From 173910593bf6bf3dc52902f99a683560d8c73942 Mon Sep 17 00:00:00 2001
From: Kenneth Heafield <github@kheafield.com>
Date: Wed, 12 Sep 2012 15:07:44 +0100
Subject: Add the alone stuff, using a wrapper to the edge class.

---
 klm/alone/assemble.cc | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 klm/alone/assemble.cc

(limited to 'klm/alone/assemble.cc')

diff --git a/klm/alone/assemble.cc b/klm/alone/assemble.cc
new file mode 100644
index 00000000..2ae72ce9
--- /dev/null
+++ b/klm/alone/assemble.cc
@@ -0,0 +1,76 @@
+#include "alone/assemble.hh"
+
+#include "alone/labeled_edge.hh"
+#include "search/final.hh"
+
+#include <iostream>
+
+namespace alone {
+
+std::ostream &operator<<(std::ostream &o, const search::Final &final) {
+  const std::vector<const std::string*> &words = static_cast<const LabeledEdge&>(final.From()).Words();
+  if (words.empty()) return o;
+  const search::Final *const *child = final.Children().data();
+  std::vector<const std::string*>::const_iterator i(words.begin());
+  for (; i != words.end() - 1; ++i) {
+    if (*i) {
+      o << **i << ' ';
+    } else {
+      o << **child << ' ';
+      ++child;
+    }
+  }
+
+  if (*i) {
+    if (**i != "</s>") {
+      o << **i;
+    }
+  } else {
+    o << **child;
+  }
+
+  return o;
+}
+
+namespace {
+
+void MakeIndent(std::ostream &o, const char *indent_str, unsigned int level) {
+  for (unsigned int i = 0; i < level; ++i)
+    o << indent_str;
+}
+
+void DetailedFinalInternal(std::ostream &o, const search::Final &final, const char *indent_str, unsigned int indent) {
+  o << "(\n";
+  MakeIndent(o, indent_str, indent);
+  const std::vector<const std::string*> &words = static_cast<const LabeledEdge&>(final.From()).Words();
+  const search::Final *const *child = final.Children().data();
+  for (std::vector<const std::string*>::const_iterator i(words.begin()); i != words.end(); ++i) {
+    if (*i) {
+      o << **i;
+      if (i == words.end() - 1) {
+        o << '\n';
+        MakeIndent(o, indent_str, indent);
+      } else {
+        o << ' ';
+      }
+    } else {
+      // One extra indent from the line we're currently on.  
+      o << indent_str;
+      DetailedFinalInternal(o, **child, indent_str, indent + 1);
+      for (unsigned int i = 0; i < indent; ++i) o << indent_str;
+      ++child;
+    }
+  }
+  o << ")=" << final.Bound() << '\n';
+}
+} // namespace
+
+void DetailedFinal(std::ostream &o, const search::Final &final, const char *indent_str) {
+  DetailedFinalInternal(o, final, indent_str, 0);
+}
+
+void PrintFinal(const search::Final &final) {
+  std::cout << final << std::endl;
+}
+
+} // namespace alone
-- 
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