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/*
Author: Marco Costalba (C) 2005-2007
Copyright: See COPYING file that comes with this distribution
*/
#ifndef DATALOADER_H
#define DATALOADER_H
#include <QProcess>
#include <QTime>
#include <QTimer>
class Git;
class FileHistory;
class QString;
class UnbufferedTemporaryFile;
// data exchange facility with 'git log' could be based on QProcess or on
// a temporary file (default). Uncomment following line to use QProcess
// #define USE_QPROCESS
class DataLoader : public QProcess {
Q_OBJECT
public:
DataLoader(Git* g, FileHistory* f);
~DataLoader();
bool start(const QStringList& args, const QString& wd, const QString& buf);
signals:
void newDataReady(const FileHistory*);
void loaded(FileHistory*,ulong,int,bool,const QString&,const QString&);
private slots:
void on_finished(int, QProcess::ExitStatus);
void on_cancel();
void on_cancel(const FileHistory*);
void on_timeout();
private:
void parseSingleBuffer(const QByteArray& ba);
void baAppend(QByteArray** src, const char* ascii, int len);
void addSplittedChunks(const QByteArray* halfChunk);
bool createTemporaryFile();
ulong readNewData(bool lastBuffer);
Git* git;
FileHistory* fh;
QByteArray* halfChunk;
UnbufferedTemporaryFile* dataFile;
QTime loadTime;
QTimer guiUpdateTimer;
ulong loadedBytes;
bool isProcExited;
bool parsing;
bool canceling;
};
#endif
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