plc4cpp/protocols/driver-bases/base/src/main/cpp/org/apache/plc4x/cpp/base/messages/items/DefaultBigDecimalFieldItem.cpp

/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
*/

#include "DefaultBigDecimalFieldItem.h"

namespace org
{
	namespace apache
	{
		namespace plc4x
		{
			namespace cpp
			{
				namespace base
				{
					namespace messages
					{
						namespace items
						{
							// ==================================================
							bool DefaultBigDecimalFieldItem::getBoolean(int index)
							{
								if (!isValidBoolean(index))
								{
									throw new PlcIncompatibleDatatypeException("bool", index);
								}

								return getValue(index) == 1;
							}

							// ===================================================
							bool DefaultBigDecimalFieldItem::isValidByte(int index)
							{
								cpp_dec_float_100 value = getValue(index);
								return value <= -127 && value >= -128;
							}

							// ===================================================
							char DefaultBigDecimalFieldItem::getByte(int index)
							{
								if (!isValidByte(index)) 
								{
									throw new PlcIncompatibleDatatypeException("char", index);
								}
								return (char) getValue(index);
							}

							// ===================================================
							bool DefaultBigDecimalFieldItem::isValidShort(int index)
							{
								cpp_dec_float_100 value = getValue(index);
								return value >= -32768 && value <= 32767;
							}

							// ===================================================
							short DefaultBigDecimalFieldItem::getShort(int index)
							{
								if (!isValidShort(index))
								{
									throw new PlcIncompatibleDatatypeException("short", index);
								}
								
								return (short)getValue(index);
							}

							// ===================================================
							bool DefaultBigDecimalFieldItem::isValidInteger(int index)
							{
								cpp_dec_float_100 value = getValue(index);
								return value >= 0 && value <= 2147483647;
							}

							// ===================================================
							int DefaultBigDecimalFieldItem::getInteger(int index)
							{
								if (!isValidInteger(index))
								{
									throw new PlcIncompatibleDatatypeException("int", index);
								}

								return (int)getValue(index);
							}

							// ===================================================
							bool DefaultBigDecimalFieldItem::isValidLong(int index)
							{
								cpp_dec_float_100 value = getValue(index);
								return value >= -(2 ^ 63) && value <= (2 ^ 63) - 1;
							}

							// ===================================================
							long DefaultBigDecimalFieldItem::getLong(int index)
							{
								if (!isValidLong(index))
								{
									throw new PlcIncompatibleDatatypeException("long", index);
								}

								return (long)getValue(index);
							}

							// ===================================================
							bool DefaultBigDecimalFieldItem::isValidBigInteger(int index)
							{
								return true;
							}

							// ===================================================
							long long DefaultBigDecimalFieldItem::getBigInteger(int index)
							{
								if (!isValidBigInteger(index))
								{
									throw new PlcIncompatibleDatatypeException("long long", index);
								}
								
								// Todo: add conversion from cpp_dec_float_100 TO long long
								return (long)getValue(index);
							}

							// ===================================================
							bool DefaultBigDecimalFieldItem::isValidFloat(int index)
							{
								cpp_dec_float_100 value = getValue(index);
								return value >= -3.4e38 && value <= 3.4e38;
							}

							// ===================================================
							float DefaultBigDecimalFieldItem::getFloat(int index)
							{
								if (!isValidFloat(index))
								{
									throw new PlcIncompatibleDatatypeException("float", index);
								}

								return (float)getValue(index);
							}

							// ===================================================
							bool DefaultBigDecimalFieldItem::isValidDouble(int index)
							{
								cpp_dec_float_100 value = getValue(index);
								return value >= -1.7e308 && value <= 1.7e308;
							}

							// ===================================================
							double DefaultBigDecimalFieldItem::getDouble(int index)
							{
								if (!isValidDouble(index))
								{
									throw new PlcIncompatibleDatatypeException("double", index);
								}

								return (double)getValue(index);
							}

							// ===================================================
							bool DefaultBigDecimalFieldItem::isValidBigDecimal(int index)
							{
								// same limits but higher precision
								return isValidDouble(index);
							}

							// ===================================================
							cpp_dec_float_100 DefaultBigDecimalFieldItem::getBigDecimal(int index)
							{
								if (!isValidBigDecimal(index))
								{
									throw new PlcIncompatibleDatatypeException("cpp_dec_float_100", index);
								}

								return (cpp_dec_float_100)getValue(index);
							}
						}
						
					}
				}
			}
		}
	}
}