content: /*
   * Copyright (c) 2007, 2015, 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.javap;
  
  import java.util.EnumSet;
  import java.util.HashSet;
  import java.util.Set;
  
  import openjdk.tools.classfile.AccessFlags;
  
  /*
   *  Provides access to javap's options, set via the command line
   *  or JSR 199 API.
   *  <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 Options {
      public static Options instance(Context context) {
          Options instance = context.get(Options.class);
          if (instance == null)
              instance = new Options(context);
          return instance;
      }
  
      protected Options(Context context) {
          context.put(Options.class, this);
      }
  
      /**
       * Checks access of class, field or method.
       */
      public boolean checkAccess(AccessFlags flags){
  
          boolean isPublic = flags.is(AccessFlags.ACC_PUBLIC);
          boolean isProtected = flags.is(AccessFlags.ACC_PROTECTED);
          boolean isPrivate = flags.is(AccessFlags.ACC_PRIVATE);
          boolean isPackage = !(isPublic || isProtected || isPrivate);
  
          if ((showAccess == AccessFlags.ACC_PUBLIC) && (isProtected || isPrivate || isPackage))
              return false;
          else if ((showAccess == AccessFlags.ACC_PROTECTED) && (isPrivate || isPackage))
              return false;
          else if ((showAccess == 0) && (isPrivate))
              return false;
          else
              return true;
      }
  
      public boolean help;
      public boolean verbose;
      public boolean version;
      public boolean fullVersion;
      public boolean showFlags;
      public boolean showLineAndLocalVariableTables;
      public int showAccess;
      public Set<String> accessOptions = new HashSet<>();
      public Set<InstructionDetailWriter.Kind> details = EnumSet.noneOf(InstructionDetailWriter.Kind.class);
      public boolean showDisassembled;
      public boolean showDescriptors;
      public boolean showAllAttrs;
      public boolean showConstants;
      public boolean sysInfo;
      public boolean showInnerClasses;
      public int indentWidth = 2;   // #spaces per indentWidth level; must be > 0
      public int tabColumn = 40;    // column number for comments; must be > 0
      public String moduleName;
  }
  