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// --------------------------------------------------------------------------
//
// File
// Name: GetLine.h
// Purpose: Common base class for line based file descriptor reading
// Created: 2011/04/22
//
// --------------------------------------------------------------------------
#ifndef GETLINE__H
#define GETLINE__H
#include <string>
#ifdef BOX_RELEASE_BUILD
#define GETLINE_BUFFER_SIZE 1024
#elif defined WIN32
// need enough space for at least one unicode character
// in UTF-8 when calling console_read() from bbackupquery
#define GETLINE_BUFFER_SIZE 5
#else
#define GETLINE_BUFFER_SIZE 4
#endif
// Just a very large upper bound for line size to avoid
// people sending lots of data over sockets and causing memory problems.
#define GETLINE_MAX_LINE_SIZE (1024*256)
// --------------------------------------------------------------------------
//
// Class
// Name: GetLine
// Purpose: Common base class for line based file descriptor reading
// Created: 2011/04/22
//
// --------------------------------------------------------------------------
class GetLine
{
protected:
GetLine();
private:
GetLine(const GetLine &rToCopy);
public:
virtual bool IsEOF() {return mEOF;}
int GetLineNumber() {return mLineNumber;}
virtual ~GetLine() { }
protected:
bool GetLineInternal(std::string &rOutput,
bool Preprocess = false,
int Timeout = IOStream::TimeOutInfinite);
virtual int ReadMore(int Timeout = IOStream::TimeOutInfinite) = 0;
virtual bool IsStreamDataLeft() = 0;
char mBuffer[GETLINE_BUFFER_SIZE];
int mLineNumber;
int mBufferBegin;
int mBytesInBuffer;
bool mPendingEOF;
std::string mPendingString;
bool mEOF;
};
#endif // GETLINE__H
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