package client.net.sf.saxon.ce.style;
import client.net.sf.saxon.ce.expr.Expression;
import client.net.sf.saxon.ce.expr.instruct.Executable;
import client.net.sf.saxon.ce.om.AttributeCollection;
import client.net.sf.saxon.ce.trans.XPathException;
import client.net.sf.saxon.ce.type.ItemType;
/**
* Handler for xsl:otherwise elements in stylesheet. <br>
*/
public class XSLOtherwise extends StyleElement {
/**
* Determine the type of item returned by this instruction (only relevant if
* it is an instruction).
* @return the item type returned
*/
protected ItemType getReturnedItemType() {
return getCommonChildItemType();
}
public void prepareAttributes() throws XPathException {
AttributeCollection atts = getAttributeList();
for (int a=0; a<atts.getLength(); a++) {
int nc = atts.getNameCode(a);
checkUnknownAttribute(nc);
}
}
/**
* Determine whether this type of element is allowed to contain a template-body
* @return true: yes, it may contain a template-body
*/
public boolean mayContainSequenceConstructor() {
return true;
}
public void validate(Declaration decl) throws XPathException {
if (!(getParent() instanceof XSLChoose)) {
compileError("xsl:otherwise must be immediately within xsl:choose", "XTSE0010");
}
}
/**
* Mark tail-recursive calls on stylesheet functions. For most instructions, this does nothing.
*/
public boolean markTailCalls() {
StyleElement last = getLastChildInstruction();
return last != null && last.markTailCalls();
}
public Expression compile(Executable exec, Declaration decl) throws XPathException {
throw new UnsupportedOperationException("XSLOtherwise#compile() should not be called");
}
}
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// This Source Code Form is “Incompatible With Secondary Licenses”, as defined by the Mozilla Public License, v. 2.0.