content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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 mf.org.apache.xerces.impl.dtd.models;
  
  
  /**
   * Content model any node.
   *
   * @version $Id: CMAny.java 572057 2007-09-02 18:03:20Z mrglavas $
   * @xerces.internal
   */
  public class CMAny
          extends CMNode {
  
      //
      // Data
      //
  
      /**
       * The any content model type. This value is one of the following:
       * XMLContentSpec.CONTENTSPECNODE_ANY,
       * XMLContentSpec.CONTENTSPECNODE_ANY_OTHER,
       * XMLContentSpec.CONTENTSPECNODE_ANY_LOCAL.
       */
      private final int fType;
  
      /**
       * URI of the any content model. This value is set if the type is
       * of the following:
       * XMLContentSpec.CONTENTSPECNODE_ANY,
       * XMLContentSpec.CONTENTSPECNODE_ANY_OTHER.
       */
      private final String fURI;
  
      /**
       * Part of the algorithm to convert a regex directly to a DFA
       * numbers each leaf sequentially. If its -1, that means its an
       * epsilon node. Zero and greater are non-epsilon positions.
       */
      private int fPosition = -1;
  
      //
      // Constructors
      //
  
      /**
       * Constructs a content model any.
       */
      public CMAny(int type, String uri, int position) {
          super(type);
  
          // Store the information
          fType = type;
          fURI = uri;
          fPosition = position;
      }
  
      //
      // Package methods
      //
  
      final int getType() {
          return fType;
      }
  
      final String getURI() {
          return fURI;
      }
  
      final int getPosition() {
          return fPosition;
      }
  
      final void setPosition(int newPosition) {
          fPosition = newPosition;
      }
  
      //
      // CMNode methods
      //
  
      // package
  
      @Override
      public boolean isNullable() {
          // Leaf nodes are never nullable unless its an epsilon node
          return (fPosition == -1);
      }
  
      @Override
      public String toString() {
          StringBuffer strRet = new StringBuffer();
          strRet.append('(');
          strRet.append("##any:uri=");
          strRet.append(fURI);
          strRet.append(')');
          if (fPosition >= 0) {
              strRet.append(" (Pos:")
                      .append(Integer.toString(fPosition))
                      .append(')');
          }
          return strRet.toString();
      }
  
      // protected
  
      @Override
      protected void calcFirstPos(CMStateSet toSet) {
          // If we are an epsilon node, then the first pos is an empty set
          if (fPosition == -1)
              toSet.zeroBits();
  
              // Otherwise, its just the one bit of our position
          else
              toSet.setBit(fPosition);
      }
  
      @Override
      protected void calcLastPos(CMStateSet toSet) {
          // If we are an epsilon node, then the last pos is an empty set
          if (fPosition == -1)
              toSet.zeroBits();
  
              // Otherwise, its just the one bit of our position
          else
              toSet.setBit(fPosition);
      }
  
  } // class CMAny
  
  