/// <summary>
/// Converts the specified <paramref name="value"/> to a byte array using the provided preferred encoding.
/// </summary>
/// <param name="value">The string to be converted.</param>
/// <param name="setup">The <see cref="EncodingOptions"/> which need to be configured.</param>
/// <returns>A <b>byte array</b> which is the result of the specified delegate <paramref name="setup"/>.</returns>
/// <remarks><see cref="EncodingOptions"/> will be initialized with <see cref="EncodingOptions.DefaultPreambleSequence"/> and <see cref="EncodingOptions.DefaultEncoding"/>.</remarks>
public static byte[] FromString(string value, Action <EncodingOptions> setup = null)
{
Validator.ThrowIfNull(value, nameof(value));
var options = setup.ConfigureOptions();
byte[] valueInBytes;
switch (options.Preamble)
{
case PreambleSequence.Keep:
valueInBytes = ByteUtility.CombineByteArrays(options.Encoding.GetPreamble(), options.Encoding.GetBytes(value));
break;
case PreambleSequence.Remove:
valueInBytes = options.Encoding.GetBytes(value);
break;
default:
throw new ArgumentOutOfRangeException(nameof(setup));
}
return(valueInBytes);
}
/// <summary>
/// Converts the given <see cref="Stream"/> to a char array starting from position 0 (when supported).
/// </summary>
/// <param name="value">The <see cref="Stream"/> value to be converted.</param>
/// <param name="setup">The <see cref="EncodingOptions"/> which need to be configured.</param>
/// <returns>A sequence of characters equivalent to the <see cref="Stream"/> value.</returns>
/// <remarks><see cref="EncodingOptions"/> will be initialized with <see cref="EncodingOptions.DefaultPreambleSequence"/> and <see cref="EncodingOptions.DefaultEncoding"/>.</remarks>
public static char[] FromStream(Stream value, Action <EncodingOptions> setup = null)
{
Validator.ThrowIfNull(value, nameof(value));
var options = setup.ConfigureOptions();
if (options.Encoding.Equals(EncodingOptions.DefaultEncoding))
{
options.Encoding = options.DetectEncoding(value);
}
byte[] valueInBytes = ByteConverter.FromStream(value);
switch (options.Preamble)
{
case PreambleSequence.Keep:
break;
case PreambleSequence.Remove:
valueInBytes = ByteUtility.RemovePreamble(valueInBytes, options.Encoding);
break;
default:
throw new ArgumentOutOfRangeException(nameof(options));
}
return(options.Encoding.GetChars(valueInBytes));
}
/// <summary>
/// Removes trailing zero information (if any) from the specified <see cref="byte"/> array.
/// </summary>
/// <param name="input">The input <see cref="byte"/> array to process.</param>
/// <returns>A <see cref="byte"/> array without trailing zeros.</returns>
public static byte[] RemoveTrailingZeros(this byte[] input)
{
return(ByteUtility.RemoveTrailingZeros(input));
}
/// <summary>
/// Removes the preamble information (if present) from the specified <see cref="byte"/> array.
/// </summary>
/// <param name="input">The input <see cref="byte"/> array to process.</param>
/// <param name="encoding">The encoding to use when determining the preamble to remove.</param>
/// <returns>A <see cref="byte"/> array without preamble information.</returns>
public static byte[] RemovePreamble(this byte[] input, Encoding encoding)
{
return(ByteUtility.RemovePreamble(input, encoding));
}
