XSLOtherwise.java

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.