SHA256
79 lines
2.5 KiB
C#
79 lines
2.5 KiB
C#
namespace ADOFAIRenderer.Data;
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/// <summary>
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/// Base class for double input validation limits.
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/// Multiple limits can be composed on a single input field — all are checked in order.
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/// </summary>
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internal abstract class DoubleLimit
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{
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/// <summary>
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/// Validates the given double value against this limit.
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/// </summary>
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/// <param name="value">The parsed double value to validate.</param>
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/// <param name="errorMessage">
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/// When validation fails, set to a human-readable error message.
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/// When validation succeeds, set to null.
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/// </param>
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/// <returns>true if the value satisfies this limit; false otherwise.</returns>
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public abstract bool Validate(double value, out string errorMessage);
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}
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/// <summary>
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/// Requires the double value to be strictly positive (> 0).
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/// </summary>
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internal class PositiveOnlyDoubleLimit : DoubleLimit
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{
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public override bool Validate(double value, out string errorMessage)
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{
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if (value > 0)
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{
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errorMessage = null!;
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return true;
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}
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errorMessage = "값은 0보다 큰 양수여야 합니다.";
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return false;
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}
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}
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/// <summary>
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/// Requires the double value to be within an inclusive [Min, Max] range.
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/// Either bound can be null to represent an unbounded side.
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/// </summary>
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internal class RangeDoubleLimit : DoubleLimit
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{
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// ReSharper disable MemberCanBePrivate.Global
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public double? Min { get; }
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public double? Max { get; }
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// ReSharper restore MemberCanBePrivate.Global
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/// <param name="min">Inclusive lower bound, or null for no lower bound.</param>
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/// <param name="max">Inclusive upper bound, or null for no upper bound.</param>
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public RangeDoubleLimit(double? min, double? max)
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{
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Min = min;
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Max = max;
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}
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public override bool Validate(double value, out string errorMessage)
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{
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if (value < Min)
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{
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errorMessage = Max.HasValue
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? $"값은 {Min.Value}에서 {Max.Value} 사이의 숫자여야 합니다."
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: $"값은 {Min.Value} 이상의 숫자여야 합니다.";
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return false;
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}
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if (value > Max)
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{
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errorMessage = Min.HasValue
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? $"값은 {Min.Value}에서 {Max.Value} 사이의 숫자여야 합니다."
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: $"값은 {Max.Value} 이하의 숫자여야 합니다.";
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return false;
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}
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errorMessage = null!;
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return true;
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}
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} |