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ibug.js
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ibug.js
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var _host;
if (!("console" in window) || !("firebug" in console)) {
(function() {
// JOHN: Save a reference to the console for debugging ;)
window._console = window.console;
window.console = {
firebug: "ibug0.1",
log: function() {
logFormatted(arguments, "");
},
debug: function() {
logFormatted(arguments, "debug");
},
info: function() {
logFormatted(arguments, "info");
},
warn: function() {
logFormatted(arguments, "warning");
},
error: function() {
logFormatted(arguments, "error");
},
assert: function(truth, message) {
if (!truth) {
var args = [];
for (var i = 1; i < arguments.length; ++i)
args.push(arguments[i]);
logFormatted(args.length ? args : ["Assertion Failure"], "error");
throw message ? message : "Assertion Failure";
}
},
dir: function(object) {
var html = [],
pairs = [];
for (var name in object) {
try {
pairs.push([name, object[name]]);
} catch (exc) { }
}
pairs.sort(function(a, b) { return a[0] < b[0] ? -1 : 1; });
html.push('<table>');
for (var i = 0; i < pairs.length; ++i) {
var name = pairs[i][0], value = pairs[i][1];
html.push('<tr>',
'<td class="propertyNameCell"><span class="propertyName">',
escapeHTML(name), '</span></td>', '<td><span class="propertyValue">');
appendObject(value, html);
html.push('</span></td></tr>');
}
html.push('</table>');
logRow(html, "dir");
},
dirxml: function(node) {
var html = [];
appendNode(node, html);
logRow(html, "dirxml");
},
group: function() {
logRow(arguments, "group", pushGroup);
},
groupEnd: function() {
logRow(arguments, "", popGroup);
},
time: function(name) {
timeMap[name] = (new Date()).getTime();
},
timeEnd: function(name) {
if (name in timeMap) {
var delta = (new Date()).getTime() - timeMap[name];
logFormatted([name+ ":", delta+"ms"]);
delete timeMap[name];
}
},
count: function() {
this.warn(["count() not supported."]);
},
trace: function() {
this.warn(["trace() not supported."]);
},
profile: function() {
this.warn(["profile() not supported."]);
},
profileEnd: function() { },
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
$: function(id) {
return document.getElementById(id);
},
$$: function(selector) {
// XXXjoe Make this into getElementsBySelector
return document.getElementsByTagName(selector);
},
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
onError: function(msg, href, lineNo) {
var html = [],
lastSlash = href.lastIndexOf("/"),
fileName = lastSlash == -1 ? href : href.substr(lastSlash+1);
html.push(
'<span class="errorMessage">', msg, '</span>',
'<div class="objectBox-sourceLink">', fileName, ' (line ', lineNo, ')</div>'
);
logRow(html, "error");
},
command: function(text) {
with (console) {
try {
var result = eval(text);
console.log(result);
}
catch (exc) {
console.onError(exc.message, exc.sourceId+"", exc.line);
}
}
}
};
// ********************************************************************************************
var timeMap = {},
queue = [],
scriptCount = 0;
function init() {
// Hack: Figure out what the correct host is.
var scripts = document.getElementsByTagName("script");
for (var i = 0; i < scripts.length; i++) {
var script = scripts[i];
if (/ibug\.js/.test(script.src)) {
_host = script.src.split("/")[2];
break;
}
}
}
var onload = (function(){
// Detect whether script.onload is supported.
// http://perfectionkills.com/detecting-event-support-without-browser-sniffing/
var testScript = document.createElement("script");
testScript.setAttribute("onload", "return");
if (typeof testScript.onload == "function") {
return function(script, callback) {
var loaded = false;
script.onload = script.onreadystatechange = function(){
var state = this.readyState;
if (!loaded && (!state || state == 'loaded' || state == 'complete')) {
loaded = true;
callback();
}
}
}
} else {
// If script.onload is not supported use polling with a counter
// to detect whether the script is loaded.
// http://remysharp.com/2007/04/12/how-to-detect-when-an-external-library-has-loaded/
window.console.lastScriptLoaded = -1;
return function(script, callback) {
var callbackTimer = setInterval(function(){
if (window.console.lastScriptLoaded == scriptCount - 1){
clearInterval(callbackTimer);
callback();
}
}, 100);
}
}
})();
function listen(){
var script = document.createElement("script");
script.src = "http://" + _host + "/client?s=" + scriptCount++;
onload(script, listen);
document.getElementsByTagName("head")[0].appendChild(script);
}
// TODO: Cleanup!
var MAX_BIT_LENGTH = 1500;
var messageNumber = 0;
function sendMessage(message) {
// Messages are broken into bits to avoid browser uri length limits.
// n = message number
// l = number of bits in this message
// b = current bit
// m = bit message
var message = escape(message);
var bitLength = Math.ceil(message.length / MAX_BIT_LENGTH);
var bitNumber = 0;
if (typeof(_host) != "undefined")
{
for (var i = 0, step = MAX_BIT_LENGTH; i < message.length; i = i + step)
{
var src = "http://" + _host + "/response?"
src += "n=" + messageNumber;
src += "&l=" + bitLength;
src += "&b=" + bitNumber++;
src += "&m=" + message.substring(i, i + step);
new Image().src = src;
}
}
messageNumber++;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
function appendText(object, html) {
html.push(escapeHTML(objectToString(object)));
}
function appendNull(object, html) {
html.push('<span class="objectBox-null">', escapeHTML(objectToString(object)), '</span>');
}
function appendString(object, html) {
html.push('<span class="objectBox-string">"', escapeHTML(objectToString(object)),
'"</span>');
}
function appendInteger(object, html) {
html.push('<span class="objectBox-number">', escapeHTML(objectToString(object)), '</span>');
}
function appendFloat(object, html) {
html.push('<span class="objectBox-number">', escapeHTML(objectToString(object)), '</span>');
}
function appendFunction(object, html) {
var reName = /function ?(.*?)\(/;
var m = reName.exec(objectToString(object));
var name = m ? m[1] : "function";
html.push('<span class="objectBox-function">', escapeHTML(name), '()</span>');
}
function appendArray(object, html) {
html.push('<span class="arrayLeftBracket">[</span>');
for (var i = 0; i < object.length; ++i) {
if (i > 0) {
html.push('<span class="arrayComma">,</span>');
}
appendObject(object[i], html);
}
html.push('<span class="arrayRightBracket">]</span>');
}
function appendObject(object, html) {
try {
if (object == undefined) {
appendNull("undefined", html);
} else if (object == null) {
appendNull("null", html);
} else if (typeof object == "string") {
appendString(object, html);
} else if (typeof object == "number") {
appendInteger(object, html);
} else if (object.nodeType == 1) {
appendSelector(object, html);
} else if (object == window || object == document) {
appendObjectFormatted(object, html);
} else if (typeof(object.length) == "number") {
appendArray(object, html);
} else if (typeof object == "object") {
appendObjectFormatted(object, html);
} else if (typeof object == "function") {
appendFunction(object, html);
} else {
appendText(object, html);
}
} catch (exc) { }
}
function appendObjectFormatted(object, html) {
var text = objectToString(object);
reObject = /\[object (.*?)\]/;
m = reObject.exec(text);
html.push('<span class="objectBox-object">', m ? m[1] : text, '</span>');
}
function appendSelector(object, html) {
html.push('<span class="objectBox-selector">');
html.push('<span class="selectorTag">', escapeHTML(object.nodeName.toLowerCase()), '</span>');
if (object.id)
html.push('<span class="selectorId">#', escapeHTML(object.id), '</span>');
if (object.className)
html.push('<span class="selectorClass">.', escapeHTML(object.className), '</span>');
html.push('</span>');
}
function appendNode(node, html) {
if (node.nodeType == 1) {
html.push(
'<div class="objectBox-element">',
'<<span class="nodeTag">', node.nodeName.toLowerCase(), '</span>');
for (var i = 0; i < node.attributes.length; ++i) {
var attr = node.attributes[i];
if (!attr.specified)
continue;
html.push(' <span class="nodeName">', attr.nodeName.toLowerCase(),
'</span>="<span class="nodeValue">', escapeHTML(attr.nodeValue),
'</span>"');
}
if (node.firstChild) {
html.push('></div><div class="nodeChildren">');
for (var child = node.firstChild; child; child = child.nextSibling)
appendNode(child, html);
html.push('</div><div class="objectBox-element"></<span class="nodeTag">',
node.nodeName.toLowerCase(), '></span></div>');
}
else {
html.push('/></div>');
}
} else if (node.nodeType == 3) {
html.push('<div class="nodeText">', escapeHTML(node.nodeValue),
'</div>');
}
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
function logRow(message, className, handler) {
sendMessage(className + "||" + message.join(""));
}
function pushGroup(message, className)
{
logFormatted(message, className);
var groupRow = consoleBody.ownerDocument.createElement("div");
groupRow.className = "logGroup";
var groupRowBox = consoleBody.ownerDocument.createElement("div");
groupRowBox.className = "logGroupBox";
groupRow.appendChild(groupRowBox);
appendRow(groupRowBox);
groupStack.push(groupRowBox);
}
function popGroup()
{
groupStack.pop();
}
function logFormatted(objects, className) {
var html = [];
var format = objects[0];
var objIndex = 0;
if (typeof format != "string") {
format = "";
objIndex = -1;
}
var parts = parseFormat(format);
for (var i = 0; i < parts.length; ++i) {
var part = parts[i];
if (part && typeof(part) == "object") {
var object = objects[++objIndex];
part.appender(object, html);
}
else {
appendText(part, html);
}
}
for (var i = objIndex+1; i < objects.length; ++i) {
appendText(" ", html);
var object = objects[i];
if (typeof(object) == "string") {
appendText(object, html);
} else {
appendObject(object, html);
}
}
if (!className && html.length == 1 && typeof objects[0] == "string") {
className = "text";
}
logRow(html, className);
}
function parseFormat(format) {
var parts = [];
var reg = /((^%|[^\\]%)(\d+)?(\.)([a-zA-Z]))|((^%|[^\\]%)([a-zA-Z]))/;
var appenderMap = {s: appendText, d: appendInteger, i: appendInteger, f: appendFloat};
for (var m = reg.exec(format); m; m = reg.exec(format)) {
var type = m[8] ? m[8] : m[5];
var appender = type in appenderMap ? appenderMap[type] : appendObject;
var precision = m[3] ? parseInt(m[3]) : (m[4] == "." ? -1 : 0);
parts.push(format.substr(0, m[0][0] == "%" ? m.index : m.index+1));
parts.push({appender: appender, precision: precision});
format = format.substr(m.index+m[0].length);
}
parts.push(format);
return parts;
}
function escapeHTML(value) {
function replaceChars(ch) {
switch (ch) {
case "<":
return "<";
case ">":
return ">";
case "&":
return "&";
case "'":
return "'";
case '"':
return """;
}
return "?";
};
return String(value).replace(/[<>&"']/g, replaceChars);
}
function objectToString(object) {
try {
return object+"";
} catch (exc) {
return null;
}
}
init();
window.addEventListener("load", listen, false);
})();
}