einstein/streams.h

42 lines
799 B
C++

#ifndef __STREAMS_H__
#define __STREAMS_H__
#include <fstream>
#include <list>
/// Read utf-8 file and convert it to wide characters
class UtfStreamReader
{
private:
/// Pointer to file stream
std::ifstream *stream;
/// Push back buffet
std::list<wchar_t> backBuf;
public:
/// Create utf-8 stream reader.
/// \param stream pointer to file stream.
UtfStreamReader(std::ifstream *stream);
/// Destructor
~UtfStreamReader();
public:
/// Read next unicode character.
wchar_t getNextChar();
/// Push back character.
/// \param ch character to push back
void ungetChar(wchar_t ch);
/// Check if end of file reached.
bool isEof();
};
#endif