Move QsLog to third_party directory

third_party/QsLog/QsLogDestFile.h

@@ -0,0 +1,101 @@
+// Copyright (c) 2013, Razvan Petru
+// All rights reserved.
+
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+
+// * Redistributions of source code must retain the above copyright notice, this
+//   list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright notice, this
+//   list of conditions and the following disclaimer in the documentation and/or other
+//   materials provided with the distribution.
+// * The name of the contributors may not be used to endorse or promote products
+//   derived from this software without specific prior written permission.
+
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+// IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+// OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef QSLOGDESTFILE_H
+#define QSLOGDESTFILE_H
+
+#include "QsLogDest.h"
+#include <QFile>
+#include <QTextStream>
+#include <QtGlobal>
+#include <QSharedPointer>
+
+namespace QsLogging
+{
+class RotationStrategy
+{
+public:
+    virtual ~RotationStrategy();
+
+    virtual void setInitialInfo(const QFile &file) = 0;
+    virtual void includeMessageInCalculation(const QString &message) = 0;
+    virtual bool shouldRotate() = 0;
+    virtual void rotate() = 0;
+    virtual QIODevice::OpenMode recommendedOpenModeFlag() = 0;
+};
+
+// Never rotates file, overwrites existing file.
+class NullRotationStrategy : public RotationStrategy
+{
+public:
+    virtual void setInitialInfo(const QFile &) {}
+    virtual void includeMessageInCalculation(const QString &) {}
+    virtual bool shouldRotate() { return false; }
+    virtual void rotate() {}
+    virtual QIODevice::OpenMode recommendedOpenModeFlag() { return QIODevice::Truncate; }
+};
+
+// Rotates after a size is reached, keeps a number of <= 10 backups, appends to existing file.
+class SizeRotationStrategy : public RotationStrategy
+{
+public:
+    SizeRotationStrategy();
+    static const int MaxBackupCount;
+
+    virtual void setInitialInfo(const QFile &file);
+    virtual void includeMessageInCalculation(const QString &message);
+    virtual bool shouldRotate();
+    virtual void rotate();
+    virtual QIODevice::OpenMode recommendedOpenModeFlag();
+
+    void setMaximumSizeInBytes(qint64 size);
+    void setBackupCount(int backups);
+
+private:
+    QString mFileName;
+    qint64 mCurrentSizeInBytes;
+    qint64 mMaxSizeInBytes;
+    int mBackupsCount;
+};
+
+typedef QSharedPointer<RotationStrategy> RotationStrategyPtr;
+
+// file message sink
+class FileDestination : public Destination
+{
+public:
+    FileDestination(const QString& filePath, RotationStrategyPtr rotationStrategy);
+    virtual void write(const QString& message, Level level);
+    virtual bool isValid();
+
+private:
+    QFile mFile;
+    QTextStream mOutputStream;
+    QSharedPointer<RotationStrategy> mRotationStrategy;
+};
+
+}
+
+#endif // QSLOGDESTFILE_H