1 files changed, 0 insertions, 100 deletions
diff --git a/src/main/java/com/google/escapevelocity/ImmutableAsciiSet.java b/src/main/java/com/google/escapevelocity/ImmutableAsciiSet.java
deleted file mode 100644
index 96a126c..0000000
--- a/src/main/java/com/google/escapevelocity/ImmutableAsciiSet.java
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (C) 2017 Google, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
- * in compliance with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the License
- * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
- * or implied. See the License for the specific language governing permissions and limitations under
- * the License.
- */
-package com.google.escapevelocity;
-
-import java.util.AbstractSet;
-import java.util.BitSet;
-import java.util.Iterator;
-import java.util.NoSuchElementException;
-
-/**
- * An immutable set of ASCII characters.
- *
- * @author emcmanus@google.com (Éamonn McManus)
- */
-class ImmutableAsciiSet extends AbstractSet<Integer> {
-  private final BitSet bits;
-
-  ImmutableAsciiSet(BitSet bits) {
-    this.bits = bits;
-  }
-
-  static ImmutableAsciiSet of(char c) {
-    return ofRange(c, c);
-  }
-
-  static ImmutableAsciiSet ofRange(char from, char to) {
-    if (from > to) {
-      throw new IllegalArgumentException("from > to");
-    }
-    if (to >= 128) {
-      throw new IllegalArgumentException("Not ASCII");
-    }
-    BitSet bits = new BitSet();
-    bits.set(from, to + 1);
-    return new ImmutableAsciiSet(bits);
-  }
-
-  ImmutableAsciiSet union(ImmutableAsciiSet that) {
-    BitSet union = (BitSet) bits.clone();
-    union.or(that.bits);
-    return new ImmutableAsciiSet(union);
-  }
-
-  @Override
-  public boolean contains(Object o) {
-    int i = -1;
-    if (o instanceof Character) {
-      i = (Character) o;
-    } else if (o instanceof Integer) {
-      i = (Integer) o;
-    }
-    return contains(i);
-  }
-
-  boolean contains(int i) {
-    if (i < 0) {
-      return false;
-    } else {
-      return bits.get(i);
-    }
-  }
-
-  @Override
-  public Iterator<Integer> iterator() {
-    return new Iterator<Integer>() {
-      private int index;
-
-      @Override
-      public boolean hasNext() {
-        return bits.nextSetBit(index) >= 0;
-      }
-
-      @Override
-      public Integer next() {
-        if (!hasNext()) {
-          throw new NoSuchElementException();
-        }
-        int next = bits.nextSetBit(index);
-        index = next + 1;
-        return next;
-      }
-    };
-  }
-
-  @Override
-  public int size() {
-    return bits.cardinality();
-  }
-}