base mod created

build/tmp/recompileMc/sources/net/minecraft/util/ChatAllowedCharacters.java

@@ -0,0 +1,46 @@
+package net.minecraft.util;
+
+import io.netty.util.ResourceLeakDetector;
+import io.netty.util.ResourceLeakDetector.Level;
+
+public class ChatAllowedCharacters
+{
+    public static final Level NETTY_LEAK_DETECTION = Level.DISABLED;
+    public static final char[] ILLEGAL_STRUCTURE_CHARACTERS = new char[] {'.', '\n', '\r', '\t', '\u0000', '\f', '`', '?', '*', '\\', '<', '>', '|', '"'};
+    /** Array of the special characters that are allowed in any text drawing of Minecraft. */
+    public static final char[] ILLEGAL_FILE_CHARACTERS = new char[] {'/', '\n', '\r', '\t', '\u0000', '\f', '`', '?', '*', '\\', '<', '>', '|', '"', ':'};
+
+    /**
+     * Checks if the given character is allowed to be put into chat.
+     */
+    public static boolean isAllowedCharacter(char character)
+    {
+        return character != 167 && character >= ' ' && character != 127;
+    }
+
+    /**
+     * Filter a string, keeping only characters for which {@link #isAllowedCharacter(char)} returns true.
+     *  
+     * Note that this method strips line breaks, as {@link #isAllowedCharacter(char)} returns false for those.
+     * @return A filtered version of the input string
+     */
+    public static String filterAllowedCharacters(String input)
+    {
+        StringBuilder stringbuilder = new StringBuilder();
+
+        for (char c0 : input.toCharArray())
+        {
+            if (isAllowedCharacter(c0))
+            {
+                stringbuilder.append(c0);
+            }
+        }
+
+        return stringbuilder.toString();
+    }
+
+    static
+    {
+        ResourceLeakDetector.setLevel(NETTY_LEAK_DETECTION);
+    }
+}