65 lines
1.2 KiB
C#
65 lines
1.2 KiB
C#
namespace MyOffice.Core.Extensions;
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using Microsoft.Extensions.Logging;
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public static class StringExtensions
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{
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public static bool IsMissing(this string? str)
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{
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return str == null || string.IsNullOrEmpty(str) || string.IsNullOrEmpty(str.Trim());
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}
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public static bool IsPresent(this string? str)
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{
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return !IsMissing(str);
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}
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public static string? NullIfEmpty(this string? str)
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{
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return IsMissing(str) ? null : str;
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}
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public static bool EqualsIgnoreCase(this string? str, string? value)
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{
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return str != null && str.Equals(value, StringComparison.OrdinalIgnoreCase);
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}
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public static string? SafeTrim(this string? str)
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{
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return str == null ? str : str!.Trim();
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}
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public static string? MaxOf(this string? str, int maxLength)
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{
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if (str == null)
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{
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return null;
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}
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if (str.Length < maxLength)
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{
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return str;
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}
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return str.Substring(0, maxLength);
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}
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public static bool AsBool(this string? str, bool defaultValue = false)
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{
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return true.ToString().Equals(str, StringComparison.OrdinalIgnoreCase) || defaultValue;
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}
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public static Guid AsGuid(this string str)
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{
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return Guid.Parse(str);
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}
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public static Guid? AsGuidNull(this string? str)
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{
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if (Guid.TryParse(str, out var guid))
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{
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return guid;
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}
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return null;
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}
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} |