add oovpt

4 files changed, 132 insertions, 0 deletions

diff --git a/contrib/other-builds/moses/.project b/contrib/other-builds/moses/.project
index 6020f4be5..bf55b0f12 100644
--- a/contrib/other-builds/moses/.project
+++ b/contrib/other-builds/moses/.project
@@ -1996,6 +1996,16 @@
 			<locationURI>PARENT-3-PROJECT_LOC/moses/TranslationModel/DynSuffixArray.h</locationURI>
 		</link>
 		<link>
+			<name>TranslationModel/OOVPT.cpp</name>
+			<type>1</type>
+			<locationURI>PARENT-3-PROJECT_LOC/moses/TranslationModel/OOVPT.cpp</locationURI>
+		</link>
+		<link>
+			<name>TranslationModel/OOVPT.h</name>
+			<type>1</type>
+			<locationURI>PARENT-3-PROJECT_LOC/moses/TranslationModel/OOVPT.h</locationURI>
+		</link>
+		<link>
 			<name>TranslationModel/PhraseDictionary.cpp</name>
 			<type>1</type>
 			<locationURI>PARENT-3-PROJECT_LOC/moses/TranslationModel/PhraseDictionary.cpp</locationURI>
diff --git a/moses/FF/Factory.cpp b/moses/FF/Factory.cpp
index 73f1ada0f..a89930b19 100644
--- a/moses/FF/Factory.cpp
+++ b/moses/FF/Factory.cpp
@@ -9,6 +9,7 @@
 #include "moses/TranslationModel/PhraseDictionaryScope3.h"
 #include "moses/TranslationModel/PhraseDictionaryTransliteration.h"
 #include "moses/TranslationModel/PhraseDictionaryDynamicCacheBased.h"
+#include "moses/TranslationModel/OOVPT.h"
 
 #include "moses/TranslationModel/RuleTable/PhraseDictionaryOnDisk.h"
 #include "moses/TranslationModel/RuleTable/PhraseDictionaryFuzzyMatch.h"
@@ -183,6 +184,7 @@ FeatureRegistry::FeatureRegistry()
   MOSES_FNAME(PhraseDictionaryDynamicCacheBased);
   MOSES_FNAME(PhraseDictionaryFuzzyMatch);
   MOSES_FNAME2("RuleTable", Syntax::RuleTableFF);
+  MOSES_FNAME(OOVPT);
 
   MOSES_FNAME(GlobalLexicalModel);
   //MOSES_FNAME(GlobalLexicalModelUnlimited); This was commented out in the original
diff --git a/moses/TranslationModel/OOVPT.cpp b/moses/TranslationModel/OOVPT.cpp
new file mode 100644
index 000000000..c66e6ba1b
--- /dev/null
+++ b/moses/TranslationModel/OOVPT.cpp
@@ -0,0 +1,84 @@
+// vim:tabstop=2
+#include "OOVPT.h"
+
+using namespace std;
+
+namespace Moses
+{
+OOVPT::OOVPT(const std::string &line)
+  : PhraseDictionary(line)
+{
+  ReadParameters();
+}
+
+void OOVPT::Load()
+{
+  SetFeaturesToApply();
+}
+
+void OOVPT::InitializeForInput(InputType const& source)
+{
+  ReduceCache();
+}
+
+void OOVPT::GetTargetPhraseCollectionBatch(const InputPathList &inputPathQueue) const
+{
+  CacheColl &cache = GetCache();
+
+  InputPathList::const_iterator iter;
+  for (iter = inputPathQueue.begin(); iter != inputPathQueue.end(); ++iter) {
+    InputPath &inputPath = **iter;
+    const Phrase &sourcePhrase = inputPath.GetPhrase();
+
+    TargetPhrase *tp = CreateTargetPhrase(sourcePhrase);
+    TargetPhraseCollection *tpColl = new TargetPhraseCollection();
+    tpColl->Add(tp);
+
+    // add target phrase to phrase-table cache
+    size_t hash = hash_value(sourcePhrase);
+    std::pair<const TargetPhraseCollection*, clock_t> value(tpColl, clock());
+    cache[hash] = value;
+
+    inputPath.SetTargetPhrases(*this, tpColl, NULL);
+  }
+}
+
+TargetPhrase *OOVPT::CreateTargetPhrase(const Phrase &sourcePhrase) const
+{
+  // create a target phrase from the 1st word of the source, prefix with 'OOVPT:'
+  assert(sourcePhrase.GetSize());
+  assert(m_output.size() == 1);
+
+  string str = sourcePhrase.GetWord(0).GetFactor(0)->GetString().as_string();
+
+  TargetPhrase *tp = new TargetPhrase(this);
+  Word &word = tp->AddWord();
+  word.CreateFromString(Output, m_output, str, false);
+
+  // score for this phrase table
+  vector<float> scores(m_numScoreComponents, 1.3);
+  tp->GetScoreBreakdown().PlusEquals(this, scores);
+
+  // score of all other ff when this rule is being loaded
+  tp->EvaluateInIsolation(sourcePhrase, GetFeaturesToApply());
+
+  return tp;
+}
+
+ChartRuleLookupManager* OOVPT::CreateRuleLookupManager(const ChartParser &parser,
+    const ChartCellCollectionBase &cellCollection,
+    std::size_t /*maxChartSpan*/)
+{
+  assert(false);
+  return NULL;
+}
+
+TO_STRING_BODY(OOVPT);
+
+// friend
+ostream& operator<<(ostream& out, const OOVPT& phraseDict)
+{
+  return out;
+}
+
+}
diff --git a/moses/TranslationModel/OOVPT.h b/moses/TranslationModel/OOVPT.h
new file mode 100644
index 000000000..04e53c6ec
--- /dev/null
+++ b/moses/TranslationModel/OOVPT.h
@@ -0,0 +1,36 @@
+
+#pragma once
+
+#include "PhraseDictionary.h"
+
+namespace Moses
+{
+class ChartParser;
+class ChartCellCollectionBase;
+class ChartRuleLookupManager;
+
+class OOVPT : public PhraseDictionary
+{
+  friend std::ostream& operator<<(std::ostream&, const OOVPT&);
+
+public:
+  OOVPT(const std::string &line);
+
+  void Load();
+
+  void InitializeForInput(InputType const& source);
+
+  // for phrase-based model
+  void GetTargetPhraseCollectionBatch(const InputPathList &inputPathQueue) const;
+
+  // for syntax/hiero model (CKY+ decoding)
+  ChartRuleLookupManager* CreateRuleLookupManager(const ChartParser&, const ChartCellCollectionBase&, std::size_t);
+
+  TO_STRING();
+
+
+protected:
+  TargetPhrase *CreateTargetPhrase(const Phrase &sourcePhrase) const;
+};
+
+}  // namespace Moses