First version of scorer

git-svn-id: https://mosesdecoder.svn.sourceforge.net/svnroot/mosesdecoder/trunk@1634 1f5c12ca-751b-0410-a591-d2e778427230

mert/Scorer.h

@@ -0,0 +1,37 @@
+#ifndef __SCORER_H__
+#define __SCORER_H__
+
+#include <iostream>
+#include <string>
+#include <vector>
+
+using namespace std;
+
+class Scorer {
+	/**
+	  * Extract initial statistics from the nbestfile and write them to the stats
+      * file. For example, for bleu these are the ngram counts and length.
+	  **/
+	public:
+		
+		Scorer(const string& statsfile): _statsfile(statsfile) {}
+		
+		virtual void prepare(const vector<string>& referencefiles, const string& nbestfile) {
+			//dummy impl
+		}
+	/**
+	  * Calculate the score of the sentences corresponding to the list of candidate
+      * indices. Each index indicates the 1-best choice from the n-best list.
+	  **/
+		virtual float score(const vector<unsigned int>& candidates) {
+			//dummy impl
+			return 0;
+		}
+
+	protected:
+		string _statsfile;
+
+};
+
+
+#endif //__SCORER_H