67 lines
2.2 KiB
C++
67 lines
2.2 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) 2012 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_transform.hpp>
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#include <mapnik/transform_expression_grammar.hpp>
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#include <mapnik/transform_processor.hpp>
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#include <mapnik/debug.hpp>
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#include <boost/make_shared.hpp>
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namespace mapnik {
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transform_list_ptr parse_transform(std::string const& str)
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{
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return parse_transform(str, "utf-8");
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}
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transform_list_ptr parse_transform(std::string const& str, std::string const& encoding)
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{
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transform_list_ptr tl = boost::make_shared<transform_list>();
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transcoder tc(encoding);
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expression_grammar<std::string::const_iterator> ge(tc);
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transform_expression_grammar_string gte(ge);
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if (!parse_transform(*tl, str, gte))
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{
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tl.reset();
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}
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return tl;
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}
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bool parse_transform(transform_list& transform,
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std::string const& str,
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transform_expression_grammar_string 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_type(), transform);
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#ifdef MAPNIK_LOG
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MAPNIK_LOG_DEBUG(load_map) << "map_parser: Parsed transform [ "
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<< transform_processor_type::to_string(transform) << " ]";
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#endif
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return (r && itr==end);
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}
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} // namespace mapnik
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