Examples with StringList lucee.commons.lang.StringList used on opensource projects

Example 11 with StringList

use of lucee.commons.lang.StringList in project Lucee by lucee.

the class VariableInterpreter method parse.

public static StringList parse(String var, boolean doLowerCase) {
    ParserString ps = new ParserString(var);
    String id = readIdentifier(ps, doLowerCase);
    if (id == null)
        return null;
    StringList list = new StringList(id);
    while (true) {
        if (ps.forwardIfCurrent('.')) {
            id = readIdentifier(ps, doLowerCase);
            if (id == null)
                return null;
            list.add(id);
        } else
            break;
    }
    if (ps.isValidIndex())
        return null;
    list.reset();
    return list;
}

Example 12 with StringList

use of lucee.commons.lang.StringList in project Lucee by lucee.

the class VariableInterpreter method getVariableELAsCollection.

public static Object getVariableELAsCollection(PageContext pc, String var, Object defaultValue) {
    StringList list = parse(pc, new ParserString(var), false);
    if (list == null)
        return defaultValue;
    int scope = scopeString2Int(pc.ignoreScopes(), list.next());
    Object coll = null;
    if (scope == Scope.SCOPE_UNDEFINED) {
        try {
            coll = pc.undefinedScope().getCollection(list.current());
        } catch (PageException e) {
            coll = null;
        }
        if (coll == null)
            return defaultValue;
    } else {
        try {
            coll = VariableInterpreter.scope(pc, scope, list.hasNext());
        // coll=pc.scope(scope);
        } catch (PageException e) {
            return defaultValue;
        }
    }
    while (list.hasNext()) {
        coll = pc.getVariableUtil().getCollection(pc, coll, list.next(), null);
        if (coll == null)
            return defaultValue;
    }
    return coll;
}

Example 13 with StringList

use of lucee.commons.lang.StringList in project Lucee by lucee.

the class VariableInterpreter method getVariableEL.

/**
 * get a variable from page context
 * @param pc Page Context
 * @param var variable string to get value to
 * @param defaultValue value returnded if variable was not found
 * @return the value or default value if not found
 */
public static Object getVariableEL(PageContext pc, String var, Object defaultValue) {
    StringList list = parse(pc, new ParserString(var), false);
    if (list == null)
        return defaultValue;
    int scope = scopeString2Int(pc.ignoreScopes(), list.next());
    Object coll = null;
    if (scope == Scope.SCOPE_UNDEFINED) {
        coll = pc.undefinedScope().get(KeyImpl.init(list.current()), NullSupportHelper.NULL());
        if (coll == NullSupportHelper.NULL())
            return defaultValue;
    } else {
        try {
            coll = VariableInterpreter.scope(pc, scope, list.hasNext());
        // coll=pc.scope(scope);
        } catch (PageException e) {
            return defaultValue;
        }
    }
    while (list.hasNext()) {
        coll = pc.getVariableUtil().get(pc, coll, KeyImpl.init(list.next()), NullSupportHelper.NULL());
        if (coll == NullSupportHelper.NULL())
            return defaultValue;
    }
    return coll;
}

Example 14 with StringList

use of lucee.commons.lang.StringList in project Lucee by lucee.

the class IsDefined method execute.

@Override
public void execute(BIF bif, FunctionLibFunction flf) throws TemplateException {
    Argument arg = bif.getArguments()[0];
    Expression value = arg.getValue();
    if (value instanceof LitString) {
        String str = ((LitString) value).getString();
        StringList sl = VariableInterpreter.parse(str, false);
        if (sl != null) {
            // scope
            str = sl.next();
            int scope = VariableInterpreter.scopeString2Int(bif.ts.ignoreScopes, str);
            if (scope == Scope.SCOPE_UNDEFINED)
                sl.reset();
            // keys
            String[] arr = sl.toArray();
            ArrayUtil.trim(arr);
            // update first arg
            arg.setValue(bif.getFactory().createLitDouble(scope), "number");
            if (arr.length == 1) {
                // LitString.toExprString(str);
                Expression expr = new CollectionKey(bif.getFactory(), arr[0]);
                arg = new Argument(expr, Collection.Key.class.getName());
                bif.addArgument(arg);
            } else {
                CollectionKeyArray expr = new CollectionKeyArray(bif.getFactory(), arr);
                // LiteralStringArray expr = new LiteralStringArray(arr);
                arg = new Argument(expr, Collection.Key[].class.getName());
                bif.addArgument(arg);
            }
        }
    }
// print.out("bif:"+arg.getValue().getClass().getName());
}

Example 15 with StringList

use of lucee.commons.lang.StringList in project Lucee by lucee.

the class VariableInterpreter method isDefined.

/**
 * check if a variable is defined in Page Context
 * @param pc PageContext to check
 * @param var variable String
 * @return exists or not
 */
public static boolean isDefined(PageContext pc, String var) {
    StringList list = parse(pc, new ParserString(var), false);
    if (list == null)
        return false;
    try {
        int scope = scopeString2Int(pc.ignoreScopes(), list.next());
        Object coll = NULL;
        if (scope == Scope.SCOPE_UNDEFINED) {
            coll = pc.undefinedScope().get(list.current(), null);
            if (coll == null)
                return false;
        } else {
            coll = VariableInterpreter.scope(pc, scope, list.hasNext());
        // coll=pc.scope(scope);
        }
        while (list.hasNext()) {
            coll = pc.getVariableUtil().getCollection(pc, coll, list.next(), null);
            if (coll == null)
                return false;
        }
    } catch (PageException e) {
        return false;
    }
    return true;
}