package net.sf.saxon.style;
import net.sf.saxon.expr.Expression;
import net.sf.saxon.instruct.Executable;
import net.sf.saxon.instruct.NextMatch;
import net.sf.saxon.om.AttributeCollection;
import net.sf.saxon.om.Axis;
import net.sf.saxon.om.AxisIterator;
import net.sf.saxon.om.NodeInfo;
import net.sf.saxon.trans.XPathException;
import net.sf.saxon.type.Type;
import net.sf.saxon.value.Whitespace;
/**
* An xsl:next-match element in the stylesheet
*/
public class XSLNextMatch extends StyleElement {
/**
* Determine whether this node is an instruction.
* @return true - it is an instruction
*/
public boolean isInstruction() {
return true;
}
/**
* Determine whether this type of element is allowed to contain an xsl:fallback
* instruction
*/
public boolean mayContainFallback() {
return true;
}
public void prepareAttributes() throws XPathException {
AttributeCollection atts = getAttributeList();
for (int a=0; a<atts.getLength(); a++) {
int nc = atts.getNameCode(a);
checkUnknownAttribute(nc);
}
}
public void validate() throws XPathException {
AxisIterator kids = iterateAxis(Axis.CHILD);
while (true) {
NodeInfo child = (NodeInfo)kids.next();
if (child == null) {
break;
}
if (child instanceof XSLWithParam || child instanceof XSLFallback) {
// OK;
} else if (child.getNodeKind() == Type.TEXT) {
// with xml:space=preserve, white space nodes may still be there
if (!Whitespace.isWhite(child.getStringValueCS())) {
compileError("No character data is allowed within xsl:next-match", "XTSE0010");
}
} else {
compileError("Child element " + child.getDisplayName() +
" is not allowed within xsl:next-match", "XTSE0010");
}
}
}
public Expression compile(Executable exec) throws XPathException {
NextMatch inst = new NextMatch(backwardsCompatibleModeIsEnabled());
inst.setActualParameters(getWithParamInstructions(exec, false, inst),
getWithParamInstructions(exec, true, inst));
return inst;
}
}
//
// 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): none.
//