mapnik/include/mapnik/xml_node.hpp
Mathis Logemann 64054fade4 compiler independent warning ignore
Signed-off-by: Mathis Logemann <mathisloge@gmail.com>
2020-11-19 17:25:10 +01:00

154 lines
4.3 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2017 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
*
*****************************************************************************/
#ifndef MAPNIK_XML_NODE_HPP
#define MAPNIK_XML_NODE_HPP
//mapnik
#include <mapnik/config.hpp> // for MAPNIK_DECL
#include <mapnik/warning.hpp>
MAPNIK_DISABLE_WARNING_PUSH
#include <mapnik/warning_ignore.hpp>
#include <boost/optional.hpp>
MAPNIK_DISABLE_WARNING_POP
//stl
#include <list>
#include <string>
#include <map>
#include <exception>
namespace mapnik
{
class MAPNIK_DECL xml_tree;
class MAPNIK_DECL xml_attribute
{
public:
xml_attribute(const char * value_);
std::string value;
mutable bool processed;
};
class MAPNIK_DECL node_not_found: public std::exception
{
public:
node_not_found(std::string const& node_name);
virtual const char* what() const noexcept;
~node_not_found();
private:
std::string node_name_;
protected:
mutable std::string msg_;
};
class MAPNIK_DECL attribute_not_found: public std::exception
{
public:
attribute_not_found(std::string const& node_name, std::string const& attribute_name);
virtual const char* what() const noexcept;
~attribute_not_found();
private:
std::string node_name_;
std::string attribute_name_;
protected:
mutable std::string msg_;
};
class MAPNIK_DECL more_than_one_child: public std::exception
{
public:
more_than_one_child(std::string const& node_name);
virtual const char* what() const noexcept;
~more_than_one_child();
private:
std::string node_name_;
protected:
mutable std::string msg_;
};
class MAPNIK_DECL xml_node
{
public:
using const_iterator = std::list<xml_node>::const_iterator;
using attribute_map = std::map<std::string, xml_attribute>;
xml_node(xml_tree &tree, std::string && name, unsigned line=0, bool is_text = false);
std::string const& name() const;
std::string const& text() const;
std::string const& filename() const;
bool is_text() const;
bool is(std::string const& name) const;
xml_node & add_child(const char * name, unsigned line=0, bool is_text = false);
void add_attribute(const char * name, const char * value);
attribute_map const& get_attributes() const;
bool ignore() const;
void set_ignore(bool ignore) const;
bool processed() const;
void set_processed(bool processed) const;
unsigned line() const;
std::string line_to_string() const;
std::size_t size() const;
const_iterator begin() const;
const_iterator end() const;
xml_node & get_child(std::string const& name);
xml_node const& get_child(std::string const& name) const;
xml_node const* get_opt_child(std::string const& name) const;
bool has_child(std::string const& name) const;
bool has_attribute(std::string const& name) const;
template <typename T>
boost::optional<T> get_opt_attr(std::string const& name) const;
template <typename T>
T get_attr(std::string const& name, T const& default_opt_value) const;
template <typename T>
T get_attr(std::string const& name) const;
std::string const& get_text() const;
inline xml_tree const& get_tree() const { return tree_; }
template <typename T>
T get_value() const;
private:
xml_tree & tree_;
std::string name_;
std::list<xml_node> children_;
attribute_map attributes_;
bool is_text_;
unsigned line_;
mutable bool processed_;
mutable bool ignore_;
static std::string xml_text;
};
} //ns mapnik
#endif // MAPNIK_XML_NODE_HPP