package net.sf.saxon.style;
import net.sf.saxon.expr.Expression;
import net.sf.saxon.expr.Literal;
import net.sf.saxon.instruct.Executable;
import net.sf.saxon.instruct.ValueOf;
import net.sf.saxon.om.*;
import net.sf.saxon.pattern.NodeKindTest;
import net.sf.saxon.trans.XPathException;
import net.sf.saxon.type.ItemType;
import net.sf.saxon.value.StringValue;
import net.sf.saxon.value.Whitespace;
/**
* Handler for xsl:text elements in stylesheet. <BR>
*/
public class XSLText extends XSLStringConstructor {
private boolean disable = false;
private StringValue value;
/**
* 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 NodeKindTest.TEXT;
}
public void prepareAttributes() throws XPathException {
String disableAtt = null;
AttributeCollection atts = getAttributeList();
for (int a=0; a<atts.getLength(); a++) {
int nc = atts.getNameCode(a);
String f = getNamePool().getClarkName(nc);
if (f.equals(StandardNames.DISABLE_OUTPUT_ESCAPING)) {
disableAtt = Whitespace.trim(atts.getValue(a));
} else {
checkUnknownAttribute(nc);
}
}
if (disableAtt != null) {
if (disableAtt.equals("yes")) {
disable = true;
} else if (disableAtt.equals("no")) {
disable = false;
} else {
compileError("disable-output-escaping attribute must be either 'yes' or 'no'", "XTSE0020");
}
}
}
public void validate() throws XPathException {
// 2.0 spec has reverted to the 1.0 rule that xsl:text may not have child elements
AxisIterator kids = iterateAxis(Axis.CHILD);
value = StringValue.EMPTY_STRING;
while(true) {
Item child = kids.next();
if (child == null) {
break;
} else if (child instanceof StyleElement) {
((StyleElement)child).compileError("xsl:text must not contain child elements", "XTSE0010");
return;
} else {
value = StringValue.makeStringValue(child.getStringValueCS());
//continue;
}
}
super.validate();
}
/**
* Get the error code to be returned when the element has a select attribute but is not empty.
* @return the error code defined for this condition, for this particular instruction
*/
protected String getErrorCodeForSelectPlusContent() {
return null; // not applicable
}
public Expression compile(Executable exec) throws XPathException {
return new ValueOf(Literal.makeLiteral(value), disable, false);
}
}
//
// 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.
//