From 671c21451542e2dd20e45b4033d44d8e8735f87b Mon Sep 17 00:00:00 2001
From: Chris Dyer <redpony@gmail.com>
Date: Thu, 3 Dec 2009 16:33:55 -0500
Subject: initial check in

---
 src/lattice.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 src/lattice.h

(limited to 'src/lattice.h')

diff --git a/src/lattice.h b/src/lattice.h
new file mode 100644
index 00000000..1177e768
--- /dev/null
+++ b/src/lattice.h
@@ -0,0 +1,31 @@
+#ifndef __LATTICE_H_
+#define __LATTICE_H_
+
+#include <string>
+#include <vector>
+#include "wordid.h"
+
+struct LatticeArc {
+  WordID label;
+  double cost;
+  int dist2next;
+  LatticeArc() : label(), cost(), dist2next() {}
+  LatticeArc(WordID w, double c, int i) : label(w), cost(c), dist2next(i) {}
+};
+
+class Lattice : public std::vector<std::vector<LatticeArc> > {
+ public:
+  Lattice() {}
+  explicit Lattice(size_t t, const std::vector<LatticeArc>& v = std::vector<LatticeArc>()) :
+   std::vector<std::vector<LatticeArc> >(t, v) {}
+ 
+  // TODO add distance functions
+};
+
+struct LatticeTools {
+  static bool LooksLikePLF(const std::string &line);
+  static void ConvertTextToLattice(const std::string& text, Lattice* pl);
+  static void ConvertTextOrPLF(const std::string& text_or_plf, Lattice* pl);
+};
+
+#endif
-- 
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