143 lines
3.8 KiB
C++
143 lines
3.8 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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#ifndef MAPNIK_XML_NODE_H
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#define MAPNIK_XML_NODE_H
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//mapnik
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#include <mapnik/boolean.hpp>
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//boost
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#include <boost/optional.hpp>
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//stl
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#include <list>
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#include <string>
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#include <map>
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#include <exception>
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namespace mapnik
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{
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class xml_tree;
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class xml_attribute
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{
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public:
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xml_attribute(std::string const& value);
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std::string value;
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mutable bool processed;
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};
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class node_not_found: public std::exception
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{
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public:
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node_not_found(std::string const& node_name);
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virtual const char* what() const throw();
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~node_not_found() throw ();
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private:
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std::string node_name_;
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};
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class attribute_not_found: public std::exception
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{
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public:
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attribute_not_found(std::string const& node_name, std::string const& attribute_name);
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virtual const char* what() const throw();
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~attribute_not_found() throw ();
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private:
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std::string node_name_;
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std::string attribute_name_;
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};
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class more_than_one_child: public std::exception
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{
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public:
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more_than_one_child(std::string const& node_name);
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virtual const char* what() const throw();
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~more_than_one_child() throw ();
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private:
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std::string node_name_;
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};
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class xml_node
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{
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public:
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typedef std::list<xml_node>::const_iterator const_iterator;
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typedef std::map<std::string, xml_attribute> attribute_map;
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xml_node(xml_tree &tree, std::string const& name, unsigned line=0, bool is_text = false);
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std::string const& name() const;
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std::string const& text() const;
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std::string const& filename() const;
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bool is_text() const;
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bool is(std::string const& name) const;
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xml_node &add_child(std::string const& name, unsigned line=0, bool is_text = false);
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void add_attribute(std::string const& name, std::string const& value);
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attribute_map const& get_attributes() const;
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bool processed() const;
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void set_processed(bool processed) const;
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unsigned line() const;
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std::string line_to_string() const;
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const_iterator begin() const;
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const_iterator end() const;
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xml_node & get_child(std::string const& name);
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xml_node const& get_child(std::string const& name) const;
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xml_node const* get_opt_child(std::string const& name) const;
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bool has_child(std::string const& name) const;
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template <typename T>
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boost::optional<T> get_opt_attr(std::string const& name) const;
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template <typename T>
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T get_attr(std::string const& name, T const& default_value) const;
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template <typename T>
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T get_attr(std::string const& name) const;
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std::string get_text() const;
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xml_tree const& get_tree() const
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{
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return tree_;
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}
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template <typename T>
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T get_value() const;
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private:
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xml_tree &tree_;
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std::string name_;
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std::list<xml_node> children_;
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attribute_map attributes_;
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bool is_text_;
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unsigned line_;
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mutable bool processed_;
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static std::string xml_text;
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};
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} //ns mapnik
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#endif // MAPNIK_XML_NODE_H
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