From 4ab84a0be28fdb6c0c421fe5ba5e09cfa298f2d1 Mon Sep 17 00:00:00 2001
From: Paul Baltescu <pauldb89@gmail.com>
Date: Mon, 28 Jan 2013 11:56:31 +0000
Subject: Initial working commit.

---
 extractor/phrase_builder.cc | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 extractor/phrase_builder.cc

(limited to 'extractor/phrase_builder.cc')

diff --git a/extractor/phrase_builder.cc b/extractor/phrase_builder.cc
new file mode 100644
index 00000000..7f3447e5
--- /dev/null
+++ b/extractor/phrase_builder.cc
@@ -0,0 +1,21 @@
+#include "phrase_builder.h"
+
+#include "phrase.h"
+#include "vocabulary.h"
+
+PhraseBuilder::PhraseBuilder(shared_ptr<Vocabulary> vocabulary) :
+    vocabulary(vocabulary) {}
+
+Phrase PhraseBuilder::Build(const vector<int>& symbols) {
+  Phrase phrase;
+  phrase.symbols = symbols;
+  phrase.words.resize(symbols.size());
+  for (size_t i = 0; i < symbols.size(); ++i) {
+    if (vocabulary->IsTerminal(symbols[i])) {
+      phrase.words[i] = vocabulary->GetTerminalValue(symbols[i]);
+    } else {
+      phrase.var_pos.push_back(i);
+    }
+  }
+  return phrase;
+}
-- 
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