From 32154b45828f05add1db7c89752ef4220c0fdf16 Mon Sep 17 00:00:00 2001
From: "graehl@gmail.com"
 <graehl@gmail.com@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Tue, 10 Aug 2010 10:02:04 +0000
Subject: cdec --cfg_output=-

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@499 ec762483-ff6d-05da-a07a-a48fb63a330f
---
 decoder/cfg.h | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

(limited to 'decoder/cfg.h')

diff --git a/decoder/cfg.h b/decoder/cfg.h
index 8d7a5eee..e325c4cd 100755
--- a/decoder/cfg.h
+++ b/decoder/cfg.h
@@ -25,6 +25,7 @@
 #include "prob.h"
 //#include "int_or_pointer.h"
 #include "small_vector.h"
+#include "nt_span.h"
 
 class Hypergraph;
 class CFGFormat; // #include "cfg_format.h"
@@ -35,6 +36,10 @@ struct CFG {
   typedef SmallVector<WordID> RHS; // same as in trule rhs: >0 means token, <=0 means -node index (not variable index)
   typedef std::vector<RuleHandle> Ruleids;
 
+  void print_nt_name(std::ostream &o,NTHandle n) const {
+    o << nts[n].from;
+  }
+
   struct Rule {
     int lhs; // index into nts
     RHS rhs;
@@ -47,17 +52,33 @@ struct CFG {
 
   struct NT {
     Ruleids ruleids; // index into CFG rules with lhs = this NT.  aka in_edges_
+    NTSpan from; // optional name - still needs id to disambiguate
   };
 
-  CFG() : hg_() {  }
+  CFG() : hg_() { uninit=true; }
 
   // provided hg will have weights pushed up to root
   CFG(Hypergraph const& hg,bool target_side=true,bool copy_features=false,bool push_weights=true) {
     Init(hg,target_side,copy_features,push_weights);
   }
+  bool Uninitialized() const { return uninit; }
+  void Clear();
+  bool Empty() const { return nts.empty(); }
   void Init(Hypergraph const& hg,bool target_side=true,bool copy_features=false,bool push_weights=true);
   void Print(std::ostream &o,CFGFormat const& format) const; // see cfg_format.h
+  void PrintRule(std::ostream &o,RuleHandle rulei,CFGFormat const& format) const;
+  void Swap(CFG &o) { // make sure this includes all fields (easier to see here than in .cc)
+    using namespace std;
+    swap(uninit,o.uninit);
+    swap(hg_,o.hg_);
+    swap(goal_inside,o.goal_inside);
+    swap(pushed_inside,o.pushed_inside);
+    swap(rules,o.rules);
+    swap(nts,o.nts);
+    swap(goal_nt,o.goal_nt);
+  }
 protected:
+  bool uninit;
   Hypergraph const* hg_; // shouldn't be used for anything, esp. after binarization
   prob_t goal_inside,pushed_inside; // when we push viterbi weights to goal, we store the removed probability in pushed_inside
   // rules/nts will have same index as hg edges/nodes
@@ -68,4 +89,5 @@ protected:
   int goal_nt;
 };
 
+
 #endif
-- 
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