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