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diff --git a/emb/pastilda/menu/UsbPackageFactory.h b/emb/pastilda/menu/UsbPackageFactory.h
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+++ b/emb/pastilda/menu/UsbPackageFactory.h
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+/*
+ * This file is part of the pastilda project.
+ * hosted at http://github.com/thirdpin/pastilda
+ *
+ * Copyright (C) 2016  Third Pin LLC
+ *
+ * Written by:
+ *  Anastasiia Lazareva <a.lazareva@thirdpin.ru>
+ *	Dmitrii Lisin <mrlisdim@ya.ru>
+ *
+ * This program 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef PACKGES_PACKAGEFACTORY_H_
+#define PACKGES_PACKAGEFACTORY_H_
+
+#include <cstddef>
+#include <string>
+#include <experimental/string_view>
+
+#include <usb_deque.h>
+#include <keys/Key.h>
+
+using std::experimental::basic_string_view;
+using namespace Keys;
+using std::size_t;
+using std::string;
+
+namespace UsbPackages {
+
+class PackageFactory {
+public:
+	typedef const AsciiCodeType* InputDataConst;
+	typedef UsbRawData* OutputData;
+	using PackageDeque = UsbDequeStandart;
+
+	PackageFactory();
+	PackageFactory(PackageDeque* deque);
+	~PackageFactory();
+
+	void processData(InputDataConst inputData, size_t inputDataLength);
+	void processData(const basic_string_view<uint8_t>& inputData);
+	void processData(const char* inputData, size_t inputDataLength);
+	void generateClearSequence();
+	void generateClearSequence(size_t count);
+	void generateEmptyPackage();
+	void generateTabPackage();
+	void generateEnterPackage();
+	void generatePackage(InputDataConst inputData);
+
+private:
+	constexpr static UsbRawData _EMPTY_FIELD = 0;
+
+	PackageDeque* _packageDeque;
+
+	InputDataConst _inputData;
+	size_t _inputDataLength;
+
+	UsbPackage* _currentPackage;
+	size_t _currentPackageFieldNum;
+
+	Key _lastKey;
+
+	void _processInputData();
+
+	void _addEmptyPackage();
+	void _addClearPackage();
+	void _addShiftedPackage(Key& key);
+
+	void _addSimplePackage(Key& key);
+	void _continueSimplePackage(Key& key);
+	void _newSimplePackage(Key& key);
+	void _checkSimplePackageEnd();
+	void _completeLastSimplePackage();
+};
+
+} /* namespace UsbPackages */
+
+#endif /* PACKGES_PACKAGEFACTORY_H_ */