148 lines
4.1 KiB
C++
148 lines
4.1 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2014 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_H
|
|
#define MAPNIK_XML_NODE_H
|
|
|
|
//boost
|
|
#include <boost/optional.hpp>
|
|
|
|
//stl
|
|
#include <list>
|
|
#include <string>
|
|
#include <map>
|
|
#include <exception>
|
|
|
|
namespace mapnik
|
|
{
|
|
class xml_tree;
|
|
|
|
class xml_attribute
|
|
{
|
|
public:
|
|
xml_attribute(const char * value_);
|
|
std::string value;
|
|
mutable bool processed;
|
|
};
|
|
|
|
class node_not_found: public std::exception
|
|
{
|
|
public:
|
|
node_not_found(std::string const& node_name);
|
|
virtual const char* what() const throw();
|
|
~node_not_found() throw ();
|
|
private:
|
|
std::string node_name_;
|
|
protected:
|
|
mutable std::string msg_;
|
|
};
|
|
|
|
class 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 throw();
|
|
~attribute_not_found() throw ();
|
|
private:
|
|
std::string node_name_;
|
|
std::string attribute_name_;
|
|
protected:
|
|
mutable std::string msg_;
|
|
};
|
|
|
|
class more_than_one_child: public std::exception
|
|
{
|
|
public:
|
|
more_than_one_child(std::string const& node_name);
|
|
virtual const char* what() const throw();
|
|
~more_than_one_child() throw ();
|
|
private:
|
|
std::string node_name_;
|
|
protected:
|
|
mutable std::string msg_;
|
|
};
|
|
|
|
class 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_H
|