mirror of https://github.com/dahall/Vanara.git
37 lines
1.6 KiB
C#
37 lines
1.6 KiB
C#
using System.IO;
|
|
|
|
namespace Vanara.Extensions;
|
|
|
|
/// <summary>Extensions for classes in System.IO.</summary>
|
|
public static class IOExtensions
|
|
{
|
|
/// <summary>Writes the specified structure value of type <typeparamref name="T"/> into a binary stream.</summary>
|
|
/// <typeparam name="T">The type of the structure value to write.</typeparam>
|
|
/// <param name="writer">The <see cref="BinaryWriter"/> instance to write into.</param>
|
|
/// <param name="value">The value to write.</param>
|
|
public static void Write<T>(this BinaryWriter writer, T value)
|
|
{
|
|
if (value == null) return;
|
|
if (!typeof(T).IsBlittable())
|
|
throw new ArgumentException(@"The type parameter layout is not sequential or explicit.", nameof(T));
|
|
int sz = Marshal.SizeOf(value);
|
|
byte[] bytes = new byte[sz];
|
|
using (PinnedObject ptr = new(value))
|
|
Marshal.Copy(ptr, bytes, 0, sz);
|
|
writer.Write(bytes);
|
|
}
|
|
|
|
/// <summary>Reads the specified structure value of type <typeparamref name="T"/> from a binary stream.</summary>
|
|
/// <typeparam name="T">The type of the structure value to read.</typeparam>
|
|
/// <param name="reader">The <see cref="BinaryReader"/> instance to read from.</param>
|
|
/// <returns>The value to read from the stream.</returns>
|
|
public static T Read<T>(this BinaryReader reader)
|
|
{
|
|
if (!typeof(T).IsBlittable())
|
|
throw new ArgumentException(@"The type parameter layout is not sequential or explicit.", nameof(T));
|
|
PInvoke.SizeT sz = Marshal.SizeOf(typeof(T));
|
|
byte[] bytes = reader.ReadBytes(sz);
|
|
using PinnedObject ptr = new(bytes);
|
|
return (T)((IntPtr)ptr).Convert(sz, typeof(T))!;
|
|
}
|
|
} |