RegexpChecker.cpp

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/*
 * RegexpChecker.cpp
 *
 *  This file is part of the HausmiSEP project
 *
 *  Copyright (C) 2012, 2013 Marco Alvarado (malvcr@gmail.com)
 *
 *  This program 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.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <HSEP/RegexpChecker.h>

namespace HSEP {

    string RegexpChecker::NOTFOUND = "NOT FOUND";

    RegexpChecker::RegexpChecker(StringDictionary& pDefinitionsRef) : HSEPObject("TypeChecker") {

        pDefinitionsRef.forEach([&](string& xKey, string* xValue){

            string& vValue = *xValue;

            Regexp* vNewExpression = new Regexp(vValue);

            if (vNewExpression->valid()) {
                aRegexps.put(xKey,vNewExpression);
            }
            else {
                delete vNewExpression;
            }

        });

    } //  RegexpChecker constructor

    bool RegexpChecker::match(const char* pType, string pDataStr) {
        bool vResult = false;

        if (aRegexps.has(pType)) {
            return aRegexps.ref(pType).match(pDataStr);
        }

        return vResult;
    } // RegexpChecker::match

    string& RegexpChecker::key(const char* pSample) {

        string& vResult  = NOTFOUND;
        string& vDefault = NOTFOUND;

        bool vFound = false;
        aRegexps.forEach([&](string& xKey, Regexp* xValue) {

            if (!vFound) { // only work if necessary

                if (xValue->text() == "DEFAULT") {
                    vDefault = xKey;
                }
                else {
                    if (xValue->match(pSample)) {
                        vResult = xKey;
                        vFound  = true;
                    }
                }
            }

        });

        if (!vFound) {
            vResult = vDefault;
        }

        return vResult;

    } // RegexpChecker::key

} // HSEP namespace