Examples with Expression lucee.transformer.expression.Expression used on opensource projects

Example 6 with Expression

use of lucee.transformer.expression.Expression in project Lucee by lucee.

the class StructKeyExists method execute.

@Override
public void execute(BIF bif, FunctionLibFunction flf) throws TemplateException {
    Argument arg = bif.getArguments()[1];
    Expression value = arg.getValue();
    if (value instanceof LitString) {
        String str = ((LitString) value).getString();
        // update first arg
        arg.setValue(new CollectionKey(bif.getFactory(), str), Collection.Key.class.getName());
    }
}

Example 7 with Expression

use of lucee.transformer.expression.Expression in project Lucee by lucee.

the class Argument method checkDefaultValue.

public static void checkDefaultValue(Tag tag) {
    Attribute _type = tag.getAttribute("type");
    if (_type != null) {
        ExprString typeValue = tag.getFactory().toExprString(_type.getValue());
        if (typeValue instanceof LitString) {
            String strType = ((LitString) typeValue).getString();
            Attribute _default = tag.getAttribute("default");
            if (_default != null) {
                Expression defaultValue = _default.getValue();
                if (defaultValue instanceof LitString) {
                    String strDefault = ((LitString) defaultValue).getString();
                    // check for boolean
                    if ("boolean".equalsIgnoreCase(strType)) {
                        if ("true".equalsIgnoreCase(strDefault) || "yes".equalsIgnoreCase(strDefault))
                            tag.addAttribute(new Attribute(_default.isDynamicType(), _default.getName(), tag.getFactory().TRUE(), _default.getType()));
                        if ("false".equalsIgnoreCase(strDefault) || "no".equalsIgnoreCase(strDefault))
                            tag.addAttribute(new Attribute(_default.isDynamicType(), _default.getName(), tag.getFactory().FALSE(), _default.getType()));
                    }
                    // check for numbers
                    if ("number".equalsIgnoreCase(strType) || "numeric".equalsIgnoreCase(strType)) {
                        Double dbl = Caster.toDouble(strDefault, null);
                        if (dbl != null) {
                            tag.addAttribute(new Attribute(_default.isDynamicType(), _default.getName(), tag.getFactory().createLitDouble(dbl.doubleValue()), _default.getType()));
                        }
                    }
                }
            }
        }
    }
}

Example 8 with Expression

use of lucee.transformer.expression.Expression in project Lucee by lucee.

the class Function method evaluate.

@Override
public void evaluate(Tag tag, TagLibTag libTag, FunctionLib[] flibs) throws EvaluatorException {
    // Body p=(Body) tag.getParent();
    // Statement pp = p.getParent();
    boolean isCI = true;
    try {
        isCI = ASMUtil.getAncestorPage(tag).isComponent() || ASMUtil.getAncestorPage(tag).isInterface();
    } catch (TransformerException e) {
    }
    Attribute attrName = tag.getAttribute("name");
    if (attrName != null) {
        Expression expr = attrName.getValue();
        PageSource ps = null;
        if (expr instanceof LitString && !isCI) {
            Page p = ASMUtil.getAncestorPage(tag, null);
            if (p != null) {
                SourceCode sc = p.getSourceCode();
                if (sc instanceof PageSourceCode) {
                    PageSourceCode psc = (PageSourceCode) sc;
                    ps = psc.getPageSource();
                }
            }
            checkFunctionName(((LitString) expr).getString(), flibs, ps);
        }
    }
    // attribute modifier
    boolean isStatic = false;
    {
        Attribute attrModifier = tag.getAttribute("modifier");
        if (attrModifier != null) {
            ExprString expr = tag.getFactory().toExprString(attrModifier.getValue());
            if (!(expr instanceof Literal))
                throw new EvaluatorException("Attribute modifier of the Tag Function, must be one of the following literal string values: [abstract,final,static]");
            String modifier = StringUtil.emptyIfNull(((Literal) expr).getString()).trim();
            if (!StringUtil.isEmpty(modifier) && !"abstract".equalsIgnoreCase(modifier) && !"final".equalsIgnoreCase(modifier) && !"static".equalsIgnoreCase(modifier))
                throw new EvaluatorException("Attribute modifier of the Tag Function, must be one of the following literal string values: [abstract,final,static]");
            isStatic = "static".equalsIgnoreCase(modifier);
            boolean abstr = "abstract".equalsIgnoreCase(modifier);
            if (abstr)
                throwIfNotEmpty(tag);
        }
    }
    // cachedWithin
    {
        Attribute attrCachedWithin = tag.getAttribute("cachedwithin");
        if (attrCachedWithin != null) {
            Expression val = attrCachedWithin.getValue();
            tag.addAttribute(new Attribute(attrCachedWithin.isDynamicType(), attrCachedWithin.getName(), ASMUtil.cachedWithinValue(val), attrCachedWithin.getType()));
        }
    }
    // Attribute localMode
    {
        Attribute attrLocalMode = tag.getAttribute("localmode");
        if (attrLocalMode != null) {
            Expression expr = attrLocalMode.getValue();
            String str = ASMUtil.toString(expr, null);
            if (!StringUtil.isEmpty(str) && AppListenerUtil.toLocalMode(str, -1) == -1)
                throw new EvaluatorException("Attribute localMode of the Tag Function, must be a literal value (modern, classic, true or false)");
        // boolean output = ((LitBoolean)expr).getBooleanValue();
        // if(!output) ASMUtil.removeLiterlChildren(tag, true);
        }
    }
    // Attribute Output
    {
        Attribute attrOutput = tag.getAttribute("output");
        if (attrOutput != null) {
            Expression expr = tag.getFactory().toExprBoolean(attrOutput.getValue());
            if (!(expr instanceof LitBoolean))
                throw new EvaluatorException("Attribute output of the Tag Function, must be a literal boolean value (true or false, yes or no)");
        }
    }
    // Buffer output
    {
        Attribute attrBufferOutput = tag.getAttribute("bufferoutput");
        if (attrBufferOutput != null) {
            Expression expr = tag.getFactory().toExprBoolean(attrBufferOutput.getValue());
            if (!(expr instanceof LitBoolean))
                throw new EvaluatorException("Attribute bufferOutput of the Tag Function, must be a literal boolean value (true or false, yes or no)");
        }
    }
    // check attribute values
    Map<String, Attribute> attrs = tag.getAttributes();
    Iterator<Attribute> it = attrs.values().iterator();
    while (it.hasNext()) {
        checkAttributeValue(tag, it.next());
    }
    // add to static scope
    if (isStatic) {
        // remove that tag from parent
        ASMUtil.remove(tag);
        Body body = (Body) tag.getParent();
        StaticBody sb = Static.getStaticBody(body);
        sb.addStatement(tag);
    }
}

Example 9 with Expression

use of lucee.transformer.expression.Expression 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 10 with Expression

use of lucee.transformer.expression.Expression in project Lucee by lucee.

the class Output method evaluate.

@Override
public void evaluate(Tag tag, TagLibTag libTag, FunctionLib[] flibs) throws EvaluatorException {
    TagOutput output = (TagOutput) tag;
    // check if inside a query tag
    TagOutput parent = output;
    // encodeFor
    Attribute encodeFor = tag.getAttribute("encodefor");
    if (encodeFor != null) {
        Expression encodeForValue = CastString.toExprString(encodeFor.getValue());
        if (encodeForValue instanceof Literal) {
            Literal l = (Literal) encodeForValue;
            short df = (short) -1;
            short encType = ESAPIEncode.toEncodeType(l.getString(), df);
            if (encType != df)
                encodeForValue = encodeForValue.getFactory().createLitInteger(encType);
        }
        addEncodeToChildren(tag.getBody().getStatements().iterator(), encodeForValue, getEncodeForFunction(flibs));
    }
    // query
    boolean hasParentWithGroup = false;
    boolean hasParentWithQuery = false;
    boolean hasQuery = tag.containsAttribute("query");
    while ((parent = getParentTagOutput(parent)) != null) {
        if (!hasParentWithQuery)
            hasParentWithQuery = parent.hasQuery();
        if (!hasParentWithGroup)
            hasParentWithGroup = parent.hasGroup();
        if (hasParentWithQuery && hasParentWithGroup)
            break;
    }
    if (hasQuery && hasParentWithQuery)
        throw new EvaluatorException("Nesting of tags cfoutput with attribute query is not allowed");
    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);
    // 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.");
}