livefeatures.h

#ifndef VDR_LIVE_FEATURES_H
#define VDR_LIVE_FEATURES_H

// STL headers need to be before VDR tools.h (included by <vdr/channels.h>)
#include <string>

#include <vdr/plugin.h>

namespace vdrlive {

class SplitVersion
{
public:
	explicit SplitVersion( std::string version );

	bool operator<( const SplitVersion& right ) const;

private:
	int m_version;
	std::string m_suffix;
};

template< typename Feat >
class Features;

template< typename Feat >
Features< Feat >& LiveFeatures();

template< typename Feat >
class Features
{
	friend Features< Feat >& LiveFeatures<>();

public:
	bool Loaded() const { return m_plugin != 0; }
	bool Recent() const { return !(m_version < m_minVersion); }
	char const* Version() const { return m_plugin ? m_plugin->Version() : ""; }
	char const* MinVersion() const { return Feat::MinVersion(); }

private:
	cPlugin* m_plugin;
	SplitVersion m_version;
	SplitVersion m_minVersion;

	Features()
		: m_plugin( cPluginManager::GetPlugin( Feat::Plugin() ) )
		, m_version( Version() )
		, m_minVersion( Feat::MinVersion() ) {}
};

template< typename Feat >
Features< Feat >& LiveFeatures()
{
	static Features< Feat > instance;
	return instance;
}

namespace features
{
	struct epgsearch
	{
		static const char* Plugin() { return "epgsearch"; }
		static const char* MinVersion() { return "0.9.25.beta6"; }
	};

	struct streamdev_server
	{
		static const char* Plugin() { return "streamdev-server"; }
		static const char* MinVersion() { return "?"; }
	};
} // namespace features

} // namespace vdrlive

#endif // VDR_LIVE_FEATURES_H