package client.net.sf.saxon.ce.functions;
import client.net.sf.saxon.ce.expr.XPathContext;
import client.net.sf.saxon.ce.om.Item;
import client.net.sf.saxon.ce.trans.XPathException;
import client.net.sf.saxon.ce.value.AtomicValue;
import client.net.sf.saxon.ce.value.BooleanValue;
/**
* XPath 2.0 codepoint-equal() function.
* Compares two strings using the unicode codepoint collation. (The function was introduced
* specifically to allow URI comparison: URIs are promoted to strings when necessary.)
*/
public class CodepointEqual extends SystemFunction {
public CodepointEqual newInstance() {
return new CodepointEqual();
}
/**
* Evaluate the expression
*/
public Item evaluateItem(XPathContext context) throws XPathException {
AtomicValue op1 = (AtomicValue)argument[0].evaluateItem(context);
if (op1 == null) {
return null;
}
AtomicValue op2 = (AtomicValue)argument[1].evaluateItem(context);
if (op2 == null) {
return null;
}
return BooleanValue.get(op1.getStringValue().equals(op2.getStringValue()));
}
}
// 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.