From 649a4ea65e78193876d7cb5f387ef775362bfea0 Mon Sep 17 00:00:00 2001
From: redpony <redpony@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Thu, 26 Aug 2010 21:49:45 +0000
Subject: some experimental stuff

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@625 ec762483-ff6d-05da-a07a-a48fb63a330f
---
 extools/extractor.cc     | 13 +++++++++++--
 extools/sentence_pair.cc | 21 +++++++++------------
 extools/sentence_pair.h  |  4 +++-
 3 files changed, 23 insertions(+), 15 deletions(-)

(limited to 'extools')

diff --git a/extools/extractor.cc b/extools/extractor.cc
index 1eb85f37..1e4154ef 100644
--- a/extools/extractor.cc
+++ b/extools/extractor.cc
@@ -31,6 +31,7 @@ void InitCommandLine(int argc, char** argv, po::variables_map* conf) {
   opts.add_options()
         ("input,i", po::value<string>()->default_value("-"), "Input file")
         ("default_category,d", po::value<string>(), "Default span type (use X for 'Hiero')")
+        ("x_cdyer_pos,x", "Extract monolingual POS contexts (cdyer experimental)")
         ("loose", "Use loose phrase extraction heuristic for base phrases")
         ("base_phrase,B", "Write base phrases")
         ("base_phrase_spans", "Write base sentences and phrase spans")
@@ -360,8 +361,8 @@ int main(int argc, char** argv) {
   AnnotatedParallelSentence sentence;
   vector<ParallelSpan> phrases;
   vector<WordID> all_cats;
-  const int max_base_phrase_size = conf["max_base_phrase_size"].as<int>();
-  const bool write_phrase_contexts = conf.count("phrase_context") > 0;
+  int max_base_phrase_size = conf["max_base_phrase_size"].as<int>();
+  bool write_phrase_contexts = conf.count("phrase_context") > 0;
   const bool write_base_phrases = conf.count("base_phrase") > 0;
   const bool write_base_phrase_spans = conf.count("base_phrase_spans") > 0;
   const bool loose_phrases = conf.count("loose") > 0;
@@ -378,6 +379,7 @@ int main(int argc, char** argv) {
   const string cs = conf["context_language"].as<string>();
   const bool context_s = cs == "source" || cs == "both";
   const bool context_t = cs == "target" || cs == "both";
+  const bool x_cdyer_pos = conf.count("x_cdyer_pos");
   int line = 0;
   CountCombiner cc(conf["combiner_size"].as<size_t>());
   HadoopStreamingRuleObserver o(&cc,
@@ -402,6 +404,13 @@ int main(int argc, char** argv) {
       if (line % 8000 == 0) cerr << " [" << line << "]\n" << flush;
     }
     sentence.ParseInputLine(buf);
+    if (x_cdyer_pos) {
+      sentence.e = sentence.f;
+      sentence.AllocateForAlignment();
+      for (int i = 0; i < sentence.e.size(); ++i) sentence.Align(i,i);
+      max_base_phrase_size = 1;
+      write_phrase_contexts = true;
+    }
     phrases.clear();
     Extract::ExtractBasePhrases(max_base_phrase_size, sentence, &phrases);
     if (loose_phrases)
diff --git a/extools/sentence_pair.cc b/extools/sentence_pair.cc
index 55609db4..d5ebe48f 100644
--- a/extools/sentence_pair.cc
+++ b/extools/sentence_pair.cc
@@ -117,6 +117,14 @@ int AnnotatedParallelSentence::ReadAlignmentPoint(const char* buf,
   return ch;
 }
 
+void AnnotatedParallelSentence::Align(const short a, const short b) {
+  aligned(a,b) = true;
+  ++f_aligned[a];
+  ++e_aligned[b];
+  aligns_by_fword[a].push_back(make_pair(a,b));
+  // cerr << a << " " << b << endl;
+}
+
 void AnnotatedParallelSentence::ParseAlignmentPoint(const char* buf, int start, int end) {
   short a, b;
   ReadAlignmentPoint(buf, start, end, false, &a, &b, 0, 0);
@@ -124,11 +132,7 @@ void AnnotatedParallelSentence::ParseAlignmentPoint(const char* buf, int start,
     cerr << "(" << a << ',' << b << ") is out of bounds. INPUT=\n" << buf << endl;
     exit(1);
   }
-  aligned(a,b) = true;
-  ++f_aligned[a];
-  ++e_aligned[b];
-  aligns_by_fword[a].push_back(make_pair(a,b));
-  // cerr << a << " " << b << endl;
+  Align(a,b);
 }
 
 void AnnotatedParallelSentence::ParseSpanLabel(const char* buf, int start, int end) {
@@ -191,12 +195,5 @@ void AnnotatedParallelSentence::ParseInputLine(const char* buf) {
       default: cerr << "Can't happen\n"; abort();
     }
   }
-  if (state < 2) {
-    cerr << "Not enough fields: " << buf << endl;
-    abort();
-  }
-  if (e.empty() || f.empty()) {
-    cerr << "Sentences must not be empty: " << buf << endl;
-  }
 }
 
diff --git a/extools/sentence_pair.h b/extools/sentence_pair.h
index b5a7ca93..a05275e7 100644
--- a/extools/sentence_pair.h
+++ b/extools/sentence_pair.h
@@ -29,11 +29,13 @@ struct AnnotatedParallelSentence {
 
   int f_len, e_len;
 
+  void Align(const short a, const short b);
+  void AllocateForAlignment();
+
   static int ReadAlignmentPoint(const char* buf, int start, int end, bool permit_col, short* a, short* b, short* c, short* d);
 
  private:
   void Reset();
-  void AllocateForAlignment();
   void ParseAlignmentPoint(const char* buf, int start, int end);
   void ParseSpanLabel(const char* buf, int start, int end);
 };
-- 
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