/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 mf.org.apache.xerces.impl.xs.traversers;
import mf.org.apache.xerces.impl.xs.SchemaGrammar;
import mf.org.apache.xerces.impl.xs.SchemaSymbols;
import mf.org.apache.xerces.impl.xs.XSAnnotationImpl;
import mf.org.apache.xerces.impl.xs.XSAttributeGroupDecl;
import mf.org.apache.xerces.impl.xs.util.XSObjectListImpl;
import mf.org.apache.xerces.util.DOMUtil;
import mf.org.apache.xerces.util.XMLSymbols;
import mf.org.apache.xerces.xni.QName;
import mf.org.apache.xerces.xs.XSObjectList;
import mf.org.w3c.dom.Element;
/**
* The attribute group definition schema component traverser.
*
* <attributeGroup
* id = ID
* name = NCName
* ref = QName
* {any attributes with non-schema namespace . . .}>
* Content: (annotation?, ((attribute | attributeGroup)*, anyAttribute?))
* </attributeGroup>
*
* @xerces.internal
*
* @author Rahul Srivastava, Sun Microsystems Inc.
* @author Sandy Gao, IBM
*
* @version $Id: XSDAttributeGroupTraverser.java 819653 2009-09-28 17:29:56Z knoaman $
*/
class XSDAttributeGroupTraverser extends XSDAbstractTraverser {
XSDAttributeGroupTraverser (XSDHandler handler,
XSAttributeChecker gAttrCheck) {
super(handler, gAttrCheck);
}
XSAttributeGroupDecl traverseLocal(Element elmNode,
XSDocumentInfo schemaDoc,
SchemaGrammar grammar) {
// General Attribute Checking for elmNode declared locally
Object[] attrValues = fAttrChecker.checkAttributes(elmNode, false, schemaDoc);
// get attribute
QName refAttr = (QName) attrValues[XSAttributeChecker.ATTIDX_REF];
XSAttributeGroupDecl attrGrp = null;
// ref should be here.
if (refAttr == null) {
reportSchemaError("s4s-att-must-appear", new Object[]{"attributeGroup (local)", "ref"}, elmNode);
fAttrChecker.returnAttrArray(attrValues, schemaDoc);
return null;
}
// get global decl
attrGrp = (XSAttributeGroupDecl)fSchemaHandler.getGlobalDecl(schemaDoc, XSDHandler.ATTRIBUTEGROUP_TYPE, refAttr, elmNode);
// no children are allowed here except annotation, which is optional.
Element child = DOMUtil.getFirstChildElement(elmNode);
if (child != null) {
String childName = DOMUtil.getLocalName(child);
if (childName.equals(SchemaSymbols.ELT_ANNOTATION)) {
traverseAnnotationDecl(child, attrValues, false, schemaDoc);
child = DOMUtil.getNextSiblingElement(child);
} else {
String text = DOMUtil.getSyntheticAnnotation(child);
if (text != null) {
traverseSyntheticAnnotation(child, text, attrValues, false, schemaDoc);
}
}
if (child != null) {
Object[] args = new Object [] {refAttr.rawname, "(annotation?)", DOMUtil.getLocalName(child)};
reportSchemaError("s4s-elt-must-match.1", args, child);
}
} // if
fAttrChecker.returnAttrArray(attrValues, schemaDoc);
return attrGrp;
} // traverseLocal
XSAttributeGroupDecl traverseGlobal(Element elmNode,
XSDocumentInfo schemaDoc,
SchemaGrammar grammar) {
XSAttributeGroupDecl attrGrp = new XSAttributeGroupDecl();
// General Attribute Checking for elmNode declared globally
Object[] attrValues = fAttrChecker.checkAttributes(elmNode, true, schemaDoc);
String nameAttr = (String) attrValues[XSAttributeChecker.ATTIDX_NAME];
// global declaration must have a name
if (nameAttr == null) {
reportSchemaError("s4s-att-must-appear", new Object[]{"attributeGroup (global)", "name"}, elmNode);
nameAttr = NO_NAME;
}
attrGrp.fName = nameAttr;
attrGrp.fTargetNamespace = schemaDoc.fTargetNamespace;
// check the content
Element child = DOMUtil.getFirstChildElement(elmNode);
XSAnnotationImpl annotation = null;
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);
}
}
// Traverse the attribute and attribute group elements and fill in the
// attributeGroup structure
Element nextNode = traverseAttrsAndAttrGrps(child, attrGrp, schemaDoc, grammar, null);
if (nextNode!=null) {
// An invalid element was found...
Object[] args = new Object [] {nameAttr, "(annotation?, ((attribute | attributeGroup)*, anyAttribute?))", DOMUtil.getLocalName(nextNode)};
reportSchemaError("s4s-elt-must-match.1", args, nextNode);
}
if (nameAttr.equals(NO_NAME)) {
// if a global group doesn't have a name, then don't add it.
fAttrChecker.returnAttrArray(attrValues, schemaDoc);
return null;
}
// Remove prohibited attributes from the set
attrGrp.removeProhibitedAttrs();
// check for restricted redefine:
XSAttributeGroupDecl redefinedAttrGrp = (XSAttributeGroupDecl)fSchemaHandler.getGrpOrAttrGrpRedefinedByRestriction(
XSDHandler.ATTRIBUTEGROUP_TYPE,
new QName(XMLSymbols.EMPTY_STRING, nameAttr, nameAttr, schemaDoc.fTargetNamespace),
schemaDoc, elmNode);
if(redefinedAttrGrp != null) {
Object[] errArgs = attrGrp.validRestrictionOf(nameAttr, redefinedAttrGrp);
if (errArgs != null) {
reportSchemaError((String)errArgs[errArgs.length-1], errArgs, child);
reportSchemaError("src-redefine.7.2.2", new Object [] {nameAttr, errArgs[errArgs.length-1]}, child);
}
}
XSObjectList annotations;
if (annotation != null) {
annotations = new XSObjectListImpl();
((XSObjectListImpl)annotations).addXSObject (annotation);
} else {
annotations = XSObjectListImpl.EMPTY_LIST;
}
attrGrp.fAnnotations = annotations;
// make an entry in global declarations.
if (grammar.getGlobalAttributeGroupDecl(attrGrp.fName) == null) {
grammar.addGlobalAttributeGroupDecl(attrGrp);
}
// also add it to extended map
final String loc = fSchemaHandler.schemaDocument2SystemId(schemaDoc);
final XSAttributeGroupDecl attrGrp2 = grammar.getGlobalAttributeGroupDecl(attrGrp.fName, loc);
if (attrGrp2 == null) {
grammar.addGlobalAttributeGroupDecl(attrGrp, loc);
}
// handle duplicates
if (fSchemaHandler.fTolerateDuplicates) {
if (attrGrp2 != null) {
attrGrp = attrGrp2;
}
fSchemaHandler.addGlobalAttributeGroupDecl(attrGrp);
}
fAttrChecker.returnAttrArray(attrValues, schemaDoc);
return attrGrp;
} // traverseGlobal
} // XSDAttributeGroupTraverser