package railo.transformer.cfml.evaluator.impl;
import railo.transformer.bytecode.Statement;
import railo.transformer.bytecode.statement.TryCatchFinally;
import railo.transformer.bytecode.statement.tag.Tag;
import railo.transformer.cfml.evaluator.EvaluatorException;
import railo.transformer.cfml.evaluator.EvaluatorSupport;
import railo.transformer.library.tag.TagLib;
import railo.transformer.library.tag.TagLibTag;
/**
* Prueft den Kontext des Tag break.
* Das Tag <code>break</code> darf nur innerhalb des Tag <code>loop, while, foreach</code> liegen.
*/
public final class Retry extends EvaluatorSupport {
/**
* @see railo.transformer.cfml.evaluator.EvaluatorSupport#evaluate(org.w3c.dom.Element, railo.transformer.library.tag.TagLibTag)
*/
public void evaluate(Tag tag,TagLibTag libTag) throws EvaluatorException {
String ns=libTag.getTagLib().getNameSpaceAndSeparator();
String name=ns+"catch";
if(getAncestorCatch(libTag.getTagLib(),tag)==null)
throw new EvaluatorException("Wrong Context, tag "+libTag.getFullName()+" must be inside a "+name+" tag");
}
public static Statement getAncestorCatch(TagLib tagLib, Statement stat) {
String name=tagLib.getNameSpaceAndSeparator()+"catch";
Tag tag;
Statement parent=stat;
while(true) {
parent=parent.getParent();
if(parent==null)return null;
if(parent instanceof Tag) {
tag=(Tag) parent;
if(tag.getFullname().equalsIgnoreCase(name))
return tag;
}
else if(parent instanceof TryCatchFinally)
return parent;
}
}
}