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

Example 1 with Tag

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

the class Transaction method evaluate.

@Override
public TagLibTag evaluate(TagLibTag tagLibTag, Tag tag) throws AttributeEvaluatorException {
    Attribute action = tag.getAttribute("action");
    if (action != null) {
        Tag parent = ASMUtil.getAncestorTag(tag, tag.getFullname());
        if (parent != null) {
            tagLibTag = tagLibTag.duplicate(false);
            tagLibTag.setBodyContent("empty");
        }
    }
    return tagLibTag;
}

Example 2 with Tag

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

the class Argument method evaluate.

@Override
public void evaluate(Tag tag, TagLibTag libTag) throws EvaluatorException {
    String ns = libTag.getTagLib().getNameSpaceAndSeparator();
    String functionName = ns + "function";
    ASMUtil.isLiteralAttribute(tag, "type", ASMUtil.TYPE_STRING, false, true);
    ASMUtil.isLiteralAttribute(tag, "name", ASMUtil.TYPE_STRING, false, true);
    // ASMUtil.isLiteralAttribute(tag,"hint",ASMUtil.TYPE_STRING,false,true);
    // ASMUtil.isLiteralAttribute(tag,"displayname",ASMUtil.TYPE_STRING,false,true);
    // check if default can be converted to a literal value that match the type declration.
    checkDefaultValue(tag);
    // check attribute passby
    Attribute attrPassBy = tag.getAttribute("passby");
    if (attrPassBy != null) {
        ExprString expr = tag.getFactory().toExprString(attrPassBy.getValue());
        if (!(expr instanceof LitString))
            throw new EvaluatorException("Attribute passby of the Tag Argument, must be a literal string");
        LitString lit = (LitString) expr;
        String passBy = lit.getString().toLowerCase().trim();
        if (!"value".equals(passBy) && !"ref".equals(passBy) && !"reference".equals(passBy))
            throw new EvaluatorException("Attribute passby of the Tag Argument has an invalid value [" + passBy + "], valid values are [reference,value]");
    }
    // check if tag is direct inside function
    if (!ASMUtil.isParentTag(tag, functionName)) {
        Tag parent = ASMUtil.getParentTag(tag);
        String addText = (parent != null) ? "but tag " + libTag.getFullName() + " is inside tag " + parent.getFullname() + "" : "but tag " + libTag.getFullName() + " has no parent";
        throw new EvaluatorException("Wrong Context, tag " + libTag.getFullName() + " must be direct inside a " + functionName + " tag, " + addText);
    }
// TODO check if there is a tag other than argument and text before
}

Example 3 with Tag

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

the class Interface method evaluate.

@Override
public void evaluate(Tag tag, TagLibTag libTag) throws EvaluatorException {
    super.evaluate(tag, libTag);
    Body body = tag.getBody();
    List<Statement> statments = body.getStatements();
    Statement stat;
    Iterator<Statement> it = statments.iterator();
    Tag t;
    while (it.hasNext()) {
        stat = it.next();
        if (stat instanceof PrintOut) {
        // body.remove(stat);
        } else if (stat instanceof Tag) {
            t = (Tag) stat;
            if (stat instanceof TagImport) {
            // ignore
            } else if (stat instanceof TagFunction) {
                Function.throwIfNotEmpty(t);
                Attribute attr = t.getAttribute("access");
                if (attr != null) {
                    ExprString expr = t.getFactory().toExprString(attr.getValue());
                    if (!(expr instanceof LitString))
                        throw new EvaluatorException("the attribute access of the Tag function inside an interface must contain a constant value");
                    String access = ((LitString) expr).getString().trim();
                    if (!"public".equalsIgnoreCase(access))
                        throw new EvaluatorException("the attribute access of the tag function inside an interface definition can only have the value [public] not [" + access + "]");
                } else
                    t.addAttribute(new Attribute(false, "access", stat.getFactory().createLitString("public"), "string"));
            } else
                throw new EvaluatorException("tag " + libTag.getFullName() + " can only contain function definitions.");
        }
    }
}

Example 4 with Tag

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

the class Output method addEncodeToChildren.

private void addEncodeToChildren(Iterator it, Expression encodeForValue, FunctionLibFunction encodeForBIF) {
    Statement stat;
    while (it.hasNext()) {
        stat = (Statement) it.next();
        if (stat instanceof PrintOut) {
            PrintOut printOut = ((PrintOut) stat);
            Expression e = removeCastString(printOut.getExpr());
            if (!(e instanceof Literal)) {
                if (e instanceof Variable) {
                    Member member = ((Variable) e).getFirstMember();
                    if (member instanceof BIF) {
                        BIF bif = (BIF) member;
                        String cn = bif.getClassDefinition().getClassName();
                        if (cn.startsWith(ENCODE_FOR) || cn.equals(ESAPIEncode.class.getName())) {
                            continue;
                        }
                    }
                }
                printOut.setEncodeFor(encodeForValue);
            }
        } else if (stat instanceof Tag) {
            Body b = ((Tag) stat).getBody();
            if (b != null)
                addEncodeToChildren(b.getStatements().iterator(), encodeForValue, encodeForBIF);
        } else if (stat instanceof Body) {
            addEncodeToChildren(((Body) stat).getStatements().iterator(), encodeForValue, encodeForBIF);
        }
    }
}

Example 5 with Tag

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

the class ASMUtil method getAncestorTag.

/**
 * Gibt ein uebergeordnetes Tag mit dem uebergebenen Full-Name (Namespace und Name) zurueck,
 * falls ein solches existiert, andernfalls wird null zurueckgegeben.
 * @param el Startelement, von wo aus gesucht werden soll.
 * @param fullName Name des gesuchten Tags.
 * @return uebergeornetes Element oder null.
 */
public static Tag getAncestorTag(Statement stat, String fullName) {
    Statement parent = stat;
    Tag tag;
    while (true) {
        parent = parent.getParent();
        if (parent == null)
            return null;
        if (parent instanceof Tag) {
            tag = (Tag) parent;
            if (tag.getFullname().equalsIgnoreCase(fullName))
                return tag;
        }
    }
}