source: box/trunk/lib/common/FdGetLine.h @ 2960

// --------------------------------------------------------------------------
//
// File
//              Name:    FdGetLine.h
//              Purpose: Line based file descriptor reading
//              Created: 2003/07/24
//
// --------------------------------------------------------------------------

#ifndef FDGETLINE__H
#define FDGETLINE__H

#include <string>

#include "GetLine.h"

// --------------------------------------------------------------------------
//
// Class
//              Name:    FdGetLine
//              Purpose: Line based file descriptor reading
//              Created: 2003/07/24
//
// --------------------------------------------------------------------------
class FdGetLine : public GetLine
{
public:
        FdGetLine(int fd);
        virtual ~FdGetLine();
private:
        FdGetLine(const FdGetLine &rToCopy);

public:
        virtual std::string GetLine(bool Preprocess = false);
        // Call to detach, setting file pointer correctly to last bit read.
        // Only works for lseek-able file descriptors.
        void DetachFile();
        // if we read 0 bytes from an fd, it must be end of stream,
        // because we don't support timeouts
        virtual bool IsStreamDataLeft() { return false; }

protected:
        int ReadMore(int Timeout = IOStream::TimeOutInfinite);

private:
        int mFileHandle;
};

#endif // FDGETLINE__H