8331591: sun.font.CharSequenceCodePointIterator is buggy and unused

Reviewed-by: angorya, honkar

Author: prrace

src/java.desktop/share/classes/sun/font/CodePointIterator.java

@@ -56,10 +56,6 @@ public static CodePointIterator create(char[] text, int start, int limit) {
         return new CharArrayCodePointIterator(text, start, limit);
     }
 
-    public static CodePointIterator create(CharSequence text) {
-        return new CharSequenceCodePointIterator(text);
-    }
-
     public static CodePointIterator create(CharacterIterator iter) {
         return new CharacterIteratorCodePointIterator(iter);
     }
@@ -129,57 +125,6 @@ public int charIndex() {
     }
 }
 
-final class CharSequenceCodePointIterator extends CodePointIterator {
-    private CharSequence text;
-    private int index;
-
-    public CharSequenceCodePointIterator(CharSequence text) {
-        this.text = text;
-    }
-
-    public void setToStart() {
-        index = 0;
-    }
-
-    public void setToLimit() {
-        index = text.length();
-    }
-
-    public int next() {
-        if (index < text.length()) {
-            char cp1 = text.charAt(index++);
-            if (Character.isHighSurrogate(cp1) && index < text.length()) {
-                char cp2 = text.charAt(index+1);
-                if (Character.isLowSurrogate(cp2)) {
-                    ++index;
-                    return Character.toCodePoint(cp1, cp2);
-                }
-            }
-            return cp1;
-        }
-        return DONE;
-    }
-
-    public int prev() {
-        if (index > 0) {
-            char cp2 = text.charAt(--index);
-            if (Character.isLowSurrogate(cp2) && index > 0) {
-                char cp1 = text.charAt(index - 1);
-                if (Character.isHighSurrogate(cp1)) {
-                    --index;
-                    return Character.toCodePoint(cp1, cp2);
-                }
-            }
-            return cp2;
-        }
-        return DONE;
-    }
-
-    public int charIndex() {
-        return index;
-    }
-}
-
 // note this has different iteration semantics than CharacterIterator
 final class CharacterIteratorCodePointIterator extends CodePointIterator {
     private CharacterIterator iter;