forked from BilalY/Rasagar
1090 lines
42 KiB
C#
1090 lines
42 KiB
C#
using System;
|
|
using System.Globalization;
|
|
using System.Runtime.InteropServices;
|
|
using Unity.Collections.LowLevel.Unsafe;
|
|
|
|
////REVIEW: add Vector2 and Vector3 as primitive value types?
|
|
|
|
namespace UnityEngine.InputSystem.Utilities
|
|
{
|
|
/// <summary>
|
|
/// A union holding a primitive value.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// This structure is used for storing things such as default states for controls
|
|
/// (see <see cref="Layouts.InputControlLayout.ControlItem.defaultState"/>). It can
|
|
/// store one value of any primitive, non-reference C# type (bool, char, int, float, etc).
|
|
/// </remarks>
|
|
[StructLayout(LayoutKind.Explicit)]
|
|
public struct PrimitiveValue : IEquatable<PrimitiveValue>, IConvertible
|
|
{
|
|
[FieldOffset(0)] private TypeCode m_Type;
|
|
[FieldOffset(4)] private bool m_BoolValue;
|
|
[FieldOffset(4)] private char m_CharValue;
|
|
[FieldOffset(4)] private byte m_ByteValue;
|
|
[FieldOffset(4)] private sbyte m_SByteValue;
|
|
[FieldOffset(4)] private short m_ShortValue;
|
|
[FieldOffset(4)] private ushort m_UShortValue;
|
|
[FieldOffset(4)] private int m_IntValue;
|
|
[FieldOffset(4)] private uint m_UIntValue;
|
|
[FieldOffset(4)] private long m_LongValue;
|
|
[FieldOffset(4)] private ulong m_ULongValue;
|
|
[FieldOffset(4)] private float m_FloatValue;
|
|
[FieldOffset(4)] private double m_DoubleValue;
|
|
|
|
internal unsafe byte* valuePtr => (byte*)UnsafeUtility.AddressOf(ref this) + 4;
|
|
|
|
/// <summary>
|
|
/// Type of value stored in the struct. <see cref="TypeCode.Empty"/>
|
|
/// if the struct does not hold a value (i.e. has been default-initialized).
|
|
/// </summary>
|
|
/// <value>Type of value stored in the struct.</value>
|
|
public TypeCode type => m_Type;
|
|
|
|
/// <summary>
|
|
/// If true, the struct does not contain a primitive value (i.e. has <see cref="type"/>
|
|
/// <see cref="TypeCode.Empty"/>).
|
|
/// </summary>
|
|
/// <value>Whether the struct is holding a value or not.</value>
|
|
public bool isEmpty => type == TypeCode.Empty;
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a bool.
|
|
/// </summary>
|
|
/// <param name="value">A boolean value.</param>
|
|
public PrimitiveValue(bool value)
|
|
: this()
|
|
{
|
|
m_Type = TypeCode.Boolean;
|
|
m_BoolValue = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a character.
|
|
/// </summary>
|
|
/// <param name="value">A character.</param>
|
|
public PrimitiveValue(char value)
|
|
: this()
|
|
{
|
|
m_Type = TypeCode.Char;
|
|
m_CharValue = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a byte.
|
|
/// </summary>
|
|
/// <param name="value">A byte value.</param>
|
|
public PrimitiveValue(byte value)
|
|
: this()
|
|
{
|
|
m_Type = TypeCode.Byte;
|
|
m_ByteValue = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a signed byte.
|
|
/// </summary>
|
|
/// <param name="value">A signed byte value.</param>
|
|
public PrimitiveValue(sbyte value)
|
|
: this()
|
|
{
|
|
m_Type = TypeCode.SByte;
|
|
m_SByteValue = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a short.
|
|
/// </summary>
|
|
/// <param name="value">A short value.</param>
|
|
public PrimitiveValue(short value)
|
|
: this()
|
|
{
|
|
m_Type = TypeCode.Int16;
|
|
m_ShortValue = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding an unsigned short.
|
|
/// </summary>
|
|
/// <param name="value">An unsigned short value.</param>
|
|
public PrimitiveValue(ushort value)
|
|
: this()
|
|
{
|
|
m_Type = TypeCode.UInt16;
|
|
m_UShortValue = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding an int.
|
|
/// </summary>
|
|
/// <param name="value">An int value.</param>
|
|
public PrimitiveValue(int value)
|
|
: this()
|
|
{
|
|
m_Type = TypeCode.Int32;
|
|
m_IntValue = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding an unsigned int.
|
|
/// </summary>
|
|
/// <param name="value">An unsigned int value.</param>
|
|
public PrimitiveValue(uint value)
|
|
: this()
|
|
{
|
|
m_Type = TypeCode.UInt32;
|
|
m_UIntValue = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a long.
|
|
/// </summary>
|
|
/// <param name="value">A long value.</param>
|
|
public PrimitiveValue(long value)
|
|
: this()
|
|
{
|
|
m_Type = TypeCode.Int64;
|
|
m_LongValue = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a ulong.
|
|
/// </summary>
|
|
/// <param name="value">An unsigned long value.</param>
|
|
public PrimitiveValue(ulong value)
|
|
: this()
|
|
{
|
|
m_Type = TypeCode.UInt64;
|
|
m_ULongValue = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a float.
|
|
/// </summary>
|
|
/// <param name="value">A float value.</param>
|
|
public PrimitiveValue(float value)
|
|
: this()
|
|
{
|
|
m_Type = TypeCode.Single;
|
|
m_FloatValue = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a double.
|
|
/// </summary>
|
|
/// <param name="value">A double value.</param>
|
|
public PrimitiveValue(double value)
|
|
: this()
|
|
{
|
|
m_Type = TypeCode.Double;
|
|
m_DoubleValue = value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert to another type of value.
|
|
/// </summary>
|
|
/// <param name="type">Type of value to convert to.</param>
|
|
/// <returns>The converted value.</returns>
|
|
/// <exception cref="ArgumentException">There is no conversion from the
|
|
/// PrimitiveValue's current <see cref="PrimitiveValue.type"/> to
|
|
/// <paramref name="type"/>.</exception>
|
|
/// <remarks>
|
|
/// This method simply calls the other conversion methods (<see cref="ToBoolean"/>,
|
|
/// <see cref="ToChar"/>, etc) based on the current type of value. <c>ArgumentException</c>
|
|
/// is thrown if there is no conversion from the current to the requested type.
|
|
///
|
|
/// Every value can be converted to <c>TypeCode.Empty</c>.
|
|
/// </remarks>
|
|
/// <seealso cref="ToBoolean"/>
|
|
/// <seealso cref="ToChar"/>
|
|
/// <seealso cref="ToByte"/>
|
|
/// <seealso cref="ToSByte"/>
|
|
/// <seealso cref="ToInt16"/>
|
|
/// <seealso cref="ToInt32"/>
|
|
/// <seealso cref="ToInt64"/>
|
|
/// <seealso cref="ToUInt16"/>
|
|
/// <seealso cref="ToUInt32"/>
|
|
/// <seealso cref="ToUInt64"/>
|
|
/// <seealso cref="ToSingle"/>
|
|
/// <seealso cref="ToDouble"/>
|
|
public PrimitiveValue ConvertTo(TypeCode type)
|
|
{
|
|
switch (type)
|
|
{
|
|
case TypeCode.Boolean: return ToBoolean();
|
|
case TypeCode.Char: return ToChar();
|
|
case TypeCode.Byte: return ToByte();
|
|
case TypeCode.SByte: return ToSByte();
|
|
case TypeCode.Int16: return ToInt16();
|
|
case TypeCode.Int32: return ToInt32();
|
|
case TypeCode.Int64: return ToInt64();
|
|
case TypeCode.UInt16: return ToInt16();
|
|
case TypeCode.UInt32: return ToInt32();
|
|
case TypeCode.UInt64: return ToUInt64();
|
|
case TypeCode.Single: return ToSingle();
|
|
case TypeCode.Double: return ToDouble();
|
|
case TypeCode.Empty: return new PrimitiveValue();
|
|
}
|
|
|
|
throw new ArgumentException($"Don't know how to convert PrimitiveValue to '{type}'", nameof(type));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Compare this value to <paramref name="other"/>.
|
|
/// </summary>
|
|
/// <param name="other">Another value.</param>
|
|
/// <returns>True if the two values are equal.</returns>
|
|
/// <remarks>
|
|
/// Equality is based on type and contents. The types of both values
|
|
/// must be identical and the memory contents of each value must be
|
|
/// bit-wise identical (i.e. things such as floating-point epsilons
|
|
/// are not taken into account).
|
|
/// </remarks>
|
|
public unsafe bool Equals(PrimitiveValue other)
|
|
{
|
|
if (m_Type != other.m_Type)
|
|
return false;
|
|
|
|
var thisValuePtr = UnsafeUtility.AddressOf(ref m_DoubleValue);
|
|
var otherValuePtr = UnsafeUtility.AddressOf(ref other.m_DoubleValue);
|
|
|
|
return UnsafeUtility.MemCmp(thisValuePtr, otherValuePtr, sizeof(double)) == 0;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Compare this value to the value of <paramref name="obj"/>.
|
|
/// </summary>
|
|
/// <param name="obj">Either another PrimitiveValue or a boxed primitive
|
|
/// value such as a byte, bool, etc.</param>
|
|
/// <returns>True if the two values are equal.</returns>
|
|
/// <remarks>
|
|
/// If <paramref name="obj"/> is a boxed primitive value, it is automatically
|
|
/// converted to a PrimitiveValue.
|
|
/// </remarks>
|
|
public override bool Equals(object obj)
|
|
{
|
|
if (ReferenceEquals(null, obj))
|
|
return false;
|
|
if (obj is PrimitiveValue value)
|
|
return Equals(value);
|
|
if (obj is bool || obj is char || obj is byte || obj is sbyte || obj is short
|
|
|| obj is ushort || obj is int || obj is uint || obj is long || obj is ulong
|
|
|| obj is float || obj is double)
|
|
return Equals(FromObject(obj));
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Compare two PrimitiveValues for equality.
|
|
/// </summary>
|
|
/// <param name="left">First value.</param>
|
|
/// <param name="right">Second value.</param>
|
|
/// <returns>True if the two values are equal.</returns>
|
|
/// <seealso cref="Equals(PrimitiveValue)"/>
|
|
public static bool operator==(PrimitiveValue left, PrimitiveValue right)
|
|
{
|
|
return left.Equals(right);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Compare two PrimitiveValues for inequality.
|
|
/// </summary>
|
|
/// <param name="left">First value.</param>
|
|
/// <param name="right">Second value.</param>
|
|
/// <returns>True if the two values are not equal.</returns>
|
|
/// <seealso cref="Equals(PrimitiveValue)"/>
|
|
public static bool operator!=(PrimitiveValue left, PrimitiveValue right)
|
|
{
|
|
return !left.Equals(right);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Compute a hash code for the value.
|
|
/// </summary>
|
|
/// <returns>A hash code.</returns>
|
|
public override unsafe int GetHashCode()
|
|
{
|
|
unchecked
|
|
{
|
|
fixed(double* valuePtr = &m_DoubleValue)
|
|
{
|
|
var hashCode = m_Type.GetHashCode();
|
|
hashCode = (hashCode * 397) ^ valuePtr->GetHashCode();
|
|
return hashCode;
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Return a string representation of the value.
|
|
/// </summary>
|
|
/// <returns>A string representation of the value.</returns>
|
|
/// <remarks>
|
|
/// String versions of PrimitiveValues are always culture invariant. This means that
|
|
/// floating-point values, for example, will <em>not</em> the decimal separator of
|
|
/// the current culture.
|
|
/// </remarks>
|
|
/// <seealso cref="FromString"/>
|
|
public override string ToString()
|
|
{
|
|
switch (type)
|
|
{
|
|
case TypeCode.Boolean:
|
|
// Default ToString() uses "False" and "True". We want lowercase to match C# literals.
|
|
return m_BoolValue ? "true" : "false";
|
|
case TypeCode.Char:
|
|
return $"'{m_CharValue.ToString()}'";
|
|
case TypeCode.Byte:
|
|
return m_ByteValue.ToString(CultureInfo.InvariantCulture.NumberFormat);
|
|
case TypeCode.SByte:
|
|
return m_SByteValue.ToString(CultureInfo.InvariantCulture.NumberFormat);
|
|
case TypeCode.Int16:
|
|
return m_ShortValue.ToString(CultureInfo.InvariantCulture.NumberFormat);
|
|
case TypeCode.UInt16:
|
|
return m_UShortValue.ToString(CultureInfo.InvariantCulture.NumberFormat);
|
|
case TypeCode.Int32:
|
|
return m_IntValue.ToString(CultureInfo.InvariantCulture.NumberFormat);
|
|
case TypeCode.UInt32:
|
|
return m_UIntValue.ToString(CultureInfo.InvariantCulture.NumberFormat);
|
|
case TypeCode.Int64:
|
|
return m_LongValue.ToString(CultureInfo.InvariantCulture.NumberFormat);
|
|
case TypeCode.UInt64:
|
|
return m_ULongValue.ToString(CultureInfo.InvariantCulture.NumberFormat);
|
|
case TypeCode.Single:
|
|
return m_FloatValue.ToString(CultureInfo.InvariantCulture.NumberFormat);
|
|
case TypeCode.Double:
|
|
return m_DoubleValue.ToString(CultureInfo.InvariantCulture.NumberFormat);
|
|
default:
|
|
return string.Empty;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Parse the given string into a PrimitiveValue.
|
|
/// </summary>
|
|
/// <param name="value">A string containing a value.</param>
|
|
/// <returns>The PrimitiveValue parsed from the string.</returns>
|
|
/// <remarks>
|
|
/// Integers are parsed as longs. Floating-point numbers are parsed as doubles.
|
|
/// Hexadecimal notation is supported for integers.
|
|
/// </remarks>
|
|
/// <seealso cref="ToString()"/>
|
|
public static PrimitiveValue FromString(string value)
|
|
{
|
|
if (string.IsNullOrEmpty(value))
|
|
return new PrimitiveValue();
|
|
|
|
// Bool.
|
|
if (value.Equals("true", StringComparison.InvariantCultureIgnoreCase))
|
|
return new PrimitiveValue(true);
|
|
if (value.Equals("false", StringComparison.InvariantCultureIgnoreCase))
|
|
return new PrimitiveValue(false);
|
|
|
|
// Double.
|
|
if (value.Contains('.') || value.Contains("e") || value.Contains("E") ||
|
|
value.Contains("infinity", StringComparison.InvariantCultureIgnoreCase))
|
|
{
|
|
if (double.TryParse(value, NumberStyles.Float, CultureInfo.InvariantCulture, out var doubleResult))
|
|
return new PrimitiveValue(doubleResult);
|
|
}
|
|
|
|
// Long.
|
|
if (long.TryParse(value, NumberStyles.Integer, CultureInfo.InvariantCulture, out var longResult))
|
|
{
|
|
return new PrimitiveValue(longResult);
|
|
}
|
|
// Try hex format. For whatever reason, HexNumber does not allow a 0x prefix so we manually
|
|
// get rid of it.
|
|
if (value.IndexOf("0x", StringComparison.InvariantCultureIgnoreCase) != -1)
|
|
{
|
|
var hexDigits = value.TrimStart();
|
|
if (hexDigits.StartsWith("0x"))
|
|
hexDigits = hexDigits.Substring(2);
|
|
|
|
if (long.TryParse(hexDigits, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out var hexResult))
|
|
return new PrimitiveValue(hexResult);
|
|
}
|
|
|
|
////TODO: allow trailing width specifier
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Equivalent to <see cref="type"/>.
|
|
/// </summary>
|
|
/// <returns>Type code for value stored in struct.</returns>
|
|
public TypeCode GetTypeCode()
|
|
{
|
|
return type;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert the value to a boolean.
|
|
/// </summary>
|
|
/// <param name="provider">Ignored.</param>
|
|
/// <returns>Converted boolean value.</returns>
|
|
public bool ToBoolean(IFormatProvider provider = null)
|
|
{
|
|
switch (type)
|
|
{
|
|
case TypeCode.Boolean:
|
|
return m_BoolValue;
|
|
case TypeCode.Char:
|
|
return m_CharValue != default;
|
|
case TypeCode.Byte:
|
|
return m_ByteValue != default;
|
|
case TypeCode.SByte:
|
|
return m_SByteValue != default;
|
|
case TypeCode.Int16:
|
|
return m_ShortValue != default;
|
|
case TypeCode.UInt16:
|
|
return m_UShortValue != default;
|
|
case TypeCode.Int32:
|
|
return m_IntValue != default;
|
|
case TypeCode.UInt32:
|
|
return m_UIntValue != default;
|
|
case TypeCode.Int64:
|
|
return m_LongValue != default;
|
|
case TypeCode.UInt64:
|
|
return m_ULongValue != default;
|
|
case TypeCode.Single:
|
|
return !Mathf.Approximately(m_FloatValue, default);
|
|
case TypeCode.Double:
|
|
return NumberHelpers.Approximately(m_DoubleValue, default);
|
|
default:
|
|
return default;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert the value to a byte.
|
|
/// </summary>
|
|
/// <param name="provider">Ignored.</param>
|
|
/// <returns>Converted byte value.</returns>
|
|
public byte ToByte(IFormatProvider provider = null)
|
|
{
|
|
return (byte)ToInt64(provider);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert the value to a char.
|
|
/// </summary>
|
|
/// <param name="provider">Ignored.</param>
|
|
/// <returns>Converted char value.</returns>
|
|
public char ToChar(IFormatProvider provider = null)
|
|
{
|
|
switch (type)
|
|
{
|
|
case TypeCode.Char:
|
|
return m_CharValue;
|
|
case TypeCode.Int16:
|
|
case TypeCode.Int32:
|
|
case TypeCode.Int64:
|
|
case TypeCode.UInt16:
|
|
case TypeCode.UInt32:
|
|
case TypeCode.UInt64:
|
|
return (char)ToInt64(provider);
|
|
default:
|
|
return default;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Not supported. Throws <c>NotSupportedException</c>.
|
|
/// </summary>
|
|
/// <param name="provider">Ignored.</param>
|
|
/// <returns>Does not return.</returns>
|
|
/// <exception cref="NotSupportedException">Always thrown.</exception>
|
|
public DateTime ToDateTime(IFormatProvider provider = null)
|
|
{
|
|
throw new NotSupportedException("Converting PrimitiveValue to DateTime");
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert the value to a decimal.
|
|
/// </summary>
|
|
/// <param name="provider">Ignored.</param>
|
|
/// <returns>Value converted to decimal format.</returns>
|
|
public decimal ToDecimal(IFormatProvider provider = null)
|
|
{
|
|
return new decimal(ToDouble(provider));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert the value to a double.
|
|
/// </summary>
|
|
/// <param name="provider">Ignored.</param>
|
|
/// <returns>Converted double value.</returns>
|
|
public double ToDouble(IFormatProvider provider = null)
|
|
{
|
|
switch (type)
|
|
{
|
|
case TypeCode.Boolean:
|
|
if (m_BoolValue)
|
|
return 1;
|
|
return 0;
|
|
case TypeCode.Char:
|
|
return m_CharValue;
|
|
case TypeCode.Byte:
|
|
return m_ByteValue;
|
|
case TypeCode.SByte:
|
|
return m_SByteValue;
|
|
case TypeCode.Int16:
|
|
return m_ShortValue;
|
|
case TypeCode.UInt16:
|
|
return m_UShortValue;
|
|
case TypeCode.Int32:
|
|
return m_IntValue;
|
|
case TypeCode.UInt32:
|
|
return m_UIntValue;
|
|
case TypeCode.Int64:
|
|
return m_LongValue;
|
|
case TypeCode.UInt64:
|
|
return m_ULongValue;
|
|
case TypeCode.Single:
|
|
return m_FloatValue;
|
|
case TypeCode.Double:
|
|
return m_DoubleValue;
|
|
default:
|
|
return default;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert the value to a <c>short</c>.
|
|
/// </summary>
|
|
/// <param name="provider">Ignored.</param>
|
|
/// <returns>Converted <c>short</c> value.</returns>
|
|
public short ToInt16(IFormatProvider provider = null)
|
|
{
|
|
return (short)ToInt64(provider);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert the value to an <c>int</c>
|
|
/// </summary>
|
|
/// <param name="provider">Ignored.</param>
|
|
/// <returns>Converted <c>int</c> value.</returns>
|
|
public int ToInt32(IFormatProvider provider = null)
|
|
{
|
|
return (int)ToInt64(provider);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert the value to a <c>long</c>
|
|
/// </summary>
|
|
/// <param name="provider">Ignored.</param>
|
|
/// <returns>Converted <c>long</c> value.</returns>
|
|
public long ToInt64(IFormatProvider provider = null)
|
|
{
|
|
switch (type)
|
|
{
|
|
case TypeCode.Boolean:
|
|
if (m_BoolValue)
|
|
return 1;
|
|
return 0;
|
|
case TypeCode.Char:
|
|
return m_CharValue;
|
|
case TypeCode.Byte:
|
|
return m_ByteValue;
|
|
case TypeCode.SByte:
|
|
return m_SByteValue;
|
|
case TypeCode.Int16:
|
|
return m_ShortValue;
|
|
case TypeCode.UInt16:
|
|
return m_UShortValue;
|
|
case TypeCode.Int32:
|
|
return m_IntValue;
|
|
case TypeCode.UInt32:
|
|
return m_UIntValue;
|
|
case TypeCode.Int64:
|
|
return m_LongValue;
|
|
case TypeCode.UInt64:
|
|
return (long)m_ULongValue;
|
|
case TypeCode.Single:
|
|
return (long)m_FloatValue;
|
|
case TypeCode.Double:
|
|
return (long)m_DoubleValue;
|
|
default:
|
|
return default;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert the value to a <c>sbyte</c>.
|
|
/// </summary>
|
|
/// <param name="provider">Ignored.</param>
|
|
/// <returns>Converted <c>sbyte</c> value.</returns>
|
|
public sbyte ToSByte(IFormatProvider provider = null)
|
|
{
|
|
return (sbyte)ToInt64(provider);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert the value to a <c>float</c>.
|
|
/// </summary>
|
|
/// <param name="provider">Ignored.</param>
|
|
/// <returns>Converted <c>float</c> value.</returns>
|
|
public float ToSingle(IFormatProvider provider = null)
|
|
{
|
|
return (float)ToDouble(provider);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert the value to a <c>string</c>.
|
|
/// </summary>
|
|
/// <param name="provider">Ignored.</param>
|
|
/// <returns>Converted <c>string</c> value.</returns>
|
|
/// <remarks>
|
|
/// Same as calling <see cref="ToString()"/>.
|
|
/// </remarks>
|
|
public string ToString(IFormatProvider provider)
|
|
{
|
|
return ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Not supported.
|
|
/// </summary>
|
|
/// <param name="conversionType">Ignored.</param>
|
|
/// <param name="provider">Ignored.</param>
|
|
/// <returns>Does not return.</returns>
|
|
/// <exception cref="NotSupportedException">Always thrown.</exception>
|
|
public object ToType(Type conversionType, IFormatProvider provider)
|
|
{
|
|
throw new NotSupportedException();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert the value to a <c>ushort</c>.
|
|
/// </summary>
|
|
/// <param name="provider">Ignored.</param>
|
|
/// <returns>Converted <c>ushort</c> value.</returns>
|
|
public ushort ToUInt16(IFormatProvider provider = null)
|
|
{
|
|
return (ushort)ToUInt64();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert the value to a <c>uint</c>.
|
|
/// </summary>
|
|
/// <param name="provider">Ignored.</param>
|
|
/// <returns>Converted <c>uint</c> value.</returns>
|
|
public uint ToUInt32(IFormatProvider provider = null)
|
|
{
|
|
return (uint)ToUInt64();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Convert the value to a <c>ulong</c>.
|
|
/// </summary>
|
|
/// <param name="provider">Ignored.</param>
|
|
/// <returns>Converted <c>ulong</c> value.</returns>
|
|
public ulong ToUInt64(IFormatProvider provider = null)
|
|
{
|
|
switch (type)
|
|
{
|
|
case TypeCode.Boolean:
|
|
if (m_BoolValue)
|
|
return 1;
|
|
return 0;
|
|
case TypeCode.Char:
|
|
return m_CharValue;
|
|
case TypeCode.Byte:
|
|
return m_ByteValue;
|
|
case TypeCode.SByte:
|
|
return (ulong)m_SByteValue;
|
|
case TypeCode.Int16:
|
|
return (ulong)m_ShortValue;
|
|
case TypeCode.UInt16:
|
|
return m_UShortValue;
|
|
case TypeCode.Int32:
|
|
return (ulong)m_IntValue;
|
|
case TypeCode.UInt32:
|
|
return m_UIntValue;
|
|
case TypeCode.Int64:
|
|
return (ulong)m_LongValue;
|
|
case TypeCode.UInt64:
|
|
return m_ULongValue;
|
|
case TypeCode.Single:
|
|
return (ulong)m_FloatValue;
|
|
case TypeCode.Double:
|
|
return (ulong)m_DoubleValue;
|
|
default:
|
|
return default;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Return a boxed version of the value.
|
|
/// </summary>
|
|
/// <returns>A boxed GC heap object.</returns>
|
|
/// <remarks>
|
|
/// This method always allocates GC heap memory.
|
|
/// </remarks>
|
|
public object ToObject()
|
|
{
|
|
switch (m_Type)
|
|
{
|
|
case TypeCode.Boolean: return m_BoolValue;
|
|
case TypeCode.Char: return m_CharValue;
|
|
case TypeCode.Byte: return m_ByteValue;
|
|
case TypeCode.SByte: return m_SByteValue;
|
|
case TypeCode.Int16: return m_ShortValue;
|
|
case TypeCode.UInt16: return m_UShortValue;
|
|
case TypeCode.Int32: return m_IntValue;
|
|
case TypeCode.UInt32: return m_UIntValue;
|
|
case TypeCode.Int64: return m_LongValue;
|
|
case TypeCode.UInt64: return m_ULongValue;
|
|
case TypeCode.Single: return m_FloatValue;
|
|
case TypeCode.Double: return m_DoubleValue;
|
|
default: return null;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue from the given "blittable"/struct value.
|
|
/// </summary>
|
|
/// <param name="value">A value.</param>
|
|
/// <typeparam name="TValue">Type of value to convert. Must be either an <c>enum</c>
|
|
/// or one of the C# primitive value types (<c>bool</c>, <c>int</c>, <c>float</c>, etc.).</typeparam>
|
|
/// <returns>The PrimitiveValue converted from <paramref name="value"/>. If it is an
|
|
/// <c>enum</c> type, the PrimitiveValue will hold a value of the enum's underlying
|
|
/// type (i.e. <c>Type.GetEnumUnderlyingType</c>).</returns>
|
|
/// <exception cref="ArgumentException">No conversion exists from the given <typeparamref name="TValue"/>
|
|
/// type.</exception>
|
|
public static PrimitiveValue From<TValue>(TValue value)
|
|
where TValue : struct
|
|
{
|
|
var type = typeof(TValue);
|
|
if (type.IsEnum)
|
|
type = type.GetEnumUnderlyingType();
|
|
|
|
var typeCode = Type.GetTypeCode(type);
|
|
switch (typeCode)
|
|
{
|
|
case TypeCode.Boolean: return new PrimitiveValue(Convert.ToBoolean(value));
|
|
case TypeCode.Char: return new PrimitiveValue(Convert.ToChar(value));
|
|
case TypeCode.Byte: return new PrimitiveValue(Convert.ToByte(value));
|
|
case TypeCode.SByte: return new PrimitiveValue(Convert.ToSByte(value));
|
|
case TypeCode.Int16: return new PrimitiveValue(Convert.ToInt16(value));
|
|
case TypeCode.Int32: return new PrimitiveValue(Convert.ToInt32(value));
|
|
case TypeCode.Int64: return new PrimitiveValue(Convert.ToInt64(value));
|
|
case TypeCode.UInt16: return new PrimitiveValue(Convert.ToUInt16(value));
|
|
case TypeCode.UInt32: return new PrimitiveValue(Convert.ToUInt32(value));
|
|
case TypeCode.UInt64: return new PrimitiveValue(Convert.ToUInt64(value));
|
|
case TypeCode.Single: return new PrimitiveValue(Convert.ToSingle(value));
|
|
case TypeCode.Double: return new PrimitiveValue(Convert.ToDouble(value));
|
|
}
|
|
|
|
throw new ArgumentException(
|
|
$"Cannot convert value '{value}' of type '{typeof(TValue).Name}' to PrimitiveValue", nameof(value));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue from a boxed value.
|
|
/// </summary>
|
|
/// <param name="value">A value. If <c>null</c>, the result will be <c>default(PrimitiveValue)</c>.
|
|
/// If it is a <c>string</c>, <see cref="FromString"/> is used. Otherwise must be either an <c>enum</c>
|
|
/// or one of the C# primitive value types (<c>bool</c>, <c>int</c>, <c>float</c>, etc.). If it is an
|
|
/// <c>enum</c> type, the PrimitiveValue will hold a value of the enum's underlying
|
|
/// type (i.e. <c>Type.GetEnumUnderlyingType</c>).</param>
|
|
/// <exception cref="ArgumentException">No conversion exists from the type of <paramref name="value"/>.</exception>
|
|
public static PrimitiveValue FromObject(object value)
|
|
{
|
|
if (value == null)
|
|
return new PrimitiveValue();
|
|
|
|
if (value is string stringValue)
|
|
return FromString(stringValue);
|
|
|
|
if (value is bool b)
|
|
return new PrimitiveValue(b);
|
|
if (value is char ch)
|
|
return new PrimitiveValue(ch);
|
|
if (value is byte bt)
|
|
return new PrimitiveValue(bt);
|
|
if (value is sbyte sbt)
|
|
return new PrimitiveValue(sbt);
|
|
if (value is short s)
|
|
return new PrimitiveValue(s);
|
|
if (value is ushort us)
|
|
return new PrimitiveValue(us);
|
|
if (value is int i)
|
|
return new PrimitiveValue(i);
|
|
if (value is uint ui)
|
|
return new PrimitiveValue(ui);
|
|
if (value is long l)
|
|
return new PrimitiveValue(l);
|
|
if (value is ulong ul)
|
|
return new PrimitiveValue(ul);
|
|
if (value is float f)
|
|
return new PrimitiveValue(f);
|
|
if (value is double d)
|
|
return new PrimitiveValue(d);
|
|
|
|
// Enum.
|
|
if (value is Enum)
|
|
{
|
|
var underlyingType = value.GetType().GetEnumUnderlyingType();
|
|
var underlyingTypeCode = Type.GetTypeCode(underlyingType);
|
|
switch (underlyingTypeCode)
|
|
{
|
|
case TypeCode.Byte: return new PrimitiveValue((byte)value);
|
|
case TypeCode.SByte: return new PrimitiveValue((sbyte)value);
|
|
case TypeCode.Int16: return new PrimitiveValue((short)value);
|
|
case TypeCode.Int32: return new PrimitiveValue((int)value);
|
|
case TypeCode.Int64: return new PrimitiveValue((long)value);
|
|
case TypeCode.UInt16: return new PrimitiveValue((ushort)value);
|
|
case TypeCode.UInt32: return new PrimitiveValue((uint)value);
|
|
case TypeCode.UInt64: return new PrimitiveValue((ulong)value);
|
|
}
|
|
}
|
|
|
|
throw new ArgumentException($"Cannot convert '{value}' to primitive value", nameof(value));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a bool.
|
|
/// </summary>
|
|
/// <param name="value">A boolean value.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static implicit operator PrimitiveValue(bool value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a character.
|
|
/// </summary>
|
|
/// <param name="value">A character.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static implicit operator PrimitiveValue(char value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a byte.
|
|
/// </summary>
|
|
/// <param name="value">A byte value.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static implicit operator PrimitiveValue(byte value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a signed byte.
|
|
/// </summary>
|
|
/// <param name="value">A signed byte value.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static implicit operator PrimitiveValue(sbyte value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a short.
|
|
/// </summary>
|
|
/// <param name="value">A short value.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static implicit operator PrimitiveValue(short value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding an unsigned short.
|
|
/// </summary>
|
|
/// <param name="value">An unsigned short value.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static implicit operator PrimitiveValue(ushort value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding an int.
|
|
/// </summary>
|
|
/// <param name="value">An int value.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static implicit operator PrimitiveValue(int value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding an unsigned int.
|
|
/// </summary>
|
|
/// <param name="value">An unsigned int value.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static implicit operator PrimitiveValue(uint value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a long.
|
|
/// </summary>
|
|
/// <param name="value">A long value.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static implicit operator PrimitiveValue(long value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a ulong.
|
|
/// </summary>
|
|
/// <param name="value">An unsigned long value.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static implicit operator PrimitiveValue(ulong value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a float.
|
|
/// </summary>
|
|
/// <param name="value">A float value.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static implicit operator PrimitiveValue(float value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create a PrimitiveValue holding a double.
|
|
/// </summary>
|
|
/// <param name="value">A double value.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static implicit operator PrimitiveValue(double value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
// The following methods exist only to make the annoying Microsoft code analyzer happy.
|
|
|
|
/// <summary>
|
|
/// Constructs a <c>PrimitiveValue</c> from <paramref name="value"/>.
|
|
/// </summary>
|
|
/// <param name="value">The value to be stored in the returned <c>PrimitiveValue</c>.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static PrimitiveValue FromBoolean(bool value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Constructs a <c>PrimitiveValue</c> from <paramref name="value"/>.
|
|
/// </summary>
|
|
/// <param name="value">The value to be stored in the returned <c>PrimitiveValue</c>.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static PrimitiveValue FromChar(char value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Constructs a <c>PrimitiveValue</c> from <paramref name="value"/>.
|
|
/// </summary>
|
|
/// <param name="value">The value to be stored in the returned <c>PrimitiveValue</c>.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static PrimitiveValue FromByte(byte value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Constructs a <c>PrimitiveValue</c> from <paramref name="value"/>.
|
|
/// </summary>
|
|
/// <param name="value">The value to be stored in the returned <c>PrimitiveValue</c>.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static PrimitiveValue FromSByte(sbyte value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Constructs a <c>PrimitiveValue</c> from <paramref name="value"/>.
|
|
/// </summary>
|
|
/// <param name="value">The value to be stored in the returned <c>PrimitiveValue</c>.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static PrimitiveValue FromInt16(short value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Constructs a <c>PrimitiveValue</c> from <paramref name="value"/>.
|
|
/// </summary>
|
|
/// <param name="value">The value to be stored in the returned <c>PrimitiveValue</c>.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static PrimitiveValue FromUInt16(ushort value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Constructs a <c>PrimitiveValue</c> from <paramref name="value"/>.
|
|
/// </summary>
|
|
/// <param name="value">The value to be stored in the returned <c>PrimitiveValue</c>.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static PrimitiveValue FromInt32(int value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Constructs a <c>PrimitiveValue</c> from <paramref name="value"/>.
|
|
/// </summary>
|
|
/// <param name="value">The value to be stored in the returned <c>PrimitiveValue</c>.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static PrimitiveValue FromUInt32(uint value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Constructs a <c>PrimitiveValue</c> from <paramref name="value"/>.
|
|
/// </summary>
|
|
/// <param name="value">The value to be stored in the returned <c>PrimitiveValue</c>.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static PrimitiveValue FromInt64(long value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Constructs a <c>PrimitiveValue</c> from <paramref name="value"/>.
|
|
/// </summary>
|
|
/// <param name="value">The value to be stored in the returned <c>PrimitiveValue</c>.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static PrimitiveValue FromUInt64(ulong value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Constructs a <c>PrimitiveValue</c> from <paramref name="value"/>.
|
|
/// </summary>
|
|
/// <param name="value">The value to be stored in the returned <c>PrimitiveValue</c>.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static PrimitiveValue FromSingle(float value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Constructs a <c>PrimitiveValue</c> from <paramref name="value"/>.
|
|
/// </summary>
|
|
/// <param name="value">The value to be stored in the returned <c>PrimitiveValue</c>.</param>
|
|
/// <returns>A <c>PrimitiveValue</c> set to <paramref name="value"/></returns>
|
|
public static PrimitiveValue FromDouble(double value)
|
|
{
|
|
return new PrimitiveValue(value);
|
|
}
|
|
}
|
|
}
|