TextReader.hpp
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/*
* File: TextReader.hpp
* Author: lennyn
*
* Created on May 28, 2014, 11:43 AM
*/
#ifndef TEXTREADER_HPP
#define TEXTREADER_HPP
#include "../Environment.hpp"
class TextReader {
public:
TextReader(const char* inputStart, const char* inputEnd, const Environment& env);
void markWordStartsHere();
const char* getWordStartPtr() const;
const char* getCurrPtr() const;
const char* getNextPtr();
const char* getEndPtr() const;
int getCodepointsRead() const;
bool isAtEnd() const;
bool isAtWhitespace();
uint32_t peek();
uint32_t normalizedPeek();
uint32_t next();
void skipWhitespaces();
void proceedToEnd();
virtual ~TextReader();
private:
int codepointsNum;
const char* wordStartPtr;
const char* currPtr;
const char* inputEnd;
const Environment& env;
bool knowsAboutWhitespace;
bool atWhitespace;
bool peekIsRead;
uint32_t thePeek;
uint32_t theNormalizedPeek;
const char* ptrAfterThePeek;
};
#endif /* TEXTREADER_HPP */