Illustrator Title Case Script

/*
 * Title Caps
 * Ported to Illustrator By Carlos Canto - 6/30/12
 * Ported to JavaScript By John Resig - http://ejohn.org/ - 21 May 2008
 * Original by John Gruber - http://daringfireball.net/ - 10 May 2008
 * License: http://www.opensource.org/licenses/mit-license.php
 */

// UPDATE 7/12/12, increased the exclusion list of prepositions, articles and conjuntions.
//                                 - added an option to run the script on a selection of text, along with a selection of single or multiple text frames.

#target Illustrator

function titleCase(str){
    //var small = "(a|an|and|as|at|but|by|en|for|if|in|of|on|or|the|to|v[.]?|via|vs[.]?)";
    var small = "(a|abaft|aboard|about|above|absent|across|afore|after|against|along| alonside|amid|amidst|among|amongst|an|and|apopos|around|as|aside|astri de|at|athwart|atop|barring|before|behind|below|beneath|beside|besides| between|betwixt|beyond|but|by|circa|concerning|despite|down|during|exc ept|excluding|failing|following|for|from|given|in|including|inside|int o|lest|like|mid|midst|minus|modula|near|next|nor|notwithstanding|of|of f|on|onto|oppostie|or|out|outside|over|pace|per|plus|pro|qua|regarding |round|sans|save|than|that|the|through|throughout|till|times|to|toward |towards|under|underneath|unlike|until|unto|up|upon|versus|via|vice|wi th|within|without|worth|v[.]?|via|vs[.]?)";
    var punct = "([!\"#$%&'()*+,./:;<=>?@[\\\\\\]^_`{|}~-]*)";

    var casedChanged = titleCaps (str);

    function titleCaps (title){
        var parts = [], split = /[:.;?!] |(?: |^)["Ò]/g, index = 0;

        while (true) {
            var m = split.exec(title);

            parts.push( title.substring(index, m ? m.index : title.length)
                .replace(/\b([A-Za-z][a-z.'Õ]*)\b/g, function(all){
                    return /[A-Za-z]\.[A-Za-z]/.test(all) ? all : upper(all);
                })
                .replace(RegExp("\\b" + small + "\\b", "ig"), lower)
                .replace(RegExp("^" + punct + small + "\\b", "ig"), function(all, punct, word){
                    return punct + upper(word);
                })
                .replace(RegExp("\\b" + small + punct + "$", "ig"), upper));

            index = split.lastIndex;

            if ( m ) parts.push( m[0] );
            else break;
        }

        return parts.join("").replace(/ V(s?)\. /ig, " v$1. ")
            .replace(/(['Õ])S\b/ig, "$1s")
            .replace(/\b(AT&T|Q&A)\b/ig, function(all){
                return all.toUpperCase();
            });
    };

    function lower(word){
        return word.toLowerCase();
    }

    function upper(word){
      return word.substr(0,1).toUpperCase() + word.substr(1);
    }

    return casedChanged;
};

var idoc = app.activeDocument;
var sel = idoc.selection;

if (sel.typename == "TextRange") {
    sel.changeCaseTo(CaseChangeType.TITLECASE);
    sel.contents = titleCase(sel.contents);
}

else if (sel.length>0) {
    for (i=0; i<sel.length; i++) {
        if(sel[i].typename == "TextFrame") {
            var itext = sel[i];
            itext.textRange.changeCaseTo(CaseChangeType.TITLECASE);
            itext.contents = titleCase(itext.contents);
        }
    }
}