Tony Bark
6501b72973
- Split into three projects: Library, Console, and Tests - Library compiles as QRScript.Interpreter to avoid conflicts
56 lines
2 KiB
C#
56 lines
2 KiB
C#
namespace QRScript.Extensions;
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using System.Text;
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/// <summary>
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/// Provides extension methods for common string transformations and validations.
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/// </summary>
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public static class StringExtensions
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{
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/// <summary>
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/// Encodes the current string instance to Base64 using Unicode encoding.
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/// </summary>
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/// <param name="input">The input string to encode.</param>
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/// <returns>A Base64-encoded version of the input string.</returns>
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/// <remarks>
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/// This uses Unicode (UTF-16) encoding, which is standard in .NET strings.
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/// </remarks>
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public static string ToBase64(this string input)
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{
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if (input is null)
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throw new ArgumentNullException(nameof(input));
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byte[] bytes = Encoding.Unicode.GetBytes(input);
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return Convert.ToBase64String(bytes);
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}
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/// <summary>
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/// Joins an array of strings into a single string separated by the system's newline.
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/// </summary>
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/// <param name="lines">Array of strings to join.</param>
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/// <returns>A single string composed of all input lines, separated by newlines.</returns>
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public static string JoinLines(this IEnumerable<string> lines)
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{
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if (lines is null)
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throw new ArgumentNullException(nameof(lines));
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return string.Join(Environment.NewLine, lines);
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}
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/// <summary>
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/// Determines whether the string exceeds the specified character length limit.
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/// </summary>
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/// <param name="text">The input string to evaluate.</param>
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/// <param name="limit">The maximum number of allowed characters.</param>
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/// <returns><c>true</c> if the string's length is greater than or equal to <paramref name="limit"/>; otherwise, <c>false</c>.</returns>
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public static bool ExceedsLengthLimit(this string text, int limit)
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{
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if (text is null)
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throw new ArgumentNullException(nameof(text));
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if (limit < 0)
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throw new ArgumentOutOfRangeException(nameof(limit), "Limit must be non-negative.");
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return text.Length >= limit;
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}
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}
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