2017-08-26 02:00:14 +00:00
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using System;
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2013-08-18 01:52:56 +00:00
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using System.Globalization;
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using System.Linq;
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2013-07-24 05:35:32 +00:00
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using System.Text;
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2013-05-29 00:15:12 +00:00
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using System.Text.RegularExpressions;
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2014-12-02 06:26:25 +00:00
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namespace NzbDrone.Common.Extensions
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2013-05-29 00:15:12 +00:00
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{
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public static class StringExtensions
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{
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2013-08-18 01:52:56 +00:00
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public static string NullSafe(this string target)
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2013-05-29 00:15:12 +00:00
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{
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2013-08-18 01:52:56 +00:00
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return ((object)target).NullSafe().ToString();
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2013-05-29 00:15:12 +00:00
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}
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2013-08-18 01:52:56 +00:00
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public static object NullSafe(this object target)
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{
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2013-08-18 01:52:56 +00:00
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if (target != null) return target;
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return "[NULL]";
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}
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2013-05-29 00:15:12 +00:00
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2013-08-18 01:52:56 +00:00
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public static string FirstCharToUpper(this string input)
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{
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2015-10-03 17:45:26 +00:00
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return input.First().ToString().ToUpper() + string.Join("", input.Skip(1));
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2013-08-18 01:52:56 +00:00
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}
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2013-05-29 00:15:12 +00:00
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2013-08-18 01:52:56 +00:00
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public static string Inject(this string format, params object[] formattingArgs)
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{
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return string.Format(format, formattingArgs);
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2013-05-29 00:15:12 +00:00
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}
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2013-08-18 01:52:56 +00:00
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private static readonly Regex CollapseSpace = new Regex(@"\s+", RegexOptions.Compiled);
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2014-07-20 12:14:47 +00:00
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public static string Replace(this string text, int index, int length, string replacement)
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{
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text = text.Remove(index, length);
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text = text.Insert(index, replacement);
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return text;
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}
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2013-08-18 01:52:56 +00:00
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public static string RemoveAccent(this string text)
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2013-05-30 03:26:47 +00:00
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{
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2013-08-18 01:52:56 +00:00
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var normalizedString = text.Normalize(NormalizationForm.FormD);
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var stringBuilder = new StringBuilder();
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foreach (var c in normalizedString)
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{
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var unicodeCategory = CharUnicodeInfo.GetUnicodeCategory(c);
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if (unicodeCategory != UnicodeCategory.NonSpacingMark)
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{
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stringBuilder.Append(c);
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}
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}
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return stringBuilder.ToString().Normalize(NormalizationForm.FormC);
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2013-05-30 03:26:47 +00:00
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}
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2014-04-17 23:16:40 +00:00
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public static string TrimEnd(this string text, string postfix)
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{
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if (text.EndsWith(postfix))
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text = text.Substring(0, text.Length - postfix.Length);
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return text;
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}
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2013-08-18 01:52:56 +00:00
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public static string CleanSpaces(this string text)
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2013-05-29 00:15:12 +00:00
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{
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2013-08-18 01:52:56 +00:00
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return CollapseSpace.Replace(text, " ").Trim();
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2013-05-29 00:15:12 +00:00
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}
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2014-02-26 05:40:47 +00:00
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public static bool IsNullOrWhiteSpace(this string text)
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{
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2015-10-03 17:45:26 +00:00
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return string.IsNullOrWhiteSpace(text);
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2014-02-26 05:40:47 +00:00
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}
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2014-04-28 06:34:29 +00:00
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2014-09-11 23:49:41 +00:00
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public static bool IsNotNullOrWhiteSpace(this string text)
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{
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2015-10-03 17:45:26 +00:00
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return !string.IsNullOrWhiteSpace(text);
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2014-09-11 23:49:41 +00:00
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}
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2017-08-26 02:00:14 +00:00
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public static bool StartsWithIgnoreCase(this string text, string startsWith)
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{
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return text.StartsWith(startsWith, StringComparison.InvariantCultureIgnoreCase);
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}
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public static bool EqualsIgnoreCase(this string text, string equals)
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{
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return text.Equals(equals, StringComparison.InvariantCultureIgnoreCase);
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}
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2014-04-28 06:34:29 +00:00
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public static bool ContainsIgnoreCase(this string text, string contains)
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{
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return text.IndexOf(contains, StringComparison.InvariantCultureIgnoreCase) > -1;
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}
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public static string WrapInQuotes(this string text)
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{
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if (!text.Contains(" "))
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{
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return text;
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}
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return "\"" + text + "\"";
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}
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2015-10-14 02:01:47 +00:00
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public static byte[] HexToByteArray(this string input)
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{
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return Enumerable.Range(0, input.Length)
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.Where(x => x%2 == 0)
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.Select(x => Convert.ToByte(input.Substring(x, 2), 16))
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.ToArray();
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}
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2016-02-14 16:55:32 +00:00
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public static string ToHexString(this byte[] input)
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{
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return string.Concat(Array.ConvertAll(input, x => x.ToString("X2")));
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}
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2016-06-02 04:24:41 +00:00
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public static string FromOctalString(this string octalValue)
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{
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octalValue = octalValue.TrimStart('\\');
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var first = int.Parse(octalValue.Substring(0, 1));
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var second = int.Parse(octalValue.Substring(1, 1));
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var third = int.Parse(octalValue.Substring(2, 1));
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var byteResult = (byte)((first << 6) | (second << 3) | (third));
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return Encoding.ASCII.GetString(new [] { byteResult });
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}
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2013-05-29 00:15:12 +00:00
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}
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}
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