wrapexpat.h

#ifndef GM_WRAP_EXPAT_H
#define GM_WRAP_EXPAT_H

#include <vector>
#include <stack>

#include "gm/exception.h"
#include "expat.h"

namespace GNUMessenger
{

    using namespace std;

    class Expat
    {
    public:

        class ParseFailure: public Exception
        {
        public:
            ParseFailure(const string& msg): Exception(msg) {}
        };

        Expat();
        virtual ~Expat();

        void parse(string data);

        void reset();

        static inline string trim_right(const string& source, const string& t = " ");
        static inline string trim_left(const string& source, const string& t = " ");
        static inline string trim(const string& source, const string& t = " ");


    protected:
        virtual void recievedTag( XMLNode &n);
        virtual void rootTagRecieved(XMLNode &root);
        virtual void rootTagEnded();
        virtual void parserError(string errorMsg, int line );


    private:

        static void startElement(void *userData, const XML_Char *name, const XML_Char **atts);
        static void endElement(void *userData, const XML_Char *name);
        static void charData(void *userData, const char *data, int len);

        bool rootRecieved;

        void init();
        void cleanup();

        vector<XMLNode> newNodes;       
        
        stack<XMLNode> fillingNodes;        

        XML_Parser parser;
        XMLNode root;
    };

} // !GNUMessenger

#endif // !GM_WRAP_EXPAT_H

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