mirror of
https://github.com/showdownjs/showdown.git
synced 2024-03-22 13:30:55 +08:00
first step for reverse convert
This commit is contained in:
Estevao Soares dos Santos
parent
fd85f1f356
commit
e5d7705569
@ -23,6 +23,7 @@
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"module": true,
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"define": true,
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"window": true,
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"document": true,
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"showdown": true
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}
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}
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537
dist/showdown.js
vendored
537
dist/showdown.js
vendored
@ -1,4 +1,4 @@
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;/*! showdown v 1.8.2 - 23-11-2017 */
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;/*! showdown v 1.8.2 - 27-11-2017 */
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(function(){
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/**
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* Created by Tivie on 13-07-2015.
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@ -182,6 +182,14 @@ function allOptionsOn () {
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* Created by Tivie on 06-01-2015.
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*/
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// load dependencies
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if (typeof document === 'undefined' && typeof window === 'undefined') {
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var jsdom = require('jsdom').jsdom,
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jsdomObj = jsdom('', {}),
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window = jsdomObj.defaultView, // jshint ignore:line
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document = window.document; // jshint ignore:line
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}
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// Private properties
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var showdown = {},
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parsers = {},
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@ -910,6 +918,31 @@ showdown.helper.encodeEmailAddress = function (mail) {
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return mail;
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};
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/**
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*
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* @param str
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* @param targetLength
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* @param padString
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* @returns {string}
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*/
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showdown.helper.padEnd = function padEnd (str, targetLength, padString) {
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'use strict';
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/*jshint bitwise: false*/
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// eslint-disable-next-line space-infix-ops
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targetLength = targetLength>>0; //floor if number or convert non-number to 0;
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/*jshint bitwise: true*/
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padString = String(padString || ' ');
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if (str.length > targetLength) {
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return String(str);
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} else {
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targetLength = targetLength - str.length;
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if (targetLength > padString.length) {
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padString += padString.repeat(targetLength / padString.length); //append to original to ensure we are longer than needed
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}
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return String(str) + padString.slice(0,targetLength);
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}
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};
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/**
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* POLYFILLS
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*/
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@ -2446,6 +2479,508 @@ showdown.Converter = function (converterOptions) {
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return text;
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};
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this.makeMarkdown = function (src) {
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// replace \r\n with \n
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src = src.replace(/\r\n/g, '\n');
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src = src.replace(/\r/g, '\n'); // old macs
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// due to an edge case, we need to find this: > <
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// to prevent removing of non silent white spaces
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// ex: <em>this is</em> <strong>sparta</strong>
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src = src.replace(/>[ \t]+</, '>¨NBSP;<');
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var doc = document.createElement('div');
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doc.innerHTML = src;
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var preList = substitutePreCodeTags(doc);
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// remove all newlines and collapse spaces
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clean(doc);
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function parseNode (node, spansOnly) {
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spansOnly = spansOnly || false;
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var txt = '';
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//indent = new Array((indentationLevel * 4) + 1).join(' ');
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// edge case of text without wrapper paragraph
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if (node.nodeType === 3) {
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return parseTxt(node);
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}
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// HTML comment
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if (node.nodeType === 8) {
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// TODO parse comments
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return '';
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}
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// process only node elements
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if (node.nodeType !== 1) {
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return '';
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}
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var tagName = node.tagName.toLowerCase();
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switch (tagName) {
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//
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// BLOCKS
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//
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case 'h1':
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if (!spansOnly) { txt = parseHeader(node, 1) + '\n\n'; }
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break;
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case 'h2':
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if (!spansOnly) { txt = parseHeader(node, 2) + '\n\n'; }
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break;
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case 'h3':
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if (!spansOnly) { txt = parseHeader(node, 3) + '\n\n'; }
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break;
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case 'h4':
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if (!spansOnly) { txt = parseHeader(node, 4) + '\n\n'; }
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break;
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case 'h5':
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if (!spansOnly) { txt = parseHeader(node, 5) + '\n\n'; }
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break;
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case 'h6':
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if (!spansOnly) { txt = parseHeader(node, 6) + '\n\n'; }
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break;
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case 'p':
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if (!spansOnly) { txt = parseParagraph(node) + '\n\n'; }
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break;
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case 'blockquote':
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if (!spansOnly) { txt = parseBlockquote(node) + '\n\n'; }
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break;
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case 'hr':
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if (!spansOnly) { txt = parseHr(node) + '\n\n'; }
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break;
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case 'ol':
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if (!spansOnly) { txt = parseList(node, 'ol') + '\n\n'; }
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break;
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case 'ul':
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if (!spansOnly) { txt = parseList(node, 'ul') + '\n\n'; }
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break;
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case 'precode':
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if (!spansOnly) { txt = parsePreCode(node) + '\n\n'; }
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break;
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case 'pre':
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if (!spansOnly) { txt = parsePre(node) + '\n\n'; }
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break;
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case 'table':
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if (!spansOnly) { txt = parseTable(node) + '\n\n'; }
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break;
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//
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// SPANS
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//
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case 'code':
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txt = parseCodeSpan(node);
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break;
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case 'em':
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case 'i':
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txt = parseEmphasis(node);
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break;
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case 'strong':
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case 'b':
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txt = parseStrong(node);
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break;
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case 'del':
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txt = parseDel(node);
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break;
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case 'a':
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txt = parseLinks(node);
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break;
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case 'img':
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txt = parseImage(node);
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break;
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default:
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txt = node.innerHTML;
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}
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return txt;
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}
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function parseTxt (node) {
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var txt = node.nodeValue;
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txt = txt.replace(/¨NBSP;/g, ' ');
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// escape markdown magic characters
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// emphasis, strong and strikethrough - can appear everywhere
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// we also escape pipe (\) because of tables
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// and escape ` because of code blocks and spans
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txt = txt.replace(/([*_~|`])/g, '\\$1');
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// escape > because of blockquotes
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txt = txt.replace(/^(\s*)>/g, '\\$1>');
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// hash character, only troublesome at the beginning of a line because of headers
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txt = txt.replace(/^#/gm, '\\#');
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// horizontal rules
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txt = txt.replace(/^(\s*)([-=]{3,})(\s*)$/, '$1\\$2$3');
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// dot, because of ordered lists, only troublesome at the beginning of a line when preceded by an integer
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txt = txt.replace(/^( {0,3}\d+)\./gm, '$1\\.');
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// + and -, at the beginning of a line becomes a list, so we need to escape them also
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txt = txt.replace(/^( {0,3})([+-])/gm, '$1\\$2');
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// images and links, ] followed by ( is problematic, so we escape it
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// same for reference style uris
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// might be a bit overzealous, but we prefer to be safe
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txt = txt.replace(/]([\s]*)\(/g, '\\]$1\\(');
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txt = txt.replace(/\[([\s\S]*)]:/g, '\\[$1\\]:');
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return txt;
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}
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function parseList (node, type) {
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var txt = '';
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if (!node.hasChildNodes()) {
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return '';
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}
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var listItems = node.childNodes,
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listItemsLenght = listItems.length,
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listNum = 1;
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for (var i = 0; i < listItemsLenght; ++i) {
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if (typeof listItems[i].tagName === 'undefined' || listItems[i].tagName.toLowerCase() !== 'li') {
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continue;
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}
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// define the bullet to use in list
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var bullet = '';
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if (type === 'ol') {
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bullet = listNum.toString() + '. ';
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} else {
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bullet = '- ';
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}
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// parse list item
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txt += bullet + parseListItem(listItems[i]);
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++listNum;
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}
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return txt.trim();
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}
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function parseListItem (node) {
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var listItemTxt = '';
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var children = node.childNodes,
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childrenLenght = children.length;
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for (var i = 0; i < childrenLenght; ++i) {
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listItemTxt += parseNode(children[i]);
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}
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// if it's only one liner, we need to add a newline at the end
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if (!/\n$/.test(listItemTxt)) {
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listItemTxt += '\n';
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} else {
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// it's multiparagraph, so we need to indent
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listItemTxt = listItemTxt
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.split('\n')
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.join('\n ')
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.replace(/^ {4}$/gm, '')
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.replace(/\n\n+/g, '\n\n');
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}
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return listItemTxt;
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}
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function parseHr () {
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return '---';
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}
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function parseBlockquote (node) {
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var txt = '';
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if (node.hasChildNodes()) {
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var children = node.childNodes,
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childrenLength = children.length;
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for (var i = 0; i < childrenLength; ++i) {
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var innerTxt = parseNode(children[i]);
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if (innerTxt === '') {
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continue;
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}
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txt += innerTxt;
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}
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}
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// cleanup
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txt = txt.trim();
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txt = '> ' + txt.split('\n').join('\n> ');
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return txt;
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}
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function parseCodeSpan (node) {
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return '`' + node.innerHTML + '`';
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}
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function parseStrong (node) {
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var txt = '';
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if (node.hasChildNodes()) {
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txt += '**';
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var children = node.childNodes,
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childrenLength = children.length;
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for (var i = 0; i < childrenLength; ++i) {
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txt += parseNode(children[i]);
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}
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txt += '**';
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}
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return txt;
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}
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function parseEmphasis (node) {
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var txt = '';
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if (node.hasChildNodes()) {
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txt += '*';
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var children = node.childNodes,
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childrenLength = children.length;
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for (var i = 0; i < childrenLength; ++i) {
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txt += parseNode(children[i]);
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}
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txt += '*';
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}
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return txt;
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}
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function parseDel (node) {
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var txt = '';
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if (node.hasChildNodes()) {
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txt += '~~';
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var children = node.childNodes,
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childrenLength = children.length;
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for (var i = 0; i < childrenLength; ++i) {
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txt += parseNode(children[i]);
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}
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txt += '~~';
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}
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return txt;
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}
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function parseLinks (node) {
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var txt = '';
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if (node.hasChildNodes() && node.hasAttribute('href')) {
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var children = node.childNodes,
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childrenLength = children.length;
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txt = '[';
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for (var i = 0; i < childrenLength; ++i) {
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txt += parseNode(children[i]);
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}
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txt += ']';
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txt += '(' + node.getAttribute('href') + ')';
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}
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return txt;
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}
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function parseImage (node) {
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var txt = '';
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if (node.hasAttribute('src')) {
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txt += '![' + node.getAttribute('alt') + ']';
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txt += '(' + node.getAttribute('src');
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if (node.hasAttribute('width') && node.hasAttribute('height')) {
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txt += ' =' + node.getAttribute('width') + 'x' + node.getAttribute('height');
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}
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if (node.hasAttribute('title')) {
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txt += ' "' + node.getAttribute('title') + '"';
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}
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txt += ')';
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}
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return txt;
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}
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function parseHeader (node, headerLevel) {
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var headerMark = new Array(headerLevel + 1).join('#'),
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txt = '';
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if (node.hasChildNodes()) {
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txt = headerMark + ' ';
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var children = node.childNodes,
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childrenLength = children.length;
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for (var i = 0; i < childrenLength; ++i) {
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txt += parseNode(children[i]);
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}
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}
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return txt;
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}
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function parseParagraph (node) {
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var txt = '';
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if (node.hasChildNodes()) {
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var children = node.childNodes,
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childrenLength = children.length;
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for (var i = 0; i < childrenLength; ++i) {
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txt += parseNode(children[i]);
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}
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}
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return txt;
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}
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function parsePreCode (node) {
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var lang = node.getAttribute('language'),
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num = node.getAttribute('precodenum');
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return '```' + lang + '\n' + preList[num] + '\n```';
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}
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function parsePre (node) {
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var num = node.getAttribute('prenum');
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return '<pre>' + preList[num] + '</pre>';
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}
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function parseTable (node) {
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var txt = '',
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tableArray = [[], []],
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headings = node.querySelectorAll('thead>tr>th'),
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rows = node.querySelectorAll('tbody>tr'),
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i, ii;
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for (i = 0; i < headings.length; ++i) {
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var headContent = parseTableCell(headings[i]),
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allign = '---';
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if (headings[i].hasAttribute('style')) {
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var style = headings[i].getAttribute('style').toLowerCase().replace(/\s/g, '');
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switch (style) {
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case 'text-align:left;':
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allign = ':---';
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break;
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case 'text-align:right;':
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allign = '---:';
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break;
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case 'text-align:center;':
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allign = ':---:';
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break;
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}
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}
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tableArray[0][i] = headContent.trim();
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tableArray[1][i] = allign;
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}
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for (i = 0; i < rows.length; ++i) {
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var r = tableArray.push([]) - 1,
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cols = rows[i].getElementsByTagName('td');
|
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|
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for (ii = 0; ii < headings.length; ++ii) {
|
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var cellContent = ' ';
|
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if (typeof cols[ii] !== 'undefined') {
|
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cellContent = parseTableCell(cols[ii]);
|
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}
|
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tableArray[r].push(cellContent);
|
||||
}
|
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}
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|
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var cellSpacesCount = 3;
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for (i = 0; i < tableArray.length; ++i) {
|
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for (ii = 0; ii < tableArray[i].length; ++ii) {
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var strLen = tableArray[i][ii].length;
|
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if (strLen > cellSpacesCount) {
|
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cellSpacesCount = strLen;
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||||
}
|
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}
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||||
}
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for (i = 0; i < tableArray.length; ++i) {
|
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for (ii = 0; ii < tableArray[i].length; ++ii) {
|
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if (i === 1) {
|
||||
if (tableArray[i][ii].slice(-1) === ':') {
|
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tableArray[i][ii] = showdown.helper.padEnd(tableArray[i][ii].slice(-1), cellSpacesCount - 1, '-') + ':';
|
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} else {
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tableArray[i][ii] = showdown.helper.padEnd(tableArray[i][ii], cellSpacesCount, '-');
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||||
}
|
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} else {
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tableArray[i][ii] = showdown.helper.padEnd(tableArray[i][ii], cellSpacesCount);
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}
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}
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txt += '| ' + tableArray[i].join(' | ') + ' |\n';
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}
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return txt.trim();
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}
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|
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function parseTableCell (node) {
|
||||
var txt = '';
|
||||
if (!node.hasChildNodes()) {
|
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return '';
|
||||
}
|
||||
var children = node.childNodes,
|
||||
childrenLength = children.length;
|
||||
|
||||
for (var i = 0; i < childrenLength; ++i) {
|
||||
txt += parseNode(children[i], true);
|
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}
|
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return txt.trim();
|
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}
|
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function clean (node) {
|
||||
for (var n = 0; n < node.childNodes.length; ++n) {
|
||||
var child = node.childNodes[n];
|
||||
if (child.nodeType === 3) {
|
||||
if (!/\S/.test(child.nodeValue)) {
|
||||
node.removeChild(child);
|
||||
--n;
|
||||
} else {
|
||||
child.nodeValue = child.nodeValue.split('\n').join(' ');
|
||||
child.nodeValue = child.nodeValue.replace(/(\s)+/g, '$1');
|
||||
}
|
||||
} else if (child.nodeType === 1) {
|
||||
clean(child);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// find all pre tags and replace contents with placeholder
|
||||
// we need this so that we can remove all indentation from html
|
||||
// to ease up parsing
|
||||
function substitutePreCodeTags (doc) {
|
||||
|
||||
var pres = doc.querySelectorAll('pre'),
|
||||
presPH = [];
|
||||
|
||||
for (var i = 0; i < pres.length; ++i) {
|
||||
|
||||
if (pres[i].childElementCount === 1 && pres[i].firstChild.tagName.toLowerCase() === 'code') {
|
||||
var content = pres[i].firstChild.innerHTML,
|
||||
language = pres[i].firstChild.getAttribute('data-language') || '';
|
||||
presPH.push(content);
|
||||
pres[i].outerHTML = '<precode language="' + language + '" precodenum="' + i.toString() + '"></precode>';
|
||||
} else {
|
||||
presPH.push(pres[i].innerHTML);
|
||||
pres[i].innerHTML = '';
|
||||
pres[i].setAttribute('prenum', i.toString());
|
||||
}
|
||||
}
|
||||
return presPH;
|
||||
}
|
||||
|
||||
var nodes = doc.childNodes,
|
||||
mdDoc = '';
|
||||
|
||||
for (var i = 0; i < nodes.length; i++) {
|
||||
mdDoc += parseNode(nodes[i]);
|
||||
}
|
||||
|
||||
return mdDoc;
|
||||
};
|
||||
|
||||
/**
|
||||
* Set an option of this Converter instance
|
||||
* @param {string} key
|
||||
|
||||
2
dist/showdown.js.map
vendored
2
dist/showdown.js.map
vendored
File diff suppressed because one or more lines are too long
4
dist/showdown.min.js
vendored
4
dist/showdown.min.js
vendored
File diff suppressed because one or more lines are too long
2
dist/showdown.min.js.map
vendored
2
dist/showdown.min.js.map
vendored
File diff suppressed because one or more lines are too long
@ -59,6 +59,7 @@
|
||||
"source-map-support": "^0.5.0"
|
||||
},
|
||||
"dependencies": {
|
||||
"jsdom": "^9.12.0",
|
||||
"yargs": "^10.0.3"
|
||||
}
|
||||
}
|
||||
|
||||
502
src/converter.js
502
src/converter.js
@ -322,6 +322,508 @@ showdown.Converter = function (converterOptions) {
|
||||
return text;
|
||||
};
|
||||
|
||||
this.makeMarkdown = function (src) {
|
||||
|
||||
// replace \r\n with \n
|
||||
src = src.replace(/\r\n/g, '\n');
|
||||
src = src.replace(/\r/g, '\n'); // old macs
|
||||
|
||||
// due to an edge case, we need to find this: > <
|
||||
// to prevent removing of non silent white spaces
|
||||
// ex: <em>this is</em> <strong>sparta</strong>
|
||||
src = src.replace(/>[ \t]+</, '>¨NBSP;<');
|
||||
|
||||
var doc = document.createElement('div');
|
||||
doc.innerHTML = src;
|
||||
|
||||
var preList = substitutePreCodeTags(doc);
|
||||
|
||||
// remove all newlines and collapse spaces
|
||||
clean(doc);
|
||||
|
||||
function parseNode (node, spansOnly) {
|
||||
|
||||
spansOnly = spansOnly || false;
|
||||
|
||||
var txt = '';
|
||||
//indent = new Array((indentationLevel * 4) + 1).join(' ');
|
||||
|
||||
// edge case of text without wrapper paragraph
|
||||
if (node.nodeType === 3) {
|
||||
return parseTxt(node);
|
||||
}
|
||||
|
||||
// HTML comment
|
||||
if (node.nodeType === 8) {
|
||||
// TODO parse comments
|
||||
return '';
|
||||
}
|
||||
|
||||
// process only node elements
|
||||
if (node.nodeType !== 1) {
|
||||
return '';
|
||||
}
|
||||
|
||||
var tagName = node.tagName.toLowerCase();
|
||||
|
||||
switch (tagName) {
|
||||
|
||||
//
|
||||
// BLOCKS
|
||||
//
|
||||
case 'h1':
|
||||
if (!spansOnly) { txt = parseHeader(node, 1) + '\n\n'; }
|
||||
break;
|
||||
case 'h2':
|
||||
if (!spansOnly) { txt = parseHeader(node, 2) + '\n\n'; }
|
||||
break;
|
||||
case 'h3':
|
||||
if (!spansOnly) { txt = parseHeader(node, 3) + '\n\n'; }
|
||||
break;
|
||||
case 'h4':
|
||||
if (!spansOnly) { txt = parseHeader(node, 4) + '\n\n'; }
|
||||
break;
|
||||
case 'h5':
|
||||
if (!spansOnly) { txt = parseHeader(node, 5) + '\n\n'; }
|
||||
break;
|
||||
case 'h6':
|
||||
if (!spansOnly) { txt = parseHeader(node, 6) + '\n\n'; }
|
||||
break;
|
||||
|
||||
case 'p':
|
||||
if (!spansOnly) { txt = parseParagraph(node) + '\n\n'; }
|
||||
break;
|
||||
|
||||
case 'blockquote':
|
||||
if (!spansOnly) { txt = parseBlockquote(node) + '\n\n'; }
|
||||
break;
|
||||
|
||||
case 'hr':
|
||||
if (!spansOnly) { txt = parseHr(node) + '\n\n'; }
|
||||
break;
|
||||
|
||||
case 'ol':
|
||||
if (!spansOnly) { txt = parseList(node, 'ol') + '\n\n'; }
|
||||
break;
|
||||
|
||||
case 'ul':
|
||||
if (!spansOnly) { txt = parseList(node, 'ul') + '\n\n'; }
|
||||
break;
|
||||
|
||||
case 'precode':
|
||||
if (!spansOnly) { txt = parsePreCode(node) + '\n\n'; }
|
||||
break;
|
||||
|
||||
case 'pre':
|
||||
if (!spansOnly) { txt = parsePre(node) + '\n\n'; }
|
||||
break;
|
||||
|
||||
case 'table':
|
||||
if (!spansOnly) { txt = parseTable(node) + '\n\n'; }
|
||||
break;
|
||||
|
||||
//
|
||||
// SPANS
|
||||
//
|
||||
case 'code':
|
||||
txt = parseCodeSpan(node);
|
||||
break;
|
||||
|
||||
case 'em':
|
||||
case 'i':
|
||||
txt = parseEmphasis(node);
|
||||
break;
|
||||
|
||||
case 'strong':
|
||||
case 'b':
|
||||
txt = parseStrong(node);
|
||||
break;
|
||||
|
||||
case 'del':
|
||||
txt = parseDel(node);
|
||||
break;
|
||||
|
||||
case 'a':
|
||||
txt = parseLinks(node);
|
||||
break;
|
||||
|
||||
case 'img':
|
||||
txt = parseImage(node);
|
||||
break;
|
||||
|
||||
default:
|
||||
txt = node.innerHTML;
|
||||
}
|
||||
|
||||
return txt;
|
||||
}
|
||||
|
||||
function parseTxt (node) {
|
||||
var txt = node.nodeValue;
|
||||
|
||||
txt = txt.replace(/¨NBSP;/g, ' ');
|
||||
|
||||
// escape markdown magic characters
|
||||
// emphasis, strong and strikethrough - can appear everywhere
|
||||
// we also escape pipe (\) because of tables
|
||||
// and escape ` because of code blocks and spans
|
||||
txt = txt.replace(/([*_~|`])/g, '\\$1');
|
||||
|
||||
// escape > because of blockquotes
|
||||
txt = txt.replace(/^(\s*)>/g, '\\$1>');
|
||||
|
||||
// hash character, only troublesome at the beginning of a line because of headers
|
||||
txt = txt.replace(/^#/gm, '\\#');
|
||||
|
||||
// horizontal rules
|
||||
txt = txt.replace(/^(\s*)([-=]{3,})(\s*)$/, '$1\\$2$3');
|
||||
|
||||
// dot, because of ordered lists, only troublesome at the beginning of a line when preceded by an integer
|
||||
txt = txt.replace(/^( {0,3}\d+)\./gm, '$1\\.');
|
||||
|
||||
// + and -, at the beginning of a line becomes a list, so we need to escape them also
|
||||
txt = txt.replace(/^( {0,3})([+-])/gm, '$1\\$2');
|
||||
|
||||
// images and links, ] followed by ( is problematic, so we escape it
|
||||
// same for reference style uris
|
||||
// might be a bit overzealous, but we prefer to be safe
|
||||
txt = txt.replace(/]([\s]*)\(/g, '\\]$1\\(');
|
||||
txt = txt.replace(/\[([\s\S]*)]:/g, '\\[$1\\]:');
|
||||
|
||||
return txt;
|
||||
}
|
||||
|
||||
function parseList (node, type) {
|
||||
var txt = '';
|
||||
if (!node.hasChildNodes()) {
|
||||
return '';
|
||||
}
|
||||
var listItems = node.childNodes,
|
||||
listItemsLenght = listItems.length,
|
||||
listNum = 1;
|
||||
|
||||
for (var i = 0; i < listItemsLenght; ++i) {
|
||||
if (typeof listItems[i].tagName === 'undefined' || listItems[i].tagName.toLowerCase() !== 'li') {
|
||||
continue;
|
||||
}
|
||||
|
||||
// define the bullet to use in list
|
||||
var bullet = '';
|
||||
if (type === 'ol') {
|
||||
bullet = listNum.toString() + '. ';
|
||||
} else {
|
||||
bullet = '- ';
|
||||
}
|
||||
|
||||
// parse list item
|
||||
txt += bullet + parseListItem(listItems[i]);
|
||||
++listNum;
|
||||
}
|
||||
|
||||
return txt.trim();
|
||||
}
|
||||
|
||||
function parseListItem (node) {
|
||||
var listItemTxt = '';
|
||||
|
||||
var children = node.childNodes,
|
||||
childrenLenght = children.length;
|
||||
|
||||
for (var i = 0; i < childrenLenght; ++i) {
|
||||
listItemTxt += parseNode(children[i]);
|
||||
}
|
||||
// if it's only one liner, we need to add a newline at the end
|
||||
if (!/\n$/.test(listItemTxt)) {
|
||||
listItemTxt += '\n';
|
||||
} else {
|
||||
// it's multiparagraph, so we need to indent
|
||||
listItemTxt = listItemTxt
|
||||
.split('\n')
|
||||
.join('\n ')
|
||||
.replace(/^ {4}$/gm, '')
|
||||
.replace(/\n\n+/g, '\n\n');
|
||||
}
|
||||
|
||||
return listItemTxt;
|
||||
}
|
||||
|
||||
function parseHr () {
|
||||
return '---';
|
||||
}
|
||||
|
||||
function parseBlockquote (node) {
|
||||
var txt = '';
|
||||
if (node.hasChildNodes()) {
|
||||
var children = node.childNodes,
|
||||
childrenLength = children.length;
|
||||
|
||||
for (var i = 0; i < childrenLength; ++i) {
|
||||
var innerTxt = parseNode(children[i]);
|
||||
|
||||
if (innerTxt === '') {
|
||||
continue;
|
||||
}
|
||||
txt += innerTxt;
|
||||
}
|
||||
}
|
||||
// cleanup
|
||||
txt = txt.trim();
|
||||
txt = '> ' + txt.split('\n').join('\n> ');
|
||||
return txt;
|
||||
}
|
||||
|
||||
function parseCodeSpan (node) {
|
||||
return '`' + node.innerHTML + '`';
|
||||
}
|
||||
|
||||
function parseStrong (node) {
|
||||
var txt = '';
|
||||
if (node.hasChildNodes()) {
|
||||
txt += '**';
|
||||
var children = node.childNodes,
|
||||
childrenLength = children.length;
|
||||
for (var i = 0; i < childrenLength; ++i) {
|
||||
txt += parseNode(children[i]);
|
||||
}
|
||||
txt += '**';
|
||||
}
|
||||
return txt;
|
||||
}
|
||||
|
||||
function parseEmphasis (node) {
|
||||
var txt = '';
|
||||
if (node.hasChildNodes()) {
|
||||
txt += '*';
|
||||
var children = node.childNodes,
|
||||
childrenLength = children.length;
|
||||
for (var i = 0; i < childrenLength; ++i) {
|
||||
txt += parseNode(children[i]);
|
||||
}
|
||||
txt += '*';
|
||||
}
|
||||
return txt;
|
||||
}
|
||||
|
||||
function parseDel (node) {
|
||||
var txt = '';
|
||||
if (node.hasChildNodes()) {
|
||||
txt += '~~';
|
||||
var children = node.childNodes,
|
||||
childrenLength = children.length;
|
||||
for (var i = 0; i < childrenLength; ++i) {
|
||||
txt += parseNode(children[i]);
|
||||
}
|
||||
txt += '~~';
|
||||
}
|
||||
return txt;
|
||||
}
|
||||
|
||||
function parseLinks (node) {
|
||||
var txt = '';
|
||||
if (node.hasChildNodes() && node.hasAttribute('href')) {
|
||||
var children = node.childNodes,
|
||||
childrenLength = children.length;
|
||||
txt = '[';
|
||||
for (var i = 0; i < childrenLength; ++i) {
|
||||
txt += parseNode(children[i]);
|
||||
}
|
||||
txt += ']';
|
||||
txt += '(' + node.getAttribute('href') + ')';
|
||||
}
|
||||
return txt;
|
||||
}
|
||||
|
||||
function parseImage (node) {
|
||||
var txt = '';
|
||||
if (node.hasAttribute('src')) {
|
||||
txt += '![' + node.getAttribute('alt') + ']';
|
||||
txt += '(' + node.getAttribute('src');
|
||||
if (node.hasAttribute('width') && node.hasAttribute('height')) {
|
||||
txt += ' =' + node.getAttribute('width') + 'x' + node.getAttribute('height');
|
||||
}
|
||||
|
||||
if (node.hasAttribute('title')) {
|
||||
txt += ' "' + node.getAttribute('title') + '"';
|
||||
}
|
||||
txt += ')';
|
||||
}
|
||||
return txt;
|
||||
}
|
||||
|
||||
function parseHeader (node, headerLevel) {
|
||||
var headerMark = new Array(headerLevel + 1).join('#'),
|
||||
txt = '';
|
||||
|
||||
if (node.hasChildNodes()) {
|
||||
txt = headerMark + ' ';
|
||||
var children = node.childNodes,
|
||||
childrenLength = children.length;
|
||||
|
||||
for (var i = 0; i < childrenLength; ++i) {
|
||||
txt += parseNode(children[i]);
|
||||
}
|
||||
}
|
||||
return txt;
|
||||
}
|
||||
|
||||
function parseParagraph (node) {
|
||||
var txt = '';
|
||||
if (node.hasChildNodes()) {
|
||||
var children = node.childNodes,
|
||||
childrenLength = children.length;
|
||||
for (var i = 0; i < childrenLength; ++i) {
|
||||
txt += parseNode(children[i]);
|
||||
}
|
||||
}
|
||||
return txt;
|
||||
}
|
||||
|
||||
function parsePreCode (node) {
|
||||
var lang = node.getAttribute('language'),
|
||||
num = node.getAttribute('precodenum');
|
||||
return '```' + lang + '\n' + preList[num] + '\n```';
|
||||
}
|
||||
|
||||
function parsePre (node) {
|
||||
var num = node.getAttribute('prenum');
|
||||
return '<pre>' + preList[num] + '</pre>';
|
||||
}
|
||||
|
||||
function parseTable (node) {
|
||||
|
||||
var txt = '',
|
||||
tableArray = [[], []],
|
||||
headings = node.querySelectorAll('thead>tr>th'),
|
||||
rows = node.querySelectorAll('tbody>tr'),
|
||||
i, ii;
|
||||
for (i = 0; i < headings.length; ++i) {
|
||||
var headContent = parseTableCell(headings[i]),
|
||||
allign = '---';
|
||||
|
||||
if (headings[i].hasAttribute('style')) {
|
||||
var style = headings[i].getAttribute('style').toLowerCase().replace(/\s/g, '');
|
||||
switch (style) {
|
||||
case 'text-align:left;':
|
||||
allign = ':---';
|
||||
break;
|
||||
case 'text-align:right;':
|
||||
allign = '---:';
|
||||
break;
|
||||
case 'text-align:center;':
|
||||
allign = ':---:';
|
||||
break;
|
||||
}
|
||||
}
|
||||
tableArray[0][i] = headContent.trim();
|
||||
tableArray[1][i] = allign;
|
||||
}
|
||||
|
||||
for (i = 0; i < rows.length; ++i) {
|
||||
var r = tableArray.push([]) - 1,
|
||||
cols = rows[i].getElementsByTagName('td');
|
||||
|
||||
for (ii = 0; ii < headings.length; ++ii) {
|
||||
var cellContent = ' ';
|
||||
if (typeof cols[ii] !== 'undefined') {
|
||||
cellContent = parseTableCell(cols[ii]);
|
||||
}
|
||||
tableArray[r].push(cellContent);
|
||||
}
|
||||
}
|
||||
|
||||
var cellSpacesCount = 3;
|
||||
for (i = 0; i < tableArray.length; ++i) {
|
||||
for (ii = 0; ii < tableArray[i].length; ++ii) {
|
||||
var strLen = tableArray[i][ii].length;
|
||||
if (strLen > cellSpacesCount) {
|
||||
cellSpacesCount = strLen;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for (i = 0; i < tableArray.length; ++i) {
|
||||
for (ii = 0; ii < tableArray[i].length; ++ii) {
|
||||
if (i === 1) {
|
||||
if (tableArray[i][ii].slice(-1) === ':') {
|
||||
tableArray[i][ii] = showdown.helper.padEnd(tableArray[i][ii].slice(-1), cellSpacesCount - 1, '-') + ':';
|
||||
} else {
|
||||
tableArray[i][ii] = showdown.helper.padEnd(tableArray[i][ii], cellSpacesCount, '-');
|
||||
}
|
||||
} else {
|
||||
tableArray[i][ii] = showdown.helper.padEnd(tableArray[i][ii], cellSpacesCount);
|
||||
}
|
||||
}
|
||||
txt += '| ' + tableArray[i].join(' | ') + ' |\n';
|
||||
}
|
||||
|
||||
return txt.trim();
|
||||
}
|
||||
|
||||
function parseTableCell (node) {
|
||||
var txt = '';
|
||||
if (!node.hasChildNodes()) {
|
||||
return '';
|
||||
}
|
||||
var children = node.childNodes,
|
||||
childrenLength = children.length;
|
||||
|
||||
for (var i = 0; i < childrenLength; ++i) {
|
||||
txt += parseNode(children[i], true);
|
||||
}
|
||||
return txt.trim();
|
||||
}
|
||||
|
||||
function clean (node) {
|
||||
for (var n = 0; n < node.childNodes.length; ++n) {
|
||||
var child = node.childNodes[n];
|
||||
if (child.nodeType === 3) {
|
||||
if (!/\S/.test(child.nodeValue)) {
|
||||
node.removeChild(child);
|
||||
--n;
|
||||
} else {
|
||||
child.nodeValue = child.nodeValue.split('\n').join(' ');
|
||||
child.nodeValue = child.nodeValue.replace(/(\s)+/g, '$1');
|
||||
}
|
||||
} else if (child.nodeType === 1) {
|
||||
clean(child);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// find all pre tags and replace contents with placeholder
|
||||
// we need this so that we can remove all indentation from html
|
||||
// to ease up parsing
|
||||
function substitutePreCodeTags (doc) {
|
||||
|
||||
var pres = doc.querySelectorAll('pre'),
|
||||
presPH = [];
|
||||
|
||||
for (var i = 0; i < pres.length; ++i) {
|
||||
|
||||
if (pres[i].childElementCount === 1 && pres[i].firstChild.tagName.toLowerCase() === 'code') {
|
||||
var content = pres[i].firstChild.innerHTML,
|
||||
language = pres[i].firstChild.getAttribute('data-language') || '';
|
||||
presPH.push(content);
|
||||
pres[i].outerHTML = '<precode language="' + language + '" precodenum="' + i.toString() + '"></precode>';
|
||||
} else {
|
||||
presPH.push(pres[i].innerHTML);
|
||||
pres[i].innerHTML = '';
|
||||
pres[i].setAttribute('prenum', i.toString());
|
||||
}
|
||||
}
|
||||
return presPH;
|
||||
}
|
||||
|
||||
var nodes = doc.childNodes,
|
||||
mdDoc = '';
|
||||
|
||||
for (var i = 0; i < nodes.length; i++) {
|
||||
mdDoc += parseNode(nodes[i]);
|
||||
}
|
||||
|
||||
return mdDoc;
|
||||
};
|
||||
|
||||
/**
|
||||
* Set an option of this Converter instance
|
||||
* @param {string} key
|
||||
|
||||
@ -350,6 +350,31 @@ showdown.helper.encodeEmailAddress = function (mail) {
|
||||
return mail;
|
||||
};
|
||||
|
||||
/**
|
||||
*
|
||||
* @param str
|
||||
* @param targetLength
|
||||
* @param padString
|
||||
* @returns {string}
|
||||
*/
|
||||
showdown.helper.padEnd = function padEnd (str, targetLength, padString) {
|
||||
'use strict';
|
||||
/*jshint bitwise: false*/
|
||||
// eslint-disable-next-line space-infix-ops
|
||||
targetLength = targetLength>>0; //floor if number or convert non-number to 0;
|
||||
/*jshint bitwise: true*/
|
||||
padString = String(padString || ' ');
|
||||
if (str.length > targetLength) {
|
||||
return String(str);
|
||||
} else {
|
||||
targetLength = targetLength - str.length;
|
||||
if (targetLength > padString.length) {
|
||||
padString += padString.repeat(targetLength / padString.length); //append to original to ensure we are longer than needed
|
||||
}
|
||||
return String(str) + padString.slice(0,targetLength);
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* POLYFILLS
|
||||
*/
|
||||
|
||||
@ -2,6 +2,14 @@
|
||||
* Created by Tivie on 06-01-2015.
|
||||
*/
|
||||
|
||||
// load dependencies
|
||||
if (typeof document === 'undefined' && typeof window === 'undefined') {
|
||||
var jsdom = require('jsdom').jsdom,
|
||||
jsdomObj = jsdom('', {}),
|
||||
window = jsdomObj.defaultView, // jshint ignore:line
|
||||
document = window.document; // jshint ignore:line
|
||||
}
|
||||
|
||||
// Private properties
|
||||
var showdown = {},
|
||||
parsers = {},
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user