/* * This file is part of Ambulant Player, www.ambulantplayer.org. * * Copyright (C) 2003-2007 Stichting CWI,  * Kruislaan 413, 1098 SJ Amsterdam, The Netherlands. * * Ambulant Player 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. * * Ambulant Player 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 Ambulant Player; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA *//*  * @$Id: schema.h,v 1.11 2007/02/12 14:14:09 jackjansen Exp $  */#ifndef AMBULANT_COMMON_SCHEMA_H#define AMBULANT_COMMON_SCHEMA_H#include "ambulant/config/config.h"#include <set>#include "ambulant/lib/sax_types.h"namespace ambulant {namespace common {/// An enumeration representing the time container type./// range of values : par | seq | excl | none  enum time_container_type {tc_par, tc_seq, tc_excl, tc_none};/// Return the string representing a type_container_type.const char* time_container_type_as_str(time_container_type t);/// An enumeration representing layout node types.enum layout_type {l_layout, l_rootlayout, l_toplayout, l_region, l_regpoint, l_media, l_none};/// Return the string representing a layout_type.const char* layout_type_as_str(layout_type t);/// A class encapsulating the XML Schema used by the application./// Components that want to be isolated from the exact XML Schema/// may query an instance of this class for the properties they /// are interested for.////// An implementation of this class may use external resources, /// hard coded info, or the XML Schema file itself,/// to build the data structures it requires. ////// The current implementation is rather half-hearted and hardcoded.class schema {  public:	/// Returns the schema instance used.	static const schema* get_instance();		/// Returns a ref to the set of time elements.	/// Currently local names.	const std::set<std::string>& get_time_elements() const {		return m_time_elements;	}		/// Returns the time_container_type of the element with tag qname.	time_container_type get_time_type(const lib::q_name_pair& qname) const;		bool is_discrete(const lib::q_name_pair& qname) const;		/// Returns a ref to the set of layout elements.	/// Currently local names.	const std::set<std::string>& get_layout_elements() const {		return m_layout_elements;	}		// Returns the layout_type of the element with tag qname.	layout_type get_layout_type(const lib::q_name_pair& qname) const;		/// Allow schema_factory classes to create instances.	friend class schema_factory;		/// Return true if an element with tag qname is an animation.	bool is_animation(const lib::q_name_pair& qname) const;	 	schema(); 	~schema();	 private: 		std::set<std::string> m_time_elements;	std::set<std::string> m_discrete;	std::set<std::string> m_continuous;	std::set<std::string> m_animations;	std::set<std::string> m_layout_elements;};} // namespace common } // namespace ambulant#endif // AMBULANT_COMMON_SCHEMA_H