net.sf.saxon.style.AbsentExtensionElement Maven / Gradle / Ivy
package net.sf.saxon.style;
import net.sf.saxon.expr.Expression;
import net.sf.saxon.instruct.Executable;
import net.sf.saxon.trans.XPathException;
/**
* This element is a surrogate for an extension element (or indeed an xsl element)
* for which no implementation is available.
*/
public class AbsentExtensionElement extends StyleElement {
public boolean isInstruction() {
return true;
}
/**
* Determine whether this type of element is allowed to contain a template-body
*/
public boolean mayContainSequenceConstructor() {
return true;
}
/**
* Process the attributes of this element and all its children
*/
public void processAllAttributes() throws XPathException {
if (isTopLevel() && forwardsCompatibleModeIsEnabled()) {
// do nothing
} else {
super.processAllAttributes();
}
}
public void prepareAttributes() throws XPathException {
}
/**
* Recursive walk through the stylesheet to validate all nodes
*/
public void validateSubtree() throws XPathException {
if (isTopLevel() && forwardsCompatibleModeIsEnabled()) {
// do nothing
} else {
super.validateSubtree();
}
}
public void validate() throws XPathException {
}
public Expression compile(Executable exec) throws XPathException {
if (isTopLevel()) {
return null;
}
// if there are fallback children, compile the code for the fallback elements
if (validationError==null) {
validationError = new XPathException("Unknown instruction");
}
return fallbackProcessing(exec, this);
}
}
//
// The contents of this file are subject to the Mozilla Public License Version 1.0 (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.mozilla.org/MPL/
//
// Software distributed under the License is distributed on an "AS IS" basis,
// WITHOUT WARRANTY OF ANY KIND, either express or implied.
// See the License for the specific language governing rights and limitations under the License.
//
// The Original Code is: all this file.
//
// The Initial Developer of the Original Code is Michael H. Kay.
//
// Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved.
//
// Contributor(s):
// Portions marked "e.g." are from Edwin Glaser ([email protected])
//