69 lines
1.4 KiB
C#
69 lines
1.4 KiB
C#
using System;
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namespace UniFramework.Utility
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{
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internal struct BitMask32
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{
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private int _mask;
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public static implicit operator int(BitMask32 mask) { return mask._mask; }
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public static implicit operator BitMask32(int mask) { return new BitMask32(mask); }
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public BitMask32(int mask)
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{
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_mask = mask;
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}
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/// <summary>
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/// 打开位
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/// </summary>
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public void Open(int bit)
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{
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if (bit < 0 || bit > 31)
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throw new ArgumentOutOfRangeException();
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else
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_mask |= 1 << bit;
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}
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/// <summary>
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/// 关闭位
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/// </summary>
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public void Close(int bit)
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{
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if (bit < 0 || bit > 31)
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throw new ArgumentOutOfRangeException();
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else
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_mask &= ~(1 << bit);
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}
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/// <summary>
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/// 位取反
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/// </summary>
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public void Reverse(int bit)
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{
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if (bit < 0 || bit > 31)
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throw new ArgumentOutOfRangeException();
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else
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_mask ^= 1 << bit;
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}
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/// <summary>
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/// 所有位取反
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/// </summary>
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public void Inverse()
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{
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_mask = ~_mask;
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}
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/// <summary>
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/// 比对位值
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/// </summary>
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public bool Test(int bit)
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{
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if (bit < 0 || bit > 31)
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throw new ArgumentOutOfRangeException();
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else
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return (_mask & (1 << bit)) != 0;
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}
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}
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} |