/*
* 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.XSAttributeGroupDecl;
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 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,v 1.2.6.1 2005/09/08 14:00:30 sunithareddy Exp $
*/
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);
}
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);
}
// 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);
}
}
attrGrp.fAnnotation = annotation;
// make an entry in global declarations.
grammar.addGlobalAttributeGroupDecl(attrGrp);
fAttrChecker.returnAttrArray(attrValues, schemaDoc);
return attrGrp;
} // traverseGlobal
} // XSDAttributeGroupTraverser