cli: Move most classes to shared lib for reuse

shared/encodingdetector.cpp

@@ -0,0 +1,45 @@
+#include <QDataStream>
+#include "encodingdetector.h"
+#include <looqsgeneralexception.h>
+EncodingDetector::EncodingDetector()
+{
+}
+
+QString EncodingDetector::detectEncoding(const QByteArray &data) const
+{
+	uchardet_t detector = uchardet_new();
+	if(uchardet_handle_data(detector, data.data(), data.size()) != 0)
+	{
+		uchardet_delete(detector);
+		throw LooqsGeneralException("Decoder failed");
+	}
+	uchardet_data_end(detector);
+	QString encoding = uchardet_get_charset(detector);
+	uchardet_delete(detector);
+	return encoding;
+}
+QString EncodingDetector::detectEncoding(QDataStream &s) const
+{
+	uchardet_t detector = uchardet_new();
+
+	char buffer[4096];
+	int n;
+	while((n = s.readRawData(buffer, sizeof(buffer))) > 0)
+	{
+		if(uchardet_handle_data(detector, buffer, n) != 0)
+		{
+			uchardet_delete(detector);
+
+			throw LooqsGeneralException("Decoder failed");
+		}
+	}
+	if(n == -1)
+	{
+		uchardet_delete(detector);
+		throw LooqsGeneralException("Read failed");
+	}
+	uchardet_data_end(detector);
+	QString encoding = uchardet_get_charset(detector);
+	uchardet_delete(detector);
+	return encoding;
+}