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/**
* @preserve HTML5 Shiv 3.7.3 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
*/
;(function(window, document) {
/*jshint evil:true */
/** version */
var version = '3.7.3';
/** Preset options */
var options = window.html5 || {};
/** Used to skip problem elements */
var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i;
/** Not all elements can be cloned in IE **/
var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i;
/** Detect whether the browser supports default html5 styles */
var supportsHtml5Styles;
/** Name of the expando, to work with multiple documents or to re-shiv one document */
var expando = '_html5shiv';
/** The id for the the documents expando */
var expanID = 0;
/** Cached data for each document */
var expandoData = {};
/** Detect whether the browser supports unknown elements */
var supportsUnknownElements;
(function() {
try {
var a = document.createElement('a');
a.innerHTML = '<xyz></xyz>';
//if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles
supportsHtml5Styles = ('hidden' in a);
supportsUnknownElements = a.childNodes.length == 1 || (function() {
// assign a false positive if unable to shiv
(document.createElement)('a');
var frag = document.createDocumentFragment();
return (
typeof frag.cloneNode == 'undefined' ||
typeof frag.createDocumentFragment == 'undefined' ||
typeof frag.createElement == 'undefined'
);
}());
} catch(e) {
// assign a false positive if detection fails => unable to shiv
supportsHtml5Styles = true;
supportsUnknownElements = true;
}
}());
/*--------------------------------------------------------------------------*/
/**
* Creates a style sheet with the given CSS text and adds it to the document.
* @private
* @param {Document} ownerDocument The document.
* @param {String} cssText The CSS text.
* @returns {StyleSheet} The style element.
*/
function addStyleSheet(ownerDocument, cssText) {
var p = ownerDocument.createElement('p'),
parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement;
p.innerHTML = 'x<style>' + cssText + '</style>';
return parent.insertBefore(p.lastChild, parent.firstChild);
}
/**
* Returns the value of `html5.elements` as an array.
* @private
* @returns {Array} An array of shived element node names.
*/
function getElements() {
var elements = html5.elements;
return typeof elements == 'string' ? elements.split(' ') : elements;
}
/**
* Extends the built-in list of html5 elements
* @memberOf html5
* @param {String|Array} newElements whitespace separated list or array of new element names to shiv
* @param {Document} ownerDocument The context document.
*/
function addElements(newElements, ownerDocument) {
var elements = html5.elements;
if(typeof elements != 'string'){
elements = elements.join(' ');
}
if(typeof newElements != 'string'){
newElements = newElements.join(' ');
}
html5.elements = elements +' '+ newElements;
shivDocument(ownerDocument);
}
/**
* Returns the data associated to the given document
* @private
* @param {Document} ownerDocument The document.
* @returns {Object} An object of data.
*/
function getExpandoData(ownerDocument) {
var data = expandoData[ownerDocument[expando]];
if (!data) {
data = {};
expanID++;
ownerDocument[expando] = expanID;
expandoData[expanID] = data;
}
return data;
}
/**
* returns a shived element for the given nodeName and document
* @memberOf html5
* @param {String} nodeName name of the element
* @param {Document} ownerDocument The context document.
* @returns {Object} The shived element.
*/
function createElement(nodeName, ownerDocument, data){
if (!ownerDocument) {
ownerDocument = document;
}
if(supportsUnknownElements){
return ownerDocument.createElement(nodeName);
}
if (!data) {
data = getExpandoData(ownerDocument);
}
var node;
if (data.cache[nodeName]) {
node = data.cache[nodeName].cloneNode();
} else if (saveClones.test(nodeName)) {
node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode();
} else {
node = data.createElem(nodeName);
}
// Avoid adding some elements to fragments in IE < 9 because
// * Attributes like `name` or `type` cannot be set/changed once an element
// is inserted into a document/fragment
// * Link elements with `src` attributes that are inaccessible, as with
// a 403 response, will cause the tab/window to crash
// * Script elements appended to fragments will execute when their `src`
// or `text` property is set
return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node;
}
/**
* returns a shived DocumentFragment for the given document
* @memberOf html5
* @param {Document} ownerDocument The context document.
* @returns {Object} The shived DocumentFragment.
*/
function createDocumentFragment(ownerDocument, data){
if (!ownerDocument) {
ownerDocument = document;
}
if(supportsUnknownElements){
return ownerDocument.createDocumentFragment();
}
data = data || getExpandoData(ownerDocument);
var clone = data.frag.cloneNode(),
i = 0,
elems = getElements(),
l = elems.length;
for(;i<l;i++){
clone.createElement(elems[i]);
}
return clone;
}
/**
* Shivs the `createElement` and `createDocumentFragment` methods of the document.
* @private
* @param {Document|DocumentFragment} ownerDocument The document.
* @param {Object} data of the document.
*/
function shivMethods(ownerDocument, data) {
if (!data.cache) {
data.cache = {};
data.createElem = ownerDocument.createElement;
data.createFrag = ownerDocument.createDocumentFragment;
data.frag = data.createFrag();
}
ownerDocument.createElement = function(nodeName) {
//abort shiv
if (!html5.shivMethods) {
return data.createElem(nodeName);
}
return createElement(nodeName, ownerDocument, data);
};
ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' +
'var n=f.cloneNode(),c=n.createElement;' +
'h.shivMethods&&(' +
// unroll the `createElement` calls
getElements().join().replace(/[\w\-:]+/g, function(nodeName) {
data.createElem(nodeName);
data.frag.createElement(nodeName);
return 'c("' + nodeName + '")';
}) +
');return n}'
)(html5, data.frag);
}
/*--------------------------------------------------------------------------*/
/**
* Shivs the given document.
* @memberOf html5
* @param {Document} ownerDocument The document to shiv.
* @returns {Document} The shived document.
*/
function shivDocument(ownerDocument) {
if (!ownerDocument) {
ownerDocument = document;
}
var data = getExpandoData(ownerDocument);
if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) {
data.hasCSS = !!addStyleSheet(ownerDocument,
// corrects block display not defined in IE6/7/8/9
'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' +
// adds styling not present in IE6/7/8/9
'mark{background:#FF0;color:#000}' +
// hides non-rendered elements
'template{display:none}'
);
}
if (!supportsUnknownElements) {
shivMethods(ownerDocument, data);
}
return ownerDocument;
}
/*--------------------------------------------------------------------------*/
/**
* The `html5` object is exposed so that more elements can be shived and
* existing shiving can be detected on iframes.
* @type Object
* @example
*
* // options can be changed before the script is included
* html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false };
*/
var html5 = {
/**
* An array or space separated string of node names of the elements to shiv.
* @memberOf html5
* @type Array|String
*/
'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output picture progress section summary template time video',
/**
* current version of html5shiv
*/
'version': version,
/**
* A flag to indicate that the HTML5 style sheet should be inserted.
* @memberOf html5
* @type Boolean
*/
'shivCSS': (options.shivCSS !== false),
/**
* Is equal to true if a browser supports creating unknown/HTML5 elements
* @memberOf html5
* @type boolean
*/
'supportsUnknownElements': supportsUnknownElements,
/**
* A flag to indicate that the document's `createElement` and `createDocumentFragment`
* methods should be overwritten.
* @memberOf html5
* @type Boolean
*/
'shivMethods': (options.shivMethods !== false),
/**
* A string to describe the type of `html5` object ("default" or "default print").
* @memberOf html5
* @type String
*/
'type': 'default',
// shivs the document according to the specified `html5` object options
'shivDocument': shivDocument,
//creates a shived element
createElement: createElement,
//creates a shived documentFragment
createDocumentFragment: createDocumentFragment,
//extends list of elements
addElements: addElements
};
/*--------------------------------------------------------------------------*/
// expose html5
window.html5 = html5;
// shiv the document
shivDocument(document);
/*------------------------------- Print Shiv -------------------------------*/
/** Used to filter media types */
var reMedia = /^$|\b(?:all|print)\b/;
/** Used to namespace printable elements */
var shivNamespace = 'html5shiv';
/** Detect whether the browser supports shivable style sheets */
var supportsShivableSheets = !supportsUnknownElements && (function() {
// assign a false negative if unable to shiv
var docEl = document.documentElement;
return !(
typeof document.namespaces == 'undefined' ||
typeof document.parentWindow == 'undefined' ||
typeof docEl.applyElement == 'undefined' ||
typeof docEl.removeNode == 'undefined' ||
typeof window.attachEvent == 'undefined'
);
}());
/*--------------------------------------------------------------------------*/
/**
* Wraps all HTML5 elements in the given document with printable elements.
* (eg. the "header" element is wrapped with the "html5shiv:header" element)
* @private
* @param {Document} ownerDocument The document.
* @returns {Array} An array wrappers added.
*/
function addWrappers(ownerDocument) {
var node,
nodes = ownerDocument.getElementsByTagName('*'),
index = nodes.length,
reElements = RegExp('^(?:' + getElements().join('|') + ')$', 'i'),
result = [];
while (index--) {
node = nodes[index];
if (reElements.test(node.nodeName)) {
result.push(node.applyElement(createWrapper(node)));
}
}
return result;
}
/**
* Creates a printable wrapper for the given element.
* @private
* @param {Element} element The element.
* @returns {Element} The wrapper.
*/
function createWrapper(element) {
var node,
nodes = element.attributes,
index = nodes.length,
wrapper = element.ownerDocument.createElement(shivNamespace + ':' + element.nodeName);
// copy element attributes to the wrapper
while (index--) {
node = nodes[index];
node.specified && wrapper.setAttribute(node.nodeName, node.nodeValue);
}
// copy element styles to the wrapper
wrapper.style.cssText = element.style.cssText;
return wrapper;
}
/**
* Shivs the given CSS text.
* (eg. header{} becomes html5shiv\:header{})
* @private
* @param {String} cssText The CSS text to shiv.
* @returns {String} The shived CSS text.
*/
function shivCssText(cssText) {
var pair,
parts = cssText.split('{'),
index = parts.length,
reElements = RegExp('(^|[\\s,>+~])(' + getElements().join('|') + ')(?=[[\\s,>+~#.:]|$)', 'gi'),
replacement = '$1' + shivNamespace + '\\:$2';
while (index--) {
pair = parts[index] = parts[index].split('}');
pair[pair.length - 1] = pair[pair.length - 1].replace(reElements, replacement);
parts[index] = pair.join('}');
}
return parts.join('{');
}
/**
* Removes the given wrappers, leaving the original elements.
* @private
* @params {Array} wrappers An array of printable wrappers.
*/
function removeWrappers(wrappers) {
var index = wrappers.length;
while (index--) {
wrappers[index].removeNode();
}
}
/*--------------------------------------------------------------------------*/
/**
* Shivs the given document for print.
* @memberOf html5
* @param {Document} ownerDocument The document to shiv.
* @returns {Document} The shived document.
*/
function shivPrint(ownerDocument) {
var shivedSheet,
wrappers,
data = getExpandoData(ownerDocument),
namespaces = ownerDocument.namespaces,
ownerWindow = ownerDocument.parentWindow;
if (!supportsShivableSheets || ownerDocument.printShived) {
return ownerDocument;
}
if (typeof namespaces[shivNamespace] == 'undefined') {
namespaces.add(shivNamespace);
}
function removeSheet() {
clearTimeout(data._removeSheetTimer);
if (shivedSheet) {
shivedSheet.removeNode(true);
}
shivedSheet= null;
}
ownerWindow.attachEvent('onbeforeprint', function() {
removeSheet();
var imports,
length,
sheet,
collection = ownerDocument.styleSheets,
cssText = [],
index = collection.length,
sheets = Array(index);
// convert styleSheets collection to an array
while (index--) {
sheets[index] = collection[index];
}
// concat all style sheet CSS text
while ((sheet = sheets.pop())) {
// IE does not enforce a same origin policy for external style sheets...
// but has trouble with some dynamically created stylesheets
if (!sheet.disabled && reMedia.test(sheet.media)) {
try {
imports = sheet.imports;
length = imports.length;
} catch(er){
length = 0;
}
for (index = 0; index < length; index++) {
sheets.push(imports[index]);
}
try {
cssText.push(sheet.cssText);
} catch(er){}
}
}
// wrap all HTML5 elements with printable elements and add the shived style sheet
cssText = shivCssText(cssText.reverse().join(''));
wrappers = addWrappers(ownerDocument);
shivedSheet = addStyleSheet(ownerDocument, cssText);
});
ownerWindow.attachEvent('onafterprint', function() {
// remove wrappers, leaving the original elements, and remove the shived style sheet
removeWrappers(wrappers);
clearTimeout(data._removeSheetTimer);
data._removeSheetTimer = setTimeout(removeSheet, 500);
});
ownerDocument.printShived = true;
return ownerDocument;
}
/*--------------------------------------------------------------------------*/
// expose API
html5.type += ' print';
html5.shivPrint = shivPrint;
// shiv for print
shivPrint(document);
if(typeof module == 'object' && module.exports){
module.exports = html5;
}
}(typeof window !== "undefined" ? window : this, document));