mirror of
https://bitbucket.org/smil3y/kde-playground.git
synced 2025-02-24 10:52:52 +00:00
94 lines
2.7 KiB
C++
94 lines
2.7 KiB
C++
/* This file is part of KCachegrind.
|
|
Copyright (C) 2002 - 2010 Josef Weidendorfer <Josef.Weidendorfer@gmx.de>
|
|
|
|
KCachegrind is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public
|
|
License as published by the Free Software Foundation, version 2.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; see the file COPYING. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
/*
|
|
* Base class for loaders of profiling data.
|
|
*/
|
|
|
|
#ifndef LOADER_H
|
|
#define LOADER_H
|
|
|
|
#include <QList>
|
|
#include <QString>
|
|
|
|
class QIODevice;
|
|
class TraceData;
|
|
class Loader;
|
|
class Logger;
|
|
|
|
/**
|
|
* To implement a new loader, inherit from the Loader class and
|
|
* and reimplement canLoad() and load().
|
|
*
|
|
* For registration, put into the static initLoaders() function
|
|
* of this base class a _loaderList.append(new MyLoader()).
|
|
*
|
|
* matchingLoader() returns the first loader able to load a file.
|
|
*
|
|
* To show progress and warnings while loading,
|
|
* loadStatus(), loadError() and loadWarning() should be called.
|
|
* These are just shown as status, warnings or errors to the
|
|
* user, but do not show real failure, as even errors can be
|
|
* recoverable. For unablility to load a file, return 0 in
|
|
* load().
|
|
*/
|
|
|
|
class Loader
|
|
{
|
|
public:
|
|
Loader(const QString& name, const QString& desc);
|
|
virtual ~Loader();
|
|
|
|
// reimplement for a specific Loader
|
|
virtual bool canLoad(QIODevice* file);
|
|
/* load a profile data file.
|
|
* for every section (time span covered by profile), create a TracePart
|
|
* return the number of sections loaded (0 on error)
|
|
*/
|
|
virtual int load(TraceData*, QIODevice* file, const QString& filename);
|
|
|
|
static Loader* matchingLoader(QIODevice* file);
|
|
static Loader* loader(const QString& name);
|
|
static void initLoaders();
|
|
static void deleteLoaders();
|
|
|
|
QString name() const { return _name; }
|
|
QString description() const { return _description; }
|
|
|
|
// consumer for notifications
|
|
void setLogger(Logger*);
|
|
|
|
protected:
|
|
// notifications for the user
|
|
void loadStart(const QString& filename);
|
|
void loadProgress(int progress); // 0 - 100
|
|
void loadError(int line, const QString& msg);
|
|
void loadWarning(int line, const QString& msg);
|
|
void loadFinished(const QString &msg = QString::null);
|
|
|
|
protected:
|
|
Logger* _logger;
|
|
|
|
private:
|
|
QString _name, _description;
|
|
|
|
static QList<Loader*> _loaderList;
|
|
};
|
|
|
|
|
|
#endif
|