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src/java.xml/share/classes/com/sun/org/apache/xerces/internal/impl/xs/SubstitutionGroupHandler.java

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   1 /*
   2  * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * @LastModified: Oct 2017
   4  */
   5 /*
   6  * Licensed to the Apache Software Foundation (ASF) under one or more
   7  * contributor license agreements.  See the NOTICE file distributed with
   8  * this work for additional information regarding copyright ownership.
   9  * The ASF licenses this file to You under the Apache License, Version 2.0
  10  * (the "License"); you may not use this file except in compliance with
  11  * the License.  You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21 
  22 package com.sun.org.apache.xerces.internal.impl.xs;
  23 


 267         // substitution group for this one is empty
 268         if (subGroup == null) {
 269             fSubGroupsB.put(element, EMPTY_VECTOR);
 270             return EMPTY_VECTOR;
 271         }
 272 
 273         // we've already calculated the element, just return.
 274         if (subGroup instanceof OneSubGroup[])
 275             return (OneSubGroup[])subGroup;
 276 
 277         // we only have the *direct* substitutions
 278         @SuppressWarnings("unchecked")
 279         List<XSElementDecl> group = (ArrayList<XSElementDecl>)subGroup;
 280         List<OneSubGroup> newGroup = new ArrayList<>();
 281         OneSubGroup[] group1;
 282         // then for each of the direct substitutions, get its substitution
 283         // group, and combine the groups together.
 284         short dMethod, bMethod, dSubMethod, bSubMethod;
 285         for (int i = group.size()-1, j; i >= 0; i--) {
 286             // Check whether this element is blocked. If so, ignore it.
 287             XSElementDecl sub = (XSElementDecl)group.get(i);
 288             if (!getDBMethods(sub.fType, element.fType, methods))
 289                 continue;
 290             // Remember derivation methods and blocks from the types
 291             dMethod = methods.dMethod;
 292             bMethod = methods.bMethod;
 293             // Add this one to potential group
 294             newGroup.add(new OneSubGroup(sub, methods.dMethod, methods.bMethod));
 295             // Get potential group for this element
 296             group1 = getSubGroupB(sub, methods);
 297             for (j = group1.length-1; j >= 0; j--) {
 298                 // For each of them, check whether it's blocked (by type)
 299                 dSubMethod = (short)(dMethod | group1[j].dMethod);
 300                 bSubMethod = (short)(bMethod | group1[j].bMethod);
 301                 // Ignore it if it's blocked
 302                 if ((dSubMethod & bSubMethod) != 0)
 303                     continue;
 304                 newGroup.add(new OneSubGroup(group1[j].sub, dSubMethod, bSubMethod));
 305             }
 306         }
 307         // Convert to an array
 308         OneSubGroup[] ret = new OneSubGroup[newGroup.size()];
 309         for (int i = newGroup.size()-1; i >= 0; i--) {
 310             ret[i] = (OneSubGroup)newGroup.get(i);
 311         }
 312         // Store the potential sub group
 313         fSubGroupsB.put(element, ret);
 314 
 315         return ret;
 316     }
 317 
 318     private boolean getDBMethods(XSTypeDefinition typed, XSTypeDefinition typeb,
 319                                  OneSubGroup methods) {
 320         short dMethod = 0, bMethod = 0;
 321         while (typed != typeb && typed != SchemaGrammar.fAnyType) {
 322             if (typed.getTypeCategory() == XSTypeDefinition.COMPLEX_TYPE)
 323                 dMethod |= ((XSComplexTypeDecl)typed).fDerivedBy;
 324             else
 325                 dMethod |= XSConstants.DERIVATION_RESTRICTION;
 326             typed = typed.getBaseType();
 327             // type == null means the current type is anySimpleType,
 328             // whose base type should be anyType
 329             if (typed == null)
 330                 typed = SchemaGrammar.fAnyType;


   1 /*
   2  * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * @LastModified: Nov 2017
   4  */
   5 /*
   6  * Licensed to the Apache Software Foundation (ASF) under one or more
   7  * contributor license agreements.  See the NOTICE file distributed with
   8  * this work for additional information regarding copyright ownership.
   9  * The ASF licenses this file to You under the Apache License, Version 2.0
  10  * (the "License"); you may not use this file except in compliance with
  11  * the License.  You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21 
  22 package com.sun.org.apache.xerces.internal.impl.xs;
  23 


 267         // substitution group for this one is empty
 268         if (subGroup == null) {
 269             fSubGroupsB.put(element, EMPTY_VECTOR);
 270             return EMPTY_VECTOR;
 271         }
 272 
 273         // we've already calculated the element, just return.
 274         if (subGroup instanceof OneSubGroup[])
 275             return (OneSubGroup[])subGroup;
 276 
 277         // we only have the *direct* substitutions
 278         @SuppressWarnings("unchecked")
 279         List<XSElementDecl> group = (ArrayList<XSElementDecl>)subGroup;
 280         List<OneSubGroup> newGroup = new ArrayList<>();
 281         OneSubGroup[] group1;
 282         // then for each of the direct substitutions, get its substitution
 283         // group, and combine the groups together.
 284         short dMethod, bMethod, dSubMethod, bSubMethod;
 285         for (int i = group.size()-1, j; i >= 0; i--) {
 286             // Check whether this element is blocked. If so, ignore it.
 287             XSElementDecl sub = group.get(i);
 288             if (!getDBMethods(sub.fType, element.fType, methods))
 289                 continue;
 290             // Remember derivation methods and blocks from the types
 291             dMethod = methods.dMethod;
 292             bMethod = methods.bMethod;
 293             // Add this one to potential group
 294             newGroup.add(new OneSubGroup(sub, methods.dMethod, methods.bMethod));
 295             // Get potential group for this element
 296             group1 = getSubGroupB(sub, methods);
 297             for (j = group1.length-1; j >= 0; j--) {
 298                 // For each of them, check whether it's blocked (by type)
 299                 dSubMethod = (short)(dMethod | group1[j].dMethod);
 300                 bSubMethod = (short)(bMethod | group1[j].bMethod);
 301                 // Ignore it if it's blocked
 302                 if ((dSubMethod & bSubMethod) != 0)
 303                     continue;
 304                 newGroup.add(new OneSubGroup(group1[j].sub, dSubMethod, bSubMethod));
 305             }
 306         }
 307         // Convert to an array
 308         OneSubGroup[] ret = new OneSubGroup[newGroup.size()];
 309         for (int i = newGroup.size()-1; i >= 0; i--) {
 310             ret[i] = newGroup.get(i);
 311         }
 312         // Store the potential sub group
 313         fSubGroupsB.put(element, ret);
 314 
 315         return ret;
 316     }
 317 
 318     private boolean getDBMethods(XSTypeDefinition typed, XSTypeDefinition typeb,
 319                                  OneSubGroup methods) {
 320         short dMethod = 0, bMethod = 0;
 321         while (typed != typeb && typed != SchemaGrammar.fAnyType) {
 322             if (typed.getTypeCategory() == XSTypeDefinition.COMPLEX_TYPE)
 323                 dMethod |= ((XSComplexTypeDecl)typed).fDerivedBy;
 324             else
 325                 dMethod |= XSConstants.DERIVATION_RESTRICTION;
 326             typed = typed.getBaseType();
 327             // type == null means the current type is anySimpleType,
 328             // whose base type should be anyType
 329             if (typed == null)
 330                 typed = SchemaGrammar.fAnyType;


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