141 lines
5.1 KiB
C#
141 lines
5.1 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2018
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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using System.Globalization;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Web;
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namespace System
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{
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public static class StringExtension
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{
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private static readonly Regex reStrict = new Regex(@"^(([^<>()[\]\\.,;:\s@\""]+"
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+ @"(\.[^<>()[\]\\.,;:\s@\""]+)*)|(\"".+\""))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}"
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+ @"\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$");
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public static string HtmlEncode(this string str)
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{
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return !string.IsNullOrEmpty(str) ? HttpUtility.HtmlEncode(str) : str;
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}
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/// <summary>
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/// Replace ' on ′
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static string ReplaceSingleQuote(this string str)
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{
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return str?.Replace("'", "′");
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}
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public static bool TestEmailRegex(this string emailAddress)
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{
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emailAddress = (emailAddress ?? "").Trim();
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return !string.IsNullOrEmpty(emailAddress) && reStrict.IsMatch(emailAddress);
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}
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public static string GetMD5Hash(this string str)
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{
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var bytes = Encoding.Unicode.GetBytes(str);
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using var CSP = new MD5CryptoServiceProvider();
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var byteHash = CSP.ComputeHash(bytes);
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return byteHash.Aggregate(string.Empty, (current, b) => current + string.Format("{0:x2}", b));
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}
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public static int EnumerableComparer(this string x, string y)
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{
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var xIndex = 0;
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var yIndex = 0;
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while (xIndex < x.Length)
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{
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if (yIndex >= y.Length)
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return 1;
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if (char.IsDigit(x[xIndex]) && char.IsDigit(y[yIndex]))
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{
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var xBuilder = new StringBuilder();
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while (xIndex < x.Length && char.IsDigit(x[xIndex]))
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{
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xBuilder.Append(x[xIndex++]);
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}
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var yBuilder = new StringBuilder();
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while (yIndex < y.Length && char.IsDigit(y[yIndex]))
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{
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yBuilder.Append(y[yIndex++]);
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}
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long xValue;
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try
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{
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xValue = Convert.ToInt64(xBuilder.ToString());
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}
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catch (OverflowException)
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{
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xValue = long.MaxValue;
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}
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long yValue;
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try
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{
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yValue = Convert.ToInt64(yBuilder.ToString());
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}
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catch (OverflowException)
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{
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yValue = long.MaxValue;
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}
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int difference;
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if ((difference = xValue.CompareTo(yValue)) != 0)
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return difference;
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}
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else
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{
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int difference;
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if ((difference = string.Compare(x[xIndex].ToString(CultureInfo.InvariantCulture), y[yIndex].ToString(CultureInfo.InvariantCulture), StringComparison.InvariantCultureIgnoreCase)) != 0)
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return difference;
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xIndex++;
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yIndex++;
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}
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}
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if (yIndex < y.Length)
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return -1;
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return 0;
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}
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}
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}
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