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InQueryOpParser.hpp

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/*==========================================================================
 * Copyright (c) 2001 Carnegie Mellon University.  All Rights Reserved.
 *
 * Use of the Lemur Toolkit for Language Modeling and Information Retrieval
 * is subject to the terms of the software license set forth in the LICENSE
 * file included with this software, and also available at
 * http://www.lemurproject.org/license.html
 *
 *==========================================================================
*/

#ifndef _INQUERYOPPARSER_HPP
#define _INQUERYOPPARSER_HPP
#define NESTING_LIMIT 20
#include "Parser.hpp"
#include "TextHandler.hpp"

// Source code in InQueryOpParser.lex

class InQueryOpParser : public Parser {

public:
  static const string identifier;

  InQueryOpParser();

  void parseFile (const string &filename);

  void parseBuffer (char * buf, int len);

  long fileTell() const;
  void doParse();
  void finishing_nesting_qnote(int top);
  void finishing_prox_qnote(int top);
  void parseNestingOp(char *op);
  void parseProxOp(char *op, char *size);
  void parsePassageOp(char *op, char *size);
  void parseSynOp(char *op);
  void parsePropOp(char *op);
  void parseTermOp(char *op);
  void parseQryNode(int tok);
  void parseProxNode(int tok);

private:

  int state;
};

#endif

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