text: /***********************************************************************
   Moses - statistical machine translation system
   Copyright (C) 2006-2012 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
   ***********************************************************************/
  
  #pragma once
  
  #include "SentenceMap.h"
  #include "VarSpanNode.h"
  #include "moses/TranslationModel/RuleTable/UTrieNode.h"
  #include "moses/Util.h"
  
  #include <vector>
  
  namespace Moses
  {
  
  struct VarSpanNode;
  
  /** @todo what is this?
   */
  struct ApplicableRuleTrie
  {
   public:
    ApplicableRuleTrie(int start, int end, const UTrieNode &node)
        : m_start(start)
        , m_end(end)
        , m_node(&node)
        , m_vstNode(NULL) {}
  
    ~ApplicableRuleTrie() {
      RemoveAllInColl(m_children);
    }
  
    void Extend(const UTrieNode &root, int minPos, const SentenceMap &sentMap,
                bool followsGap);
  
    int m_start;
    int m_end;
    const UTrieNode *m_node;
    const VarSpanNode *m_vstNode;
    std::vector<ApplicableRuleTrie*> m_children;
  };
  
  }
  