94 lines
3.5 KiB
C#
94 lines
3.5 KiB
C#
#region copyright
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//------------------------------------------------------------------------------
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// 此代码版权声明为全文件覆盖，如有原作者特别声明，会在下方手动补充
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// 此代码版权（除特别声明外的代码）归作者本人Diego所有
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// 源代码使用协议遵循本仓库的开源协议及附加协议
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// Gitee源代码仓库：https://gitee.com/diego2098/ThingsGateway
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// Github源代码仓库：https://github.com/kimdiego2098/ThingsGateway
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// 使用文档：https://diego2098.gitee.io/thingsgateway-docs/
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// QQ群：605534569
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//------------------------------------------------------------------------------
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#endregion
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using ThingsGateway.Foundation.Extension.Generic;
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namespace ThingsGateway.Foundation.Core;
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/// <inheritdoc/>
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public static class ByteExtensions
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{
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/// <summary>
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/// 获取byte数据类型的第offset位，是否为True<br />
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/// </summary>
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/// <param name="value">byte数值</param>
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/// <param name="offset">索引位置</param>
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/// <returns>结果</returns>
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public static bool BoolOnByteIndex(this byte value, int offset)
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{
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byte dataByBitIndex = DataTransUtil.GetDataByBitIndex(offset);
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return (value & dataByBitIndex) == dataByBitIndex;
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}
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/// <summary>
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/// 将byte数组按照双字节进行反转，如果为单数的情况，则自动补齐<br />
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/// </summary>
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/// <param name="inBytes">输入的字节信息</param>
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/// <returns>反转后的数据</returns>
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public static byte[] BytesReverseByWord(this byte[] inBytes)
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{
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if (inBytes == null)
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return null;
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if (inBytes.Length == 0)
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return new byte[] { };
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byte[] lengthEven = inBytes.CopyArray<byte>().ArrayExpandToLengthEven();
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for (int index = 0; index < lengthEven.Length / 2; ++index)
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{
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byte num = lengthEven[index * 2];
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lengthEven[index * 2] = lengthEven[(index * 2) + 1];
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lengthEven[(index * 2) + 1] = num;
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}
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return lengthEven;
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}
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/// <summary>
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/// 从Byte数组中提取位数组，length代表位数<br />
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/// </summary>
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/// <param name="InBytes">原先的字节数组</param>
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/// <param name="length">想要转换的长度，如果超出自动会缩小到数组最大长度</param>
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/// <returns>转换后的bool数组</returns>
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public static bool[] ByteToBoolArray(this byte[] InBytes, int length)
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{
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if (InBytes == null)
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return null;
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if (length > InBytes.Length * 8)
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length = InBytes.Length * 8;
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bool[] boolArray = new bool[length];
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for (int index = 0; index < length; ++index)
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boolArray[index] = InBytes[index / 8].BoolOnByteIndex(index % 8);
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return boolArray;
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}
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/// <summary>
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/// 获取Byte数组的第 boolIndex 偏移的bool值，这个偏移值可以为 10，就是第 1 个字节的 第3位 <br />
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/// </summary>
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/// <param name="bytes">字节数组信息</param>
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/// <param name="boolIndex">指定字节的位偏移</param>
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/// <returns>bool值</returns>
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public static bool GetBoolByIndex(this byte[] bytes, int boolIndex)
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{
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return bytes[boolIndex / 8].BoolOnByteIndex(boolIndex % 8);
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}
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/// <summary>
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/// 字节数组默认转16进制字符
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/// </summary>
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/// <param name="buffer"></param>
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/// <param name="splite"></param>
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/// <returns></returns>
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public static string ToHexString(this byte[] buffer, char splite = default)
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{
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return DataTransUtil.ByteToHexString(buffer, splite);
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}
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} |