use of lucee.transformer.cfml.evaluator.EvaluatorPool in project Lucee by lucee.
the class Loop method evaluate.
@Override
public void evaluate(Tag tag, TagLibTag tagLibTag, FunctionLib[] flibs) throws EvaluatorException {
TagLoop loop = (TagLoop) tag;
// attribute maxrows and endrow not allowd at the same time
if (tag.containsAttribute("maxrows") && tag.containsAttribute("endrow"))
throw new EvaluatorException("Wrong Context, you cannot use attribute maxrows and endrow at the same time.");
// file loop
if (tag.containsAttribute("file")) {
if (!tag.containsAttribute("index") && !tag.containsAttribute("item"))
throw new EvaluatorException("Wrong Context, when you use attribute file you must also use attribute index and/or item");
loop.setType(TagLoop.TYPE_FILE);
return;
}
// list loop
if (tag.containsAttribute("list")) {
if (!tag.containsAttribute("index") && !tag.containsAttribute("item"))
throw new EvaluatorException("Wrong Context, when you use attribute list,you must define attribute index and/or item");
loop.setType(TagLoop.TYPE_LIST);
return;
}
// array loop
if (tag.containsAttribute("array")) {
if (!tag.containsAttribute("index") && !tag.containsAttribute("item"))
throw new EvaluatorException("Wrong Context, when you use attribute array, you must define attribute index and/or item");
loop.setType(TagLoop.TYPE_ARRAY);
return;
}
// array loop
if (tag.containsAttribute("times")) {
if (tag.getAttributes().size() > 1)
throw new EvaluatorException("Wrong Context, when you use attribute times, no other attributes are allowed");
loop.setType(TagLoop.TYPE_TIMES);
return;
}
// struct loop
if (tag.containsAttribute("struct")) {
if (!tag.containsAttribute("index") && !tag.containsAttribute("item") && !tag.containsAttribute("key") && !tag.containsAttribute("value"))
throw new EvaluatorException("Wrong Context, when you use attribute struct, you must define attribute index (alias key) and/or item (alias value)");
loop.setType(TagLoop.TYPE_STRUCT);
return;
}
// collection loop
if (tag.containsAttribute("collection")) {
if (!tag.containsAttribute("index") && !tag.containsAttribute("item") && !tag.containsAttribute("key") && !tag.containsAttribute("value"))
throw new EvaluatorException("Wrong Context, when you use attribute struct, you must define attribute index (alias key) and/or item (alias value)");
loop.setType(TagLoop.TYPE_COLLECTION);
return;
}
/*if(tag.containsAttribute("index")) {
if(!tag.containsAttribute("from") || !tag.containsAttribute("to"))
throw new EvaluatorException("Wrong Context, when you use attribute index you must also use attribute from and to or list or file");
loop.setType(TagLoop.TYPE_INDEX);
return;
}*/
if (tag.containsAttribute("from") || tag.containsAttribute("to")) {
if (!tag.containsAttribute("from"))
throw new EvaluatorException("Wrong Context, when you use attribute to, you must also use attribute from.");
if (!tag.containsAttribute("to"))
throw new EvaluatorException("Wrong Context, when you use attribute from, you must also use attribute to.");
if (!tag.containsAttribute("index") && !tag.containsAttribute("item"))
throw new EvaluatorException("Wrong Context, when you use attribute from and to, you must define attribute index or item.");
if (tag.containsAttribute("index") && tag.containsAttribute("item"))
throw new EvaluatorException("For this type of loop, you cannot use attribute index and item at the same time.");
loop.setType(TagLoop.TYPE_FROM_TO);
return;
}
// condition loop
if (tag.containsAttribute("condition")) {
if (tag.isScriptBase())
throw new EvaluatorException("tag loop-condition is not supported within cfscript, use instead a while statement.");
TagLib tagLib = tagLibTag.getTagLib();
ExprTransformer transformer;
String text = ASMUtil.getAttributeString(tag, "condition");
try {
transformer = tagLib.getExprTransfomer();
Page page = ASMUtil.getAncestorPage(tag);
ConfigImpl config = (ConfigImpl) page.getConfig();
Expression expr = transformer.transform(BytecodeFactory.getInstance(config), page, new EvaluatorPool(), null, flibs, config.getCoreTagLib(page.getSourceCode().getDialect()).getScriptTags(), new SourceCode(text, false, page.getSourceCode().getDialect()), new TransfomerSettings(page.getSourceCode().getDialect() == CFMLEngine.DIALECT_CFML && config.getDotNotationUpperCase(), page.getSourceCode().getDialect() == CFMLEngine.DIALECT_CFML && config.getHandleUnQuotedAttrValueAsString(), page.ignoreScopes));
tag.addAttribute(new Attribute(false, "condition", page.getFactory().toExprBoolean(expr), "boolean"));
} catch (Exception e) {
throw new EvaluatorException(e.getMessage());
}
loop.setType(TagLoop.TYPE_CONDITION);
return;
}
// query loop
if (tag.containsAttribute("query")) {
loop.setType(TagLoop.TYPE_QUERY);
return;
}
Info info = getParentInfo(loop);
// query group
if (tag.containsAttribute("group") && info.hasParentWithQuery) {
loop.setType(TagLoop.TYPE_GROUP);
return;
}
if (info.hasParentWithQuery) {
if (info.hasParentWithGroup)
loop.setType(TagLoop.TYPE_INNER_GROUP);
else
loop.setType(TagLoop.TYPE_INNER_QUERY);
return;
}
/*
if(hasQuery)
output.setType(TagOutput.TYPE_QUERY);
else if(tag.containsAttribute("group") && hasParentWithQuery)
output.setType(TagOutput.TYPE_GROUP);
else if(hasParentWithQuery) {
if(hasParentWithGroup) output.setType(TagOutput.TYPE_INNER_GROUP);
else output.setType(TagOutput.TYPE_INNER_QUERY);
}
else
output.setType(TagOutput.TYPE_NORMAL);
*/
loop.setType(TagLoop.TYPE_NOTHING);
// throw new EvaluatorException("Wrong Context, invalid attributes in tag cfloop");
}
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