/// <summary>
/// Reads the <typeparamref name="T"/> using the specified <paramref name="reader"/>.
/// </summary>
/// <param name="reader">The reader.</param>
public async Task <T> ReadValueAsync(AsyncBinaryReader reader)
{
Guard.NotNull(reader, nameof(reader));
var internalValue = new UIntPalmValue(this.Length);
var data = await internalValue.ReadValueAsync(reader);
return((T)(object)(int)data);
}
/// <summary>
/// Writes the specified <paramref name="value"/> using the specified <paramref name="writer"/>.
/// </summary>
/// <param name="writer">The writer.</param>
/// <param name="value">The value.</param>
public async Task WriteValueAsync(AsyncBinaryWriter writer, T value)
{
Guard.NotNull(writer, nameof(writer));
Guard.NotNull(value, nameof(value));
var internalValue = new UIntPalmValue(this.Length);
var data = (uint)(int)(object)value;
await internalValue.WriteValueAsync(writer, data);
}
/// <summary>
/// Writes the specified <paramref name="value"/> using the specified <paramref name="writer"/>.
/// </summary>
/// <param name="writer">The writer.</param>
/// <param name="value">The value.</param>
public async Task WriteValueAsync(AsyncBinaryWriter writer, DateTimeOffset?value)
{
Guard.NotNull(writer, nameof(writer));
DateTimeOffset baseDateTime = this.WriteAsUnixTimeStamp
? new DateTimeOffset(1970, 1, 1, 0, 0, 0, TimeSpan.Zero)
: new DateTimeOffset(1904, 1, 1, 0, 0, 0, TimeSpan.Zero);
var secondsSinceUnixTimestamp = value != null
? (uint)(value.Value - baseDateTime).TotalSeconds
: 0U;
var internalValue = new UIntPalmValue(4);
await internalValue.WriteValueAsync(writer, secondsSinceUnixTimestamp);
}
/// <summary>
/// Reads the <see cref="T:DateTimeOffset?"/> using the specified <paramref name="reader"/>.
/// </summary>
/// <param name="reader">The reader.</param>
public async Task <DateTimeOffset?> ReadValueAsync(AsyncBinaryReader reader)
{
Guard.NotNull(reader, nameof(reader));
var internalValue = new UIntPalmValue(4);
var value = await internalValue.ReadValueAsync(reader);
if (value == 0)
{
return(null);
}
uint highBit = 1U << 31;
var isPalmDate = (value & highBit) > 0;
return(isPalmDate
? new DateTimeOffset(1904, 1, 1, 0, 0, 0, TimeSpan.Zero).AddSeconds(value)
: DateTimeOffset.FromUnixTimeSeconds(value));
}
