From 851e389dffdd6996ea32d70defb8906de80b9edc Mon Sep 17 00:00:00 2001
From: Chris Dyer <redpony@gmail.com>
Date: Mon, 14 Dec 2009 20:35:11 -0500
Subject: few small fixes of alignment tools, add new orthographic similarity
 feature for word aligner, final naming of directories, libraries in cdec

---
 decoder/ff_factory.h | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 decoder/ff_factory.h

(limited to 'decoder/ff_factory.h')

diff --git a/decoder/ff_factory.h b/decoder/ff_factory.h
new file mode 100644
index 00000000..bc586567
--- /dev/null
+++ b/decoder/ff_factory.h
@@ -0,0 +1,39 @@
+#ifndef _FF_FACTORY_H_
+#define _FF_FACTORY_H_
+
+#include <iostream>
+#include <string>
+#include <map>
+
+#include <boost/shared_ptr.hpp>
+
+class FeatureFunction;
+class FFRegistry;
+class FFFactoryBase;
+extern boost::shared_ptr<FFRegistry> global_ff_registry;
+
+class FFRegistry {
+  friend int main(int argc, char** argv);
+  friend class FFFactoryBase;
+ public:
+  boost::shared_ptr<FeatureFunction> Create(const std::string& ffname, const std::string& param) const;
+  void DisplayList() const;
+  void Register(const std::string& ffname, FFFactoryBase* factory);
+ private:
+  FFRegistry() {}
+  std::map<std::string, boost::shared_ptr<FFFactoryBase> > reg_;
+};
+
+struct FFFactoryBase {
+  virtual ~FFFactoryBase();
+  virtual boost::shared_ptr<FeatureFunction> Create(const std::string& param) const = 0;
+};
+
+template<class FF>
+class FFFactory : public FFFactoryBase {
+  boost::shared_ptr<FeatureFunction> Create(const std::string& param) const {
+    return boost::shared_ptr<FeatureFunction>(new FF(param));
+  }
+};
+
+#endif
-- 
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