1 files changed, 85 insertions, 0 deletions
diff --git a/contrib/moses2/FF/FeatureFunction.cpp b/contrib/moses2/FF/FeatureFunction.cpp
new file mode 100644
index 000000000..3326ceaa4
--- /dev/null
+++ b/contrib/moses2/FF/FeatureFunction.cpp
@@ -0,0 +1,85 @@
+/*
+ * FeatureFunction.cpp
+ *
+ *  Created on: 23 Oct 2015
+ *      Author: hieu
+ */
+#include <string>
+#include <vector>
+#include "FeatureFunction.h"
+#include "../System.h"
+#include "../legacy/Util2.h"
+#include "util/exception.hh"
+
+using namespace std;
+
+namespace Moses2
+{
+
+FeatureFunction::FeatureFunction(size_t startInd, const std::string &line)
+:m_startInd(startInd)
+,m_numScores(1)
+,m_PhraseTableInd(NOT_FOUND)
+,m_tuneable(true)
+{
+  ParseLine(line);
+  //cerr << GetName() << " " << m_startInd << "-" << (m_startInd + m_numScores - 1) << endl;
+}
+
+FeatureFunction::~FeatureFunction()
+{
+  // TODO Auto-generated destructor stub
+}
+
+void FeatureFunction::ParseLine(const std::string &line)
+{
+  vector<string> toks = Tokenize(line);
+  UTIL_THROW_IF2(toks.empty(), "Empty line");
+
+  string nameStub = toks[0];
+
+  set<string> keys;
+
+  for (size_t i = 1; i < toks.size(); ++i) {
+    vector<string> args = TokenizeFirstOnly(toks[i], "=");
+    UTIL_THROW_IF2(args.size() != 2,
+        "Incorrect format for feature function arg: " << toks[i]);
+
+    pair<set<string>::iterator, bool> ret = keys.insert(args[0]);
+    UTIL_THROW_IF2(!ret.second, "Duplicate key in line " << line);
+
+    if (args[0] == "num-features") {
+      m_numScores = Scan<size_t>(args[1]);
+    }
+    else if (args[0] == "name") {
+      m_name = args[1];
+    }
+    else {
+      m_args.push_back(args);
+    }
+  }
+}
+
+void FeatureFunction::ReadParameters()
+{
+  while (!m_args.empty()) {
+    const vector<string> &args = m_args[0];
+    SetParameter(args[0], args[1]);
+
+    m_args.erase(m_args.begin());
+  }
+}
+
+void FeatureFunction::SetParameter(const std::string& key,
+    const std::string& value)
+{
+  if (key == "tuneable") {
+    m_tuneable = Scan<bool>(value);
+  }
+  else {
+    UTIL_THROW2(GetName() << ": Unknown argument " << key << "=" << value);
+  }
+}
+
+}
+