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/*
 *  The Mana Server
 *  Copyright (C) 2004-2010  The Mana World Development Team
 *
 *  This file is part of The Mana Server.
 *
 *  The Mana Server 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
 *  any later version.
 *
 *  The Mana Server 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 The Mana Server.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef SLANGSFILTER_H
#define SLANGSFILTER_H

#include <list>
#include <string>

namespace utils
{

/**
 * Used to filter content containing bad words. Like username, character's
 * names, chat, ...
 */
class StringFilter
{
    public:
        StringFilter();

        ~StringFilter();

        /**
         * Load slang list from the config file.
         *
         * @return true is the config is loaded succesfully
         */
        bool loadSlangFilterList();

        /**
         * Write slang list to the config file.
         *
         * @return true is the config is loaded succesfully
         */
        void writeSlangFilterList();

        /**
        * Useful to filter slangs automatically, by instance.
        * @return true if the sentence is slangs clear.
        */
        bool filterContent(const std::string &text) const;

        /**
         * Tells if an email is valid
         */
        bool isEmailValid(const std::string &email) const;

        /**
         * find double quotes (") in strings.
         * Very useful not to make SQL Queries based on names crash
         * I placed it here cause where you've got " you can have slangs...
         */
        bool findDoubleQuotes(const std::string &text) const;

    private:
        typedef std::list<std::string> Slangs;
        typedef Slangs::iterator SlangIterator;
        Slangs mSlangs;    /**< the formatted Slangs list */
        bool mInitialized;                 /**< Set if the list is loaded */
};

} // ::utils

extern utils::StringFilter *stringFilter;

#endif