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#pragma once
#include <boost/unordered_map.hpp>
#include <boost/shared_ptr.hpp>
namespace Moses2
{
class FeatureFunction;
////////////////////////////////////////////////////////////////////
class FeatureFactory
{
public:
virtual ~FeatureFactory() {
}
virtual FeatureFunction *Create(size_t startInd, const std::string &line) const = 0;
protected:
FeatureFactory() {
}
};
////////////////////////////////////////////////////////////////////
class FeatureRegistry
{
public:
static const FeatureRegistry &Instance() {
return s_instance;
}
~FeatureRegistry();
FeatureFunction *Construct(size_t startInd, const std::string &name,
const std::string &line) const;
void PrintFF() const;
private:
static FeatureRegistry s_instance;
typedef boost::unordered_map<std::string, boost::shared_ptr<FeatureFactory> > Map;
Map registry_;
FeatureRegistry();
void Add(const std::string &name, FeatureFactory *factory);
};
////////////////////////////////////////////////////////////////////
}
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