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TreeBank.h

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// TreeBank.h: TreeBank file loader class definition
// Haejoong Lee, Xiaoyi Ma, Steven Bird
// Copyright (C) 2001 Linguistic Data Consortium, U Penn.
// Web: http://www.ldc.upenn.edu/; Email: ldc@ldc.upenn.edu
// For license information, see the file `LICENSE' included
// with the distribution.


#ifndef _TREEBANK_H_
#define _TREEBANK_H_

#include <AGTypes.h>
#include "agfio.h"
#include "TBEscapeHandler.h"
#include "TB_UPenn_WSJ_EscapeHandler.h"
#include <fstream>

class DllExport TreeBank : public agfio
{

private:

  TBEscapeHandler* escHandler;
  bool usingDefault;

  virtual bool
  is_id_required()
  { return true; }

  virtual AGIds
  load();

  void
  output_forest(ostream& OUT, const AGId& agId);

  void
  output_tree(ostream& OUT, const AGId& agId, const string& indent="");

public:

  TreeBank() {
    escHandler = new TB_UPenn_WSJ_EscapeHandler;
    usingDefault = true;
  }

  TreeBank(TBEscapeHandler& eh): escHandler(&eh), usingDefault(false) {}

  ~TreeBank()
  { if (usingDefault) delete escHandler; }



  virtual void
  store(const string&       filename,
        const AGIds&        agIds = "",
        map<string,string>* options = NULL);

};

#endif

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