OneScript/src/OneScript.Core/Values/BslStringValue.cs at develop · ivtroitskiy/OneScript · GitHub

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/*----------------------------------------------------------

This Source Code Form is subject to the terms of the

Mozilla Public License, v.2.0. If a copy of the MPL

was not distributed with this file, You can obtain one

at http://mozilla.org/MPL/2.0/.

----------------------------------------------------------*/

using System;

using OneScript.Types;

namespace OneScript.Values

{

public sealed class BslStringValue : BslPrimitiveValue

{

private readonly string _value;

public static BslStringValue Empty { get; } = new BslStringValue(String.Empty);

public static BslStringValue Create(string value)

{

return value == string.Empty ? Empty : new BslStringValue(value);

}

private BslStringValue(string value)

{

_value = value ?? throw new ArgumentNullException();

}

public override TypeDescriptor SystemType => BasicTypes.String;

public override string ToString() => _value;

public static explicit operator decimal(BslStringValue value) => BslNumericValue.Parse(value._value);

public static implicit operator string(BslStringValue value) => value._value;

public static explicit operator DateTime(BslStringValue value) => (DateTime)BslDateValue.Parse(value._value);

public static explicit operator bool(BslStringValue value) => (bool)BslBooleanValue.Parse(value._value);

public static string operator +(BslStringValue value, object other) => value._value + other;

public override bool Equals(BslValue other)

{

return other is BslStringValue sv ? _value.Equals(sv._value) : base.Equals(other);

}

public override int CompareTo(BslValue other)

{

if (ReferenceEquals(null, other))

return -1;

if (other is BslStringValue s)

return String.Compare(_value, s._value, StringComparison.CurrentCulture);

return base.CompareTo(other);

}

OneScript/src/OneScript.Core/Values/BslStringValue.cs at develop · ivtroitskiy/OneScript · GitHub

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