regexp.h

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/*
Copyright (C) 2013, 2014
Rafael Guglielmetti, rafael.guglielmetti@unifr.ch
*/

/*
This file is part of CoxIter and AlVin.

CoxIter is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.

CoxIter 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with CoxIter. If not, see <http://www.gnu.org/licenses/>.
*/

#include <string>
#include <iostream>
#include <vector>

#include <pcre.h>

using namespace std;

#ifndef __REGEXP_H__
#define __REGEXP_H__

#include <stdexcept>      // std::invalid_argument // TODO: remove

typedef vector< vector< string > > PCREResult;

class PCRERegexp
{
    private:
        string strError; 
        bool bClassUsed; 

        pcre *regexp;
        const char *regPattern;
        const char *regSubject;
        const char *regError;
        
        int regErrorOffset;
        int regSubjectLength;

        int *ovector; 
        int iOvectorSize; 

    public:
        PCRERegexp( int iOvectorSize = 30 );
        ~PCRERegexp( );

        int preg_match_all( const string &pattern, const string &subject, PCREResult &results, const int& optionsCompile = 0 );

        string get_strError( );
};

#endif