[PlutoCommandParser] Code cleanup

UPDATE_NOTES.md

@@ -17,6 +17,7 @@ can now only be modified only through public setters
 * `[PlutoCore]` Refactored `InputBus` and added several convenience methods
     * `[PlutoCore]` Refactored input callbacks
 * `[PlutoStatic]` Slight cleanup in the `Display` and `DisplayBuilder` classes
+* `[PlutoCommandParser]` Code cleanup
 
 ## 20.2.0.0-alpha.1
 * `[PlutoLib#cz.tefek.pluto.io.logger]` Refactored the Logger subsystem

plutocommandparser/src/main/java/cz/tefek/pluto/command/context/CommandContextBuilder.java

@@ -4,7 +4,7 @@ import cz.tefek.pluto.command.CommandBase;
 
 public class CommandContextBuilder
 {
-    private CommandContext ctx;
+    private final CommandContext ctx;
 
     public CommandContextBuilder()
     {

plutocommandparser/src/main/java/cz/tefek/pluto/command/parser/CommandParser.java

@@ -14,7 +14,7 @@ import cz.tefek.pluto.command.registry.CommandRegistry;
 
 public class CommandParser
 {
-    private String text;
+    private final String text;
     private Set<OfInt> prefixes;
     private EnumParserState state;
 
@@ -196,7 +196,11 @@ public class CommandParser
             this.state = EnumParserState.READING_PREFIX;
         }
 
-        this.text.codePoints().takeWhile(this::readCodepoint);
+        var cps = this.text.codePoints();
+
+        for (var cpIt = cps.iterator(); cpIt.hasNext(); )
+            if (!this.readCodepoint(cpIt.next()))
+                break;
 
         // Update the state for EOF        
         switch (this.state)