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Added implementations of the Millistream data types.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| using System; | ||
| using System.Text; | ||
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| namespace Millistream.Streaming.DataTypes | ||
| { | ||
| /// <summary> | ||
| /// Represents a bool (true or false) value. | ||
| /// </summary> | ||
| public readonly struct Bool : IComparable, IComparable<Bool>, IEquatable<Bool> | ||
| { | ||
| #region Fields | ||
| private readonly bool _bool; | ||
| #endregion | ||
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| #region Constructors | ||
| /// <summary> | ||
| /// Creates an instance of a <see cref="Bool"/>. | ||
| /// </summary> | ||
| /// <param name="bool">A value indicating whether the <see cref="Bool"/> is true or false.</param> | ||
| public Bool(bool @bool) => _bool = @bool; | ||
| #endregion | ||
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| #region Methods | ||
| /// <summary> | ||
| /// Converts a memory span that contains the UTF-8 character '1' or '0' to its <see cref="Bool"/> equivalent. | ||
| /// </summary> | ||
| /// <param name="value">The memory span that contains the UTF-8 character to parse.</param> | ||
| /// <returns>A <see cref="Bool"/> object that is equivalent to the value contained in <paramref name="value"/>.</returns> | ||
| /// <exception cref="ArgumentException"></exception> | ||
| public static Bool Parse(ReadOnlySpan<char> value) => | ||
| TryParse(value, out Bool @bool) ? @bool : throw new ArgumentException(Constants.ParseArgumentExceptionMessage, nameof(value)); | ||
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| /// <summary> | ||
| /// Converts a memory span that contains the byte of the UTF-8 character '1' or '0' to its <see cref="Bool"/> equivalent. | ||
| /// </summary> | ||
| /// <param name="value">The memory span that contains the byte of UTF-8 character to parse.</param> | ||
| /// <returns>A <see cref="Bool"/> object that is equivalent to the value contained in <paramref name="value"/>.</returns> | ||
| /// <exception cref="ArgumentException"></exception> | ||
| public static Bool Parse(ReadOnlySpan<byte> value) => | ||
| TryParse(value, out Bool @bool) ? @bool : throw new ArgumentException(Constants.ParseArgumentExceptionMessage, nameof(value)); | ||
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| /// <summary> | ||
| /// Tries to convert a memory span that should contain the UTF-8 character '1' or '0' to its <see cref="Bool"/> equivalent and returns a value that indicates whether the conversion succeeded. | ||
| /// </summary> | ||
| /// <param name="value">The memory span that contains the UTF-8 character(s) to parse.</param> | ||
| /// <param name="bool">The converted <see cref="Bool"/> value or default depending on whether the conversion succeeded or failed.</param> | ||
| /// <returns>true if value was converted successfully; otherwise, false.</returns> | ||
| public static bool TryParse(ReadOnlySpan<char> value, out Bool @bool) | ||
| { | ||
| if (value.Length == 1 && int.TryParse(value, out int i)) | ||
| { | ||
| switch (i) | ||
| { | ||
| case 0: | ||
| @bool = new Bool(false); | ||
| return true; | ||
| case 1: | ||
| @bool = new Bool(true); | ||
| return true; | ||
| } | ||
| } | ||
| @bool = default; | ||
| return false; | ||
| } | ||
|
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| /// <summary> | ||
| /// Tries to convert a memory span that should contain the byte of the UTF-8 character '1' or '0' to its <see cref="Bool"/> equivalent and returns a value that indicates whether the conversion succeeded. | ||
| /// </summary> | ||
| /// <param name="value">The memory span that contains the byte(s) of the UTF-8 character(s) to parse.</param> | ||
| /// <param name="bool">The converted <see cref="Bool"/> value or default depending on whether the conversion succeeded or failed.</param> | ||
| /// <returns>true if value was converted successfully; otherwise, false.</returns> | ||
| public static bool TryParse(ReadOnlySpan<byte> value, out Bool @bool) | ||
| { | ||
| if (value.Length == 1) | ||
| { | ||
| Span<char> chars = stackalloc char[1]; | ||
| Encoding.UTF8.GetChars(value, chars); | ||
| return TryParse(chars, out @bool); | ||
| } | ||
| @bool = default; | ||
| return false; | ||
| } | ||
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| /// <summary> | ||
| /// Compares this instance to a specified <see cref="Bool"/> object and returns an integer that indicates their relationship to one another. | ||
| /// </summary> | ||
| /// <param name="obj">A <see cref="Bool"/> object to compare to this instance.</param> | ||
| /// <returns>A signed integer that indicates the relative values of this instance and <paramref name="obj"/>.</returns> | ||
| public readonly int CompareTo(object obj) | ||
| { | ||
| if (obj == null) | ||
| return 1; | ||
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| if (!(obj is Bool @bool)) | ||
| throw new ArgumentException($"Argument must be of type {nameof(Bool)}.", nameof(obj)); | ||
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| return CompareTo(@bool); | ||
| } | ||
|
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| /// <summary> | ||
| /// Compares this instance to a specified <see cref="Bool"/> object and returns an integer that indicates their relationship to one another. | ||
| /// </summary> | ||
| /// <param name="other">A <see cref="Bool"/> object to compare to this instance.</param> | ||
| /// <returns>A signed integer that indicates the relative values of this instance and <paramref name="other"/>.</returns> | ||
| public readonly int CompareTo(Bool other) => _bool.CompareTo(other._bool); | ||
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| /// <summary> | ||
| /// Returns a value indicating whether this instance is equal to a specified <see cref="Bool"/> object. | ||
| /// </summary> | ||
| /// <param name="other">A <see cref="Bool"/> value to compare to this instance.</param> | ||
| /// <returns>true if <paramref name="other"/> has the same value as this instance; otherwise, false.</returns> | ||
| public readonly bool Equals(Bool other) => _bool == other._bool; | ||
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| /// <summary> | ||
| /// Returns the hash code for this instance. | ||
| /// </summary> | ||
| /// <returns>A hash code for the current <see cref="Bool"/>.</returns> | ||
| public readonly override int GetHashCode() => _bool.GetHashCode(); | ||
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| /// <summary> | ||
| /// Returns a value indicating whether this instance is equal to a specified object. | ||
| /// </summary> | ||
| /// <param name="obj">An object to compare to this instance.</param> | ||
| /// <returns>true if <paramref name="obj"/> is a <see cref="Bool"/> and has the same value as this instance; otherwise, false.</returns> | ||
| public readonly override bool Equals(object obj) => obj is Bool @bool && Equals(@bool); | ||
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| /// <summary> | ||
| /// Converts the value of this instance to its equivalent string representation (either "True" or "False"). | ||
| /// </summary> | ||
| /// <returns><see cref="bool.TrueString"/> if the value of this instance is true, or <see cref="bool.FalseString"/> if the value of this instance is false.</returns> | ||
| public readonly override string ToString() => _bool.ToString(); | ||
| #endregion | ||
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| #region Operators | ||
| /// <summary> | ||
| /// Indicates whether two <see cref="Bool"/> instances are equal. | ||
| /// </summary> | ||
| /// <param name="left">The first instance to compare.</param> | ||
| /// <param name="right">The second instance to compare.</param> | ||
| /// <returns>true if the values of <paramref name="left"/> and <paramref name="right"/> are equal; otherwise, false.</returns> | ||
| public static bool operator ==(Bool left, Bool right) => left.Equals(right); | ||
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| /// <summary> | ||
| /// Indicates whether two <see cref="Bool"/> instances are not equal. | ||
| /// </summary> | ||
| /// <param name="left">The first instance to compare.</param> | ||
| /// <param name="right">The second instance to compare.</param> | ||
| /// <returns>true if the values of <paramref name="left"/> and <paramref name="right"/> are not equal; otherwise, false.</returns> | ||
| public static bool operator !=(Bool left, Bool right) => !left.Equals(right); | ||
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| /// <summary> | ||
| /// Converts a <see cref="Bool"/> to a <see cref="bool"/>. | ||
| /// </summary> | ||
| /// <param name="bool">A <see cref="Bool"/>.</param> | ||
| public static implicit operator bool(Bool @bool) => @bool._bool; | ||
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| /// <summary> | ||
| /// Converts a <see cref="bool"/> to a <see cref="Bool"/>. | ||
| /// </summary> | ||
| /// <param name="bool">A <see cref="bool"/>.</param> | ||
| public static explicit operator Bool(bool @bool) => new Bool(@bool); | ||
| #endregion | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| namespace Millistream.Streaming.DataTypes | ||
| { | ||
| internal static class Constants | ||
| { | ||
| internal const string ParseArgumentExceptionMessage = "Value was not in a correct format."; | ||
| } | ||
| } |
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