Examples with TagLoop lucee.transformer.bytecode.statement.tag.TagLoop used on opensource projects

Example 1 with TagLoop

use of lucee.transformer.bytecode.statement.tag.TagLoop in project Lucee by lucee.

the class Loop method execute.

@Override
public TagLib execute(Config config, Tag tag, TagLibTag libTag, FunctionLib[] flibs, Data data) throws TemplateException {
    TagLoop loop = (TagLoop) tag;
    // label
    try {
        if (ASMUtil.isLiteralAttribute(tag, "label", ASMUtil.TYPE_STRING, false, true)) {
            LitString ls = (LitString) tag.getFactory().toExprString(tag.getAttribute("label").getValue());
            String l = ls.getString();
            if (!StringUtil.isEmpty(l, true)) {
                loop.setLabel(l.trim());
                tag.removeAttribute("label");
            }
        }
    } catch (EvaluatorException e) {
        throw new TemplateException(null, e);
    }
    return null;
}

Example 2 with TagLoop

use of lucee.transformer.bytecode.statement.tag.TagLoop 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");
}

Example 3 with TagLoop

use of lucee.transformer.bytecode.statement.tag.TagLoop in project Lucee by lucee.

the class Loop method getParentInfo.

private Info getParentInfo(TagLoop loop) {
    // check if inside a query tag
    TagLoop parent = loop;
    Info info = new Info();
    info.hasParentWithGroup = false;
    info.hasParentWithQuery = false;
    while ((parent = getParentTagLoop(parent)) != null) {
        if (!info.hasParentWithQuery)
            info.hasParentWithQuery = parent.hasQuery();
        if (!info.hasParentWithGroup)
            info.hasParentWithGroup = parent.hasGroup();
        if (info.hasParentWithQuery && info.hasParentWithGroup)
            break;
    }
    return info;
}