Large refactor and project restructuring

2020-02-12 15:16:19 +01:00
parent c10e197c39
commit 6d5004bf54
71 changed files with 1664 additions and 1607 deletions
--- a/PluralKit.Bot/Utils/StringUtils.cs
+++ b/PluralKit.Bot/Utils/StringUtils.cs
@@ -0,0 +1,52 @@
+using System;
+using System.Globalization;
+using System.Text.RegularExpressions;
+
+using Discord;
+
+namespace PluralKit.Bot
+{
+    public static class StringUtils
+    {
+        public static Color? ToDiscordColor(this string color)
+        {
+            if (uint.TryParse(color, NumberStyles.HexNumber, null, out var colorInt))
+                return new Color(colorInt);
+            throw new ArgumentException($"Invalid color string '{color}'.");
+        }
+        
+        public static bool HasMentionPrefix(string content, ref int argPos, out ulong mentionId)
+        {
+            mentionId = 0;
+            
+            // Roughly ported from Discord.Commands.MessageExtensions.HasMentionPrefix
+            if (string.IsNullOrEmpty(content) || content.Length <= 3 || (content[0] != '<' || content[1] != '@'))
+                return false;
+            int num = content.IndexOf('>');
+            if (num == -1 || content.Length < num + 2 || content[num + 1] != ' ' || !MentionUtils.TryParseUser(content.Substring(0, num + 1), out mentionId))
+                return false;
+            argPos = num + 2;
+            return true;
+        }
+
+        public static bool TryParseMention(this string potentialMention, out ulong id)
+        {
+            if (ulong.TryParse(potentialMention, out id)) return true;
+            if (MentionUtils.TryParseUser(potentialMention, out id)) return true;
+            return false;
+        }
+
+        public static string SanitizeMentions(this string input) =>
+            Regex.Replace(Regex.Replace(input, "<@[!&]?(\\d{17,19})>", "<\u200B@$1>"), "@(everyone|here)", "@\u200B$1");
+
+        public static string SanitizeEveryone(this string input) =>
+            Regex.Replace(input, "@(everyone|here)", "@\u200B$1");
+
+        public static string EscapeMarkdown(this string input)
+        {
+            Regex pattern = new Regex(@"[*_~>`(||)\\]", RegexOptions.Multiline);
+            if (input != null) return pattern.Replace(input, @"\$&");
+            else return input;
+        }
+    }
+}