mirror of https://github.com/dahall/Vanara.git
199 lines
9.0 KiB
C#
199 lines
9.0 KiB
C#
using System;
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using System.ComponentModel;
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using System.Globalization;
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using System.Runtime.InteropServices;
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namespace Vanara;
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/// <summary>Managed instance of the four-byte BOOL type.</summary>
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[StructLayout(LayoutKind.Sequential), Serializable]
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[TypeConverter(typeof(BOOLTypeConverter))]
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public struct BOOL : IComparable, IComparable<BOOL>, IComparable<bool>, IConvertible, IEquatable<BOOL>, IEquatable<bool>
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{
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private uint val;
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internal const uint True = 1U;
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internal const uint False = 0U;
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/// <summary>Initializes a new instance of the <see cref="BOOL"/> struct.</summary>
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/// <param name="value">The value.</param>
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public BOOL(uint value) => val = value;
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/// <summary>Initializes a new instance of the <see cref="BOOL"/> struct.</summary>
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/// <param name="value">The value.</param>
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public BOOL(bool value) => val = value ? True : False;
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/// <summary>Gets the value.</summary>
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/// <value>The value.</value>
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public bool Value { get => val != False; private set => val = value ? True : False; }
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/// <summary>Performs an implicit conversion from <see cref="System.Int32"/> to <see cref="BOOL"/>.</summary>
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/// <param name="value">The value.</param>
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/// <returns>The result of the conversion.</returns>
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public static implicit operator BOOL(int value) => new(unchecked((uint)value));
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/// <summary>Performs an implicit conversion from <see cref="System.UInt32"/> to <see cref="BOOL"/>.</summary>
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/// <param name="value">The value.</param>
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/// <returns>The result of the conversion.</returns>
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public static implicit operator BOOL(uint value) => new(value);
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/// <summary>Performs an implicit conversion from <see cref="System.Boolean"/> to <see cref="BOOL"/>.</summary>
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/// <param name="value">The value.</param>
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/// <returns>The result of the conversion.</returns>
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public static implicit operator BOOL(bool value) => new(value);
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/// <summary>Performs an explicit conversion from <see cref="BOOL"/> to <see cref="System.Int32"/>.</summary>
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/// <param name="value">The value.</param>
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/// <returns>The result of the conversion.</returns>
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public static explicit operator int(BOOL value) => unchecked((int)value.val);
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/// <summary>Performs an explicit conversion from <see cref="BOOL"/> to <see cref="System.UInt32"/>.</summary>
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/// <param name="value">The value.</param>
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/// <returns>The result of the conversion.</returns>
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public static explicit operator uint(BOOL value) => value.val;
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/// <summary>Performs an implicit conversion from <see cref="BOOL"/> to <see cref="System.Boolean"/>.</summary>
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/// <param name="value">The value.</param>
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/// <returns>The result of the conversion.</returns>
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public static implicit operator bool(BOOL value) => value.Value;
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/// <summary>Indicates whether two <see cref="BOOL"/> instances are not equal.</summary>
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/// <param name="s1">The first integral size to compare.</param>
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/// <param name="s2">The second integral size to compare.</param>
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/// <returns>
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/// <see langword="true"/> if the value of <paramref name="s1"/> is not equal to the value of <paramref name="s2"/>; otherwise, <see langword="false"/>.
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/// </returns>
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public static bool operator !=(BOOL s1, BOOL s2) => !s1.Equals(s2);
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/// <summary>Indicates whether a specified <see cref="BOOL"/> is less than another specified <see cref="BOOL"/>.</summary>
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/// <param name="s1">The first integral size to compare.</param>
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/// <param name="s2">The second integral size to compare.</param>
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/// <returns>
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/// <see langword="true"/> if the value of <paramref name="s1"/> is less than the value of <paramref name="s2"/>; otherwise, <see langword="false"/>.
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/// </returns>
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public static bool operator <(BOOL s1, BOOL s2) => s1.CompareTo(s2) < 0;
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/// <summary>Indicates whether a specified <see cref="BOOL"/> is less than or equal to another specified <see cref="BOOL"/>.</summary>
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/// <param name="s1">The first integral size to compare.</param>
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/// <param name="s2">The second integral size to compare.</param>
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/// <returns>
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/// <see langword="true"/> if the value of <paramref name="s1"/> is less than or equal to the value of <paramref name="s2"/>;
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/// otherwise, <see langword="false"/>.
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/// </returns>
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public static bool operator <=(BOOL s1, BOOL s2) => s1.CompareTo(s2) <= 0;
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/// <summary>Indicates whether two <see cref="BOOL"/> instances are equal.</summary>
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/// <param name="s1">The first integral size to compare.</param>
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/// <param name="s2">The second integral size to compare.</param>
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/// <returns>
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/// <see langword="true"/> if the value of <paramref name="s1"/> is equal to the value of <paramref name="s2"/>; otherwise, <see langword="false"/>.
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/// </returns>
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public static bool operator ==(BOOL s1, BOOL s2) => s1.Equals(s2);
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/// <summary>Indicates whether a specified <see cref="BOOL"/> is greater than another specified <see cref="BOOL"/>.</summary>
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/// <param name="s1">The first integral size to compare.</param>
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/// <param name="s2">The second integral size to compare.</param>
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/// <returns>
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/// <see langword="true"/> if the value of <paramref name="s1"/> is greater than the value of <paramref name="s2"/>; otherwise, <see langword="false"/>.
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/// </returns>
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public static bool operator >(BOOL s1, BOOL s2) => s1.CompareTo(s2) > 0;
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/// <summary>Indicates whether a specified <see cref="BOOL"/> is greater than or equal to another specified <see cref="BOOL"/>.</summary>
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/// <param name="s1">The first integral size to compare.</param>
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/// <param name="s2">The second integral size to compare.</param>
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/// <returns>
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/// <see langword="true"/> if the value of <paramref name="s1"/> is greater than or equal to the value of <paramref name="s2"/>;
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/// otherwise, <see langword="false"/>.
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/// </returns>
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public static bool operator >=(BOOL s1, BOOL s2) => s1.CompareTo(s2) >= 0;
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/// <summary>Implements the operator !.</summary>
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/// <param name="value">The value.</param>
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/// <returns>The result of the operator.</returns>
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public static BOOL operator !(BOOL value) => !value.Value;
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/// <inheritdoc/>
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public int CompareTo(BOOL other) => Value.CompareTo(other.Value);
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/// <inheritdoc/>
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public int CompareTo(bool other) => Value.CompareTo(other);
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/// <inheritdoc/>
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public override bool Equals(object obj) => obj is BOOL s ? Equals(s) : (obj is bool b ? Value.Equals(b) : Value.Equals(obj));
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/// <inheritdoc/>
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public bool Equals(BOOL other) => Value.Equals(other.Value);
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/// <inheritdoc/>
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public bool Equals(bool other) => Value.Equals(other);
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/// <inheritdoc/>
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public override int GetHashCode() => unchecked((int)val);
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/// <inheritdoc/>
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public TypeCode GetTypeCode() => Value.GetTypeCode();
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/// <inheritdoc/>
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public override string ToString() => Value.ToString();
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/// <inheritdoc/>
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public string ToString(IFormatProvider provider) => Value.ToString(provider);
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/// <inheritdoc/>
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int IComparable.CompareTo(object obj) => Value.CompareTo(Convert.ChangeType(obj, typeof(ulong)));
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/// <inheritdoc/>
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bool IConvertible.ToBoolean(IFormatProvider provider) => ((IConvertible)Value).ToBoolean(provider);
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/// <inheritdoc/>
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byte IConvertible.ToByte(IFormatProvider provider) => ((IConvertible)Value).ToByte(provider);
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/// <inheritdoc/>
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char IConvertible.ToChar(IFormatProvider provider) => ((IConvertible)Value).ToChar(provider);
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/// <inheritdoc/>
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DateTime IConvertible.ToDateTime(IFormatProvider provider) => ((IConvertible)Value).ToDateTime(provider);
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/// <inheritdoc/>
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decimal IConvertible.ToDecimal(IFormatProvider provider) => ((IConvertible)Value).ToDecimal(provider);
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/// <inheritdoc/>
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double IConvertible.ToDouble(IFormatProvider provider) => ((IConvertible)Value).ToDouble(provider);
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/// <inheritdoc/>
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short IConvertible.ToInt16(IFormatProvider provider) => ((IConvertible)Value).ToInt16(provider);
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/// <inheritdoc/>
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int IConvertible.ToInt32(IFormatProvider provider) => ((IConvertible)Value).ToInt32(provider);
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/// <inheritdoc/>
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long IConvertible.ToInt64(IFormatProvider provider) => ((IConvertible)Value).ToInt64(provider);
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/// <inheritdoc/>
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sbyte IConvertible.ToSByte(IFormatProvider provider) => ((IConvertible)Value).ToSByte(provider);
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/// <inheritdoc/>
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float IConvertible.ToSingle(IFormatProvider provider) => ((IConvertible)Value).ToSingle(provider);
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/// <inheritdoc/>
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object IConvertible.ToType(Type conversionType, IFormatProvider provider) => ((IConvertible)Value).ToBoolean(provider);
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/// <inheritdoc/>
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ushort IConvertible.ToUInt16(IFormatProvider provider) => ((IConvertible)Value).ToUInt16(provider);
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/// <inheritdoc/>
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uint IConvertible.ToUInt32(IFormatProvider provider) => ((IConvertible)Value).ToUInt32(provider);
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/// <inheritdoc/>
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ulong IConvertible.ToUInt64(IFormatProvider provider) => ((IConvertible)Value).ToUInt64(provider);
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internal class BOOLTypeConverter : UInt32Converter
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{
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public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) =>
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value is BOOL b ? base.ConvertTo(context, culture, b.Value, destinationType) : throw new ArgumentException(null, nameof(value));
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public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) =>
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new BOOL((uint)base.ConvertFrom(context, culture, value));
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}
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} |