Fix chart decoding so that it allows inputtype=0

3 files changed, 13 insertions, 3 deletions

diff --git a/moses/src/ChartManager.cpp b/moses/src/ChartManager.cpp
index 79a181952..3a4db4d9a 100644
--- a/moses/src/ChartManager.cpp
+++ b/moses/src/ChartManager.cpp
@@ -126,8 +126,7 @@ void ChartManager::ProcessSentence()
 }
 
 void ChartManager::AddXmlChartOptions() {
-  TreeInput const &source = dynamic_cast<TreeInput const&>(m_source);
-  const std::vector <ChartTranslationOption*> xmlChartOptionsList = source.GetXmlChartTranslationOptions();
+  const std::vector <ChartTranslationOption*> xmlChartOptionsList = m_source.GetXmlChartTranslationOptions();
   IFVERBOSE(2) { cerr << "AddXmlChartOptions " << xmlChartOptionsList.size() << endl; }
   if (xmlChartOptionsList.size() == 0) return;
 
diff --git a/moses/src/InputType.cpp b/moses/src/InputType.cpp
index 77857bdaf..d67e343f1 100644
--- a/moses/src/InputType.cpp
+++ b/moses/src/InputType.cpp
@@ -23,6 +23,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 #include <cstdlib>
 
 #include "InputType.h"
+#include "ChartTranslationOption.h"
 
 namespace Moses
 {
@@ -60,6 +61,13 @@ bool InputType::CanIGetFromAToB(size_t /*start*/, size_t /*end*/) const
   return true;
 }
 
+std::vector <ChartTranslationOption*> InputType::GetXmlChartTranslationOptions() const
+{
+  // default. return nothing
+  std::vector <ChartTranslationOption*> ret;
+  return ret;
+}
+  
 }
 
 
diff --git a/moses/src/InputType.h b/moses/src/InputType.h
index ca710c408..8a29ca279 100644
--- a/moses/src/InputType.h
+++ b/moses/src/InputType.h
@@ -38,7 +38,8 @@ class Factor;
 class PhraseDictionary;
 class TranslationOptionCollection;
 class TranslationSystem;
-
+class ChartTranslationOption;
+  
 //! base class for sentences and confusion networks
 class InputType
 {
@@ -130,6 +131,8 @@ public:
 
   virtual const NonTerminalSet &GetLabelSet(size_t startPos, size_t endPos) const = 0;
 
+  virtual std::vector <ChartTranslationOption*> GetXmlChartTranslationOptions() const;
+
   TO_STRING();
 
 };