1 files changed, 0 insertions, 141 deletions
diff --git a/src/phrasetable_fst.cc b/src/phrasetable_fst.cc
deleted file mode 100644
index f421e941..00000000
--- a/src/phrasetable_fst.cc
+++ /dev/null
@@ -1,141 +0,0 @@
-#include "phrasetable_fst.h"
-
-#include <cassert>
-#include <iostream>
-#include <map>
-
-#include <boost/shared_ptr.hpp>
-
-#include "filelib.h"
-#include "tdict.h"
-
-using boost::shared_ptr;
-using namespace std;
-
-TargetPhraseSet::~TargetPhraseSet() {}
-FSTNode::~FSTNode() {}
-
-class TextTargetPhraseSet : public TargetPhraseSet {
- public:
-  void AddRule(TRulePtr rule) {
-    rules_.push_back(rule);
-  }
-  const vector<TRulePtr>& GetRules() const {
-    return rules_;
-  }
-
- private:
-  // all rules must have arity 0
-  vector<TRulePtr> rules_;
-};
-
-class TextFSTNode : public FSTNode {
- public:
-  const TargetPhraseSet* GetTranslations() const { return data.get(); }
-  bool HasData() const { return (bool)data; }
-  bool HasOutgoingNonEpsilonEdges() const { return !ptr.empty(); } 
-  const FSTNode* Extend(const WordID& t) const {
-    map<WordID, TextFSTNode>::const_iterator it = ptr.find(t);
-    if (it == ptr.end()) return NULL;
-    return &it->second;
-  }
-
-  void AddPhrase(const string& phrase);
-
-  void AddPassThroughTranslation(const WordID& w, const SparseVector<double>& feats);
-  void ClearPassThroughTranslations();
- private:
-  vector<WordID> passthroughs;
-  shared_ptr<TargetPhraseSet> data;
-  map<WordID, TextFSTNode> ptr;
-};
-
-#ifdef DEBUG_CHART_PARSER
-static string TrimRule(const string& r) {
-  size_t start = r.find(" |||") + 5;
-  size_t end = r.rfind(" |||");
-  return r.substr(start, end - start);
-}
-#endif
-
-void TextFSTNode::AddPhrase(const string& phrase) {
-  vector<WordID> words;
-  TRulePtr rule(TRule::CreateRulePhrasetable(phrase));
-  if (!rule) {
-    static int err = 0;
-    ++err;
-    if (err > 2) { cerr << "TOO MANY PHRASETABLE ERRORS\n"; exit(1); }
-    return;
-  }
-
-  TextFSTNode* fsa = this;
-  for (int i = 0; i < rule->FLength(); ++i)
-    fsa = &fsa->ptr[rule->f_[i]];
-
-  if (!fsa->data)
-    fsa->data.reset(new TextTargetPhraseSet);
-  static_cast<TextTargetPhraseSet*>(fsa->data.get())->AddRule(rule);
-}
-
-void TextFSTNode::AddPassThroughTranslation(const WordID& w, const SparseVector<double>& feats) {
-  TextFSTNode* next = &ptr[w];
-  // current, rules are only added if the symbol is completely missing as a
-  // word starting the phrase.  As a result, it is possible that some sentences
-  // won't parse.  If this becomes a problem, fix it here.
-  if (!next->data) {
-    TextTargetPhraseSet* tps = new TextTargetPhraseSet;
-    next->data.reset(tps);
-    TRule* rule = new TRule;
-    rule->e_.resize(1, w);
-    rule->f_.resize(1, w);
-    rule->lhs_ = TD::Convert("___PHRASE") * -1;
-    rule->scores_ = feats;
-    rule->arity_ = 0;
-    tps->AddRule(TRulePtr(rule));
-    passthroughs.push_back(w); 
-  }
-}
-
-void TextFSTNode::ClearPassThroughTranslations() {
-  for (int i = 0; i < passthroughs.size(); ++i)
-    ptr.erase(passthroughs[i]);
-  passthroughs.clear();
-}
-
-static void AddPhrasetableToFST(istream* in, TextFSTNode* fst) {
-  int lc = 0;
-  bool flag = false;
-  while(*in) {
-    string line;
-    getline(*in, line);
-    if (line.empty()) continue;
-    ++lc;
-    fst->AddPhrase(line);
-    if (lc % 10000 == 0) { flag = true; cerr << '.' << flush; }
-    if (lc % 500000 == 0) { flag = false; cerr << " [" << lc << ']' << endl << flush; }
-  }
-  if (flag) cerr << endl;
-  cerr << "Loaded " << lc << " source phrases\n";
-}
-
-FSTNode* LoadTextPhrasetable(istream* in) {
-  TextFSTNode *fst = new TextFSTNode;
-  AddPhrasetableToFST(in, fst);
-  return fst;
-}
-
-FSTNode* LoadTextPhrasetable(const vector<string>& filenames) {
-  TextFSTNode* fst = new TextFSTNode;
-  for (int i = 0; i < filenames.size(); ++i) {
-    ReadFile rf(filenames[i]);
-    cerr << "Reading phrase from " << filenames[i] << endl;
-    AddPhrasetableToFST(rf.stream(), fst);
-  }
-  return fst;
-}
-
-FSTNode* LoadBinaryPhrasetable(const string& fname_prefix) {
-  (void) fname_prefix;
-  assert(!"not implemented yet");
-}
-