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-rw-r--r--decoder/fdict.h31
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+#ifndef _FDICT_H_
+#define _FDICT_H_
+
+#include <string>
+#include <vector>
+#include "dict.h"
+
+struct FD {
+ // once the FD is frozen, new features not already in the
+ // dictionary will return 0
+ static void Freeze() {
+ frozen_ = true;
+ }
+ static inline int NumFeats() {
+ return dict_.max() + 1;
+ }
+ static inline WordID Convert(const std::string& s) {
+ return dict_.Convert(s, frozen_);
+ }
+ static inline const std::string& Convert(const WordID& w) {
+ return dict_.Convert(w);
+ }
+ // Escape any string to a form that can be used as the name
+ // of a weight in a weights file
+ static std::string Escape(const std::string& s);
+ static Dict dict_;
+ private:
+ static bool frozen_;
+};
+
+#endif