element,
- // itself wrapped inside a element, window.getSelection().toString()
- // does not contain any line breaks. So we need to get them back using the
- // rendered code in the DOM as reference.
- function edgeGetSelectedCodeLines(selection) {
- // current selected text without line breaks
- var selectionText = selection.toString();
-
- // get the | element wrapping the first line of selected code
- var tdAnchor = selection.anchorNode;
- while (tdAnchor.nodeName !== 'TD') {
- tdAnchor = tdAnchor.parentNode;
- }
-
- // get the | element wrapping the last line of selected code
- var tdFocus = selection.focusNode;
- while (tdFocus.nodeName !== 'TD') {
- tdFocus = tdFocus.parentNode;
- }
-
- // extract line numbers
- var firstLineNumber = parseInt(tdAnchor.dataset.lineNumber);
- var lastLineNumber = parseInt(tdFocus.dataset.lineNumber);
-
- // multi-lines copied case
- if (firstLineNumber != lastLineNumber) {
-
- var firstLineText = tdAnchor.textContent;
- var lastLineText = tdFocus.textContent;
-
- // if the selection was made backward, swap values
- if (firstLineNumber > lastLineNumber) {
- var tmp = firstLineNumber;
- firstLineNumber = lastLineNumber;
- lastLineNumber = tmp;
- tmp = firstLineText;
- firstLineText = lastLineText;
- lastLineText = tmp;
- }
-
- // discard not copied characters in first line
- while (selectionText.indexOf(firstLineText) !== 0) {
- firstLineText = firstLineText.slice(1);
- }
-
- // discard not copied characters in last line
- while (selectionText.lastIndexOf(lastLineText) === -1) {
- lastLineText = lastLineText.slice(0, -1);
- }
-
- // reconstruct and return the real copied text
- var selectedText = firstLineText;
- var hljsLnTable = getHljsLnTable(tdAnchor);
- for (var i = firstLineNumber + 1 ; i < lastLineNumber ; ++i) {
- var codeLineSel = format('.{0}[{1}="{2}"]', [CODE_BLOCK_NAME, DATA_ATTR_NAME, i]);
- var codeLineElt = hljsLnTable.querySelector(codeLineSel);
- selectedText += '\n' + codeLineElt.textContent;
- }
- selectedText += '\n' + lastLineText;
- return selectedText;
- // single copied line case
- } else {
- return selectionText;
- }
- }
-
- // ensure consistent code copy/paste behavior across all browsers
- // (see https://github.com/wcoder/highlightjs-line-numbers.js/issues/51)
- document.addEventListener('copy', function(e) {
- // get current selection
- var selection = window.getSelection();
- // override behavior when one wants to copy line of codes
- if (isHljsLnCodeDescendant(selection.anchorNode)) {
- var selectionText;
- // workaround an issue with Microsoft Edge as copied line breaks
- // are removed otherwise from the selection string
- if (window.navigator.userAgent.indexOf('Edge') !== -1) {
- selectionText = edgeGetSelectedCodeLines(selection);
- } else {
- // other browsers can directly use the selection string
- selectionText = selection.toString();
- }
- e.clipboardData.setData(
- 'text/plain',
- selectionText
- .replace(/(^\t)/gm, '')
- );
- e.preventDefault();
- }
- });
-
- function addStyles () {
- var css = d.createElement('style');
- css.type = 'text/css';
- css.innerHTML = format(
- '.{0}{border-collapse:collapse}' +
- '.{0} td{padding:0}' +
- '.{1}:before{content:attr({2})}',
- [
- TABLE_NAME,
- NUMBER_LINE_NAME,
- DATA_ATTR_NAME
- ]);
- d.getElementsByTagName('head')[0].appendChild(css);
- }
-
- function initLineNumbersOnLoad (options) {
- if (d.readyState === 'interactive' || d.readyState === 'complete') {
- documentReady(options);
- } else {
- w.addEventListener('DOMContentLoaded', function () {
- documentReady(options);
- });
- }
- }
-
- function documentReady (options) {
- try {
- var blocks = d.querySelectorAll('code.hljs,code.nohighlight');
-
- for (var i in blocks) {
- if (blocks.hasOwnProperty(i)) {
- if (!isPluginDisabledForBlock(blocks[i])) {
- lineNumbersBlock(blocks[i], options);
- }
- }
- }
- } catch (e) {
- w.console.error('LineNumbers error: ', e);
- }
- }
-
- function isPluginDisabledForBlock(element) {
- return element.classList.contains('nohljsln');
- }
-
- function lineNumbersBlock (element, options) {
- if (typeof element !== 'object') return;
-
- async(function () {
- element.innerHTML = lineNumbersInternal(element, options);
- });
- }
-
- function lineNumbersValue (value, options) {
- if (typeof value !== 'string') return;
-
- var element = document.createElement('code')
- element.innerHTML = value
-
- return lineNumbersInternal(element, options);
- }
-
- function lineNumbersInternal (element, options) {
-
- var internalOptions = mapOptions(element, options);
-
- duplicateMultilineNodes(element);
-
- return addLineNumbersBlockFor(element.innerHTML, internalOptions);
- }
-
- function addLineNumbersBlockFor (inputHtml, options) {
- var lines = getLines(inputHtml);
-
- // if last line contains only carriage return remove it
- if (lines[lines.length-1].trim() === '') {
- lines.pop();
- }
-
- if (lines.length > 1 || options.singleLine) {
- var html = '';
-
- for (var i = 0, l = lines.length; i < l; i++) {
- html += format(
- ' | ' +
- '| ' +
- ' | ' +
- '' +
- '{6}' +
- ' | ' +
- '
',
- [
- LINE_NAME,
- NUMBERS_BLOCK_NAME,
- NUMBER_LINE_NAME,
- DATA_ATTR_NAME,
- CODE_BLOCK_NAME,
- i + options.startFrom,
- lines[i].length > 0 ? lines[i] : ' '
- ]);
- }
-
- return format('', [ TABLE_NAME, html ]);
- }
-
- return inputHtml;
- }
-
- /**
- * @param {HTMLElement} element Code block.
- * @param {Object} options External API options.
- * @returns {Object} Internal API options.
- */
- function mapOptions (element, options) {
- options = options || {};
- return {
- singleLine: getSingleLineOption(options),
- startFrom: getStartFromOption(element, options)
- };
- }
-
- function getSingleLineOption (options) {
- var defaultValue = false;
- if (!!options.singleLine) {
- return options.singleLine;
- }
- return defaultValue;
- }
-
- function getStartFromOption (element, options) {
- var defaultValue = 1;
- var startFrom = defaultValue;
-
- if (isFinite(options.startFrom)) {
- startFrom = options.startFrom;
- }
-
- // can be overridden because local option is priority
- var value = getAttribute(element, 'data-ln-start-from');
- if (value !== null) {
- startFrom = toNumber(value, defaultValue);
- }
-
- return startFrom;
- }
-
- /**
- * Recursive method for fix multi-line elements implementation in highlight.js
- * Doing deep passage on child nodes.
- * @param {HTMLElement} element
- */
- function duplicateMultilineNodes (element) {
- var nodes = element.childNodes;
- for (var node in nodes) {
- if (nodes.hasOwnProperty(node)) {
- var child = nodes[node];
- if (getLinesCount(child.textContent) > 0) {
- if (child.childNodes.length > 0) {
- duplicateMultilineNodes(child);
- } else {
- duplicateMultilineNode(child.parentNode);
- }
- }
- }
- }
- }
-
- /**
- * Method for fix multi-line elements implementation in highlight.js
- * @param {HTMLElement} element
- */
- function duplicateMultilineNode (element) {
- var className = element.className;
-
- if ( ! /hljs-/.test(className)) return;
-
- var lines = getLines(element.innerHTML);
-
- for (var i = 0, result = ''; i < lines.length; i++) {
- var lineText = lines[i].length > 0 ? lines[i] : ' ';
- result += format('{1}\n', [ className, lineText ]);
- }
-
- element.innerHTML = result.trim();
- }
-
- function getLines (text) {
- if (text.length === 0) return [];
- return text.split(BREAK_LINE_REGEXP);
- }
-
- function getLinesCount (text) {
- return (text.trim().match(BREAK_LINE_REGEXP) || []).length;
- }
-
- ///
- /// HELPERS
- ///
-
- function async (func) {
- w.setTimeout(func, 0);
- }
-
- /**
- * {@link https://wcoder.github.io/notes/string-format-for-string-formating-in-javascript}
- * @param {string} format
- * @param {array} args
- */
- function format (format, args) {
- return format.replace(/\{(\d+)\}/g, function(m, n){
- return args[n] !== undefined ? args[n] : m;
- });
- }
-
- /**
- * @param {HTMLElement} element Code block.
- * @param {String} attrName Attribute name.
- * @returns {String} Attribute value or empty.
- */
- function getAttribute (element, attrName) {
- return element.hasAttribute(attrName) ? element.getAttribute(attrName) : null;
- }
-
- /**
- * @param {String} str Source string.
- * @param {Number} fallback Fallback value.
- * @returns Parsed number or fallback value.
- */
- function toNumber (str, fallback) {
- if (!str) return fallback;
- var number = Number(str);
- return isFinite(number) ? number : fallback;
- }
-
-}(window, document));
diff --git a/docs/scripts/third-party/hljs-line-num.js b/docs/scripts/third-party/hljs-line-num.js
deleted file mode 100644
index facdf6b..0000000
--- a/docs/scripts/third-party/hljs-line-num.js
+++ /dev/null
@@ -1 +0,0 @@
-!function(r,o){"use strict";var e,l="hljs-ln",s="hljs-ln-line",f="hljs-ln-code",c="hljs-ln-numbers",u="hljs-ln-n",h="data-line-number",n=/\r\n|\r|\n/g;function t(e){for(var n=e.toString(),t=e.anchorNode;"TD"!==t.nodeName;)t=t.parentNode;for(var r=e.focusNode;"TD"!==r.nodeName;)r=r.parentNode;var e=parseInt(t.dataset.lineNumber),o=parseInt(r.dataset.lineNumber);if(e==o)return n;var a,i=t.textContent,l=r.textContent;for(o | {6} | ',[s,c,u,h,f,a+t.startFrom,0{1}
',[l,o])}return e}function m(e){var n=e.className;if(/hljs-/.test(n)){for(var t=g(e.innerHTML),r=0,o="";r
+
+ 
