dx/src/com/android/jack/dx/merge/TypeList.java

/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * 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.android.jack.dx.merge;

import com.android.jack.dx.io.DexBuffer;
import com.android.jack.dx.util.Unsigned;

/**
 * TODO(jack team)
 */
public final class TypeList implements Comparable<TypeList> {

  public static final TypeList EMPTY = new TypeList(null, new short[0]);

  private final DexBuffer buffer;
  private final short[] types;

  public TypeList(DexBuffer buffer, short[] types) {
    this.buffer = buffer;
    this.types = types;
  }

  public short[] getTypes() {
    return types;
  }

  @Override
  public int compareTo(TypeList other) {
    for (int i = 0; i < types.length && i < other.types.length; i++) {
      if (types[i] != other.types[i]) {
        return Unsigned.compare(types[i], other.types[i]);
      }
    }
    return Unsigned.compare(types.length, other.types.length);
  }

  @Override
  public String toString() {
    StringBuilder result = new StringBuilder();
    result.append("(");
    for (int i = 0, typesLength = types.length; i < typesLength; i++) {
      result.append(buffer != null ? buffer.typeNames().get(types[i]) : types[i]);
    }
    result.append(")");
    return result.toString();
  }
}