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

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   1 /*
   2  * Copyright (c) 2006, 2009, Oracle and/or its affiliates. All rights reserved.

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


 440             else {
 441                 nodeRet = fNodeFactory.getCMUniOpNode(XSParticleDecl.PARTICLE_ONE_OR_MORE, nodeRet);
 442             }
 443         }
 444         return nodeRet;
 445     }
 446 
 447     // This method checks if this particle can be transformed into a compact syntax
 448     // tree containing compound leaf nodes which carry occurence information. Currently
 449     // it returns true if each model group has minOccurs/maxOccurs == 1 or
 450     // contains only one element/wildcard particle with minOccurs/maxOccurs == 1.
 451     private boolean useRepeatingLeafNodes(XSParticleDecl particle) {
 452         int maxOccurs = particle.fMaxOccurs;
 453         int minOccurs = particle.fMinOccurs;
 454         short type = particle.fType;
 455 
 456         if (type == XSParticleDecl.PARTICLE_MODELGROUP) {
 457             XSModelGroupImpl group = (XSModelGroupImpl) particle.fValue;
 458             if (minOccurs != 1 || maxOccurs != 1) {
 459                 if (group.fParticleCount == 1) {
 460                     XSParticleDecl particle2 = (XSParticleDecl) group.fParticles[0];
 461                     short type2 = particle2.fType;
 462                     return ((type2 == XSParticleDecl.PARTICLE_ELEMENT ||
 463                             type2 == XSParticleDecl.PARTICLE_WILDCARD) &&
 464                             particle2.fMinOccurs == 1 &&
 465                             particle2.fMaxOccurs == 1);
 466                 }
 467                 return (group.fParticleCount == 0);
 468             }
 469             for (int i = 0; i < group.fParticleCount; ++i) {
 470                 if (!useRepeatingLeafNodes(group.fParticles[i])) {
 471                     return false;
 472                 }
 473             }
 474         }
 475         return true;
 476     }
 477 }
   1 /*
   2  * Copyright (c) 2006, 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.models;
  23 


 441             else {
 442                 nodeRet = fNodeFactory.getCMUniOpNode(XSParticleDecl.PARTICLE_ONE_OR_MORE, nodeRet);
 443             }
 444         }
 445         return nodeRet;
 446     }
 447 
 448     // This method checks if this particle can be transformed into a compact syntax
 449     // tree containing compound leaf nodes which carry occurence information. Currently
 450     // it returns true if each model group has minOccurs/maxOccurs == 1 or
 451     // contains only one element/wildcard particle with minOccurs/maxOccurs == 1.
 452     private boolean useRepeatingLeafNodes(XSParticleDecl particle) {
 453         int maxOccurs = particle.fMaxOccurs;
 454         int minOccurs = particle.fMinOccurs;
 455         short type = particle.fType;
 456 
 457         if (type == XSParticleDecl.PARTICLE_MODELGROUP) {
 458             XSModelGroupImpl group = (XSModelGroupImpl) particle.fValue;
 459             if (minOccurs != 1 || maxOccurs != 1) {
 460                 if (group.fParticleCount == 1) {
 461                     XSParticleDecl particle2 = group.fParticles[0];
 462                     short type2 = particle2.fType;
 463                     return ((type2 == XSParticleDecl.PARTICLE_ELEMENT ||
 464                             type2 == XSParticleDecl.PARTICLE_WILDCARD) &&
 465                             particle2.fMinOccurs == 1 &&
 466                             particle2.fMaxOccurs == 1);
 467                 }
 468                 return (group.fParticleCount == 0);
 469             }
 470             for (int i = 0; i < group.fParticleCount; ++i) {
 471                 if (!useRepeatingLeafNodes(group.fParticles[i])) {
 472                     return false;
 473                 }
 474             }
 475         }
 476         return true;
 477     }
 478 }
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