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RE.h

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// RE.h: regex 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 _RE_H_
#define _RE_H_

#include <string>
#include <sys/types.h>
#include "regex.h"
#include "agfioError.h"

class DllExport RE
{
private:
  regex_t *preg;
  size_t nmatch;
  regmatch_t *pmatch;
  string s;
  int span[2];
  bool matched;

public:
  class CompError : public agfioError
  {
  public:
    CompError(const string& s): agfioError("RE:" + s) {}
  };


  class MatchError : public agfioError
  {
  public:
    MatchError(const string& s): agfioError("RE:" + s) {}
  };

  class GetError : public agfioError
  {
  public:
    GetError(const string& s): agfioError("RE:" + s) {}
  };


  RE(const string &pattern);
  ~RE();

  bool match(const string &s);

  string
  get_matched(const int i);

  const int*
  get_span(const int i);
  
  int
  get_nsub();
};

#endif

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