package net.sf.saxon.style;
import net.sf.saxon.expr.Expression;
import net.sf.saxon.instruct.Executable;
import net.sf.saxon.om.AttributeCollection;
import net.sf.saxon.om.NamePool;
import net.sf.saxon.om.NamespaceException;
import net.sf.saxon.om.StandardNames;
import net.sf.saxon.trans.XPathException;
import net.sf.saxon.value.Whitespace;
/**
* An xsl:namespace-alias element in the stylesheet. <br>
*/
public class XSLNamespaceAlias extends StyleElement {
private short stylesheetURICode;
private int resultNamespaceCode;
public void prepareAttributes() throws XPathException {
String stylesheetPrefix=null;
String resultPrefix=null;
AttributeCollection atts = getAttributeList();
for (int a=0; a<atts.getLength(); a++) {
int nc = atts.getNameCode(a);
String f = getNamePool().getClarkName(nc);
if (f==StandardNames.STYLESHEET_PREFIX) {
stylesheetPrefix = Whitespace.trim(atts.getValue(a));
} else if (f==StandardNames.RESULT_PREFIX) {
resultPrefix = Whitespace.trim(atts.getValue(a));
} else {
checkUnknownAttribute(nc);
}
}
if (stylesheetPrefix==null) {
reportAbsence("stylesheet-prefix");
return;
}
if (stylesheetPrefix.equals("#default")) {
stylesheetPrefix="";
}
if (resultPrefix==null) {
reportAbsence("result-prefix");
return;
}
if (resultPrefix.equals("#default")) {
resultPrefix="";
}
try {
String ssURI = getURIForPrefix(stylesheetPrefix, true);
if (ssURI == null) {
compileError("stylesheet-prefix " + stylesheetPrefix + " has not been declared", "XTSE0812");
// recovery action
stylesheetURICode = 0;
resultNamespaceCode = 0;
return;
} else if (ssURI.equals("")) {
//compileError("#default cannot be used: there is no default namespace", "XTSE0815");
// recovery action
stylesheetURICode = 0;
//resultNamespaceCode = 0;
//return;
} else {
stylesheetURICode = getURICodeForPrefix(stylesheetPrefix);
}
NamePool pool = getNamePool();
String resultURI = getURIForPrefix(resultPrefix, true);
if (resultURI == null) {
compileError("result-prefix " + resultPrefix + " has not been declared", "XTSE0812");
// recovery action
stylesheetURICode = 0;
resultNamespaceCode = 0;
return;
} else if (resultURI.equals("")) {
//compileError("#default cannot be used: there is no default namespace", "XTSE0815");
// recovery action
//stylesheetURICode = 0;
resultNamespaceCode = 0;
//return;
} else {
resultNamespaceCode = pool.getNamespaceCode(resultPrefix, resultURI);
}
} catch (NamespaceException err) {
compileError(err.getMessage());
}
}
public void validate() throws XPathException {
checkTopLevel(null);
}
public Expression compile(Executable exec) throws XPathException {
return null;
}
public short getStylesheetURICode() {
return stylesheetURICode;
}
public int getResultNamespaceCode() {
return resultNamespaceCode;
}
}
//
// 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.
//