XRegExp.matchChain = function()

in ext/syntaxhighlighter/scripts/XRegExp.js [227:240]

• 14 lines of code
• 7 McCabe index (conditional complexity)

    XRegExp.matchChain = function (str, chain) {
        return function recurseChain (values, level) {
            var item = chain[level].regex ? chain[level] : {regex: chain[level]},
                regex = clone(item.regex, "g"),
                matches = [], i;
            for (i = 0; i < values.length; i++) {
                XRegExp.iterate(values[i], regex, function (match) {
                    matches.push(item.backref ? (match[item.backref] || "") : match[0]);
                });
            }
            return ((level === chain.length - 1) || !matches.length) ?
                matches : recurseChain(matches, level + 1);
        }([str], 0);
    };