BasicTokenizer.h

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#ifndef QUERY_BASIC_TOKENIZER_H
#define QUERY_BASIC_TOKENIZER_H
 
#include "Query/ITokenizer.h"
 
#include <cctype>
#include <algorithm>
 
namespace Xale::Query
{
    class BasicTokenizer : public ITokenizer
    {
        public:
            void setInput(const std::string& input) override;

            Token nextToken() override;

            Token peekToken() const override;

            void reset() override;

            std::vector<Token> tokenize() override;
        private:
            Token readToken();
 
            void skipWhitespace();
            char currentChar() const;
            char goNextChar();
            bool isAtEnd() const;
 
            std::string _input;
            size_t _pos = 0;
            mutable bool _hasPeeked = false;
            mutable Token _peekedToken;
    };
}
 
#endif // BASIC_QUERY_TOKENIZER_H