C++ Simple Parser

simple_parser.cpp

template <class T, class CharType>class Parser
{
    Parser(T &t) :: m_curr(t.begin()) , m_end(t.end()) {}
    
    bool next_char(CharType *c) {
        bool not_eof = m_curr != m_end;
        if (not_eof) {
            *c = *m_curr;
            m_curr++;
        }
        return not_eof;
    }

    Symbol next_symbol() {
        CharType c;
        if (next_char(&c)) {
            switch (c) {
                case '<' :
                    return Symbol::LEFT_BRACE;
                case '>' :
                    return Symbol::RIGHT_BRACE;
            }
        } else {
            return Symbol::EOF;
        }
    }

    void parse() {
        Symbol s = next_symbol();
        while (s != Symbol::EOF) {
            // TODO
            s = next_symbol();
        }
    }

private:
    typename T::const_iterator m_curr;
    typename T::const_iterator m_end;
}

std::wstring ws;
Parser< std::wstring, wchar_t > parser(ws);
parser.parse();