src/java.base/share/classes/java/lang/StringLatin1.java

rev 13827 : 8151384: Examine sun.misc.ASCIICaseInsensitiveComparator
Reviewed-by: shade

@@ -126,10 +126,52 @@
             }
         }
         return len1 - len2;
     }
 
+    public static int compareToCI(byte[] value, byte[] other) {
+        int len1 = value.length;
+        int len2 = other.length;
+        int lim = Math.min(len1, len2);
+        for (int k = 0; k < lim; k++) {
+            if (value[k] != other[k]) {
+                char c1 = Character.toUpperCase(getChar(value, k));
+                char c2 = Character.toUpperCase(getChar(other, k));
+                if (c1 != c2) {
+                    c1 = Character.toLowerCase(c1);
+                    c2 = Character.toLowerCase(c2);
+                    if (c1 != c2) {
+                        return c1 - c2;
+                    }
+                }
+            }
+        }
+        return len1 - len2;
+    }
+
+    public static int compareToCI_UTF16(byte[] value, byte[] other) {
+        int len1 = length(value);
+        int len2 = StringUTF16.length(other);
+        int lim = Math.min(len1, len2);
+        for (int k = 0; k < lim; k++) {
+            char c1 = getChar(value, k);
+            char c2 = StringUTF16.getChar(other, k);
+            if (c1 != c2) {
+                c1 = Character.toUpperCase(c1);
+                c2 = Character.toUpperCase(c2);
+                if (c1 != c2) {
+                    c1 = Character.toLowerCase(c1);
+                    c2 = Character.toLowerCase(c2);
+                    if (c1 != c2) {
+                        return c1 - c2;
+                    }
+                }
+            }
+        }
+        return len1 - len2;
+    }
+
     public static int hashCode(byte[] value) {
         int h = 0;
         for (byte v : value) {
             h = 31 * h + (v & 0xff);
         }