Workshop - Added button to copy share link to profile detail page

src/Artemis.Core/Utilities/StringUtilities.cs

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+using System.Text;
+
+namespace Artemis.Core;
+
+/// <summary>
+///     Provides some random string utilities.
+/// </summary>
+public static class StringUtilities
+{
+    /// <summary>
+    ///     Produces optional, URL-friendly version of a title, "like-this-one".
+    ///     hand-tuned for speed, reflects performance refactoring contributed
+    ///     by John Gietzen (user otac0n)
+    /// </summary>
+    /// <remarks>Source: https://stackoverflow.com/a/25486</remarks>
+    public static string UrlFriendly(string? title)
+    {
+        if (title == null) return "";
+
+        const int maxlen = 80;
+        int len = title.Length;
+        bool prevdash = false;
+        StringBuilder sb = new(len);
+        char c;
+
+        for (int i = 0; i < len; i++)
+        {
+            c = title[i];
+            if ((c >= 'a' && c <= 'z') || (c >= '0' && c <= '9'))
+            {
+                sb.Append(c);
+                prevdash = false;
+            }
+            else if (c >= 'A' && c <= 'Z')
+            {
+                // tricky way to convert to lowercase
+                sb.Append((char) (c | 32));
+                prevdash = false;
+            }
+            else if (c == ' ' || c == ',' || c == '.' || c == '/' ||
+                     c == '\\' || c == '-' || c == '_' || c == '=')
+            {
+                if (!prevdash && sb.Length > 0)
+                {
+                    sb.Append('-');
+                    prevdash = true;
+                }
+            }
+            else if (c >= 128)
+            {
+                int prevlen = sb.Length;
+                sb.Append(RemapInternationalCharToAscii(c));
+                if (prevlen != sb.Length) prevdash = false;
+            }
+
+            if (i == maxlen) break;
+        }
+
+        if (prevdash)
+            return sb.ToString().Substring(0, sb.Length - 1);
+        return sb.ToString();
+    }
+
+    /// <summary>
+    ///     Remaps internation characters to their ASCII equivalent.
+    ///     <remarks>Source: https://meta.stackexchange.com/a/7696</remarks>
+    /// </summary>
+    /// <param name="c">The character to remap</param>
+    /// <returns>The ASCII equivalent.</returns>
+    public static string RemapInternationalCharToAscii(char c)
+    {
+        string s = c.ToString().ToLowerInvariant();
+        if ("àåáâäãåą".Contains(s))
+        {
+            return "a";
+        }
+        else if ("èéêëę".Contains(s))
+        {
+            return "e";
+        }
+        else if ("ìíîïı".Contains(s))
+        {
+            return "i";
+        }
+        else if ("òóôõöøőð".Contains(s))
+        {
+            return "o";
+        }
+        else if ("ùúûüŭů".Contains(s))
+        {
+            return "u";
+        }
+        else if ("çćčĉ".Contains(s))
+        {
+            return "c";
+        }
+        else if ("żźž".Contains(s))
+        {
+            return "z";
+        }
+        else if ("śşšŝ".Contains(s))
+        {
+            return "s";
+        }
+        else if ("ñń".Contains(s))
+        {
+            return "n";
+        }
+        else if ("ýÿ".Contains(s))
+        {
+            return "y";
+        }
+        else if ("ğĝ".Contains(s))
+        {
+            return "g";
+        }
+        else if (c == 'ř')
+        {
+            return "r";
+        }
+        else if (c == 'ł')
+        {
+            return "l";
+        }
+        else if (c == 'đ')
+        {
+            return "d";
+        }
+        else if (c == 'ß')
+        {
+            return "ss";
+        }
+        else if (c == 'Þ')
+        {
+            return "th";
+        }
+        else if (c == 'ĥ')
+        {
+            return "h";
+        }
+        else if (c == 'ĵ')
+        {
+            return "j";
+        }
+        else
+        {
+            return "";
+        }
+    }
+}