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551 lines (498 loc) · 29.2 KB
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// Licensed under MIT No Attribution, see LICENSE file at the root.
// Copyright 2013 Andreas Gullberg Larsen (andreas.larsen84@gmail.com). Maintained at https://github.com/angularsen/UnitsNet.
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using JetBrains.Annotations;
using UnitsNet.Units;
namespace UnitsNet
{
using ConversionFunctionLookupKey = ValueTuple<Type, Enum, Type, Enum>;
/// <summary>
///
/// </summary>
/// <param name="inputValue"></param>
/// <returns></returns>
public delegate IQuantity ConversionFunction(IQuantity inputValue);
/// <summary>
///
/// </summary>
/// <typeparam name="TQuantity"></typeparam>
/// <param name="inputValue"></param>
/// <returns></returns>
public delegate TQuantity ConversionFunction<TQuantity>(TQuantity inputValue)
where TQuantity : IQuantity;
/// <summary>
/// Convert between units of a quantity, such as converting from meters to centimeters of a given length.
/// </summary>
[PublicAPI]
public sealed partial class UnitConverter
{
/// <summary>
/// The static instance used by Units.NET to convert between units. Modify this to add/remove conversion functions at runtime, such
/// as adding your own third-party units and quantities to convert between.
/// </summary>
public static UnitConverter Default { get; }
private readonly Dictionary<ConversionFunctionLookupKey, ConversionFunction> _conversionFunctions = new Dictionary<ConversionFunctionLookupKey, ConversionFunction>();
static UnitConverter()
{
Default = new UnitConverter();
RegisterDefaultConversions(Default);
}
/// <summary>
/// Sets the conversion function from two units of the same quantity type.
/// </summary>
/// <typeparam name="TQuantity">The type of quantity, must implement <see cref="IQuantity"/>.</typeparam>
/// <param name="from">From unit enum value, such as <see cref="LengthUnit.Kilometer" />.</param>
/// <param name="to">To unit enum value, such as <see cref="LengthUnit.Centimeter"/>.</param>
/// <param name="conversionFunction">The quantity conversion function.</param>
public void SetConversionFunction<TQuantity>(Enum from, Enum to, ConversionFunction<TQuantity> conversionFunction)
where TQuantity : IQuantity
{
var quantityType = typeof(TQuantity);
var conversionLookup = new ConversionFunctionLookupKey(quantityType, from, quantityType, to);
SetConversionFunction(conversionLookup, conversionFunction);
}
/// <summary>
/// Sets the conversion function from two units of different quantity types.
/// </summary>
/// <typeparam name="TQuantityFrom">From quantity type, must implement <see cref="IQuantity"/>.</typeparam>
/// <typeparam name="TQuantityTo">To quantity type, must implement <see cref="IQuantity"/>.</typeparam>
/// <param name="from">From unit enum value, such as <see cref="LengthUnit.Kilometer" />.</param>
/// <param name="to">To unit enum value, such as <see cref="LengthUnit.Centimeter"/>.</param>
/// <param name="conversionFunction">The quantity conversion function.</param>
public void SetConversionFunction<TQuantityFrom, TQuantityTo>(Enum from, Enum to, ConversionFunction conversionFunction)
where TQuantityFrom : IQuantity
where TQuantityTo : IQuantity
{
SetConversionFunction(typeof(TQuantityFrom), from, typeof(TQuantityTo), to, conversionFunction);
}
/// <summary>
/// Sets the conversion function from two units of different quantity types.
/// </summary>
/// <param name="fromType">From quantity type, must implement <see cref="IQuantity"/>.</param>
/// <param name="from">From unit enum value, such as <see cref="LengthUnit.Kilometer" />.</param>
/// <param name="toType">To quantity type, must implement <see cref="IQuantity"/>.</param>
/// <param name="to">To unit enum value, such as <see cref="LengthUnit.Centimeter"/>.</param>
/// <param name="conversionFunction">The quantity conversion function.</param>
public void SetConversionFunction(Type fromType, Enum from, Type toType, Enum to, ConversionFunction conversionFunction)
{
var conversionLookup = new ConversionFunctionLookupKey(fromType, from, toType, to);
SetConversionFunction(conversionLookup, conversionFunction);
}
/// <summary>
/// Sets the conversion function for a particular conversion function lookup.
/// </summary>
/// <param name="lookupKey">The lookup key.</param>
/// <param name="conversionFunction">The quantity conversion function.</param>
internal void SetConversionFunction(ConversionFunctionLookupKey lookupKey, ConversionFunction conversionFunction)
{
_conversionFunctions[lookupKey] = conversionFunction;
}
/// <summary>
/// Sets the conversion function for a particular conversion function lookup.
/// </summary>
/// <typeparam name="TQuantity">The quantity type, must implement <see cref="IQuantity"/>.</typeparam>
/// <param name="conversionLookup">The quantity conversion function lookup key.</param>
/// <param name="conversionFunction">The quantity conversion function.</param>
internal void SetConversionFunction<TQuantity>(ConversionFunctionLookupKey conversionLookup, ConversionFunction<TQuantity> conversionFunction)
where TQuantity : IQuantity
{
IQuantity TypelessConversionFunction(IQuantity quantity) => conversionFunction((TQuantity)quantity);
_conversionFunctions[conversionLookup] = TypelessConversionFunction;
}
/// <summary>
/// Gets the conversion function from two units of the same quantity type.
/// </summary>
/// <typeparam name="TQuantity">The quantity type, must implement <see cref="IQuantity"/>.</typeparam>
/// <param name="from">From unit enum value, such as <see cref="LengthUnit.Kilometer" />.</param>
/// <param name="to">To unit enum value, such as <see cref="LengthUnit.Centimeter"/>.</param>
/// <returns></returns>
public ConversionFunction GetConversionFunction<TQuantity>(Enum from, Enum to) where TQuantity : IQuantity
{
return GetConversionFunction(typeof(TQuantity), from, typeof(TQuantity), to);
}
/// <summary>
/// Gets the conversion function from two units of different quantity types.
/// </summary>
/// <typeparam name="TQuantityFrom">From quantity type, must implement <see cref="IQuantity"/>.</typeparam>
/// <typeparam name="TQuantityTo">To quantity type, must implement <see cref="IQuantity"/>.</typeparam>
/// <param name="from">From unit enum value, such as <see cref="LengthUnit.Kilometer" />.</param>
/// <param name="to">To unit enum value, such as <see cref="LengthUnit.Centimeter"/>.</param>
/// <returns></returns>
public ConversionFunction GetConversionFunction<TQuantityFrom, TQuantityTo>(Enum from, Enum to)
where TQuantityFrom : IQuantity
where TQuantityTo : IQuantity
{
return GetConversionFunction(typeof(TQuantityFrom), from, typeof(TQuantityTo), to);
}
/// <summary>
/// Gets the conversion function from two units of different quantity types.
/// </summary>
/// <param name="fromType">From quantity type, must implement <see cref="IQuantity"/>.</param>
/// <param name="from">From unit enum value, such as <see cref="LengthUnit.Kilometer" />.</param>
/// <param name="toType">To quantity type, must implement <see cref="IQuantity"/>.</param>
/// <param name="to">To unit enum value, such as <see cref="LengthUnit.Centimeter"/>.</param>
public ConversionFunction GetConversionFunction(Type fromType, Enum from, Type toType, Enum to)
{
var conversionLookup = new ConversionFunctionLookupKey(fromType, from, toType, to);
return GetConversionFunction(conversionLookup);
}
/// <summary>
/// Gets the conversion function by its lookup key.
/// </summary>
/// <param name="lookupKey"></param>
internal ConversionFunction GetConversionFunction(ConversionFunctionLookupKey lookupKey)
{
IQuantity EchoFunction(IQuantity fromQuantity) => fromQuantity;
// If from/to units and to quantity types are equal, then return a function that echoes the input quantity
// in order to not have to map conversion functions to "self".
if (lookupKey.Item1 == lookupKey.Item3 && Equals(lookupKey.Item2, lookupKey.Item4))
return EchoFunction;
return _conversionFunctions[lookupKey];
}
/// <summary>
/// Gets the conversion function for two units of the same quantity type.
/// </summary>
/// <typeparam name="TQuantity">The quantity type, must implement <see cref="IQuantity"/>.</typeparam>
/// <param name="from">From unit enum value, such as <see cref="LengthUnit.Kilometer" />.</param>
/// <param name="to">To unit enum value, such as <see cref="LengthUnit.Centimeter"/>.</param>
/// <param name="conversionFunction">The quantity conversion function.</param>
/// <returns>true if set; otherwise, false.</returns>
public bool TryGetConversionFunction<TQuantity>(Enum from, Enum to, out ConversionFunction conversionFunction) where TQuantity : IQuantity
{
return TryGetConversionFunction(typeof(TQuantity), from, typeof(TQuantity), to, out conversionFunction);
}
/// <summary>
/// Gets the conversion function for two units of different quantity types.
/// </summary>
/// <typeparam name="TQuantityFrom">From quantity type, must implement <see cref="IQuantity"/>.</typeparam>
/// <typeparam name="TQuantityTo">To quantity type, must implement <see cref="IQuantity"/>.</typeparam>
/// <param name="from">From unit enum value, such as <see cref="LengthUnit.Kilometer" />.</param>
/// <param name="to">To unit enum value, such as <see cref="LengthUnit.Centimeter"/>.</param>
/// <param name="conversionFunction">The quantity conversion function.</param>
/// <returns>true if set; otherwise, false.</returns>
public bool TryGetConversionFunction<TQuantityFrom, TQuantityTo>(Enum from, Enum to, out ConversionFunction conversionFunction)
where TQuantityFrom : IQuantity
where TQuantityTo : IQuantity
{
return TryGetConversionFunction(typeof(TQuantityFrom), from, typeof(TQuantityTo), to, out conversionFunction);
}
/// <summary>
/// Try to get the conversion function for two units of the same quantity type.
/// </summary>
/// <param name="fromType">From quantity type, must implement <see cref="IQuantity"/>.</param>
/// <param name="from">From unit enum value, such as <see cref="LengthUnit.Kilometer" />.</param>
/// <param name="toType">To quantity type, must implement <see cref="IQuantity"/>.</param>
/// <param name="to">To unit enum value, such as <see cref="LengthUnit.Centimeter"/>.</param>
/// <param name="conversionFunction">The quantity conversion function.</param>
/// <returns>true if set; otherwise, false.</returns>
public bool TryGetConversionFunction(Type fromType, Enum from, Type toType, Enum to, out ConversionFunction conversionFunction)
{
var conversionLookup = new ConversionFunctionLookupKey(fromType, from, toType, to);
return TryGetConversionFunction(conversionLookup, out conversionFunction);
}
/// <summary>
///
/// </summary>
/// <param name="lookupKey"></param>
/// <param name="conversionFunction"></param>
/// <returns>true if set; otherwise, false.</returns>
public bool TryGetConversionFunction(ConversionFunctionLookupKey lookupKey, out ConversionFunction conversionFunction)
{
return _conversionFunctions.TryGetValue(lookupKey, out conversionFunction);
}
/// <summary>
/// Convert between any two quantity units given a numeric value and two unit enum values.
/// </summary>
/// <param name="fromValue">Numeric value.</param>
/// <param name="fromUnitValue">From unit enum value.</param>
/// <param name="toUnitValue">To unit enum value, must be compatible with <paramref name="fromUnitValue" />.</param>
/// <returns>The converted value in the new unit representation.</returns>
public static double Convert(QuantityValue fromValue, Enum fromUnitValue, Enum toUnitValue)
{
return Quantity
.From(fromValue, fromUnitValue)
.As(toUnitValue);
}
/// <summary>
/// Try to convert between any two quantity units given a numeric value and two unit enum values.
/// </summary>
/// <param name="fromValue">Numeric value.</param>
/// <param name="fromUnitValue">From unit enum value.</param>
/// <param name="toUnitValue">To unit enum value, must be compatible with <paramref name="fromUnitValue" />.</param>
/// <param name="convertedValue">The converted value, if successful. Otherwise default.</param>
/// <returns>True if successful.</returns>
public static bool TryConvert(QuantityValue fromValue, Enum fromUnitValue, Enum toUnitValue, out double convertedValue)
{
convertedValue = 0;
if (!Quantity.TryFrom(fromValue, fromUnitValue, out IQuantity fromQuantity)) return false;
try
{
// We're not going to implement TryAs() in all quantities, so let's just try-catch here
convertedValue = fromQuantity.As(toUnitValue);
return true;
}
catch
{
return false;
}
}
/// <summary>
/// Convert between any two quantity units by their names, such as converting a "Length" of N "Meter" to "Centimeter".
/// This is particularly useful for creating things like a generated unit conversion UI,
/// where you list some selectors:
/// a) Quantity: Length, Mass, Force etc.
/// b) From unit: Meter, Centimeter etc if Length is selected
/// c) To unit: Meter, Centimeter etc if Length is selected
/// </summary>
/// <param name="fromValue">
/// Input value, which together with <paramref name="fromUnit" /> represents the quantity to
/// convert from.
/// </param>
/// <param name="quantityName">
/// Name of quantity, such as "Length" and "Mass". <see cref="QuantityType" /> for all
/// values.
/// </param>
/// <param name="fromUnit">
/// Name of unit, such as "Meter" or "Centimeter" if "Length" was passed as
/// <paramref name="quantityName" />.
/// </param>
/// <param name="toUnit">
/// Name of unit, such as "Meter" or "Centimeter" if "Length" was passed as
/// <paramref name="quantityName" />.
/// </param>
/// <example>double centimeters = ConvertByName(5, "Length", "Meter", "Centimeter"); // 500</example>
/// <returns>Output value as the result of converting to <paramref name="toUnit" />.</returns>
/// <exception cref="UnitNotFoundException">No units match the abbreviation.</exception>
/// <exception cref="AmbiguousUnitParseException">More than one unit matches the abbreviation.</exception>
public static double ConvertByName(QuantityValue fromValue, string quantityName, string fromUnit, string toUnit)
{
if (!TryGetUnitType(quantityName, out Type unitType))
throw new UnitNotFoundException($"The unit type for the given quantity was not found: {quantityName}");
if (!TryParseUnit(unitType, fromUnit, out Enum fromUnitValue)) // ex: LengthUnit.Meter
{
var e = new UnitNotFoundException($"Unit not found [{fromUnit}].");
e.Data["unitName"] = fromUnit;
throw e;
}
if (!TryParseUnit(unitType, toUnit, out Enum toUnitValue)) // ex: LengthUnit.Centimeter
{
var e = new UnitNotFoundException($"Unit not found [{toUnit}].");
e.Data["unitName"] = toUnit;
throw e;
}
return Convert(fromValue, fromUnitValue, toUnitValue);
}
/// <summary>
/// Convert between any two quantity units by their names, such as converting a "Length" of N "Meter" to "Centimeter".
/// This is particularly useful for creating things like a generated unit conversion UI,
/// where you list some selectors:
/// a) Quantity: Length, Mass, Force etc.
/// b) From unit: Meter, Centimeter etc if Length is selected
/// c) To unit: Meter, Centimeter etc if Length is selected
/// </summary>
/// <param name="inputValue">
/// Input value, which together with <paramref name="fromUnit" /> represents the quantity to
/// convert from.
/// </param>
/// <param name="quantityName">
/// Name of quantity, such as "Length" and "Mass". <see cref="QuantityType" /> for all
/// values.
/// </param>
/// <param name="fromUnit">
/// Name of unit, such as "Meter" or "Centimeter" if "Length" was passed as
/// <paramref name="quantityName" />.
/// </param>
/// <param name="toUnit">
/// Name of unit, such as "Meter" or "Centimeter" if "Length" was passed as
/// <paramref name="quantityName" />.
/// </param>
/// <param name="result">Result if conversion was successful, 0 if not.</param>
/// <example>bool ok = TryConvertByName(5, "Length", "Meter", "Centimeter", out double centimeters); // 500</example>
/// <returns>True if conversion was successful.</returns>
public static bool TryConvertByName(QuantityValue inputValue, string quantityName, string fromUnit, string toUnit, out double result)
{
result = 0d;
if (!TryGetUnitType(quantityName, out Type unitType))
return false;
if (!TryParseUnit(unitType, fromUnit, out Enum fromUnitValue)) // ex: LengthUnit.Meter
return false;
if (!TryParseUnit(unitType, toUnit, out Enum toUnitValue)) // ex: LengthUnit.Centimeter
return false;
result = Convert(inputValue, fromUnitValue, toUnitValue);
return true;
}
/// <summary>
/// Convert between any two quantity units by their abbreviations, such as converting a "Length" of N "m" to "cm".
/// This is particularly useful for creating things like a generated unit conversion UI,
/// where you list some selectors:
/// a) Quantity: Length, Mass, Force etc.
/// b) From unit: Meter, Centimeter etc if Length is selected
/// c) To unit: Meter, Centimeter etc if Length is selected
/// </summary>
/// <param name="fromValue">
/// Input value, which together with <paramref name="fromUnitAbbrev" /> represents the quantity to
/// convert from.
/// </param>
/// <param name="quantityName">
/// Name of quantity, such as "Length" and "Mass". <see cref="QuantityType" /> for all
/// values.
/// </param>
/// <param name="fromUnitAbbrev">
/// Name of unit, such as "Meter" or "Centimeter" if "Length" was passed as
/// <paramref name="quantityName" />.
/// </param>
/// <param name="toUnitAbbrev">
/// Name of unit, such as "Meter" or "Centimeter" if "Length" was passed as
/// <paramref name="quantityName" />.
/// </param>
/// <example>double centimeters = ConvertByName(5, "Length", "m", "cm"); // 500</example>
/// <returns>Output value as the result of converting to <paramref name="toUnitAbbrev" />.</returns>
public static double ConvertByAbbreviation(QuantityValue fromValue, string quantityName, string fromUnitAbbrev, string toUnitAbbrev)
{
return ConvertByAbbreviation(fromValue, quantityName, fromUnitAbbrev, toUnitAbbrev, null);
}
/// <summary>
/// Convert between any two quantity units by their abbreviations, such as converting a "Length" of N "m" to "cm".
/// This is particularly useful for creating things like a generated unit conversion UI,
/// where you list some selectors:
/// a) Quantity: Length, Mass, Force etc.
/// b) From unit: Meter, Centimeter etc if Length is selected
/// c) To unit: Meter, Centimeter etc if Length is selected
/// </summary>
/// <param name="fromValue">
/// Input value, which together with <paramref name="fromUnitAbbrev" /> represents the quantity to
/// convert from.
/// </param>
/// <param name="quantityName">
/// Name of quantity, such as "Length" and "Mass". <see cref="QuantityType" /> for all
/// values.
/// </param>
/// <param name="fromUnitAbbrev">
/// Name of unit, such as "Meter" or "Centimeter" if "Length" was passed as
/// <paramref name="quantityName" />.
/// </param>
/// <param name="toUnitAbbrev">
/// Name of unit, such as "Meter" or "Centimeter" if "Length" was passed as
/// <paramref name="quantityName" />.
/// </param>
/// <param name="culture">Culture to parse abbreviations with.</param>
/// <example>double centimeters = ConvertByName(5, "Length", "m", "cm"); // 500</example>
/// <returns>Output value as the result of converting to <paramref name="toUnitAbbrev" />.</returns>
/// <exception cref="UnitNotFoundException">
/// No unit types match the prefix of <paramref name="quantityName" /> or no units
/// are mapped to the abbreviation.
/// </exception>
/// <exception cref="AmbiguousUnitParseException">More than one unit matches the abbreviation.</exception>
public static double ConvertByAbbreviation(QuantityValue fromValue, string quantityName, string fromUnitAbbrev, string toUnitAbbrev, string culture)
{
if (!TryGetUnitType(quantityName, out Type unitType))
throw new UnitNotFoundException($"The unit type for the given quantity was not found: {quantityName}");
var cultureInfo = string.IsNullOrWhiteSpace(culture) ? CultureInfo.CurrentUICulture : new CultureInfo(culture);
var fromUnit = UnitParser.Default.Parse(fromUnitAbbrev, unitType, cultureInfo); // ex: ("m", LengthUnit) => LengthUnit.Meter
var fromQuantity = Quantity.From(fromValue, fromUnit);
var toUnit = UnitParser.Default.Parse(toUnitAbbrev, unitType, cultureInfo); // ex:("cm", LengthUnit) => LengthUnit.Centimeter
return fromQuantity.As(toUnit);
}
/// <summary>
/// Convert between any two quantity units by their abbreviations, such as converting a "Length" of N "m" to "cm".
/// This is particularly useful for creating things like a generated unit conversion UI,
/// where you list some selectors:
/// a) Quantity: Length, Mass, Force etc.
/// b) From unit: Meter, Centimeter etc if Length is selected
/// c) To unit: Meter, Centimeter etc if Length is selected
/// </summary>
/// <param name="fromValue">
/// Input value, which together with <paramref name="fromUnitAbbrev" /> represents the quantity to
/// convert from.
/// </param>
/// <param name="quantityName">
/// Name of quantity, such as "Length" and "Mass". <see cref="QuantityType" /> for all
/// values.
/// </param>
/// <param name="fromUnitAbbrev">
/// Name of unit, such as "Meter" or "Centimeter" if "Length" was passed as
/// <paramref name="quantityName" />.
/// </param>
/// <param name="toUnitAbbrev">
/// Name of unit, such as "Meter" or "Centimeter" if "Length" was passed as
/// <paramref name="quantityName" />.
/// </param>
/// <param name="result">Result if conversion was successful, 0 if not.</param>
/// <example>double centimeters = ConvertByName(5, "Length", "m", "cm"); // 500</example>
/// <returns>True if conversion was successful.</returns>
public static bool TryConvertByAbbreviation(QuantityValue fromValue, string quantityName, string fromUnitAbbrev, string toUnitAbbrev, out double result)
{
return TryConvertByAbbreviation(fromValue, quantityName, fromUnitAbbrev, toUnitAbbrev, out result, null);
}
/// <summary>
/// Convert between any two quantity units by their abbreviations, such as converting a "Length" of N "m" to "cm".
/// This is particularly useful for creating things like a generated unit conversion UI,
/// where you list some selectors:
/// a) Quantity: Length, Mass, Force etc.
/// b) From unit: Meter, Centimeter etc if Length is selected
/// c) To unit: Meter, Centimeter etc if Length is selected
/// </summary>
/// <param name="fromValue">
/// Input value, which together with <paramref name="fromUnitAbbrev" /> represents the quantity to
/// convert from.
/// </param>
/// <param name="quantityName">
/// Name of quantity, such as "Length" and "Mass". <see cref="QuantityType" /> for all
/// values.
/// </param>
/// <param name="fromUnitAbbrev">
/// Name of unit, such as "Meter" or "Centimeter" if "Length" was passed as
/// <paramref name="quantityName" />.
/// </param>
/// <param name="toUnitAbbrev">
/// Name of unit, such as "Meter" or "Centimeter" if "Length" was passed as
/// <paramref name="quantityName" />.
/// </param>
/// <param name="culture">Culture to parse abbreviations with.</param>
/// <param name="result">Result if conversion was successful, 0 if not.</param>
/// <example>double centimeters = ConvertByName(5, "Length", "m", "cm"); // 500</example>
/// <returns>True if conversion was successful.</returns>
public static bool TryConvertByAbbreviation(QuantityValue fromValue, string quantityName, string fromUnitAbbrev, string toUnitAbbrev, out double result,
string culture)
{
result = 0d;
if (!TryGetUnitType(quantityName, out Type unitType))
return false;
var cultureInfo = string.IsNullOrWhiteSpace(culture) ? CultureInfo.CurrentUICulture : new CultureInfo(culture);
if (!UnitParser.Default.TryParse(fromUnitAbbrev, unitType, cultureInfo, out Enum fromUnit)) // ex: ("m", LengthUnit) => LengthUnit.Meter
return false;
if (!UnitParser.Default.TryParse(toUnitAbbrev, unitType, cultureInfo, out Enum toUnit)) // ex:("cm", LengthUnit) => LengthUnit.Centimeter
return false;
var fromQuantity = Quantity.From(fromValue, fromUnit);
result = fromQuantity.As(toUnit);
return true;
}
/// <summary>
/// Parse a unit by the unit enum type <paramref name="unitType" /> and a unit enum value <paramref name="unitName" />>
/// </summary>
/// <param name="unitType">Unit type, such as <see cref="LengthUnit" />.</param>
/// <param name="unitName">Unit name, such as "Meter" corresponding to <see cref="LengthUnit.Meter" />.</param>
/// <param name="unitValue">The return enum value, such as <see cref="LengthUnit.Meter" /> boxed as an object.</param>
/// <returns>True if succeeded, otherwise false.</returns>
/// <exception cref="UnitNotFoundException">No unit values match the <paramref name="unitName" />.</exception>
private static bool TryParseUnit(Type unitType, string unitName, out Enum unitValue)
{
unitValue = null;
var eNames = Enum.GetNames(unitType);
unitName = eNames.FirstOrDefault(x => x.Equals(unitName, StringComparison.OrdinalIgnoreCase));
if (unitName == null)
return false;
unitValue = (Enum)Enum.Parse(unitType, unitName);
return true;
}
private static bool TryGetUnitType(string quantityName, out Type unitType)
{
var quantityInfo = Quantity.Infos.FirstOrDefault((info) => info.Name.Equals(quantityName, StringComparison.OrdinalIgnoreCase));
unitType = quantityInfo?.UnitType;
return quantityInfo != null;
}
}
}
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