107 lines
3.7 KiB
C#
107 lines
3.7 KiB
C#
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using System;
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using System.Runtime.InteropServices;
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namespace Math.Gmp.Native
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{
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/// <summary>
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/// Represents a pointer to a block of unmanaged memory.
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/// </summary>
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/// <remarks></remarks>
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public struct void_ptr
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{
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private IntPtr _pointer;
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/// <summary>
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/// Creates new <see cref="void_ptr"/> from an exidting pointer to unmanaged memory.
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/// </summary>
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/// <param name="pointer">Pointer to unmanaged memory.</param>
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public void_ptr(IntPtr pointer)
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{
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_pointer = pointer;
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}
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/// <summary>
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/// Gets a <see cref="void_ptr"/> from a pointer to a block of unmanaged memory.
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/// </summary>
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/// <param name="value">A pointer to a block of unmanaged memory.</param>
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/// <returns>A <see cref="void_ptr"/> from a pointer to a block of unmanaged memory.</returns>
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public void_ptr FromIntPtr(IntPtr value)
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{
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_pointer = value;
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return this;
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}
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/// <summary>
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/// Gets pointer to block of unmanaged memory.
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/// </summary>
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/// <returns>Pointer to block of unmanaged memory.</returns>
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public IntPtr ToIntPtr()
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{
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return _pointer;
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}
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/// <summary>
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/// Gets a null <see cref="void_ptr"/>.
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/// </summary>
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public static readonly void_ptr Zero = new void_ptr(IntPtr.Zero);
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/// <summary>
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/// Returns a value indicating whether this instance is equal to a specified object.
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/// </summary>
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/// <param name="obj">An object to compare with this instance.</param>
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/// <returns><c>True</c> if <paramref name="obj"/> is an instance of <see cref="void_ptr"/> and equals the value of this instance; otherwise, <c>False</c>.</returns>
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public override bool Equals(object obj)
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{
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if (!(obj is void_ptr))
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return false;
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return Equals((void_ptr)obj);
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}
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/// <summary>
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/// Returns a value indicating whether this instance is equal to a specified <see cref="void_ptr"/> value.
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/// </summary>
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/// <param name="other">A <see cref="void_ptr"/> value to compare to this instance.</param>
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/// <returns><c>True</c> if <paramref name="other"/> has the same value as this instance; otherwise, <c>False</c>.</returns>
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public bool Equals(void_ptr other)
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{
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return _pointer == other._pointer;
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}
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/// <summary>
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/// Returns the hash code for this instance.
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/// </summary>
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/// <returns>A 32-bit signed integer hash code.</returns>
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public override int GetHashCode()
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{
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return _pointer.GetHashCode();
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}
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/// <summary>
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/// Gets a value that indicates whether the two argument values are equal.
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/// </summary>
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/// <param name="value1">A <see cref="void_ptr"/> value.</param>
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/// <param name="value2">A <see cref="void_ptr"/> value.</param>
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/// <returns><c>True</c> if the two values are equal, and <c>False</c> otherwise.</returns>
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public static bool operator ==(void_ptr value1, void_ptr value2)
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{
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return value1.Equals(value2);
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}
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/// <summary>
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/// Gets a value that indicates whether the two argument values are different.
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/// </summary>
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/// <param name="value1">A <see cref="void_ptr"/> value.</param>
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/// <param name="value2">A <see cref="void_ptr"/> value.</param>
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/// <returns><c>True</c> if the two values are different, and <c>False</c> otherwise.</returns>
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public static bool operator !=(void_ptr value1, void_ptr value2)
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{
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return !value1.Equals(value2);
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}
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}
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} |