| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 2001 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Xerces" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 2001, International |
| * Business Machines, Inc., http://www.apache.org. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.xerces.impl.xs.traversers; |
| |
| import org.apache.xerces.impl.XMLErrorReporter; |
| import org.apache.xerces.impl.xs.SchemaGrammar; |
| import org.apache.xerces.impl.xs.SchemaSymbols; |
| import org.apache.xerces.impl.xs.XSParticleDecl; |
| import org.apache.xerces.impl.xs.XSGroupDecl; |
| import org.apache.xerces.impl.xs.XSMessageFormatter; |
| import org.apache.xerces.util.DOMUtil; |
| import org.apache.xerces.impl.xs.util.XInt; |
| import org.apache.xerces.xni.QName; |
| import org.w3c.dom.Element; |
| |
| /** |
| * The model group schema component traverser. |
| * |
| * <group |
| * name = NCName> |
| * Content: (annotation?, (all | choice | sequence)) |
| * </group> |
| * |
| * @author Rahul Srivastava, Sun Microsystems Inc. |
| * @author Elena Litani, IBM |
| * @author Lisa Martin, IBM |
| * @version $Id$ |
| */ |
| class XSDGroupTraverser extends XSDAbstractParticleTraverser { |
| |
| XSDGroupTraverser (XSDHandler handler, |
| XSAttributeChecker gAttrCheck) { |
| |
| super(handler, gAttrCheck); |
| } |
| |
| XSParticleDecl traverseLocal(Element elmNode, |
| XSDocumentInfo schemaDoc, |
| SchemaGrammar grammar) { |
| |
| // General Attribute Checking for elmNode declared locally |
| Object[] attrValues = fAttrChecker.checkAttributes(elmNode, false, |
| schemaDoc); |
| QName refAttr = (QName) attrValues[XSAttributeChecker.ATTIDX_REF]; |
| XInt minAttr = (XInt) attrValues[XSAttributeChecker.ATTIDX_MINOCCURS]; |
| XInt maxAttr = (XInt) attrValues[XSAttributeChecker.ATTIDX_MAXOCCURS]; |
| |
| XSGroupDecl group = null; |
| |
| // ref should be here. |
| if (refAttr == null) { |
| reportGenericSchemaError("Local group declaration should have ref."); |
| } else { |
| // get global decl |
| // index is a particle index. |
| group = (XSGroupDecl)fSchemaHandler.getGlobalDecl(schemaDoc, XSDHandler.GROUP_TYPE, refAttr); |
| } |
| |
| // no children are allowed |
| if (DOMUtil.getFirstChildElement(elmNode) != null) { |
| reportGenericSchemaError("Local group declaration cannot have a child."); |
| } |
| |
| int minOccurs = minAttr.intValue(); |
| int maxOccurs = maxAttr.intValue(); |
| |
| XSParticleDecl particle = null; |
| |
| if (group != null) { |
| // empty particle |
| if (minOccurs == 0 && maxOccurs == 0) { |
| } else if (minOccurs == 1 && maxOccurs == 1) { |
| particle = group.fParticle; |
| } |
| else if (!( minOccurs == 1 && maxOccurs == 1)) { |
| // if minOccurs==maxOccurs==1 we don't need to create new particle |
| // create new particle in the grammar if minOccurs<maxOccurs |
| particle = new XSParticleDecl(); |
| particle.fType = group.fParticle.fType; |
| particle.fValue = group.fParticle; |
| particle.fMinOccurs = minOccurs; |
| particle.fMaxOccurs = maxOccurs; |
| } |
| } |
| |
| fAttrChecker.returnAttrArray(attrValues, schemaDoc); |
| |
| return particle; |
| |
| } // traverseLocal |
| |
| XSGroupDecl traverseGlobal(Element elmNode, |
| XSDocumentInfo schemaDoc, |
| SchemaGrammar grammar) { |
| |
| // General Attribute Checking for elmNode declared globally |
| Object[] attrValues = fAttrChecker.checkAttributes(elmNode, true, |
| schemaDoc); |
| String strNameAttr = (String) attrValues[XSAttributeChecker.ATTIDX_NAME]; |
| |
| // must have a name |
| if (strNameAttr == null) { |
| reportGenericSchemaError("Global group declaration must have a name."); |
| } |
| |
| XSGroupDecl group = null; |
| XSParticleDecl particle = null; |
| |
| // must have at least one child |
| Element l_elmChild = DOMUtil.getFirstChildElement(elmNode); |
| if (l_elmChild == null) { |
| reportGenericSchemaError("Global group declaration must have a child."); |
| } else { |
| String childName = l_elmChild.getLocalName(); |
| if (childName.equals(SchemaSymbols.ELT_ANNOTATION)) { |
| traverseAnnotationDecl(l_elmChild, attrValues, true, schemaDoc); |
| l_elmChild = DOMUtil.getNextSiblingElement(l_elmChild); |
| if (l_elmChild != null) |
| childName = l_elmChild.getLocalName(); |
| } |
| |
| if (l_elmChild == null) { |
| reportGenericSchemaError("Global group element must have a child <all>, <choice> or <sequence>."); |
| } else if (childName.equals(SchemaSymbols.ELT_ALL)) { |
| particle = traverseAll(l_elmChild, schemaDoc, grammar, CHILD_OF_GROUP); |
| } else if (childName.equals(SchemaSymbols.ELT_CHOICE)) { |
| particle = traverseChoice(l_elmChild, schemaDoc, grammar, CHILD_OF_GROUP); |
| } else if (childName.equals(SchemaSymbols.ELT_SEQUENCE)) { |
| particle = traverseSequence(l_elmChild, schemaDoc, grammar, CHILD_OF_GROUP); |
| } else { |
| Object[] args = new Object [] { "group", childName}; |
| fErrorReporter.reportError(XSMessageFormatter.SCHEMA_DOMAIN, |
| "GroupContentRestricted", |
| args, |
| XMLErrorReporter.SEVERITY_ERROR); |
| } |
| |
| if (l_elmChild != null && |
| DOMUtil.getNextSiblingElement(l_elmChild) != null) { |
| Object[] args = new Object [] { "group", childName}; |
| fErrorReporter.reportError(XSMessageFormatter.SCHEMA_DOMAIN, |
| "GroupContentRestricted", |
| args, |
| XMLErrorReporter.SEVERITY_ERROR); |
| } |
| |
| // add global group declaration to the grammar |
| if (particle != null && strNameAttr != null) { |
| group = new XSGroupDecl(); |
| group.fName = strNameAttr; |
| group.fTargetNamespace = schemaDoc.fTargetNamespace; |
| group.fParticle = particle; |
| grammar.addGlobalGroupDecl(group); |
| } |
| } |
| if(group != null) { |
| // store groups redefined by restriction in the grammar so |
| // that we can get at them at full-schema-checking time. |
| Object redefinedGrp = fSchemaHandler.getGrpOrAttrGrpRedefinedByRestriction(XSDHandler.GROUP_TYPE, |
| new QName(fSchemaHandler.EMPTY_STRING, strNameAttr, strNameAttr, schemaDoc.fTargetNamespace), |
| schemaDoc); |
| if(redefinedGrp != null) { |
| // store in grammar |
| grammar.addRedefinedGroupDecl(group, (XSGroupDecl)redefinedGrp); |
| } |
| } |
| |
| fAttrChecker.returnAttrArray(attrValues, schemaDoc); |
| |
| return group; |
| |
| } // traverseGlobal |
| } |
