pro extraction mainline and stub of feature data iterator

configure.in

@@ -17,6 +17,7 @@ AC_PROG_LIBTOOL
 AX_XMLRPC_C
 BOOST_REQUIRE([1.36.0])
 BOOST_SMART_PTR
+BOOST_PROGRAM_OPTIONS
 
 AC_ARG_WITH(protobuf,
             [AC_HELP_STRING([--with-protobuf=PATH], [(optional) path to Google protobuf])],

mert/FeatureDataIterator.cpp

@@ -0,0 +1,40 @@
+// $Id$
+// vim:tabstop=2
+
+/***********************************************************************
+Moses - factored phrase-based language decoder
+Copyright (C) 2011- University of Edinburgh
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+***********************************************************************/
+
+#include "FeatureDataIterator.h"
+
+using namespace std;
+
+FeatureDataIterator::FeatureDataIterator(const string filename) {
+}
+
+void FeatureDataIterator::increment() {
+
+}
+
+bool FeatureDataIterator::equal(const FeatureDataIterator& rhs) const {
+
+}
+
+const vector<FeatureDataItem>& FeatureDataIterator::dereference() const {
+
+}

mert/FeatureDataIterator.h

@@ -0,0 +1,94 @@
+// $Id$
+// vim:tabstop=2
+
+/***********************************************************************
+Moses - factored phrase-based language decoder
+Copyright (C) 2011- University of Edinburgh
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+***********************************************************************/
+
+#ifndef _FEATURE_DATA_ITERATOR_
+#define _FEATURE_DATA_ITERATOR_
+
+/**
+  * For loading from the feature data file.
+**/
+
+#include <fstream>
+#include <map>
+#include <vector>
+
+#include <boost/iterator/iterator_facade.hpp>
+
+
+//Minimal sparse vector
+class SparseVector {
+
+  public:
+    typedef std::map<size_t,float> fvector_t;
+    typedef std::map<std::string, size_t> name2id_t;
+    typedef std::vector<std::string> id2name_t;
+
+    float get(std::string name) const;
+    float get(size_t id) const;
+    void set(std::string name, float value);
+    void clear();
+    size_t size() const;
+
+    void write(std::ostream& out, const std::string& sep = " ") const;
+
+    SparseVector& operator-=(const SparseVector& rhs);
+
+  private:
+    static name2id_t name2id_;
+    static id2name_t id2name_;
+    fvector_t fvector_;
+};
+
+SparseVector operator-(const SparseVector& lhs, const SparseVector& rhs);
+
+class FeatureDataItem {
+  public:
+    std::vector<float> dense;
+    SparseVector sparse;
+};
+
+class FeatureDataIterator : 
+  public boost::iterator_facade<FeatureDataIterator,
+                                const std::vector<FeatureDataItem>,
+                                boost::forward_traversal_tag> 
+{
+  public:
+    FeatureDataIterator(const std::string filename);
+
+    static FeatureDataIterator end() {
+      return FeatureDataIterator("");
+    }
+
+
+  private:
+    friend class boost::iterator_core_access;
+
+    void increment();
+    bool equal(const FeatureDataIterator& rhs) const;
+    const std::vector<FeatureDataItem>& dereference() const;
+
+    std::ifstream* in_;
+};
+
+#endif
+
+

mert/Makefile.am

@@ -1,5 +1,5 @@
 lib_LTLIBRARIES = libmert.la
-bin_PROGRAMS = mert extractor evaluator
+bin_PROGRAMS = mert extractor evaluator pro
 AM_CPPFLAGS = -W -Wall -Wno-unused -ffor-scope -DTRACE_ENABLE $(BOOST_CPPFLAGS)
 
 libmert_la_SOURCES =  \
@@ -7,6 +7,7 @@ Util.cpp \
 Timer.cpp \
 ScoreStats.cpp ScoreArray.cpp ScoreData.cpp \
 FeatureStats.cpp FeatureArray.cpp FeatureData.cpp \
+FeatureDataIterator.cpp \
 Data.cpp \
 BleuScorer.cpp \
 Point.cpp \
@@ -29,9 +30,13 @@ CderScorer.cpp \
 MergeScorer.cpp
 
 mert_SOURCES = mert.cpp $(top_builddir)/moses/src/ThreadPool.cpp
-extractor_SOURCES  = extractor.cpp 
-evaluator_SOURCES = evaluator.cpp 
+extractor_SOURCES  = extractor.cpp
+evaluator_SOURCES = evaluator.cpp
+pro_SOURCES = pro.cpp
 
 extractor_LDADD = libmert.la -lm -lz
 mert_LDADD = libmert.la -lm -lz $(BOOST_THREAD_LDFLAGS) $(BOOST_THREAD_LIBS)
 evaluator_LDADD = libmert.la -lm -lz
+pro_LDADD = libmert.la @KENLM_LDFLAGS@ $(BOOST_LDFLAGS) $(BOOST_PROGRAM_OPTIONS_LDFLAGS) $(BOOST_PROGRAM_OPTIONS_LIBS)
+pro_DEPENDENCIES = $(top_srcdir)/kenlm/libkenlm.la
+

mert/pro.cpp

@@ -0,0 +1,85 @@
+// $Id$
+// vim:tabstop=2
+
+/***********************************************************************
+Moses - factored phrase-based language decoder
+Copyright (C) 2011- University of Edinburgh
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+***********************************************************************/
+
+
+/** 
+  * This is part of the PRO implementation. It converts the features and scores 
+  * files into a form suitable for input into the megam maxent trainer.
+  *
+  *   For details of PRO, refer to Hopkins & May (EMNLP 2011)
+ **/
+#include <cstdlib>
+#include <ctime>
+#include <iostream>
+#include <string>
+#include <vector>
+
+#include <boost/program_options.hpp>
+
+#include "FeatureDataIterator.h"
+
+using namespace std;
+
+namespace po = boost::program_options;
+
+int main(int argc, char** argv) 
+{
+  bool help;
+  vector<string> scoreFiles;
+  vector<string> featureFiles;
+  int seed;
+
+  po::options_description desc("Allowed options");
+  desc.add_options()
+    ("help,h", po::value(&help)->zero_tokens()->default_value(false), "Print this help message and exit")
+    ("scfile,S", po::value<vector<string> >(&scoreFiles), "Scorer data files")
+    ("ffile,F", po::value<vector<string> > (&featureFiles), "Feature data files")
+    ("random-seed,r", po::value<int>(&seed), "Seed for random number generation")
+    ;
+
+  po::options_description cmdline_options;
+  cmdline_options.add(desc);
+  po::variables_map vm;
+  po::store(po::command_line_parser(argc,argv).
+            options(cmdline_options).run(), vm);
+  po::notify(vm);
+  if (help) {
+      cout << "Usage: " + string(argv[0]) +  " [options]" << endl;
+      cout << desc << endl;
+      return 0;
+  }
+  
+  if (vm.count("random-seed")) {
+    cerr << "Initialising random seed to " << seed << endl;
+    srand(seed);
+  } else {
+    cerr << "Initialising random seed from system clock" << endl;
+    srand(time(NULL));
+  }
+
+  FeatureDataIterator fi(featureFiles[0]);
+  for (; fi != FeatureDataIterator::end(); ++fi) {
+    const vector<FeatureDataItem>& featureData = *fi;
+  }
+
+}
+