Add client-specific colors (No Mefedroniy support 'cause no parsing :( )

src/main/java/net/pixtaded/crab/client/ClientColor.java

@@ -0,0 +1,4 @@
+package net.pixtaded.crab.client;
+
+public record ClientColor(String regex, String color) {
+}

src/main/java/net/pixtaded/crab/client/ClientUtil.java

@@ -0,0 +1,32 @@
+package net.pixtaded.crab.client;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class ClientUtil {
+
+    public static final String COLOR_KEY = "\u2550\u2550\u2550";
+
+    public static final ClientColor[] colors = {
+            new ClientColor( COLOR_KEY + "(<.*?>)", "\033[0;31m$1\033[0m"),
+            new ClientColor("\uB9AC\u3E70(<.*?>)", "\033[0;32m$1\033[0m"),
+            new ClientColor(" (<.*?>)", " \033[0;34m$1\033[0m")
+            /*
+            I'm too lazy to add a message parser, which is absolutely required for Mefedroniy color support. For now, it will be just white.
+            Also, there is another problem with that - there is no "server log format" in the protocol specification,
+            and I want my client to be as compatible as possible.
+            */
+    };
+
+    public static String clientColors(String s) {
+        for (ClientColor color : colors) s = matchClientKey(s, color);
+        return s;
+    }
+
+    private static String matchClientKey(String s, ClientColor color) {
+        Pattern p = Pattern.compile(color.regex());
+        Matcher m = p.matcher(s);
+
+        return m.replaceAll(color.color());
+    }
+}

src/main/java/net/pixtaded/crab/client/CrabClient.java

@@ -30,7 +30,7 @@ public class CrabClient implements Crab {
         this.serverAddress = serverAddress;
         this.port = port;
         if (nickname != null)
-            this.nickname = "<" + nickname + "> ";
+            this.nickname = ClientUtil.COLOR_KEY + "<" + nickname + "> ";
         else
             this.nickname = "";
     }
@@ -71,7 +71,7 @@ public class CrabClient implements Crab {
         System.out.print("Enter your nickname (leave empty for no nickname): ");
         nickname = scanner.nextLine();
         if (!nickname.isEmpty())
-            nickname = "<" + nickname + "> ";
+            nickname = ClientUtil.COLOR_KEY + "<" + nickname + "> ";
     }
 
     private void connect() throws IOException {
@@ -109,7 +109,7 @@ public class CrabClient implements Crab {
 
     private void printLogs() {
         clearScreen();
-        System.out.print(Sanitizer.sanitizeString(cache.content(), false));
+        System.out.print(ClientUtil.clientColors(Sanitizer.sanitizeString(cache.content(), false)));
     }
 
     private void sendMessage(String msg) throws IOException {