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RegExp.hpp

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#ifndef IONFLUX_TOOLS_REGEXP
#define IONFLUX_TOOLS_REGEXP
/* ==========================================================================
 * Ionflux Tools
 * Copyright (c) 2004 Joern P. Meier
 * mail@ionflux.org
 * --------------------------------------------------------------------------
 * RegExp.hpp                 Regular expression pattern matching
 * ==========================================================================
 * 
 * This file is part of Ionflux Tools.
 * 
 * Ionflux Tools 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 2 of the License, or (at  your option)
 * any later version.
 * 
 * Ionflux Tools 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 Ionflux Tools; if not, write to the Free Software Foundation, 
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 * 
 * ========================================================================== */

#include <math.h>
#include <pcre.h>
#include <string>
#include <iostream>
#include <vector>
#include <map>
#include "ionflux/tools.hpp"
#include "ionflux/Tree.hpp"

namespace Ionflux
{

namespace Tools
{


typedef std::vector<std::string> ReMatch;
typedef std::vector<ReMatch> ReMatchSet;

class RegExp
{
    protected:
        pcre *regExp;
        std::string pattern;
        unsigned int maxSubpatterns;
        int pcreOptions;
        
    public:
        RegExp();
        
        RegExp(const std::string& initPattern);
        
        RegExp(const std::string& initPattern, int initOptions);
        
        virtual ~RegExp();
        
        virtual void setPattern(const std::string& newPattern);
        
        virtual std::string getPattern();
        
        virtual void setOptions(int newOptions);
        
        virtual int getOptions();
        
        virtual void setMaxSubpatterns(unsigned int newMaxSubpatterns);
        
        virtual unsigned int getMaxSubpatterns();
        
        virtual bool match(const std::string& haystack, 
            ReMatch* subPatterns = 0);
        
        virtual unsigned int matchAll(const std::string& haystack, 
            ReMatchSet* subPatterns);
        
        virtual bool match(const std::string& needle, 
            const std::string& haystack, ReMatch* subPatterns);
        
        virtual unsigned int matchAll(const std::string& needle, 
            const std::string& haystack, ReMatchSet* subPatterns);
        
        virtual void replace(std::string& haystack, 
            const std::string& replacement);
        
        virtual void replaceSubpatterns(std::string& haystack, 
            const std::vector<std::string>& replacement);
        
        virtual void replaceAll(std::string& haystack, 
            const std::string& replacement);
        
        virtual void replaceAllSubpatterns(std::string& haystack, 
            const std::vector<std::string>& replacement);
        
        virtual void replace(const std::string& needle, std::string& haystack, 
            const std::string& replacement);
        
        virtual void replaceSubpatterns(const std::string& needle, 
            std::string& haystack, const std::vector<std::string>& replacement);
        
        virtual void replaceAll(const std::string& needle, 
            std::string& haystack, const std::string& replacement);
        
        virtual void replaceAllSubpatterns(const std::string& needle, 
            std::string& haystack, const std::vector<std::string>& replacement);
        
        static void createMatchMap(const ReMatch& match, 
            const std::string& fields, const std::string& separator, 
            const std::string& undefinedPrefix, 
            std::map<std::string, std::string>& record);
        
        static void createMatchMap(const ReMatch& match, 
            const std::vector<std::string>& fields, 
            const std::string& undefinedPrefix, 
            std::map<std::string, std::string>& record);
        
        static void createMatchTree(const ReMatch& match, 
            const std::string& fields, const std::string& separator, 
            const std::string& undefinedPrefix, Node& record);
        
        static void createMatchTree(const ReMatch& match, 
            const std::vector<std::string>& fields, 
            const std::string& undefinedPrefix, Node& record);
        
};


}

}

#endif

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