1 files changed, 79 insertions, 0 deletions
diff --git a/kcachegrind/kcachegrind/loader.h b/kcachegrind/kcachegrind/loader.h
new file mode 100644
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+++ b/kcachegrind/kcachegrind/loader.h
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+/* This file is part of KCachegrind.
+   Copyright (C) 2002 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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+/*
+ * Base class for loaders of profiling data.
+ */
+
+#ifndef LOADER_H
+#define LOADER_H
+
+#include <qobject.h>
+#include <qptrlist.h>
+#include <qstring.h>
+
+class QFile;
+class TraceData;
+class TracePart;
+class Loader;
+
+
+typedef QPtrList<Loader> LoaderList;
+
+/**
+ * To implement a new loader, inherit from the Loader class
+ * and implement canLoadTrace(), loadTrace() and if a trace in
+ * this format can consist out of multiple parts, implement
+ * isPartOfTrace(), too.
+ * For registration, put into the static initLoaders() function
+ * of this base class a _loaderList.append(new MyLoader()).
+ *
+ * KCachegrind will use the first matching loader.
+ */
+
+class Loader: public QObject
+{
+    Q_OBJECT
+
+public:
+  Loader(QString name, QString desc);
+  virtual ~Loader();
+
+  virtual bool canLoadTrace(QFile* file);
+  virtual bool loadTrace(TracePart*);
+
+  static Loader* matchingLoader(QFile* file);
+  static Loader* loader(QString name);
+  static void initLoaders();
+  static void deleteLoaders();
+
+  QString name() const { return _name; }
+  QString description() const { return _description; }
+
+signals:
+  void updateStatus(QString, int);
+
+private:
+  QString _name, _description;
+
+  static LoaderList _loaderList;
+};
+
+
+
+#endif