XString.h

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#ifndef X_STRING_H
#define X_STRING_H

#include <string>
#include <exception>

class XString : public std::exception
{
        protected:
                std::string text;
        public:
                virtual const char* what() const throw()
                {
                        return text.c_str();
                }
                
                XString() {}
                XString(const std::string & s) : text(s) {}
                XString(const XString & s) : text(s.what()) {}
                XString(const char * s) : text(s) {}

                virtual ~XString() throw () {}

                XString operator+(const XString & s) const {
                        return text + s.text;
                }
                XString operator+(const std::string & s) const {
                        return text + s;
                }
                XString operator+(const char * s) const {
                        return text + s;
                }

                 operator std::string() {
                         return text;
                 }

                 operator const std::string() {
                         return text;
                 }
};


#endif // X_STRING_H