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SAXParser.hpp

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/***************************************************************************
                          SAXParser.hpp  -  description
                             -------------------
    begin                : Fri Apr 11 2003
    copyright            : (C) 2003 by Tim Hawes
    email                : thawes@althusius.net
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

/*
 * Unhappy with other SAX Parsers for C++, I am writing my own
 * implementation.
 */

#ifndef SAXPARSER_HPP
#define SAXPARSER_HPP

#include <iostream>
#include <vector>
#include <map>
#include <string>
#include <sstream>
#include <stack>

typedef std::map<std::string,std::string> Attributes_t;

class SAXParser
  {
    private:
      // Data
      std::stack<int> isComment;

      // Functions
      inline std::string whiteSpace(std::string& str);
      inline std::string whiteSpace(char* str);

      inline char SAXParser::uppercase(const char &c);

      bool match_nocase(std::string &s1, std::string &s2);

    protected:
      bool variable_replacement;

    public:
      SAXParser();
      void Init(const char* file);
      void Init(std::ostringstream &osstr);
      virtual ~SAXParser();

      void parse(std::istream& istr);
      void parse(std::ostringstream& osstr);
      void parse(std::string& str);

      virtual void print_tag(std::string tag);

      virtual void characters
        (
          const std::string& name,
          const std::string& chars
        );

      virtual void startElement
        (
          const std::string& name,
          Attributes_t& attr,
          bool standalone = false
        );

      virtual void endElement(const std::string& name,
                              bool standalone = false);

      /*
       * Returns the attributes within a tag in the
       * form of map<string,string> typedefed as "Attributes_t".
       */
      Attributes_t tokens(const std::string& s);
      
      virtual void processingInstruction
        (
          std::string& tag,
          Attributes_t& attr
        );
  };

#endif // SAXPARSER_HPP

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