From 9cd7b24e652c4010450f8ff7874db606db9b35d0 Mon Sep 17 00:00:00 2001
From: Martin Zikmund <martin@zikmund.dev>
Date: Sat, 11 Feb 2023 16:59:16 +0100
Subject: [PATCH] Allow configuration of confirmation prompt comparison via
 StringComparer

---
 src/Spectre.Console/Prompts/ConfirmationPrompt.cs | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/Spectre.Console/Prompts/ConfirmationPrompt.cs b/src/Spectre.Console/Prompts/ConfirmationPrompt.cs
index d1f5b82..9257858 100644
--- a/src/Spectre.Console/Prompts/ConfirmationPrompt.cs
+++ b/src/Spectre.Console/Prompts/ConfirmationPrompt.cs
@@ -40,10 +40,13 @@ public sealed class ConfirmationPrompt : IPrompt<bool>
     public bool ShowDefaultValue { get; set; } = true;
 
     /// <summary>
-    /// Gets or sets a value indicating whether the confirmation
-    /// should use case insensitive matching.
+    /// Gets or sets the string comparer to use when comparing user input
+    /// against Yes/No choices.
     /// </summary>
-    public bool CaseInsensitive { get; set; } = true;
+    /// <remarks>
+    /// Defaults to <see cref="StringComparer.CurrentCultureIgnoreCase"/>.
+    /// </remarks>
+    public StringComparer ChoiceComparer { get; set; } = StringComparer.CurrentCultureIgnoreCase;
 
     /// <summary>
     /// Initializes a new instance of the <see cref="ConfirmationPrompt"/> class.
@@ -63,8 +66,7 @@ public sealed class ConfirmationPrompt : IPrompt<bool>
     /// <inheritdoc/>
     public async Task<bool> ShowAsync(IAnsiConsole console, CancellationToken cancellationToken)
     {
-        var comparer = CaseInsensitive ? StringComparer.CurrentCultureIgnoreCase : StringComparer.CurrentCulture;
-        var prompt = new TextPrompt<char>(_prompt, comparer)
+        var prompt = new TextPrompt<char>(_prompt, ChoiceComparer)
             .InvalidChoiceMessage(InvalidChoiceMessage)
             .ValidationErrorMessage(InvalidChoiceMessage)
             .ShowChoices(ShowChoices)
@@ -75,6 +77,6 @@ public sealed class ConfirmationPrompt : IPrompt<bool>
 
         var result = await prompt.ShowAsync(console, cancellationToken).ConfigureAwait(false);
 
-        return Yes.ToString().Equals(result.ToString(), CaseInsensitive ? StringComparison.CurrentCultureIgnoreCase : StringComparison.CurrentCulture);
+        return ChoiceComparer.Compare(Yes.ToString(), result.ToString()) == 0;
     }
 }
\ No newline at end of file