptr<PackageDepSpec> spec(std::make_shared<PackageDepSpec>(parse_user_package_dep_spec(a, env, { updso_no_disambiguation })));
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result->top()->append(spec);
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}
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return result;
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}
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