@Override
public void evaluate(Tag tag, TagLibTag libTag) throws EvaluatorException {
String ns = libTag.getTagLib().getNameSpaceAndSeparator();
String loopName = ns + "loop";
String whileName = ns + "while";
// label
String label = null;
Attribute attrLabel = tag.getAttribute("label");
if (attrLabel != null) {
TagBreak tb = (TagBreak) tag;
label = variableToString(tag, attrLabel, null);
if (label != null) {
tb.setLabel(label = label.trim());
tag.removeAttribute("label");
} else if (ASMUtil.isLiteralAttribute(tag, attrLabel, ASMUtil.TYPE_STRING, false, true)) {
LitString ls = (LitString) CastString.toExprString(tag.getAttribute("label").getValue());
label = ls.getString();
if (!StringUtil.isEmpty(label, true)) {
tb.setLabel(label = label.trim());
tag.removeAttribute("label");
} else label = null;
}
}
// no base tag found
if (!ASMUtil.hasAncestorBreakFCStatement(tag, label)) {
if (tag.isScriptBase()) {
if (StringUtil.isEmpty(label))
throw new EvaluatorException(
"Wrong Context, " + libTag.getName() + " must be inside a looping statement or tag");
throw new EvaluatorException(
"Wrong Context, "
+ libTag.getName()
+ " must be inside a looping statement or tag with the label ["
+ label
+ "]");
}
if (StringUtil.isEmpty(label))
throw new EvaluatorException(
"Wrong Context, tag "
+ libTag.getFullName()
+ " must be inside a "
+ loopName
+ " or "
+ whileName
+ " tag");
throw new EvaluatorException(
"Wrong Context, tag "
+ libTag.getFullName()
+ " must be inside a "
+ loopName
+ " or "
+ whileName
+ " tag with the label ["
+ label
+ "]");
}
}
