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

---
 vest/mr_vest_map.cc | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 vest/mr_vest_map.cc

(limited to 'vest/mr_vest_map.cc')

diff --git a/vest/mr_vest_map.cc b/vest/mr_vest_map.cc
new file mode 100644
index 00000000..80e84218
--- /dev/null
+++ b/vest/mr_vest_map.cc
@@ -0,0 +1,98 @@
+#include <sstream>
+#include <iostream>
+#include <fstream>
+#include <vector>
+
+#include <boost/program_options.hpp>
+#include <boost/program_options/variables_map.hpp>
+
+#include "filelib.h"
+#include "stringlib.h"
+#include "sparse_vector.h"
+#include "scorer.h"
+#include "viterbi_envelope.h"
+#include "inside_outside.h"
+#include "error_surface.h"
+#include "hg.h"
+#include "hg_io.h"
+
+using namespace std;
+namespace po = boost::program_options;
+
+void InitCommandLine(int argc, char** argv, po::variables_map* conf) {
+  po::options_description opts("Configuration options");
+  opts.add_options()
+        ("reference,r",po::value<vector<string> >(), "[REQD] Reference translation (tokenized text)")
+        ("loss_function,l",po::value<string>()->default_value("ibm_bleu"), "Loss function being optimized")
+        ("help,h", "Help");
+  po::options_description dcmdline_options;
+  dcmdline_options.add(opts);
+  po::store(parse_command_line(argc, argv, dcmdline_options), *conf);
+  bool flag = false;
+  if (!conf->count("reference")) {
+    cerr << "Please specify one or more references using -r <REF.TXT>\n";
+    flag = true;
+  }
+  if (flag || conf->count("help")) {
+    cerr << dcmdline_options << endl;
+    exit(1);
+  }
+}
+
+bool ReadSparseVectorString(const string& s, SparseVector<double>* v) {
+  vector<string> fields;
+  Tokenize(s, ';', &fields);
+  if (fields.empty()) return false;
+  for (int i = 0; i < fields.size(); ++i) {
+    vector<string> pair(2);
+    Tokenize(fields[i], '=', &pair);
+    if (pair.size() != 2) {
+      cerr << "Error parsing vector string: " << fields[i] << endl;
+      return false;
+    }
+    v->set_value(FD::Convert(pair[0]), atof(pair[1].c_str()));
+  }
+  return true;
+}
+
+int main(int argc, char** argv) {
+  po::variables_map conf;
+  InitCommandLine(argc, argv, &conf);
+  const string loss_function = conf["loss_function"].as<string>();
+  ScoreType type = ScoreTypeFromString(loss_function);
+  DocScorer ds(type, conf["reference"].as<vector<string> >());
+  cerr << "Loaded " << ds.size() << " references for scoring with " << loss_function << endl;
+  Hypergraph hg;
+  string last_file;
+  while(cin) {
+    string line;
+    getline(cin, line);
+    if (line.empty()) continue;
+    istringstream is(line);
+    int sent_id;
+    string file, s_origin, s_axis;
+    is >> file >> sent_id >> s_origin >> s_axis;
+    SparseVector<double> origin;
+    assert(ReadSparseVectorString(s_origin, &origin));
+    SparseVector<double> axis;
+    assert(ReadSparseVectorString(s_axis, &axis));
+    // cerr << "File: " << file << "\nAxis: " << axis << "\n   X: " << origin << endl;
+    if (last_file != file) {
+      last_file = file;
+      ReadFile rf(file);
+      HypergraphIO::ReadFromJSON(rf.stream(), &hg);
+    }
+    ViterbiEnvelopeWeightFunction wf(origin, axis);
+    ViterbiEnvelope ve = Inside<ViterbiEnvelope, ViterbiEnvelopeWeightFunction>(hg, NULL, wf);
+    ErrorSurface es;
+    ds[sent_id]->ComputeErrorSurface(ve, &es);
+    //cerr << "Viterbi envelope has " << ve.size() << " segments\n";
+    cerr << "Error surface has " << es.size() << " segments\n";
+    string val;
+    es.Serialize(&val);
+    cout << 'M' << ' ' << s_origin << ' ' << s_axis << '\t';
+    B64::b64encode(val.c_str(), val.size(), &cout);
+    cout << endl;
+  }
+  return 0;
+}
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