content: /*
   * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  package openjdk.tools.classfile;
  
  import java.io.IOException;
  
  import openjdk.tools.classfile.ConstantPool.*;
  
  /**
   * See JVMS, section 4.8.6.
   *
   *  <p><b>This is NOT part of any supported API.
   *  If you write code that depends on this, you do so at your own risk.
   *  This code and its internal interfaces are subject to change or
   *  deletion without notice.</b>
   */
  public class InnerClasses_attribute extends Attribute {
      InnerClasses_attribute(ClassReader cr, int name_index, int length) throws IOException {
          super(name_index, length);
          number_of_classes = cr.readUnsignedShort();
          classes = new Info[number_of_classes];
          for (int i = 0; i < number_of_classes; i++)
              classes[i] = new Info(cr);
      }
  
      public InnerClasses_attribute(ConstantPool constant_pool, Info[] classes)
              throws ConstantPoolException {
          this(constant_pool.getUTF8Index(Attribute.InnerClasses), classes);
      }
  
      public InnerClasses_attribute(int name_index, Info[] classes) {
          super(name_index, 2 + Info.length() * classes.length);
          this.number_of_classes = classes.length;
          this.classes = classes;
      }
  
      public <R, D> R accept(Visitor<R, D> visitor, D data) {
          return visitor.visitInnerClasses(this, data);
      }
  
      public final int number_of_classes;
      public final Info[] classes;
  
      public static class Info {
          Info(ClassReader cr) throws IOException {
              inner_class_info_index = cr.readUnsignedShort();
              outer_class_info_index = cr.readUnsignedShort();
              inner_name_index = cr.readUnsignedShort();
              inner_class_access_flags = new AccessFlags(cr.readUnsignedShort());
          }
  
          public Info(int inner_class_info_index, int outer_class_info_index, int inner_name_index, AccessFlags inner_class_access_flags) {
              this.inner_class_info_index = inner_class_info_index;
              this.outer_class_info_index = outer_class_info_index;
              this.inner_name_index = inner_name_index;
              this.inner_class_access_flags = inner_class_access_flags;
          }
  
          public CONSTANT_Class_info getInnerClassInfo(ConstantPool constant_pool) throws ConstantPoolException {
              if (inner_class_info_index == 0)
                  return null;
              return constant_pool.getClassInfo(inner_class_info_index);
          }
  
          public CONSTANT_Class_info getOuterClassInfo(ConstantPool constant_pool) throws ConstantPoolException {
              if (outer_class_info_index == 0)
                  return null;
              return constant_pool.getClassInfo(outer_class_info_index);
          }
  
          public String getInnerName(ConstantPool constant_pool) throws ConstantPoolException {
              if (inner_name_index == 0)
                  return null;
              return constant_pool.getUTF8Value(inner_name_index);
          }
  
          public static int length() {
              return 8;
          }
  
          public final int inner_class_info_index;
          public final int outer_class_info_index;
          public final int inner_name_index;
          public final AccessFlags inner_class_access_flags;
      }
  }
  