| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * Copyright 2001-2004 The Apache Software Foundation. |
| * |
| * Licensed 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 com.sun.org.apache.xerces.internal.impl.xs.traversers; |
| |
| import com.sun.org.apache.xerces.internal.impl.xs.SchemaGrammar; |
| import com.sun.org.apache.xerces.internal.impl.xs.SchemaSymbols; |
| import com.sun.org.apache.xerces.internal.impl.xs.XSAnnotationImpl; |
| import com.sun.org.apache.xerces.internal.impl.xs.XSConstraints; |
| import com.sun.org.apache.xerces.internal.impl.xs.XSGroupDecl; |
| import com.sun.org.apache.xerces.internal.impl.xs.XSModelGroupImpl; |
| import com.sun.org.apache.xerces.internal.impl.xs.XSParticleDecl; |
| import com.sun.org.apache.xerces.internal.impl.xs.util.XInt; |
| import com.sun.org.apache.xerces.internal.impl.xs.util.XSObjectListImpl; |
| import com.sun.org.apache.xerces.internal.util.DOMUtil; |
| import com.sun.org.apache.xerces.internal.util.XMLSymbols; |
| import com.sun.org.apache.xerces.internal.xni.QName; |
| import com.sun.org.apache.xerces.internal.xs.XSObjectList; |
| import org.w3c.dom.Element; |
| |
| /** |
| * The model group schema component traverser. |
| * |
| * <group |
| * name = NCName> |
| * Content: (annotation?, (all | choice | sequence)) |
| * </group> |
| * |
| * @xerces.internal |
| * |
| * @author Rahul Srivastava, Sun Microsystems Inc. |
| * @author Elena Litani, IBM |
| * @author Lisa Martin, IBM |
| * @version $Id: XSDGroupTraverser.java,v 1.7 2010-11-01 04:40:02 joehw Exp $ |
| */ |
| 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) { |
| reportSchemaError("s4s-att-must-appear", new Object[]{"group (local)", "ref"}, elmNode); |
| } else { |
| // get global decl |
| // index is a particle index. |
| group = (XSGroupDecl)fSchemaHandler.getGlobalDecl(schemaDoc, XSDHandler.GROUP_TYPE, refAttr, elmNode); |
| } |
| |
| XSAnnotationImpl annotation = null; |
| // no children other than "annotation?" are allowed |
| Element child = DOMUtil.getFirstChildElement(elmNode); |
| if (child != null && DOMUtil.getLocalName(child).equals(SchemaSymbols.ELT_ANNOTATION)) { |
| annotation = traverseAnnotationDecl(child, attrValues, false, schemaDoc); |
| child = DOMUtil.getNextSiblingElement(child); |
| } |
| else { |
| String text = DOMUtil.getSyntheticAnnotation(elmNode); |
| if (text != null) { |
| annotation = traverseSyntheticAnnotation(elmNode, text, attrValues, false, schemaDoc); |
| } |
| } |
| |
| if (child != null) { |
| reportSchemaError("s4s-elt-must-match.1", new Object[]{"group (local)", "(annotation?)", DOMUtil.getLocalName(elmNode)}, elmNode); |
| } |
| |
| int minOccurs = minAttr.intValue(); |
| int maxOccurs = maxAttr.intValue(); |
| |
| XSParticleDecl particle = null; |
| |
| // not empty group, not empty particle |
| if (group != null && group.fModelGroup != null && |
| !(minOccurs == 0 && maxOccurs == 0)) { |
| // create a particle to contain this model group |
| if (fSchemaHandler.fDeclPool != null) { |
| particle = fSchemaHandler.fDeclPool.getParticleDecl(); |
| } else { |
| particle = new XSParticleDecl(); |
| } |
| particle.fType = XSParticleDecl.PARTICLE_MODELGROUP; |
| particle.fValue = group.fModelGroup; |
| particle.fMinOccurs = minOccurs; |
| particle.fMaxOccurs = maxOccurs; |
| if (group.fModelGroup.fCompositor == XSModelGroupImpl.MODELGROUP_ALL) { |
| Long defaultVals = (Long)attrValues[XSAttributeChecker.ATTIDX_FROMDEFAULT]; |
| particle = checkOccurrences(particle, SchemaSymbols.ELT_GROUP, |
| (Element)elmNode.getParentNode(), GROUP_REF_WITH_ALL, |
| defaultVals.longValue()); |
| } |
| if (refAttr != null) { |
| XSObjectList annotations; |
| if (annotation != null) { |
| annotations = new XSObjectListImpl(); |
| ((XSObjectListImpl) annotations).addXSObject(annotation); |
| } else { |
| annotations = XSObjectListImpl.EMPTY_LIST; |
| } |
| particle.fAnnotations = annotations; |
| } else { |
| particle.fAnnotations = group.fAnnotations; |
| } |
| } |
| |
| 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) { |
| reportSchemaError("s4s-att-must-appear", new Object[]{"group (global)", "name"}, elmNode); |
| } |
| |
| // Create the group defi up-front, so it can be passed |
| // to the traversal methods |
| XSGroupDecl group = new XSGroupDecl(); |
| XSParticleDecl particle = null; |
| |
| // must have at least one child |
| Element l_elmChild = DOMUtil.getFirstChildElement(elmNode); |
| XSAnnotationImpl annotation = null; |
| if (l_elmChild == null) { |
| reportSchemaError("s4s-elt-must-match.2", |
| new Object[]{"group (global)", "(annotation?, (all | choice | sequence))"}, |
| elmNode); |
| } else { |
| String childName = l_elmChild.getLocalName(); |
| if (childName.equals(SchemaSymbols.ELT_ANNOTATION)) { |
| annotation = traverseAnnotationDecl(l_elmChild, attrValues, true, schemaDoc); |
| l_elmChild = DOMUtil.getNextSiblingElement(l_elmChild); |
| if (l_elmChild != null) |
| childName = l_elmChild.getLocalName(); |
| } |
| else { |
| String text = DOMUtil.getSyntheticAnnotation(elmNode); |
| if (text != null) { |
| annotation = traverseSyntheticAnnotation(elmNode, text, attrValues, false, schemaDoc); |
| } |
| } |
| |
| if (l_elmChild == null) { |
| reportSchemaError("s4s-elt-must-match.2", |
| new Object[]{"group (global)", "(annotation?, (all | choice | sequence))"}, |
| elmNode); |
| } else if (childName.equals(SchemaSymbols.ELT_ALL)) { |
| particle = traverseAll(l_elmChild, schemaDoc, grammar, CHILD_OF_GROUP, group); |
| } else if (childName.equals(SchemaSymbols.ELT_CHOICE)) { |
| particle = traverseChoice(l_elmChild, schemaDoc, grammar, CHILD_OF_GROUP, group); |
| } else if (childName.equals(SchemaSymbols.ELT_SEQUENCE)) { |
| particle = traverseSequence(l_elmChild, schemaDoc, grammar, CHILD_OF_GROUP, group); |
| } else { |
| reportSchemaError("s4s-elt-must-match.1", |
| new Object[]{"group (global)", "(annotation?, (all | choice | sequence))", DOMUtil.getLocalName(l_elmChild)}, |
| l_elmChild); |
| } |
| |
| if (l_elmChild != null && |
| DOMUtil.getNextSiblingElement(l_elmChild) != null) { |
| reportSchemaError("s4s-elt-must-match.1", |
| new Object[]{"group (global)", "(annotation?, (all | choice | sequence))", |
| DOMUtil.getLocalName(DOMUtil.getNextSiblingElement(l_elmChild))}, |
| DOMUtil.getNextSiblingElement(l_elmChild)); |
| } |
| } |
| |
| // add global group declaration to the grammar |
| if (strNameAttr != null) { |
| group.fName = strNameAttr; |
| group.fTargetNamespace = schemaDoc.fTargetNamespace; |
| if (particle == null) { |
| particle = XSConstraints.getEmptySequence(); |
| } |
| group.fModelGroup = (XSModelGroupImpl)particle.fValue; |
| XSObjectList annotations; |
| if (annotation != null) { |
| annotations = new XSObjectListImpl(); |
| ((XSObjectListImpl) annotations).addXSObject(annotation); |
| } else { |
| annotations = XSObjectListImpl.EMPTY_LIST; |
| } |
| group.fAnnotations = annotations; |
| // Add group declaration to grammar |
| if (grammar.getGlobalGroupDecl(group.fName) == null) { |
| grammar.addGlobalGroupDecl(group); |
| } |
| |
| // also add it to extended map |
| final String loc = fSchemaHandler.schemaDocument2SystemId(schemaDoc); |
| final XSGroupDecl group2 = grammar.getGlobalGroupDecl(group.fName, loc); |
| if (group2 == null) { |
| grammar.addGlobalGroupDecl(group, loc); |
| } |
| |
| // handle duplicates |
| if (fSchemaHandler.fTolerateDuplicates) { |
| if (group2 != null) { |
| group = group2; |
| } |
| fSchemaHandler.addGlobalGroupDecl(group); |
| } |
| } |
| else { |
| // name attribute is not there, don't return this group. |
| group = null; |
| } |
| |
| 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(XMLSymbols.EMPTY_STRING, strNameAttr, strNameAttr, schemaDoc.fTargetNamespace), |
| schemaDoc, elmNode); |
| if (redefinedGrp != null) { |
| // store in grammar |
| grammar.addRedefinedGroupDecl(group, (XSGroupDecl)redefinedGrp, |
| fSchemaHandler.element2Locator(elmNode)); |
| } |
| } |
| |
| fAttrChecker.returnAttrArray(attrValues, schemaDoc); |
| |
| return group; |
| |
| } // traverseGlobal |
| } |