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genetify.js
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genetify.js
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var genetifyTime = {
'begin': {},
'end': {},
'time': {}
};
genetifyTime.begin.load = new Date().getTime();
//TODO: is this too intrusive?
if (!window.console ){
window.console = {
warn : function(){},
error : function(){},
info : function(){},
trace : function(){},
log : function(){},
assert : function(){}
};
}
var genetify = {
config: {
REQUEST_RESULTS: true,
USE_RESULTS_CACHE: true,
REMOTE_BASE_URL: window.location.protocol + '//app.genetify.com',
USE_URCHIN: false,
USE_COOKIE: true,
NO_VARYING: false,
LOAD_CONTROLS: false,
SHOW_RESULTS: false,
NAMESPACE: window.location.pathname
//TODO: NO_SCANNING
//TODO: DEBUG
},
genome: {},
genomeOverride: {},
results: {},
re: {},
referrer: {},
pageview_xid: 0,
_cssRulesCache: [],
_cssSheetCount: 0,
_systemObjects: [],
_systemNames: {},
_scanCounter: 0,
init: function(){
if (window.onerror){
//TODO: this is not passing in error message as string!
genetify._addListener(window, 'onerror', genetify.record.error);
}
else {
window.onerror = genetify.record.error;
}
//TODO: is onmousedown really the best solution?
var warnOnClick = function(e){
var _event = e || window.event;
var target = _event.target || _event.srcElement;
var onclickBody = target.getAttribute('onclick');
if (target.href && onclickBody && onclickBody.indexOf('genetify.record.goal') != -1){
var message = 'Don\'t record clicking a link with the "onclick" event. Use "onmousedown" instead.';
genetify.utils.assert(false, message);
}
};
genetify._addListener(window, 'onclick', warnOnClick);
//TODO: this causes an error in IE
// covers case sensitivity bug in Safari
// genetify.utils.assert(window.document.doctype, 'Document does not have a DOCTYPE');
if (window.location.protocol.indexOf('file:') != -1){
genetify.config.REMOTE_BASE_URL = genetify.config.REMOTE_BASE_URL.replace('file:', 'http:');
}
genetify._checkQueryString(); //because of links from GA
genetify.cookie.init();
var URLData = window.location.hash.slice(1);
genetify.utils.update(genetify.genomeOverride, genetify.utils.fragmentToGenome(URLData));
if (!genetify.config.NO_VARYING){
if (genetify.config.REQUEST_RESULTS){
genetify.requestResults('genetify.handleResults');
}
// TODO: make this optional as speed optimization
genetify._addListener(window, 'onload', function(){
genetify._checkCSS(['.v', '.genetify_enabled', '.genetify_disabled']);
});
//TODO: parse only CSS after init()
//TODO: return objects instead of setting
genetify._registerSystemObjects();
genetify._createRegexes();
genetify._setReferrer();
}
var filesLoad = function(override){
genetify.utils.request(genetify.config.REMOTE_BASE_URL + '/controls.js');
genetify.utils.insertStylesheet(genetify.config.REMOTE_BASE_URL + '/controls.css');
}
if (genetify.config.LOAD_CONTROLS || genetify.config.SHOW_RESULTS){
filesLoad();
genetify._addListener(window, 'onload', function(){
if (genetify.config.LOAD_CONTROLS){
genetify.controls._insertHTML('genetify_controls', genetify_controls_HTML);
}
if (genetify.config.SHOW_RESULTS){
genetify.controls.showResults();
}
});
}
genetify._addListener(window, 'onkeydown', function(e){
if (e.ctrlKey){
filesLoad();
var key = e.keyCode || e.charCode;
if (key == 71 ){ // g
genetify.controls._insertHTML('genetify_controls', genetify_controls_HTML);
genetify.controls.showResults();
}
}
});
},
handleResults: function(JSON){
//TODO: validate JSON
rawResults = eval(JSON);
genetify.results = genetify.weight.check(genetify.weight.results(rawResults));
genetifyTime.end.results = new Date().getTime();
var elem = document.getElementById('genetify_results_table');
if (elem){
genetify.controls.showResults();
}
},
_addListener: function(elem, sig, listener){
if (elem.addEventListener){
return elem.addEventListener(sig.substr(2), listener, false);
}
else if (elem.attachEvent){
return elem.attachEvent(sig, listener);
}
},
_registerSystemObjects: function(){
for (var p in window){
try {
genetify._systemObjects.push(window[p]);
genetify._systemNames[p] = true;
} catch (e) {
//because sessionStorage throws error
}
}
genetify._systemObjects['genetify'] = genetify;
genetify._systemNames['genetify'] = true;
},
_setReferrer: function(){
if (!document.referrer) return;
var URLObj = genetify.utils.parseURL(document.referrer);
genetify.referrer = {
'domain': URLObj['host'],
'path': URLObj['pathname'],
'external': (document.domain == URLObj['host']) ? false : true
};
//TODO: improve list?
var searchEngineQueryParam = {
'snipshot': 'p', 'google': 'q', 'yahoo': 'p', 'msn': 'q', 'aol': 'query', 'lycos': 'query', 'askjeeves': 'q', 'ask': 'q', 'altavista': 'q', 'netscape': 'query', 'cnn': 'query', 'looksmart': 'qt', 'about': 'terms', 'mamma': 'query', 'alltheweb': 'q', 'gigablast': 'q', 'voila': 'rdata', 'virgilio': 'qs', 'live': 'q', 'baidu': 'wd', 'alice': 'qs', 'yandex': 'text', 'najdi': 'q', 'club-internet': 'q', 'mama': 'query', 'seznam': 'q', 'search': 'q', 'szukaj': 'szukaj', 'szukaj': 'qt', 'netsprint': 'q', 'google.interia': 'q', 'szukacz': 'q', 'yam': 'k', 'pchome': 'q'
};
for (var p in searchEngineQueryParam){
if (genetify.referrer.domain.indexOf(p) != -1){
genetify.utils.assert(searchEngineQueryParam[p], 'Referral from search engine "' + p + '" does not contain a query term');
genetify.referrer.searchTerm = URLObj['params'][searchEngineQueryParam[p]];
genetify.referrer.searchEngine = p;
break;
}
}
},
_checkQueryString: function(){
var re = /&?genome=\((.*)\)/;
var queryStringData = re.exec(window.location.search);
if (queryStringData && queryStringData[1]){
window.location.href = window.location.href.replace(re, '') + '#' + queryStringData[1];
}
},
_checkCSS: function(requiredCSS){
var checked = [];
genetify._forAllCSSRules(function(cssRule){
for (var i=0; i < requiredCSS.length; i++){
if (cssRule.selectorText == requiredCSS[i]){
//TODO: is this needed? slowing loop?
genetify.utils.assert(
checked[i] != 1,
'CSS rule ' + requiredCSS[i] + ' is declared more than once'
);
checked[i] = 1;
}
}
});
genetify.utils.assert(
genetify.utils.sum(checked) == requiredCSS.length,
'Missing required CSS rules'
);
},
_createRegexes: function(){
/*TODO deal with multi selector rules, multi class rules
#asdf, #zxcv{}
#asdf.someclass.vA
*/
//TODO: only get rightmost .v but also handle IE reordering (.vA#asdf)
//TODO: i'm thinking of changing the rules so that both
// .myclass.myclass2.vA and .myclass2.vA
// would be considered part of gene "myclass2"
// so then you could create your compound rules
// .myclass could modify the behavior of .myclass2.vA
var geneNamePattern = '([A-Z0-9_$][a-zA-Z0-9_$\-]*)';
var markerPatternDict = {
'additiveCSSRules': '[a-zA-Z0-9_$]?\\.v',
'CSSRules': '_v',
'javascript': '_v',
'elements': '\\s+v\\s+'
};
var variantNamePattern = '([A-Z0-9_$][a-zA-Z0-9_$\-]*)';
for (var p in markerPatternDict){
var pattern = geneNamePattern + markerPatternDict[p] + variantNamePattern;
if (p == 'elements'){
genetify.re[p] = new RegExp(pattern, 'i');
}
else {
genetify.re[p] = new RegExp(pattern);
}
}
//TODO: better way to pass info than as genetify.re prop?
var classPattern = '\s?v' + variantNamePattern;
genetify.re.additiveCSSRulesReplacer = new RegExp(classPattern);
genetify.re.elementsMarker = new RegExp(markerPatternDict.elements);
// TODO: is compiling any faster? does it do anything?
// for (var p in genetify.re){
// genetify.re[p] = genetify.re[p].compile(genetify.re[p].source);
// }
},
requestResults: function(callback, pageLoaded /*optional*/){
genetifyTime.begin.results = new Date().getTime();
var src = '';
if (!pageLoaded && genetify.config.USE_RESULTS_CACHE){
//TODO: find a better naming convention?
var filenameParts = [
document.domain,
// double encode because remote filename is decoded once
encodeURIComponent(encodeURIComponent(genetify.config.NAMESPACE)),
'results.js'
];
var delim = '__';
genetify.utils.assert(genetify.config.NAMESPACE.indexOf(delim) == -1,
'Namespace contains delimiter: ' + delim
);
src = genetify.config.REMOTE_BASE_URL + '/cache/' + filenameParts.join(delim);
}
else {
// to override default callback
var queryDict = {
'callback': callback
};
src = genetify.utils.buildURL('/reader.php', queryDict);
}
if (pageLoaded){
genetify.utils.request(src);
}
else {
document.write('<script type="text/javascript" src="' + src + '"></script>');
}
},
vary: function(geneTypes){
genetifyTime.begin.vary = new Date().getTime();
//TODO: should cookie overriding preserve original pageview_xid?
// set to zero to overwrite any previous pageview_xid
genetify.pageview_xid = 0;
genetify.utils.assert(
typeof(GENETIFY_CONFIG) == 'undefined',
'GENETIFY_CONFIG must be set before genetify.js is loaded.'
);
genetify.utils.assert(!genetify.config.NO_VARYING, 'NO_VARYING is set to true');
//TODO: order of functions?
var validTypes = ['elements', 'CSSRules', 'additiveCSSRules', 'javascript'];
var myArgs = []; //because Safari doesn't allow assignment
if (arguments[0] == 'all'){
myArgs = validTypes;
}
else if (!arguments.length){
myArgs = validTypes;
//TODO: ??
// myArgs = ['elements', 'CSSRules', 'additiveCSSRules'];
}
else {
myArgs = genetify.vary.arguments;
}
for (var i=0; i < myArgs.length; i++){
//TODO: this won't catch all bad arguments
genetify.utils.assert(
validTypes.join('|').indexOf(myArgs[i]) != -1,
myArgs[i] + ': not a valid type for varying'
);
if (myArgs[i] == 'CSSRules'){
genetify.switchRules(genetify.getRules());
}
else if (myArgs[i] == 'elements'){
genetify.switchElements(genetify.getElements());
}
else if (myArgs[i] == 'additiveCSSRules'){
genetify.switchAdditiveRules(genetify.getAdditiveRules());
}
else if (myArgs[i] == 'javascript'){
genetify.getAndSwitchObjects();
}
}
genetify.pageview_xid = genetify._generateID();
// TODO: if not USE_COOKIE?
genetify.cookie.save(genetify.genome, genetify.config.NAMESPACE);
genetifyTime.end.vary = new Date().getTime();
genetify.record.pageview(genetify.genome, genetify.referrer, geneTypes);
return genetify.genome;
},
_generateID: function(){
// TODO: is this number big enough to avoid random collisions?
var max = Math.pow(10, 15);
var id = Math.round(Math.random() * max);
//TODO: make it work with mySQLMaxInt
// var mySQLMaxInt = 9223372036854775806;
return id;
},
_lowerTagNames: function(selector){
// because IE capitalizes elements tags in selectors
//TODO: what other CSS case sensitivity quirks?
var lowerTagInToken = function(token){
var splitter = '';
if (token.indexOf('#') > -1) {
// Token is an ID selector
splitter = '#';
}
else if (token.indexOf('.') > -1) {
// Token contains a class selector
splitter = '.';
}
else {
// token is JUST an element (not a class or ID selector)
return token.toLowerCase();
}
var bits = token.split(splitter);
var lowered = [bits[0].toLowerCase(), bits.slice(1).join(splitter)];
return lowered.join(splitter);
};
var tokens = selector.split(' ');
for (var i = 0; i < tokens.length; i++) {
var token = tokens[i].replace(/^\s+/,'').replace(/\s+$/,'');
tokens[i] = lowerTagInToken(token);
}
return tokens.join(' ');
},
getRules: function(){
var CSSRuleDict = {};
genetify._forAllCSSRules(function(cssRule){
CSSRuleDict[cssRule.selectorText] = cssRule.style.cssText;
});
//TODO: what happens when multiple identical selectors... correct override behavior?
var geneDict = genetify._groupVariantsByGeneName(CSSRuleDict, genetify.re.CSSRules, function(matches){
var geneName = matches[1];
if (geneName != geneName.toLowerCase()){
geneName = genetify._lowerTagNames(geneName);
}
return [geneName, matches[2]];
});
return geneDict;
},
getAdditiveRules: function(){
var CSSRuleDict = {};
genetify._forAllCSSRules(function(cssRule){
CSSRuleDict[cssRule.selectorText] = cssRule.selectorText;
});
//TODO: what happens when multiple identical selectors... correct override behavior?
var geneDict = genetify._groupVariantsByGeneName(CSSRuleDict, genetify.re.additiveCSSRules, function(matches){
var variantName = matches[2];
var geneName = matches[0].replace('.v' + variantName, ''); //because IE changes className position in selector
if (geneName != geneName.toLowerCase()){
geneName = genetify._lowerTagNames(geneName);
}
return [geneName, variantName];
});
// change geneDict values to class name to-be-added... kinda ugly
for (var p in geneDict){
for (var i=0; i < geneDict[p].length; i++){
var matches = genetify.re.additiveCSSRules.exec(geneDict[p][i]);
geneDict[p][i] = [matches[2], 'v' + matches[2]];
}
}
return geneDict;
},
getElements: function(){
var genetified = genetify.utils.getElementsByClassName('v');
var elemDict = genetify._groupElementsByClassName(genetified);
var geneDict = genetify._groupVariantsByGeneName(elemDict, genetify.re.elements);
return geneDict;
},
_groupElementsByClassName: function(elements){
var elemDict = {};
for (var i=0; i < elements.length; i++){
var matches = genetify.re.elements.exec(elements[i].className);
if (matches){
var name = matches[0];
if (!elemDict[name]){
elemDict[name] = [];
}
elemDict[name].push(elements[i]);
}
}
return elemDict;
},
_getUserDict: function(){
//TODO: proper test for IE or no-global-namespace-iteration
if (document.scripts && document.all){
return genetify.scanJS.getUserDict();
}
else {
var userDict = {};
//TODO: optimizize
for (var p in window){
if (!genetify._systemNames[p]){
try {
userDict[p] = window[p];
} catch (e) {
//because sessionStorage throws an error
}
}
}
return userDict;
}
},
_getRandomVariant: function(variants){
var randomI = Math.floor(Math.random() * variants.length);
return variants[randomI];
},
_getVariantWithProbability: function(variants, probs){
var randomProb = Math.random() * genetify.utils.sum(probs); //because sum != 1 exactly
var threshold = 0;
for (var i=0; i < variants.length; i++){
threshold += probs.shift();
if (randomProb <= threshold){
return variants[i];
}
}
return genetify.utils.assert(false, 'No variant selected');
},
// TODO: rename fitnesses?
_getProbabilities: function(geneResults, variants){
var probs = [];
var newProbs = [];
for (var i=0; i < variants.length; i++){
var variantName = variants[i][0];
if (geneResults[variantName] && geneResults[variantName]['weight']){
probs[i] = geneResults[variantName]['weight'];
geneResults[variantName]['recorded'] = true;
}
else {
probs[i] = NaN;
newProbs.push(1 / variants.length);
}
}
if (newProbs.length){
probs = genetify._adjustProbs(probs, newProbs);
}
probs = genetify._allocateUnused(geneResults, probs);
var sum = genetify.utils.round(genetify.utils.sum(probs));
genetify.utils.assert(sum == 1, 'Weights add up to ' + sum + ' for ' + geneResults['name']);
return probs;
},
// TODO: figure out a truly rational way of adjusting!!!
// one that makes sense with the server's way
_adjustProbs: function(probs, newProbs){
for (var k=0; k < probs.length; k++){
probs[k] *= 1 - genetify.utils.sum(newProbs);
}
for (var h=0; h < probs.length; h++){
if (!probs[h]){
probs[h] = newProbs.shift();
}
}
return probs;
},
_allocateUnused: function(geneResults, probs){
var missingProbs = [];
for (var p in geneResults){
if (geneResults[p]['weight'] && !geneResults[p]['recorded']){
missingProbs.push(geneResults[p]['weight']);
}
}
if (missingProbs.length){
for (var k=0; k < probs.length; k++){
//TODO: find better formula for adjusting
probs[k] += genetify.utils.sum(missingProbs) / probs.length;
}
}
return probs;
},
_getFixedVariant: function(geneName, variants){
for (var i=0; i < variants.length; i++){
if (genetify.genomeOverride[geneName] == variants[i][0]){
return variants[i];
}
}
return genetify.utils.assert(
false,
'No variant of name ' + genetify.genomeOverride[geneName] + ' in gene ' + geneName
);
},
_selectVariant: function(geneName, original, variants){
genetify.utils.assert(
!genetify.genome[geneName],
'Name conflict: ' + geneName
);
genetify.utils.assert(
typeof(original) != 'undefined',
'No original for gene: ' + geneName
);
var selectedVariant = null;
variants.push(['__original__', original]);
if (genetify.genomeOverride[geneName]){
selectedVariant = genetify._getFixedVariant(geneName, variants);
}
else if (!genetify.utils.empty(genetify.results[geneName])){
var probs = genetify._getProbabilities(genetify.results[geneName], variants);
selectedVariant = genetify._getVariantWithProbability(variants, probs);
}
else {
selectedVariant = genetify._getRandomVariant(variants);
}
genetify.genome[geneName] = selectedVariant[0];
return selectedVariant;
},
//TODO: don't set props on objects
//TODO: handle "access to restricted URI"
_walkObject: function(rootObj, func){
//TODO: make global config
var max_depth = 3;
// IMPORTANT: rootObj should be prefiltered for bad objects
var self = genetify; //use local name for speed
self._scanCounter += 1; // to allow repeated calls to genetify.vary
//TODO: limit scan depth as config option
rootObj.__depth = 0;
var objStack = [rootObj];
while (objStack.length){
var currentObj = objStack.pop();
func(currentObj);
for (var p in currentObj){
//check for nested objects
//TODO: can functions have nested objects?
if (typeof(currentObj[p]) == 'object' && !genetify[p] && currentObj[p] !== genetify.results){
// run away from weird false objects
//TODO: find less crude workaround
if (!currentObj[p]) break;
// check if visited on current walk of namespace
if (!currentObj[p].__visited || currentObj[p].__visited != self._scanCounter){
try {
// mark to avoid circular references
currentObj[p].__visited = self._scanCounter;
}
catch(err){
// read-only objects are no good
continue;
}
// for Firefox
//TODO: when is necessary??
if (self._systemObjects.indexOf && self._systemObjects.indexOf(currentObj[p]) != -1){
continue;
}
currentObj[p].__depth = currentObj.__depth + 1;
if (currentObj[p].__depth <= max_depth){
objStack.push(currentObj[p]);
}
}
}
}
}
},
_getAndSwitchObject: function(obj){
var geneDict = genetify._groupVariantsByGeneName(obj, genetify.re.javascript);
for (var g in geneDict){
// because top level scan doesn't pass in window object
var global = false;
if (window[g] === obj[g]){
global = true;
}
var selectedVariant = genetify._selectVariant(g, obj[g], geneDict[g]);
//TODO: original code is lost forever when overwritten... bad
obj[g] = selectedVariant[1];
if (global){
window[g] = selectedVariant[1];
}
}
},
getAndSwitchObjects: function(){
return genetify._walkObject(genetify._getUserDict(), genetify._getAndSwitchObject);
},
switchRules: function(geneDict){
genetify._forAllCSSRules(function(cssRule){
for (var g in geneDict){
//TODO: this only works if original is present in CSS rules... make more forgiving?
if (g == cssRule.selectorText){
var selectedVariant = genetify._selectVariant(g, cssRule.style.cssText, geneDict[g]);
cssRule.style.cssText = selectedVariant[1];
//TODO: original code is lost forever when overwritten... bad
}
}
});
},
switchElements: function(geneDict){
for (var g in geneDict){
//TODO: does order of originals correspond to order of variants?
var completeSet = genetify.utils.getElementsByClassName(g);
var originals = [];
for (var i=0; i < completeSet.length; i++){
if (!completeSet[i].className.match(genetify.re.elementsMarker)){
originals.push(completeSet[i]);
}
}
var selectedVariant = genetify._selectVariant(g, originals, geneDict[g]);
//TODO: this is pretty gnarly... refactor?
for (var j=0; j < geneDict[g].length; j++){
// extra loop because of possible multiple elements per variant
for (var k=0; k < geneDict[g][j][1].length; k++){
var baseClassname = geneDict[g][j][1][k].className.replace(' genetify_disabled', '').replace(' genetify_enabled', '');
if (geneDict[g][j][0] != selectedVariant[0]){
geneDict[g][j][1][k].className = baseClassname + ' genetify_disabled';
}
else {
geneDict[g][j][1][k].className = baseClassname + ' genetify_enabled';
}
}
}
}
},
switchAdditiveRules: function(selectorDict){
//TODO: what about multiple conflicting rules?
for (var s in selectorDict){
var selectedVariant = genetify._selectVariant(s, null, selectorDict[s]);
var elems = genetify.utils.getElementsBySelector(s);
genetify.utils.assert(!genetify.utils.empty(elems), 'No elements correspond to ' + s);
for (var i=0; i < elems.length; i++){
var baseClassname = elems[i].className.replace(genetify.re.additiveCSSRulesReplacer, '');
if (selectedVariant[0] != '__original__'){
elems[i].className = baseClassname + ' ' + selectedVariant[1];
}
else {
elems[i].className = baseClassname;
}
}
}
},
_groupVariantsByGeneName: function(iterableObj, re, getGeneAndVariantName){
if (typeof(getGeneAndVariantName) != 'function'){
var getGeneAndVariantName = function(matches){
return [matches[1], matches[2]];
};
}
var geneDict = {};
for (var p in iterableObj){
//TODO: is this likely to break because it is not using actual variantMarker?
// optimization to avoid regex... 4x speedup
if (p.indexOf('v') == -1){
continue;
}
var matches = re.exec(p);
if (matches){
//TODO: find better solution
matches[0] = p; //because bug in IE
var names = getGeneAndVariantName(matches);
if (names.length == 2){
if (!geneDict[names[0]]){
geneDict[names[0]] = [];
}
geneDict[names[0]].push([names[1], iterableObj[p]]);
}
}
}
return geneDict;
},
_forAllCSSRules: function(func){
var self = genetify; //use local name for speed
if (self._cssSheetCount != document.styleSheets.length){
self._cacheCSSRules();
}
var len = self._cssRulesCache.length; //for speed
for (var i=0; i < len; i++){
func(self._cssRulesCache[i]);
}
},
_cacheCSSRules: function(){
//TODO: weird Safari bug
genetify.utils.assert(
document.styleSheets.length,
'No stylesheets detected.'
);
var self = genetify; //use local name for speed
for (var i=self._cssSheetCount; i < document.styleSheets.length; i++){
var ss = document.styleSheets[i];
try {
var rules = ss.cssRules || ss.rules; //for IE
var len = rules.length; //for speed
for (var j=0; j < len; j++){
// because Safari returns some non-style rules
if (rules[j].selectorText){
self._cssRulesCache.push(rules[j]);
}
else if (rules[j].type == 3){
//TODO: what to do about CSS @imports ?
if (typeof(check) == 'undefined'){
var check = setTimeout(function(){
genetify.utils.assert(
!genetify.utils.empty(genetify.genome),
'Genome is empty and CSS @imports detected'
);
}, 2000);
}
}
}
}
catch(err){
// suppress security errors on accessing remote stylesheet
//TODO: log as error?
}
}
self._cssSheetCount = document.styleSheets.length;
}
};
genetify.scanJS = {
_getRaw: function(){
//TODO: better IE detect
genetify.utils.assert(document.scripts,
'This function is only meant for IE'
);
var rawJavascript = '';
for (var i=0; i < document.scripts.length; i++){
//TODO: could this perform poorly?
rawJavascript += document.scripts[i].innerHTML;
}
return rawJavascript;
},
_parseIdentifiers: function(javascript){
// todo: optimize
var reCommentOneline = /\/\/.*/g;
var reCommentMultiline = /\*.*?\*\//g;
var reIdentifier = /([a-zA-Z_$][a-zA-Z0-9_$]*)/g;
var matches = javascript.replace(reCommentMultiline, '').replace(reCommentOneline, '').match(reIdentifier);
return matches;
},
_getObjectsThatExist: function(matches){
var userDict = {};
// todo: optimize
for (var i=0; i < matches.length; i++){
if (!userDict[matches[i]] && window[matches[i]]){
userDict[matches[i]] = window[matches[i]];
}
}
return userDict;
},
getUserDict: function(){
var self = genetify.scanJS;
return self._getObjectsThatExist(self._parseIdentifiers(self._getRaw()));
}
};
genetify.record = {
goal: function(name, value, category /*optional*/){
//TODO: regex validate name
genetify.utils.assert(name, 'Goal name required');
genetify.utils.assert(
typeof(value) == 'number',
'Goal value must be a number, not ' + value
);
//TODO: handle negative values
genetify.utils.assert(
value > 0,
'Goal value must be greater than zero, not ' + value
);
genetify.utils.assert(
genetify.pageview_xid,
'Pageview is missing'
);
var queryDict = {
'goal': name,
'pageview_xid': genetify.pageview_xid,
'value': value
//TODO: send category info to server
};
genetify.utils.request(genetify.utils.buildURL('/recorder.php', queryDict));
if (genetify.config.USE_URCHIN){
genetify.record.urchin(name, value, category);
}
},
// //TODO: explicit vs implicit args?
pageview: function(genome, referrer, varyCall){
genetify.utils.assert(
!genetify.utils.empty(genome),
'Genome is empty'
);
var f = genetify.utils.genomeToURLFragment(genome);
var rStr = genetify.utils.genomeToURLFragment(referrer);
genetifyTime.time = {
'load': genetifyTime.end.load - genetifyTime.begin.load,
'init': genetifyTime.end.init - genetifyTime.end.load,
'results': genetifyTime.end.results - genetifyTime.begin.results,
'idle': genetifyTime.begin.vary - genetifyTime.end.results,
'vary': genetifyTime.end.vary - genetifyTime.begin.vary
};
var queryDict = {
'pageview_xid': genetify.pageview_xid,
'genome': f,
'referrer': rStr,
'vary_call': varyCall,
'load_time': genetifyTime.time.load,
'init_time': genetifyTime.time.init,
'results_time': genetifyTime.time.results,
'idle_time': genetifyTime.time.idle,
'vary_time': genetifyTime.time.vary
};
genetify.utils.request(genetify.utils.buildURL('/recorder.php', queryDict));
},
//TODO: test this function
urchin: function(name, value, category /*optional*/){
genetify.utils.assert(
typeof(UrchinTransaction) == 'function',
'UrchinTransaction required'
);
genetify.utils.assert(
typeof(urchinTracker) == 'function',
'urchinTracker required'
);
genetify.utils.assert(
!genetify.utils.empty(genetify.genome),
'Genome is empty'
);
// pageview must be recorded seperately from transaction
genetify.record._pageToUrchin(genetify.genome);
var tdata = {
//TODO: use pageview_xid here?
'order-id': name + '-' + Math.round(Math.random()*1000000000),
'affiliation': 'genetify',
'total': value,
'items': [{
'sku/code': name,
'product name': name,
'category': category,
'quantity': 1,
'price': value
}]
};
var t = new UrchinTransaction(tdata);
t.commit();
},
_pageToUrchin: function(genome){
var fragment = genetify.utils.genomeToURLFragment(genome);
var GAString = '';
if (window.location.search){
GAString = window.location.search + '&genome=(' + fragment + ')';
}
else {
GAString = '?genome=(' + fragment + ')';
}
urchinTracker(genetify.config.NAMESPACE + GAString);
},
error: function(message, url /*optional*/, lineNumber /*optional*/){
if (message == 'Error loading script'){
// because requests to non-existant cache files raise this error in Firefox
return;
}
var queryDict = {
'error': message,
'line_number': lineNumber || 0
};
// Don't bother sending other errors
if (message.toLowerCase().indexOf('genetify') == -1){
return '';
}
genetify.utils.request(genetify.utils.buildURL('/recorder.php', queryDict));
}
};
genetify.cookie = {
init: function(){
var cookieSwitch = genetify.cookie.read('genetify_use_cookie');
if (cookieSwitch){
genetify.config.USE_COOKIE = cookieSwitch * 1;
}
var page = genetify.cookie.read('genetify_genome_page');
if (genetify.config.USE_COOKIE && page == genetify.config.NAMESPACE){
var cookieData = genetify.cookie.read('genetify_genome');
// TODO: re-init conflict with URL data?
genetify.utils.update(genetify.genomeOverride, genetify.utils.fragmentToGenome(cookieData));
}
genetify.pageview_xid = genetify.cookie.read('genetify_pageview_xid');