58 lines
2 KiB
C++
58 lines
2 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2011 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#include <mapnik/parse_path.hpp>
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#include <mapnik/path_expression_grammar.hpp>
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#include <boost/make_shared.hpp>
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namespace mapnik {
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path_expression_ptr parse_path(std::string const & str)
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{
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path_expression_ptr path = boost::make_shared<path_expression>();
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path_expression_grammar<std::string::const_iterator> g;
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std::string::const_iterator itr = str.begin();
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std::string::const_iterator end = str.end();
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bool r = qi::phrase_parse(itr, end, g, space, *path);
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if (r && itr == end)
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{
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return path;
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}
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else
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{
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throw std::runtime_error("Failed to parse path expression");
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}
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}
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bool parse_path_from_string(path_expression_ptr const& path,
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std::string const & str,
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path_expression_grammar<std::string::const_iterator> const& g)
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{
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std::string::const_iterator itr = str.begin();
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std::string::const_iterator end = str.end();
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bool r = qi::phrase_parse(itr, end, g, space, *path);
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return (r && itr==end);
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}
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}
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