75     /**
  76      * Return the content model that is relevant to the current state.
  77      */
  78     public ContentModel getModel() {
  79         ContentModel m = model;
  80         for (int i = 0; i < value; i++) {
  81             if (m.next != null) {
  82                 m = m.next;
  83             } else {
  84                 return null;
  85             }
  86         }
  87         return m;
  88     }
  89 
  90     /**
  91      * Check if the state can be terminated. That is there are no more
  92      * tokens required in the input stream.
  93      * @return true if the model can terminate without further input
  94      */

  95     public boolean terminate() {
  96         switch (model.type) {
  97           case '+':
  98             if ((value == 0) && !(model).empty()) {
  99                 return false;
 100             }

 101           case '*':
 102           case '?':
 103             return (next == null) || next.terminate();
 104 
 105           case '|':
 106             for (ContentModel m = (ContentModel)model.content ; m != null ; m = m.next) {
 107                 if (m.empty()) {
 108                     return (next == null) || next.terminate();
 109                 }
 110             }
 111             return false;
 112 
 113           case '&': {
 114             ContentModel m = (ContentModel)model.content;
 115 
 116             for (int i = 0 ; m != null ; i++, m = m.next) {
 117                 if ((value & (1L << i)) == 0) {
 118                     if (!m.empty()) {
 119                         return false;
 120                     }

  75     /**
  76      * Return the content model that is relevant to the current state.
  77      */
  78     public ContentModel getModel() {
  79         ContentModel m = model;
  80         for (int i = 0; i < value; i++) {
  81             if (m.next != null) {
  82                 m = m.next;
  83             } else {
  84                 return null;
  85             }
  86         }
  87         return m;
  88     }
  89 
  90     /**
  91      * Check if the state can be terminated. That is there are no more
  92      * tokens required in the input stream.
  93      * @return true if the model can terminate without further input
  94      */
  95     @SuppressWarnings("fallthrough")
  96     public boolean terminate() {
  97         switch (model.type) {
  98           case '+':
  99             if ((value == 0) && !(model).empty()) {
 100                 return false;
 101             }
 102             // Fall through okay?
 103           case '*':
 104           case '?':
 105             return (next == null) || next.terminate();
 106 
 107           case '|':
 108             for (ContentModel m = (ContentModel)model.content ; m != null ; m = m.next) {
 109                 if (m.empty()) {
 110                     return (next == null) || next.terminate();
 111                 }
 112             }
 113             return false;
 114 
 115           case '&': {
 116             ContentModel m = (ContentModel)model.content;
 117 
 118             for (int i = 0 ; m != null ; i++, m = m.next) {
 119                 if ((value & (1L << i)) == 0) {
 120                     if (!m.empty()) {
 121                         return false;
 122                     }