123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414 |
- using System;
- using System.Collections.Generic;
- using System.Diagnostics;
- using System.Linq;
- using System.Text;
- using System.Threading.Tasks;
- namespace CSharpUtil
- {
- public static class BitsUtil
- {
- #region byte extension
- /// <summary>
- /// 返回Int数据中某一位是否为1
- /// </summary>
- /// <param name="value"></param>
- /// <param name="index">32位数据的从右向左的偏移位索引(0~31)</param>
- /// <returns>true表示该位为1,false表示该位为0</returns>
- public static bool GetBitValue(this byte value, int index)
- {
- Trace.Assert(index >= 0 && index <= 7, $"{nameof(index)} is Out Of Range(0..7).");//索引出错
- int val = 1 << index;
- return (value & val) == val;
- }
- /// <summary>
- /// 设定Int数据中某一位的值
- /// </summary>
- /// <param name="value">位设定前的值</param>
- /// <param name="index">32位数据的从右向左的偏移位索引(0~31)</param>
- /// <param name="bitValue">true设该位为1,false设为0</param>
- /// <returns>返回位设定后的值</returns>
- public static byte SetBitValue(ref this byte value, int index, bool bitValue)
- {
- Trace.Assert(index >= 0 && index <= 7, $"{nameof(index)} is Out Of Range(0..7).");//索引出错
- var val = (byte)(1 << index);
- value = (byte)(bitValue ? (value | val) : (value & ~val));
- return value;
- }
- /// <summary>
- /// 根据Int类型的值,返回用1或0(对应True或Flase)填充的数组
- /// <remarks>从右侧开始向左索引(0~31)</remarks>
- /// </summary>
- /// <param name="value"></param>
- /// <returns></returns>
- public static IEnumerable<bool> GetBitList(this byte value)
- {
- var list = new List<bool>(8);
- for (var i = 0; i <= 7; i++)
- {
- int val = 1 << i;
- list.Add((value & val) == val);
- }
- return list;
- }
- /// <summary>
- ///
- /// </summary>
- /// <param name="value"></param>
- /// <param name="index"></param>
- /// <returns></returns>
- public static bool Bit(this byte value, int index) => GetBitValue(value, index);
- /// <summary>
- ///
- /// </summary>
- /// <param name="value"></param>
- /// <returns></returns>
- public static bool[] Bits(this byte value)
- {
- var arr = new bool[8];
- for (var i = 0; i <= 7; i++)
- {
- int x = 1 << i;
- arr[i] = ((value & x) == x);
- }
- return arr;
- }
- #endregion
- #region ushort extension
- /// <summary>
- /// 返回Int数据中某一位是否为1
- /// </summary>
- /// <param name="value"></param>
- /// <param name="index">32位数据的从右向左的偏移位索引(0~31)</param>
- /// <returns>true表示该位为1,false表示该位为0</returns>
- public static bool GetBitValue(this ushort value, int index)
- {
- Trace.Assert(index >= 0 && index <= 15, $"{nameof(index)} is Out Of Range(0..15).");//索引出错
- int val = 1 << index;
- return (value & val) == val;
- }
- /// <summary>
- /// 设定Int数据中某一位的值
- /// </summary>
- /// <param name="value">位设定前的值</param>
- /// <param name="index">32位数据的从右向左的偏移位索引(0~31)</param>
- /// <param name="bitValue">true设该位为1,false设为0</param>
- /// <returns>返回位设定后的值</returns>
- public static ushort SetBitValue(ref this ushort value, int index, bool bitValue)
- {
- Trace.Assert(index >= 0 && index <= 15, $"{nameof(index)} is Out Of Range(0..15).");//索引出错
- var val = (ushort)(1 << index);
- value = (ushort)(bitValue ? (value | val) : (value & ~val));
- return value;
- }
- /// <summary>
- /// 根据Int类型的值,返回用1或0(对应True或Flase)填充的数组
- /// <remarks>从右侧开始向左索引(0~31)</remarks>
- /// </summary>
- /// <param name="value"></param>
- /// <returns></returns>
- public static IEnumerable<bool> GetBitList(this ushort value)
- {
- var list = new List<bool>(16);
- for (var i = 0; i <= 15; i++)
- {
- int val = 1 << i;
- list.Add((value & val) == val);
- }
- return list;
- }
- /// <summary>
- ///
- /// </summary>
- /// <param name="value"></param>
- /// <param name="index"></param>
- /// <returns></returns>
- public static bool Bit(this ushort value, int index) => GetBitValue(value, index);
- /// <summary>
- ///
- /// </summary>
- /// <param name="value"></param>
- /// <returns></returns>
- public static bool[] Bits(this ushort value)
- {
- var arr = new bool[16];
- for (var i = 0; i <= 15; i++)
- {
- int x = 1 << i;
- arr[i] = ((value & x) == x);
- }
- return arr;
- }
- #endregion
- #region short extension
- /// <summary>
- /// 返回Int数据中某一位是否为1
- /// </summary>
- /// <param name="value"></param>
- /// <param name="index">32位数据的从右向左的偏移位索引(0~31)</param>
- /// <returns>true表示该位为1,false表示该位为0</returns>
- public static bool GetBitValue(this short value, int index)
- {
- Trace.Assert(index >= 0 && index <= 15, $"{nameof(index)} is Out Of Range(0..15).");//索引出错
- int val = 1 << index;
- return (value & val) == val;
- }
- /// <summary>
- /// 设定Int数据中某一位的值
- /// </summary>
- /// <param name="value">位设定前的值</param>
- /// <param name="index">32位数据的从右向左的偏移位索引(0~31)</param>
- /// <param name="bitValue">true设该位为1,false设为0</param>
- /// <returns>返回位设定后的值</returns>
- public static short SetBitValue(ref this short value, int index, bool bitValue)
- {
- Trace.Assert(index >= 0 && index <= 15, $"{nameof(index)} is Out Of Range(0..15).");//索引出错
- var val = (short)(1 << index);
- value = (short)(bitValue ? (value | val) : (value & ~val));
- return value;
- }
- /// <summary>
- /// 根据Int类型的值,返回用1或0(对应True或Flase)填充的数组
- /// <remarks>从右侧开始向左索引(0~31)</remarks>
- /// </summary>
- /// <param name="value"></param>
- /// <returns></returns>
- public static IEnumerable<bool> GetBitList(this short value)
- {
- var list = new List<bool>(16);
- for (var i = 0; i <= 15; i++)
- {
- int val = 1 << i;
- list.Add((value & val) == val);
- }
- return list;
- }
- /// <summary>
- ///
- /// </summary>
- /// <param name="value"></param>
- /// <param name="index"></param>
- /// <returns></returns>
- public static bool Bit(this short value, int index) => GetBitValue(value, index);
- /// <summary>
- ///
- /// </summary>
- /// <param name="value"></param>
- /// <returns></returns>
- public static bool[] Bits(this short value)
- {
- var arr = new bool[16];
- for (var i = 0; i <= 15; i++)
- {
- int x = 1 << i;
- arr[i] = ((value & x) == x);
- }
- return arr;
- }
- #endregion
- #region Int extension
- /// <summary>
- /// 返回Int数据中某一位是否为1
- /// </summary>
- /// <param name="value"></param>
- /// <param name="index">32位数据的从右向左的偏移位索引(0~31)</param>
- /// <returns>true表示该位为1,false表示该位为0</returns>
- public static bool GetBitValue(this int value, int index)
- {
- Trace.Assert(index >= 0 && index <= 31, $"{nameof(index)} is Out Of Range(0..31).");//索引出错
- int val = 1 << index;
- return (value & val) == val;
- }
- /// <summary>
- /// 设定Int数据中某一位的值
- /// </summary>
- /// <param name="value">位设定前的值</param>
- /// <param name="index">32位数据的从右向左的偏移位索引(0~31)</param>
- /// <param name="bitValue">true设该位为1,false设为0</param>
- /// <returns>返回位设定后的值</returns>
- public static int SetBitValue(ref this int value, int index, bool bitValue)
- {
- Trace.Assert(index >= 0 && index <= 31, $"{nameof(index)} is Out Of Range(0..31).");//索引出错
- int val = 1 << index;
- value = bitValue ? (value | val) : (value & ~val);
- return value;
- }
- /// <summary>
- /// 根据Int类型的值,返回用1或0(对应True或Flase)填充的数组
- /// <remarks>从右侧开始向左索引(0~31)</remarks>
- /// </summary>
- /// <param name="value"></param>
- /// <returns></returns>
- public static IEnumerable<bool> GetBitList(this int value)
- {
- var list = new List<bool>(32);
- for (var i = 0; i <= 31; i++)
- {
- int val = 1 << i;
- list.Add((value & val) == val);
- }
- return list;
- }
- /// <summary>
- ///
- /// </summary>
- /// <param name="value"></param>
- /// <param name="index"></param>
- /// <returns></returns>
- public static bool Bit(this int value, int index) => GetBitValue(value,index);
- /// <summary>
- ///
- /// </summary>
- /// <param name="value"></param>
- /// <returns></returns>
- public static bool[] Bits(this int value)
- {
- var arr = new bool[32];
- for (var i = 0; i <= 31; i++)
- {
- int x = 1 << i;
- arr[i] = ((value & x) == x);
- }
- return arr;
- }
- #endregion
- #region uint extension
- /// <summary>
- /// 返回Int数据中某一位是否为1
- /// </summary>
- /// <param name="value"></param>
- /// <param name="index">32位数据的从右向左的偏移位索引(0~31)</param>
- /// <returns>true表示该位为1,false表示该位为0</returns>
- public static bool GetBitValue(this uint value, int index)
- {
- Trace.Assert(index >= 0 && index <= 31, $"{nameof(index)} is Out Of Range(0..31).");//索引出错
- uint val = 1u << index;
- return (value & val) == val;
- }
- /// <summary>
- /// 设定Int数据中某一位的值
- /// </summary>
- /// <param name="value">位设定前的值</param>
- /// <param name="index">32位数据的从右向左的偏移位索引(0~31)</param>
- /// <param name="bitValue">true设该位为1,false设为0</param>
- /// <returns>返回位设定后的值</returns>
- public static uint SetBitValue(ref this uint value, int index, bool bitValue)
- {
- Trace.Assert(index >= 0 && index <= 31, $"{nameof(index)} is Out Of Range(0..31).");//索引出错
- uint val = 1u << index;
- value = bitValue ? (value | val) : (value & ~val);
- return value;
- }
- /// <summary>
- /// 根据Int类型的值,返回用1或0(对应True或Flase)填充的数组
- /// <remarks>从右侧开始向左索引(0~31)</remarks>
- /// </summary>
- /// <param name="value"></param>
- /// <returns></returns>
- public static IEnumerable<bool> GetBitList(this uint value)
- {
- var list = new List<bool>(32);
- for (var i = 0; i <= 31; i++)
- {
- uint val = 1u << i;
- list.Add((value & val) == val);
- }
- return list;
- }
- /// <summary>
- ///
- /// </summary>
- /// <param name="value"></param>
- /// <param name="index"></param>
- /// <returns></returns>
- public static bool Bit(this uint value, int index) => GetBitValue(value, index);
- /// <summary>
- ///
- /// </summary>
- /// <param name="value"></param>
- /// <returns></returns>
- public static bool[] Bits(this uint value)
- {
- var arr = new bool[32];
- for (var i = 0; i <= 31; i++)
- {
- uint x = 1u << i;
- arr[i] = ((value & x) == x);
- }
- return arr;
- }
- #endregion
- #region Long extension
- /// <summary>
- /// 返回Int数据中某一位是否为1
- /// </summary>
- /// <param name="value"></param>
- /// <param name="index">32位数据的从右向左的偏移位索引(0~31)</param>
- /// <returns>true表示该位为1,false表示该位为0</returns>
- public static bool GetBitValue(this long value, int index)
- {
- Trace.Assert(index >= 0 && index <= 63, $"{nameof(index)} is Out Of Range(0..63).");//索引出错
- long val = 1 << index;
- return (value & val) == val;
- }
- /// <summary>
- /// 设定Int数据中某一位的值
- /// </summary>
- /// <param name="value">位设定前的值</param>
- /// <param name="index">32位数据的从右向左的偏移位索引(0~31)</param>
- /// <param name="bitValue">true设该位为1,false设为0</param>
- /// <returns>返回位设定后的值</returns>
- public static long SetBitValue(ref this long value, int index, bool bitValue)
- {
- Trace.Assert(index >= 0 && index <= 63, $"{nameof(index)} is Out Of Range(0..63).");//索引出错
- long val = 1 << index;
- value = bitValue ? (value | val) : (value & ~val);
- return value;
- }
- /// <summary>
- /// 根据Int类型的值,返回用1或0(对应True或Flase)填充的数组
- /// <remarks>从右侧开始向左索引(0~31)</remarks>
- /// </summary>
- /// <param name="value"></param>
- /// <returns></returns>
- public static IEnumerable<bool> GetBitList(this long value)
- {
- var list = new List<bool>(64);
- for (var i = 0; i <= 63; i++)
- {
- long val = 1 << i;
- list.Add((value & val) == val);
- }
- return list;
- }
- /// <summary>
- ///
- /// </summary>
- /// <param name="value"></param>
- /// <param name="index"></param>
- /// <returns></returns>
- public static bool Bit(this long value, int index) => GetBitValue(value, index);
- /// <summary>
- ///
- /// </summary>
- /// <param name="value"></param>
- /// <returns></returns>
- public static bool[] Bits(this long value)
- {
- var arr = new bool[64];
- for (var i = 0; i <= 31; i++)
- {
- long x = 1 << i;
- arr[i] = ((value & x) == x);
- }
- return arr;
- }
- #endregion
- }
- }
|