add PrepareForInput to ff interface, make sgml markup available to feature functions

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@669 ec762483-ff6d-05da-a07a-a48fb63a330f

1 files changed, 6 insertions, 0 deletions

diff --git a/decoder/ff.cc b/decoder/ff.cc
index a32c0dcb..1258bc79 100644
--- a/decoder/ff.cc
+++ b/decoder/ff.cc
@@ -13,6 +13,7 @@ using namespace std;
 
 FeatureFunction::~FeatureFunction() {}
 
+void FeatureFunction::PrepareForInput(const SentenceMetadata&) {}
 
 void FeatureFunction::FinalTraversalFeatures(const void* /* ant_state */,
                                              SparseVector<double>* /* features */) const {
@@ -163,6 +164,11 @@ ModelSet::ModelSet(const vector<double>& w, const vector<const FeatureFunction*>
   }
 }
 
+void ModelSet::PrepareForInput(const SentenceMetadata& smeta) {
+  for (int i = 0; i < models_.size(); ++i)
+    const_cast<FeatureFunction*>(models_[i])->PrepareForInput(smeta);
+}
+
 void ModelSet::AddFeaturesToEdge(const SentenceMetadata& smeta,
                                  const Hypergraph& /* hg */,
                                  const FFStates& node_states,