78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
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/*****************************************************************************
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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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// mapnik
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#include <mapnik/formatting/base.hpp>
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#include <mapnik/formatting/list.hpp>
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#include <mapnik/formatting/text.hpp>
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#include <mapnik/formatting/expression.hpp>
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#include <mapnik/formatting/format.hpp>
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// boost
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#include <boost/property_tree/ptree.hpp>
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namespace mapnik {
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namespace formatting {
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void node::to_xml(boost::property_tree::ptree &xml) const
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{
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//TODO: Should this throw a config_error?
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#ifdef MAPNIK_DEBUG
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std::cerr << "Error: Trying to write unsupported node type to XML.\n";
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#endif
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}
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node_ptr node::from_xml(boost::property_tree::ptree const& xml)
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{
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list_node *list = new list_node();
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node_ptr list_ptr(list);
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boost::property_tree::ptree::const_iterator itr = xml.begin();
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boost::property_tree::ptree::const_iterator end = xml.end();
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for (; itr != end; ++itr) {
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node_ptr n;
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if (itr->first == "<xmltext>") {
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n = text_node::from_xml(itr->second);
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} else if (itr->first == "Format") {
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n = format_node::from_xml(itr->second);
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} else if (itr->first == "ExpressionFormat") {
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n = expression_format::from_xml(itr->second);
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} else if (itr->first != "<xmlcomment>" && itr->first != "<xmlattr>" && itr->first != "Placement") {
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throw config_error("Unknown item " + itr->first);
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}
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if (n) list->push_back(n);
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}
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if (list->get_children().size() == 1) {
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return list->get_children()[0];
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} else if (list->get_children().size() > 1) {
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return list_ptr;
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} else {
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return node_ptr();
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}
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}
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void node::add_expressions(expression_set &output) const
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{
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//Do nothing by default
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}
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} //ns formatting
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} //ns mapnik
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