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StringFilter.hpp

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#ifndef IONFLUX_TOOLS_STRINGFILTER
#define IONFLUX_TOOLS_STRINGFILTER
/* ==========================================================================
 * Ionflux Tools
 * Copyright (c) 2004 Joern P. Meier
 * mail@ionflux.org
 * --------------------------------------------------------------------------
 * StringFilter.hpp                    String filter.
 * ==========================================================================
 * 
 * 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 <string>
#include <iostream>
#include <sstream>
#include <vector>
#include <map>
#include "ionflux/Reporter.hpp"
#include "ionflux/Tokenizer.hpp"
#include "ionflux/StringManipulator.hpp"

namespace Ionflux
{

namespace Tools
{


struct StringFilterFunction
{
    std::string func;
    std::vector<std::string> args;
    StringManipulator *manip;
};

struct StringManipulatorEntry
{
    StringManipulator *manip;
    bool manage;
};

class StringFilter
{
    protected:
        Ionflux::Tools::Reporter log;
        std::string filter;
        std::vector<StringFilterFunction *> functions;
        std::vector<StringManipulatorEntry> manipulators;
        std::map<std::string, StringManipulator*> manipIndex;
        Tokenizer tok;
        static StringUppercase STRINGMANIP_UPPERCASE;
        static StringLowercase STRINGMANIP_LOWERCASE;
        static StringErase STRINGMANIP_ERASE;
        static StringReplace STRINGMANIP_REPLACE;
        static StringTrim STRINGMANIP_TRIM;
        static StringLTrim STRINGMANIP_LTRIM;
        static StringRTrim STRINGMANIP_RTRIM;
        static StringTruncate STRINGMANIP_TRUNCATE;
        static StringCenter STRINGMANIP_CENTER;
        static StringMove STRINGMANIP_MOVE;
        static StringAppend STRINGMANIP_APPEND;
        static StringInsert STRINGMANIP_INSERT;
        static StringNumFormat STRINGMANIP_NUMFORMAT;
        static StringTranslate STRINGMANIP_TRANSLATE;
        static StringSubstr STRINGMANIP_SUBSTR;
        static StringLPad STRINGMANIP_LPAD;
        static StringRPad STRINGMANIP_RPAD;
        static StringSWrap STRINGMANIP_SWRAP;
        static StringXMLEscape STRINGMANIP_XMLESCAPE;
        static StringURLEncode STRINGMANIP_URLENCODE;
        
        virtual void clearFunctions();
        
        virtual void clearManipulators();
        
        virtual void initTokenTypes();
        
        virtual void initManipulators();
        
        virtual void parse();
        
        virtual StringManipulator *getManipulator(const std::string& manipName);
        
    public:
        static const TokenType TT_FUNC_SEP;
        static const TokenType TT_FUNC_BRACKET_LEFT;
        static const TokenType TT_FUNC_BRACKET_RIGHT;
        static const TokenType TT_FUNC_ARG_DELIM;
        static const TokenType TT_FUNC_ARG_SEP;
        
        StringFilter();
        
        StringFilter(const std::string& initFilter);
        
        virtual ~StringFilter();
        
        virtual void setFilter(const std::string& newFilter);
        
        virtual void addManipulator(StringManipulator *newManip, bool manage);
        
        virtual std::string apply(const std::string& bytes);
        
        virtual void printDebugInfo();
        
        virtual Reporter &getLog();
};


}

}

#endif

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