initial commit

iris-legacy/iris/xmpp-core/compress.h

@@ -0,0 +1,54 @@
+#ifndef COMPRESS_H
+#define COMPRESS_H
+
+#include <QObject>
+
+#include "zlib.h"
+
+class QIODevice;
+
+class Compressor : public QObject
+{
+	Q_OBJECT
+
+public:
+	Compressor(QIODevice* device, int compression = Z_DEFAULT_COMPRESSION);
+	~Compressor();
+
+	int write(const QByteArray&);
+
+protected slots:
+	void flush();
+
+protected:
+	int write(const QByteArray&, bool flush);
+
+private:
+	QIODevice* device_;
+	z_stream* zlib_stream_;
+	bool flushed_;
+};
+
+class Decompressor : public QObject
+{
+	Q_OBJECT
+
+public:
+	Decompressor(QIODevice* device);
+	~Decompressor();
+
+	int write(const QByteArray&);
+
+protected slots:
+	void flush();
+
+protected:
+	int write(const QByteArray&, bool flush);
+
+private:
+	QIODevice* device_;
+	z_stream* zlib_stream_;
+	bool flushed_;
+};
+
+#endif