1 files changed, 42 insertions, 0 deletions
diff --git a/decoder/hg_cfg.h b/decoder/hg_cfg.h
new file mode 100755
index 00000000..0a3eb53c
--- /dev/null
+++ b/decoder/hg_cfg.h
@@ -0,0 +1,42 @@
+#ifndef HG_CFG_H
+#define HG_CFG_H
+
+#include "cfg.h"
+
+class Hypergraph;
+
+// in case you might want the CFG whether or not you apply FSA models:
+struct HgCFG {
+  HgCFG(Hypergraph const& ih) : ih(ih) { have_cfg=binarized=false; }
+  Hypergraph const& ih;
+  CFG cfg;
+  bool have_cfg;
+  void InitCFG(CFG &to) {
+    to.Init(ih,true,false,true);
+  }
+  bool binarized;
+  CFG &GetCFG()
+  {
+    if (!have_cfg) {
+      have_cfg=true;
+      InitCFG(cfg);
+    }
+    return cfg;
+  }
+  void GiveCFG(CFG &to) {
+    if (!have_cfg)
+      InitCFG(to);
+    else {
+      have_cfg=false;
+      to.Clear();
+      to.Swap(cfg);
+    }
+  }
+  CFG const& GetCFG() const {
+    assert(have_cfg);
+    return cfg;
+  }
+};
+
+
+#endif