diff --git a/src/wkt/wkt_factory.cpp b/src/wkt/wkt_factory.cpp new file mode 100644 index 000000000..acb388434 --- /dev/null +++ b/src/wkt/wkt_factory.cpp @@ -0,0 +1,47 @@ +/***************************************************************************** + * + * This file is part of Mapnik (c++ mapping toolkit) + * + * Copyright (C) 2016 Artem Pavlenko + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + *****************************************************************************/ + +// mapnik +#include +#include + +namespace mapnik { + +bool from_wkt(std::string const& wkt, mapnik::geometry::geometry & geom) +{ + using namespace boost::spirit; + x3::ascii::space_type space; + std::string::const_iterator itr = wkt.begin(); + std::string::const_iterator end = wkt.end(); + bool result; + try + { + result = x3::phrase_parse(itr, end, wkt_grammar(), space, geom); + } + catch (x3::expectation_failure const& ex) + { + return false; + } + return result && itr==end; +} + +}