/**
* @see
* railo.transformer.cfml.attributes.AttributeEvaluator#evaluate(railo.transformer.library.tag.TagLibTag,
* org.w3c.dom.Element)
*/
public TagLibTag evaluate(TagLibTag tagLibTag, Tag tag) throws AttributeEvaluatorException {
tagLibTag.setParseBody(false);
Attribute attrOutput = tag.getAttribute("output");
if (attrOutput == null) return tagLibTag;
Expression expr = CastBoolean.toExprBoolean(attrOutput.getValue());
if (!(expr instanceof LitBoolean))
throw new AttributeEvaluatorException(
"Attribute output of the Tag Function, must be a literal boolean value (true or false)");
boolean output = ((LitBoolean) expr).getBooleanValue();
if (output) tagLibTag.setParseBody(true);
return tagLibTag;
}
/**
* @see
* railo.transformer.cfml.evaluator.EvaluatorSupport#evaluate(railo.transformer.bytecode.statement.tag.Tag,
* railo.transformer.library.tag.TagLibTag, railo.transformer.library.function.FunctionLib[])
*/
public void evaluate(Tag tag, TagLibTag tagLibTag, FunctionLib[] flibs)
throws EvaluatorException {
String id = "sprite_" + IDGenerator.intId();
try {
Page page = ASMUtil.getAncestorPage(tag);
String key = Md5.getDigestAsString(Thread.currentThread().getId() + ":" + page.getSource());
Expression src = tag.getAttribute("src").getValue();
// get data from previous sprites
Previous previous = sprites.get(key);
if (previous != null) {
previous.tag.removeAttribute("_ids");
previous.tag.removeAttribute("_srcs");
previous.tag = tag;
} else {
sprites.put(key, previous = new Previous(tag));
}
previous.ids.add(id);
if (previous.src == null) previous.src = src;
else {
previous.src = OpString.toExprString(previous.src, DELIMITER);
previous.src = OpString.toExprString(previous.src, src);
}
tag.addAttribute(new Attribute(false, "_id", LitString.toExprString(id), "string"));
tag.addAttribute(
new Attribute(
false,
"_ids",
LitString.toExprString(
railo.runtime.type.util.ListUtil.listToList(previous.ids, ",")),
"string"));
tag.addAttribute(new Attribute(false, "_srcs", previous.src, "string"));
} catch (Throwable e) { // TODO handle Excpetion much more precise
throw new PageRuntimeException(Caster.toPageException(e));
}
}
@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
+ "]");
}
}