', options, globals); + text = text.replace(/^[ ]{0,2}([ ]?\*[ ]?){3,}[ \t]*$/gm, key); + text = text.replace(/^[ ]{0,2}([ ]?\-[ ]?){3,}[ \t]*$/gm, key); + text = text.replace(/^[ ]{0,2}([ ]?_[ ]?){3,}[ \t]*$/gm, key); + + text = showdown.subParser('lists')(text, options, globals); + text = showdown.subParser('codeBlocks')(text, options, globals); + text = showdown.subParser('tables')(text, options, globals); + + // We already ran _HashHTMLBlocks() before, in Markdown(), but that + // was to escape raw HTML in the original Markdown source. This time, + // we're escaping the markup we've just created, so that we don't wrap + //
tags around block-level tags. + text = showdown.subParser('hashHTMLBlocks')(text, options, globals); + text = showdown.subParser('paragraphs')(text, options, globals); + + text = globals.converter._dispatch('blockGamut.after', text, options); + + return text; +}); + +showdown.subParser('blockQuotes', function (text, options, globals) { + 'use strict'; + + text = globals.converter._dispatch('blockQuotes.before', text, options); + /* + text = text.replace(/ + ( // Wrap whole match in $1 + ( + ^[ \t]*>[ \t]? // '>' at the start of a line + .+\n // rest of the first line + (.+\n)* // subsequent consecutive lines + \n* // blanks + )+ + ) + /gm, function(){...}); + */ + + text = text.replace(/((^[ \t]{0,3}>[ \t]?.+\n(.+\n)*\n*)+)/gm, function (wholeMatch, m1) { + var bq = m1; + + // attacklab: hack around Konqueror 3.5.4 bug: + // "----------bug".replace(/^-/g,"") == "bug" + bq = bq.replace(/^[ \t]*>[ \t]?/gm, '~0'); // trim one level of quoting + + // attacklab: clean up hack + bq = bq.replace(/~0/g, ''); + + bq = bq.replace(/^[ \t]+$/gm, ''); // trim whitespace-only lines + bq = showdown.subParser('githubCodeBlocks')(bq, options, globals); + bq = showdown.subParser('blockGamut')(bq, options, globals); // recurse + + bq = bq.replace(/(^|\n)/g, '$1 '); + // These leading spaces screw with
content, so we need to fix that:
+ bq = bq.replace(/(\s*[^\r]+?<\/pre>)/gm, function (wholeMatch, m1) {
+ var pre = m1;
+ // attacklab: hack around Konqueror 3.5.4 bug:
+ pre = pre.replace(/^ /mg, '~0');
+ pre = pre.replace(/~0/g, '');
+ return pre;
+ });
+
+ return showdown.subParser('hashBlock')('\n' + bq + '\n
', options, globals);
+ });
+
+ text = globals.converter._dispatch('blockQuotes.after', text, options);
+ return text;
+});
+
+/**
+ * Process Markdown `` blocks.
+ */
+showdown.subParser('codeBlocks', function (text, options, globals) {
+ 'use strict';
+
+ text = globals.converter._dispatch('codeBlocks.before', text, options);
+ /*
+ text = text.replace(text,
+ /(?:\n\n|^)
+ ( // $1 = the code block -- one or more lines, starting with a space/tab
+ (?:
+ (?:[ ]{4}|\t) // Lines must start with a tab or a tab-width of spaces - attacklab: g_tab_width
+ .*\n+
+ )+
+ )
+ (\n*[ ]{0,3}[^ \t\n]|(?=~0)) // attacklab: g_tab_width
+ /g,function(){...});
+ */
+
+ // attacklab: sentinel workarounds for lack of \A and \Z, safari\khtml bug
+ text += '~0';
+
+ var pattern = /(?:\n\n|^)((?:(?:[ ]{4}|\t).*\n+)+)(\n*[ ]{0,3}[^ \t\n]|(?=~0))/g;
+ text = text.replace(pattern, function (wholeMatch, m1, m2) {
+ var codeblock = m1,
+ nextChar = m2,
+ end = '\n';
+
+ codeblock = showdown.subParser('outdent')(codeblock);
+ codeblock = showdown.subParser('encodeCode')(codeblock);
+ codeblock = showdown.subParser('detab')(codeblock);
+ codeblock = codeblock.replace(/^\n+/g, ''); // trim leading newlines
+ codeblock = codeblock.replace(/\n+$/g, ''); // trim trailing newlines
+
+ if (options.omitExtraWLInCodeBlocks) {
+ end = '';
+ }
+
+ codeblock = '' + codeblock + end + '
';
+
+ return showdown.subParser('hashBlock')(codeblock, options, globals) + nextChar;
+ });
+
+ // attacklab: strip sentinel
+ text = text.replace(/~0/, '');
+
+ text = globals.converter._dispatch('codeBlocks.after', text, options);
+ return text;
+});
+
+/**
+ *
+ * * Backtick quotes are used for Just type foo `bar` baz at the prompt.
+ *
+ * There's no arbitrary limit to the number of backticks you
+ * can use as delimters. If you need three consecutive backticks
+ * in your code, use four for delimiters, etc.
+ *
+ * * You can use spaces to get literal backticks at the edges:
+ *
+ * ... type `` `bar` `` ...
+ *
+ * Turns to:
+ *
+ * ... type `bar` ...
+ */
+showdown.subParser('codeSpans', function (text, options, globals) {
+ 'use strict';
+
+ text = globals.converter._dispatch('codeSpans.before', text, options);
+
+ /*
+ text = text.replace(/
+ (^|[^\\]) // Character before opening ` can't be a backslash
+ (`+) // $2 = Opening run of `
+ ( // $3 = The code block
+ [^\r]*?
+ [^`] // attacklab: work around lack of lookbehind
+ )
+ \2 // Matching closer
+ (?!`)
+ /gm, function(){...});
+ */
+ text = text.replace(/(^|[^\\])(`+)([^\r]*?[^`])\2(?!`)/gm,
+ function (wholeMatch, m1, m2, m3) {
+ var c = m3;
+ c = c.replace(/^([ \t]*)/g, ''); // leading whitespace
+ c = c.replace(/[ \t]*$/g, ''); // trailing whitespace
+ c = showdown.subParser('encodeCode')(c);
+ return m1 + '' + c + '';
+ }
+ );
+
+ text = globals.converter._dispatch('codeSpans.after', text, options);
+ return text;
+});
+
+/**
+ * Convert all tabs to spaces
+ */
+showdown.subParser('detab', function (text) {
+ 'use strict';
+
+ // expand first n-1 tabs
+ text = text.replace(/\t(?=\t)/g, ' '); // g_tab_width
+
+ // replace the nth with two sentinels
+ text = text.replace(/\t/g, '~A~B');
+
+ // use the sentinel to anchor our regex so it doesn't explode
+ text = text.replace(/~B(.+?)~A/g, function (wholeMatch, m1) {
+ var leadingText = m1,
+ numSpaces = 4 - leadingText.length % 4; // g_tab_width
+
+ // there *must* be a better way to do this:
+ for (var i = 0; i < numSpaces; i++) {
+ leadingText += ' ';
+ }
+
+ return leadingText;
+ });
+
+ // clean up sentinels
+ text = text.replace(/~A/g, ' '); // g_tab_width
+ text = text.replace(/~B/g, '');
+
+ return text;
+
+});
+
+/**
+ * Smart processing for ampersands and angle brackets that need to be encoded.
+ */
+showdown.subParser('encodeAmpsAndAngles', function (text) {
+ 'use strict';
+ // Ampersand-encoding based entirely on Nat Irons's Amputator MT plugin:
+ // http://bumppo.net/projects/amputator/
+ text = text.replace(/&(?!#?[xX]?(?:[0-9a-fA-F]+|\w+);)/g, '&');
+
+ // Encode naked <'s
+ text = text.replace(/<(?![a-z\/?\$!])/gi, '<');
+
+ return text;
+});
+
+/**
+ * Returns the string, with after processing the following backslash escape sequences.
+ *
+ * attacklab: The polite way to do this is with the new escapeCharacters() function:
+ *
+ * text = escapeCharacters(text,"\\",true);
+ * text = escapeCharacters(text,"`*_{}[]()>#+-.!",true);
+ *
+ * ...but we're sidestepping its use of the (slow) RegExp constructor
+ * as an optimization for Firefox. This function gets called a LOT.
+ */
+showdown.subParser('encodeBackslashEscapes', function (text) {
+ 'use strict';
+ text = text.replace(/\\(\\)/g, showdown.helper.escapeCharactersCallback);
+ text = text.replace(/\\([`*_{}\[\]()>#+-.!])/g, showdown.helper.escapeCharactersCallback);
+ return text;
+});
+
+/**
+ * Encode/escape certain characters inside Markdown code runs.
+ * The point is that in code, these characters are literals,
+ * and lose their special Markdown meanings.
+ */
+showdown.subParser('encodeCode', function (text) {
+ 'use strict';
+
+ // Encode all ampersands; HTML entities are not
+ // entities within a Markdown code span.
+ text = text.replace(/&/g, '&');
+
+ // Do the angle bracket song and dance:
+ text = text.replace(//g, '>');
+
+ // Now, escape characters that are magic in Markdown:
+ text = showdown.helper.escapeCharacters(text, '*_{}[]\\', false);
+
+ // jj the line above breaks this:
+ //---
+ //* Item
+ // 1. Subitem
+ // special char: *
+ // ---
+
+ return text;
+});
+
+/**
+ * Input: an email address, e.g. "foo@example.com"
+ *
+ * Output: the email address as a mailto link, with each character
+ * of the address encoded as either a decimal or hex entity, in
+ * the hopes of foiling most address harvesting spam bots. E.g.:
+ *
+ * foo
+ * @example.com
+ *
+ * Based on a filter by Matthew Wickline, posted to the BBEdit-Talk
+ * mailing list:
+ *
+ */
+showdown.subParser('encodeEmailAddress', function (addr) {
+ 'use strict';
+
+ var encode = [
+ function (ch) {
+ return '&#' + ch.charCodeAt(0) + ';';
+ },
+ function (ch) {
+ return '&#x' + ch.charCodeAt(0).toString(16) + ';';
+ },
+ function (ch) {
+ return ch;
+ }
+ ];
+
+ addr = 'mailto:' + addr;
+
+ addr = addr.replace(/./g, function (ch) {
+ if (ch === '@') {
+ // this *must* be encoded. I insist.
+ ch = encode[Math.floor(Math.random() * 2)](ch);
+ } else if (ch !== ':') {
+ // leave ':' alone (to spot mailto: later)
+ var r = Math.random();
+ // roughly 10% raw, 45% hex, 45% dec
+ ch = (
+ r > 0.9 ? encode[2](ch) : r > 0.45 ? encode[1](ch) : encode[0](ch)
+ );
+ }
+ return ch;
+ });
+
+ addr = '' + addr + '';
+ addr = addr.replace(/">.+:/g, '">'); // strip the mailto: from the visible part
+
+ return addr;
+});
+
+/**
+ * Within tags -- meaning between < and > -- encode [\ ` * _] so they
+ * don't conflict with their use in Markdown for code, italics and strong.
+ */
+showdown.subParser('escapeSpecialCharsWithinTagAttributes', function (text) {
+ 'use strict';
+
+ // Build a regex to find HTML tags and comments. See Friedl's
+ // "Mastering Regular Expressions", 2nd Ed., pp. 200-201.
+ var regex = /(<[a-z\/!$]("[^"]*"|'[^']*'|[^'">])*>|)/gi;
+
+ text = text.replace(regex, function (wholeMatch) {
+ var tag = wholeMatch.replace(/(.)<\/?code>(?=.)/g, '$1`');
+ tag = showdown.helper.escapeCharacters(tag, '\\`*_', false);
+ return tag;
+ });
+
+ return text;
+});
+
+/**
+ * Handle github codeblocks prior to running HashHTML so that
+ * HTML contained within the codeblock gets escaped properly
+ * Example:
+ * ```ruby
+ * def hello_world(x)
+ * puts "Hello, #{x}"
+ * end
+ * ```
+ */
+showdown.subParser('githubCodeBlocks', function (text, options, globals) {
+ 'use strict';
+
+ // early exit if option is not enabled
+ if (!options.ghCodeBlocks) {
+ return text;
+ }
+
+ text = globals.converter._dispatch('githubCodeBlocks.before', text, options);
+
+ text += '~0';
+
+ text = text.replace(/(?:^|\n)```(.*)\n([\s\S]*?)\n```/g, function (wholeMatch, language, codeblock) {
+ var end = (options.omitExtraWLInCodeBlocks) ? '' : '\n';
+
+ codeblock = showdown.subParser('encodeCode')(codeblock);
+ codeblock = showdown.subParser('detab')(codeblock);
+ codeblock = codeblock.replace(/^\n+/g, ''); // trim leading newlines
+ codeblock = codeblock.replace(/\n+$/g, ''); // trim trailing whitespace
+
+ codeblock = '' + codeblock + end + '
';
+
+ return showdown.subParser('hashBlock')(codeblock, options, globals);
+ });
+
+ // attacklab: strip sentinel
+ text = text.replace(/~0/, '');
+
+ text = globals.converter._dispatch('githubCodeBlocks.after', text, options);
+
+ return text;
+});
+
+showdown.subParser('hashBlock', function (text, options, globals) {
+ 'use strict';
+ text = text.replace(/(^\n+|\n+$)/g, '');
+ return '\n\n~K' + (globals.gHtmlBlocks.push(text) - 1) + 'K\n\n';
+});
+
+showdown.subParser('hashElement', function (text, options, globals) {
+ 'use strict';
+
+ return function (wholeMatch, m1) {
+ var blockText = m1;
+
+ // Undo double lines
+ blockText = blockText.replace(/\n\n/g, '\n');
+ blockText = blockText.replace(/^\n/, '');
+
+ // strip trailing blank lines
+ blockText = blockText.replace(/\n+$/g, '');
+
+ // Replace the element text with a marker ("~KxK" where x is its key)
+ blockText = '\n\n~K' + (globals.gHtmlBlocks.push(blockText) - 1) + 'K\n\n';
+
+ return blockText;
+ };
+});
+
+showdown.subParser('hashHTMLBlocks', function (text, options, globals) {
+ 'use strict';
+
+ var blockTags = [
+ 'pre',
+ 'div',
+ 'h1',
+ 'h2',
+ 'h3',
+ 'h4',
+ 'h5',
+ 'h6',
+ 'blockquote',
+ 'table',
+ 'dl',
+ 'ol',
+ 'ul',
+ 'script',
+ 'noscript',
+ 'form',
+ 'fieldset',
+ 'iframe',
+ 'math',
+ 'style',
+ 'section',
+ 'header',
+ 'footer',
+ 'nav',
+ 'article',
+ 'aside',
+ 'address',
+ 'audio',
+ 'canvas',
+ 'figure',
+ 'hgroup',
+ 'output',
+ 'video',
+ 'p'
+ ],
+ repFunc = function (wholeMatch, match, left, right) {
+ var txt = wholeMatch;
+ // check if this html element is marked as markdown
+ // if so, it's contents should be parsed as markdown
+ if (left.search(/\bmarkdown\b/) !== -1) {
+ txt = left + globals.converter.makeHtml(match) + right;
+ }
+ return '\n\n~K' + (globals.gHtmlBlocks.push(txt) - 1) + 'K\n\n';
+ };
+
+ for (var i = 0; i < blockTags.length; ++i) {
+ text = showdown.helper.replaceRecursiveRegExp(text, repFunc, '^(?: |\\t){0,3}<' + blockTags[i] + '\\b[^>]*>', '', 'gim');
+ }
+
+ // HR SPECIAL CASE
+ text = text.replace(/(\n[ ]{0,3}(<(hr)\b([^<>])*?\/?>)[ \t]*(?=\n{2,}))/g,
+ showdown.subParser('hashElement')(text, options, globals));
+
+ // Special case for standalone HTML comments:
+ text = text.replace(/([ \t]*(?=\n{2,}))/g,
+ showdown.subParser('hashElement')(text, options, globals));
+
+ // PHP and ASP-style processor instructions ( and <%...%>)
+ text = text.replace(/(?:\n\n)([ ]{0,3}(?:<([?%])[^\r]*?\2>)[ \t]*(?=\n{2,}))/g,
+ showdown.subParser('hashElement')(text, options, globals));
+
+ return text;
+});
+
+/**
+ * Hash span elements that should not be parsed as markdown
+ */
+showdown.subParser('hashHTMLSpans', function (text, config, globals) {
+ 'use strict';
+
+ var matches = showdown.helper.matchRecursiveRegExp(text, ']*>', '', 'gi');
+
+ for (var i = 0; i < matches.length; ++i) {
+ text = text.replace(matches[i][0], '~L' + (globals.gHtmlSpans.push(matches[i][0]) - 1) + 'L');
+ }
+ return text;
+});
+
+/**
+ * Unhash HTML spans
+ */
+showdown.subParser('unhashHTMLSpans', function (text, config, globals) {
+ 'use strict';
+
+ for (var i = 0; i < globals.gHtmlSpans.length; ++i) {
+ text = text.replace('~L' + i + 'L', globals.gHtmlSpans[i]);
+ }
+
+ return text;
+});
+
+showdown.subParser('headers', function (text, options, globals) {
+ 'use strict';
+
+ text = globals.converter._dispatch('headers.before', text, options);
+
+ var prefixHeader = options.prefixHeaderId,
+ headerLevelStart = (isNaN(parseInt(options.headerLevelStart))) ? 1 : parseInt(options.headerLevelStart),
+
+ // Set text-style headers:
+ // Header 1
+ // ========
+ //
+ // Header 2
+ // --------
+ //
+ setextRegexH1 = (options.smoothLivePreview) ? /^(.+)[ \t]*\n={2,}[ \t]*\n+/gm : /^(.+)[ \t]*\n=+[ \t]*\n+/gm,
+ setextRegexH2 = (options.smoothLivePreview) ? /^(.+)[ \t]*\n-{2,}[ \t]*\n+/gm : /^(.+)[ \t]*\n-+[ \t]*\n+/gm;
+
+ text = text.replace(setextRegexH1, function (wholeMatch, m1) {
+
+ var spanGamut = showdown.subParser('spanGamut')(m1, options, globals),
+ hID = (options.noHeaderId) ? '' : ' id="' + headerId(m1) + '"',
+ hLevel = headerLevelStart,
+ hashBlock = '' + spanGamut + ' ';
+ return showdown.subParser('hashBlock')(hashBlock, options, globals);
+ });
+
+ text = text.replace(setextRegexH2, function (matchFound, m1) {
+ var spanGamut = showdown.subParser('spanGamut')(m1, options, globals),
+ hID = (options.noHeaderId) ? '' : ' id="' + headerId(m1) + '"',
+ hLevel = headerLevelStart + 1,
+ hashBlock = '' + spanGamut + ' ';
+ return showdown.subParser('hashBlock')(hashBlock, options, globals);
+ });
+
+ // atx-style headers:
+ // # Header 1
+ // ## Header 2
+ // ## Header 2 with closing hashes ##
+ // ...
+ // ###### Header 6
+ //
+ text = text.replace(/^(#{1,6})[ \t]*(.+?)[ \t]*#*\n+/gm, function (wholeMatch, m1, m2) {
+ var span = showdown.subParser('spanGamut')(m2, options, globals),
+ hID = (options.noHeaderId) ? '' : ' id="' + headerId(m2) + '"',
+ hLevel = headerLevelStart - 1 + m1.length,
+ header = '' + span + ' ';
+
+ return showdown.subParser('hashBlock')(header, options, globals);
+ });
+
+ function headerId(m) {
+ var title, escapedId = m.replace(/[^\w]/g, '').toLowerCase();
+
+ if (globals.hashLinkCounts[escapedId]) {
+ title = escapedId + '-' + (globals.hashLinkCounts[escapedId]++);
+ } else {
+ title = escapedId;
+ globals.hashLinkCounts[escapedId] = 1;
+ }
+
+ // Prefix id to prevent causing inadvertent pre-existing style matches.
+ if (prefixHeader === true) {
+ prefixHeader = 'section';
+ }
+
+ if (showdown.helper.isString(prefixHeader)) {
+ return prefixHeader + title;
+ }
+ return title;
+ }
+
+ text = globals.converter._dispatch('headers.after', text, options);
+ return text;
+});
+
+/**
+ * Turn Markdown image shortcuts into ![]()
tags.
+ */
+showdown.subParser('images', function (text, options, globals) {
+ 'use strict';
+
+ text = globals.converter._dispatch('images.before', text, options);
+
+ var inlineRegExp = /!\[(.*?)]\s?\([ \t]*()?(?: =([*\d]+[A-Za-z%]{0,4})x([*\d]+[A-Za-z%]{0,4}))?[ \t]*(?:(['"])(.*?)\6[ \t]*)?\)/g,
+ referenceRegExp = /!\[(.*?)][ ]?(?:\n[ ]*)?\[(.*?)]()()()()()/g;
+
+ function writeImageTag (wholeMatch, altText, linkId, url, width, height, m5, title) {
+
+ var gUrls = globals.gUrls,
+ gTitles = globals.gTitles,
+ gDims = globals.gDimensions;
+
+ linkId = linkId.toLowerCase();
+
+ if (!title) {
+ title = '';
+ }
+
+ if (url === '' || url === null) {
+ if (linkId === '' || linkId === null) {
+ // lower-case and turn embedded newlines into spaces
+ linkId = altText.toLowerCase().replace(/ ?\n/g, ' ');
+ }
+ url = '#' + linkId;
+
+ if (!showdown.helper.isUndefined(gUrls[linkId])) {
+ url = gUrls[linkId];
+ if (!showdown.helper.isUndefined(gTitles[linkId])) {
+ title = gTitles[linkId];
+ }
+ if (!showdown.helper.isUndefined(gDims[linkId])) {
+ width = gDims[linkId].width;
+ height = gDims[linkId].height;
+ }
+ } else {
+ return wholeMatch;
+ }
+ }
+
+ altText = altText.replace(/"/g, '"');
+ altText = showdown.helper.escapeCharacters(altText, '*_', false);
+ url = showdown.helper.escapeCharacters(url, '*_', false);
+ var result = '
x "optional title")
+ text = text.replace(inlineRegExp, writeImageTag);
+
+ text = globals.converter._dispatch('images.after', text, options);
+ return text;
+});
+
+showdown.subParser('italicsAndBold', function (text, options, globals) {
+ 'use strict';
+
+ text = globals.converter._dispatch('italicsAndBold.before', text, options);
+
+ if (options.literalMidWordUnderscores) {
+ //underscores
+ // Since we are consuming a \s character, we need to add it
+ text = text.replace(/(^|\s|>|\b)__(?=\S)([^]+?)__(?=\b|<|\s|$)/gm, '$1$2');
+ text = text.replace(/(^|\s|>|\b)_(?=\S)([^]+?)_(?=\b|<|\s|$)/gm, '$1$2');
+ //asterisks
+ text = text.replace(/(\*\*)(?=\S)([^\r]*?\S[*]*)\1/g, '$2');
+ text = text.replace(/(\*)(?=\S)([^\r]*?\S)\1/g, '$2');
+
+ } else {
+ // must go first:
+ text = text.replace(/(\*\*|__)(?=\S)([^\r]*?\S[*_]*)\1/g, '$2');
+ text = text.replace(/(\*|_)(?=\S)([^\r]*?\S)\1/g, '$2');
+ }
+
+ text = globals.converter._dispatch('italicsAndBold.after', text, options);
+ return text;
+});
+
+/**
+ * Form HTML ordered (numbered) and unordered (bulleted) lists.
+ */
+showdown.subParser('lists', function (text, options, globals) {
+ 'use strict';
+
+ text = globals.converter._dispatch('lists.before', text, options);
+ /**
+ * Process the contents of a single ordered or unordered list, splitting it
+ * into individual list items.
+ * @param {string} listStr
+ * @param {boolean} trimTrailing
+ * @returns {string}
+ */
+ function processListItems (listStr, trimTrailing) {
+ // The $g_list_level global keeps track of when we're inside a list.
+ // Each time we enter a list, we increment it; when we leave a list,
+ // we decrement. If it's zero, we're not in a list anymore.
+ //
+ // We do this because when we're not inside a list, we want to treat
+ // something like this:
+ //
+ // I recommend upgrading to version
+ // 8. Oops, now this line is treated
+ // as a sub-list.
+ //
+ // As a single paragraph, despite the fact that the second line starts
+ // with a digit-period-space sequence.
+ //
+ // Whereas when we're inside a list (or sub-list), that line will be
+ // treated as the start of a sub-list. What a kludge, huh? This is
+ // an aspect of Markdown's syntax that's hard to parse perfectly
+ // without resorting to mind-reading. Perhaps the solution is to
+ // change the syntax rules such that sub-lists must start with a
+ // starting cardinal number; e.g. "1." or "a.".
+ globals.gListLevel++;
+
+ // trim trailing blank lines:
+ listStr = listStr.replace(/\n{2,}$/, '\n');
+
+ // attacklab: add sentinel to emulate \z
+ listStr += '~0';
+
+ var rgx = /(\n)?(^[ \t]*)([*+-]|\d+[.])[ \t]+((\[(x| )?])?[ \t]*[^\r]+?(\n{1,2}))(?=\n*(~0|\2([*+-]|\d+[.])[ \t]+))/gm,
+ isParagraphed = (/\n[ \t]*\n(?!~0)/.test(listStr));
+
+ listStr = listStr.replace(rgx, function (wholeMatch, m1, m2, m3, m4, taskbtn, checked) {
+ checked = (checked && checked.trim() !== '');
+ var item = showdown.subParser('outdent')(m4, options, globals),
+ bulletStyle = '';
+
+ // Support for github tasklists
+ if (taskbtn && options.tasklists) {
+ bulletStyle = ' class="task-list-item" style="list-style-type: none;"';
+ item = item.replace(/^[ \t]*\[(x| )?]/m, function () {
+ var otp = ' -1)) {
+ item = showdown.subParser('githubCodeBlocks')(item, options, globals);
+ item = showdown.subParser('blockGamut')(item, options, globals);
+ } else {
+ // Recursion for sub-lists:
+ item = showdown.subParser('lists')(item, options, globals);
+ item = item.replace(/\n$/, ''); // chomp(item)
+ if (isParagraphed) {
+ item = showdown.subParser('paragraphs')(item, options, globals);
+ } else {
+ item = showdown.subParser('spanGamut')(item, options, globals);
+ }
+ }
+ item = '\n' + item + '\n';
+ return item;
+ });
+
+ // attacklab: strip sentinel
+ listStr = listStr.replace(/~0/g, '');
+
+ globals.gListLevel--;
+
+ if (trimTrailing) {
+ listStr = listStr.replace(/\s+$/, '');
+ }
+
+ return listStr;
+ }
+
+ /**
+ * Check and parse consecutive lists (better fix for issue #142)
+ * @param {string} list
+ * @param {string} listType
+ * @param {boolean} trimTrailing
+ * @returns {string}
+ */
+ function parseConsecutiveLists(list, listType, trimTrailing) {
+ // check if we caught 2 or more consecutive lists by mistake
+ // we use the counterRgx, meaning if listType is UL we look for UL and vice versa
+ var counterRxg = (listType === 'ul') ? /^ {0,2}\d+\.[ \t]/gm : /^ {0,2}[*+-][ \t]/gm,
+ subLists = [],
+ result = '';
+
+ if (list.search(counterRxg) !== -1) {
+ (function parseCL(txt) {
+ var pos = txt.search(counterRxg);
+ if (pos !== -1) {
+ // slice
+ result += '\n\n<' + listType + '>' + processListItems(txt.slice(0, pos), !!trimTrailing) + '\n\n';
+
+ // invert counterType and listType
+ listType = (listType === 'ul') ? 'ol' : 'ul';
+ counterRxg = (listType === 'ul') ? /^ {0,2}\d+\.[ \t]/gm : /^ {0,2}[*+-][ \t]/gm;
+
+ //recurse
+ parseCL(txt.slice(pos));
+ } else {
+ result += '\n\n<' + listType + '>' + processListItems(txt, !!trimTrailing) + '\n\n';
+ }
+ })(list);
+ for (var i = 0; i < subLists.length; ++i) {
+
+ }
+ } else {
+ result = '\n\n<' + listType + '>' + processListItems(list, !!trimTrailing) + '\n\n';
+ }
+
+ return result;
+ }
+
+ // attacklab: add sentinel to hack around khtml/safari bug:
+ // http://bugs.webkit.org/show_bug.cgi?id=11231
+ text += '~0';
+
+ // Re-usable pattern to match any entire ul or ol list:
+ var wholeList = /^(([ ]{0,3}([*+-]|\d+[.])[ \t]+)[^\r]+?(~0|\n{2,}(?=\S)(?![ \t]*(?:[*+-]|\d+[.])[ \t]+)))/gm;
+
+ if (globals.gListLevel) {
+ text = text.replace(wholeList, function (wholeMatch, list, m2) {
+ var listType = (m2.search(/[*+-]/g) > -1) ? 'ul' : 'ol';
+ return parseConsecutiveLists(list, listType, true);
+ });
+ } else {
+ wholeList = /(\n\n|^\n?)(([ ]{0,3}([*+-]|\d+[.])[ \t]+)[^\r]+?(~0|\n{2,}(?=\S)(?![ \t]*(?:[*+-]|\d+[.])[ \t]+)))/gm;
+ //wholeList = /(\n\n|^\n?)( {0,3}([*+-]|\d+\.)[ \t]+[\s\S]+?)(?=(~0)|(\n\n(?!\t| {2,}| {0,3}([*+-]|\d+\.)[ \t])))/g;
+ text = text.replace(wholeList, function (wholeMatch, m1, list, m3) {
+
+ var listType = (m3.search(/[*+-]/g) > -1) ? 'ul' : 'ol';
+ return parseConsecutiveLists(list, listType);
+ });
+ }
+
+ // attacklab: strip sentinel
+ text = text.replace(/~0/, '');
+
+ text = globals.converter._dispatch('lists.after', text, options);
+ return text;
+});
+
+/**
+ * Remove one level of line-leading tabs or spaces
+ */
+showdown.subParser('outdent', function (text) {
+ 'use strict';
+
+ // attacklab: hack around Konqueror 3.5.4 bug:
+ // "----------bug".replace(/^-/g,"") == "bug"
+ text = text.replace(/^(\t|[ ]{1,4})/gm, '~0'); // attacklab: g_tab_width
+
+ // attacklab: clean up hack
+ text = text.replace(/~0/g, '');
+
+ return text;
+});
+
+/**
+ *
+ */
+showdown.subParser('paragraphs', function (text, options, globals) {
+ 'use strict';
+
+ text = globals.converter._dispatch('paragraphs.before', text, options);
+ // Strip leading and trailing lines:
+ text = text.replace(/^\n+/g, '');
+ text = text.replace(/\n+$/g, '');
+
+ var grafs = text.split(/\n{2,}/g),
+ grafsOut = [],
+ end = grafs.length; // Wrap tags
+
+ for (var i = 0; i < end; i++) {
+ var str = grafs[i];
+
+ // if this is an HTML marker, copy it
+ if (str.search(/~K(\d+)K/g) >= 0) {
+ grafsOut.push(str);
+ } else if (str.search(/\S/) >= 0) {
+ str = showdown.subParser('spanGamut')(str, options, globals);
+ str = str.replace(/^([ \t]*)/g, '
');
+ str += '
';
+ grafsOut.push(str);
+ }
+ }
+
+ /** Unhashify HTML blocks */
+ end = grafsOut.length;
+ for (i = 0; i < end; i++) {
+ var blockText = '';
+ // if this is a marker for an html block...
+ while (grafsOut[i].search(/~K(\d+)K/) >= 0) {
+ blockText = globals.gHtmlBlocks[RegExp.$1];
+ blockText = blockText.replace(/\$/g, '$$$$'); // Escape any dollar signs
+ grafsOut[i] = grafsOut[i].replace(/~K\d+K/, blockText);
+ }
+ }
+
+ text = globals.converter._dispatch('paragraphs.after', text, options);
+ return grafsOut.join('\n\n');
+});
+
+/**
+ * Run extension
+ */
+showdown.subParser('runExtension', function (ext, text, options, globals) {
+ 'use strict';
+
+ if (ext.filter) {
+ text = ext.filter(text, globals.converter, options);
+
+ } else if (ext.regex) {
+ // TODO remove this when old extension loading mechanism is deprecated
+ var re = ext.regex;
+ if (!re instanceof RegExp) {
+ re = new RegExp(re, 'g');
+ }
+ text = text.replace(re, ext.replace);
+ }
+
+ return text;
+});
+
+/**
+ * These are all the transformations that occur *within* block-level
+ * tags like paragraphs, headers, and list items.
+ */
+showdown.subParser('spanGamut', function (text, options, globals) {
+ 'use strict';
+
+ text = globals.converter._dispatch('spanGamut.before', text, options);
+ text = showdown.subParser('codeSpans')(text, options, globals);
+ text = showdown.subParser('escapeSpecialCharsWithinTagAttributes')(text, options, globals);
+ text = showdown.subParser('encodeBackslashEscapes')(text, options, globals);
+
+ // Process anchor and image tags. Images must come first,
+ // because ![foo][f] looks like an anchor.
+ text = showdown.subParser('images')(text, options, globals);
+ text = showdown.subParser('anchors')(text, options, globals);
+
+ // Make links out of things like `).
+ text = showdown.subParser('autoLinks')(text, options, globals);
+ text = showdown.subParser('encodeAmpsAndAngles')(text, options, globals);
+ text = showdown.subParser('italicsAndBold')(text, options, globals);
+ text = showdown.subParser('strikethrough')(text, options, globals);
+
+ // Do hard breaks:
+ text = text.replace(/ +\n/g, '
\n');
+
+ text = globals.converter._dispatch('spanGamut.after', text, options);
+ return text;
+});
+
+showdown.subParser('strikethrough', function (text, options, globals) {
+ 'use strict';
+
+ if (options.strikethrough) {
+ text = globals.converter._dispatch('strikethrough.before', text, options);
+ text = text.replace(/(?:~T){2}([\s\S]+?)(?:~T){2}/g, '$1');
+ text = globals.converter._dispatch('strikethrough.after', text, options);
+ }
+
+ return text;
+});
+
+/**
+ * Strip any lines consisting only of spaces and tabs.
+ * This makes subsequent regexs easier to write, because we can
+ * match consecutive blank lines with /\n+/ instead of something
+ * contorted like /[ \t]*\n+/
+ */
+showdown.subParser('stripBlankLines', function (text) {
+ 'use strict';
+ return text.replace(/^[ \t]+$/mg, '');
+});
+
+/**
+ * Strips link definitions from text, stores the URLs and titles in
+ * hash references.
+ * Link defs are in the form: ^[id]: url "optional title"
+ *
+ * ^[ ]{0,3}\[(.+)\]: // id = $1 attacklab: g_tab_width - 1
+ * [ \t]*
+ * \n? // maybe *one* newline
+ * [ \t]*
+ * ? // url = $2
+ * [ \t]*
+ * \n? // maybe one newline
+ * [ \t]*
+ * (?:
+ * (\n*) // any lines skipped = $3 attacklab: lookbehind removed
+ * ["(]
+ * (.+?) // title = $4
+ * [")]
+ * [ \t]*
+ * )? // title is optional
+ * (?:\n+|$)
+ * /gm,
+ * function(){...});
+ *
+ */
+showdown.subParser('stripLinkDefinitions', function (text, options, globals) {
+ 'use strict';
+
+ var regex = /^ {0,3}\[(.+)]:[ \t]*\n?[ \t]*?(?: =([*\d]+[A-Za-z%]{0,4})x([*\d]+[A-Za-z%]{0,4}))?[ \t]*\n?[ \t]*(?:(\n*)["|'(](.+?)["|')][ \t]*)?(?:\n+|(?=~0))/gm;
+
+ // attacklab: sentinel workarounds for lack of \A and \Z, safari\khtml bug
+ text += '~0';
+
+ text = text.replace(regex, function (wholeMatch, linkId, url, width, height, blankLines, title) {
+ linkId = linkId.toLowerCase();
+ globals.gUrls[linkId] = showdown.subParser('encodeAmpsAndAngles')(url); // Link IDs are case-insensitive
+
+ if (blankLines) {
+ // Oops, found blank lines, so it's not a title.
+ // Put back the parenthetical statement we stole.
+ return blankLines + title;
+
+ } else {
+ if (title) {
+ globals.gTitles[linkId] = title.replace(/"|'/g, '"');
+ }
+ if (options.parseImgDimensions && width && height) {
+ globals.gDimensions[linkId] = {
+ width: width,
+ height: height
+ };
+ }
+ }
+ // Completely remove the definition from the text
+ return '';
+ });
+
+ // attacklab: strip sentinel
+ text = text.replace(/~0/, '');
+
+ return text;
+});
+
+showdown.subParser('tables', function (text, options, globals) {
+ 'use strict';
+
+ var table = function () {
+
+ var tables = {},
+ filter;
+
+ tables.th = function (header, style) {
+ var id = '';
+ header = header.trim();
+ if (header === '') {
+ return '';
+ }
+ if (options.tableHeaderId) {
+ id = ' id="' + header.replace(/ /g, '_').toLowerCase() + '"';
+ }
+ header = showdown.subParser('spanGamut')(header, options, globals);
+ if (!style || style.trim() === '') {
+ style = '';
+ } else {
+ style = ' style="' + style + '"';
+ }
+ return '' + header + '';
+ };
+
+ tables.td = function (cell, style) {
+ var subText = showdown.subParser('spanGamut')(cell.trim(), options, globals);
+ if (!style || style.trim() === '') {
+ style = '';
+ } else {
+ style = ' style="' + style + '"';
+ }
+ return '' + subText + '';
+ };
+
+ tables.ths = function () {
+ var out = '',
+ i = 0,
+ hs = [].slice.apply(arguments[0]),
+ style = [].slice.apply(arguments[1]);
+
+ for (i; i < hs.length; i += 1) {
+ out += tables.th(hs[i], style[i]) + '\n';
+ }
+
+ return out;
+ };
+
+ tables.tds = function () {
+ var out = '',
+ i = 0,
+ ds = [].slice.apply(arguments[0]),
+ style = [].slice.apply(arguments[1]);
+
+ for (i; i < ds.length; i += 1) {
+ out += tables.td(ds[i], style[i]) + '\n';
+ }
+ return out;
+ };
+
+ tables.thead = function () {
+ var out,
+ hs = [].slice.apply(arguments[0]),
+ style = [].slice.apply(arguments[1]);
+
+ out = '\n';
+ out += '\n';
+ out += tables.ths.apply(this, [hs, style]);
+ out += ' \n';
+ out += '\n';
+ return out;
+ };
+
+ tables.tr = function () {
+ var out,
+ cs = [].slice.apply(arguments[0]),
+ style = [].slice.apply(arguments[1]);
+
+ out = '\n';
+ out += tables.tds.apply(this, [cs, style]);
+ out += ' \n';
+ return out;
+ };
+
+ filter = function (text) {
+ var i = 0,
+ lines = text.split('\n'),
+ line,
+ hs,
+ out = [];
+
+ for (i; i < lines.length; i += 1) {
+ line = lines[i];
+ // looks like a table heading
+ if (line.trim().match(/^[|].*[|]$/)) {
+ line = line.trim();
+
+ var tbl = [],
+ align = lines[i + 1].trim(),
+ styles = [],
+ j = 0;
+
+ if (align.match(/^[|][-=|: ]+[|]$/)) {
+ styles = align.substring(1, align.length - 1).split('|');
+ for (j = 0; j < styles.length; ++j) {
+ styles[j] = styles[j].trim();
+ if (styles[j].match(/^[:][-=| ]+[:]$/)) {
+ styles[j] = 'text-align:center;';
+
+ } else if (styles[j].match(/^[-=| ]+[:]$/)) {
+ styles[j] = 'text-align:right;';
+
+ } else if (styles[j].match(/^[:][-=| ]+$/)) {
+ styles[j] = 'text-align:left;';
+ } else {
+ styles[j] = '';
+ }
+ }
+ }
+ tbl.push('');
+ hs = line.substring(1, line.length - 1).split('|');
+
+ if (styles.length === 0) {
+ for (j = 0; j < hs.length; ++j) {
+ styles.push('text-align:left');
+ }
+ }
+ tbl.push(tables.thead.apply(this, [hs, styles]));
+ line = lines[++i];
+ if (!line.trim().match(/^[|][-=|: ]+[|]$/)) {
+ // not a table rolling back
+ line = lines[--i];
+ } else {
+ line = lines[++i];
+ tbl.push('');
+ while (line.trim().match(/^[|].*[|]$/)) {
+ line = line.trim();
+ tbl.push(tables.tr.apply(this, [line.substring(1, line.length - 1).split('|'), styles]));
+ line = lines[++i];
+ }
+ tbl.push('');
+ tbl.push('
');
+ // we are done with this table and we move along
+ out.push(tbl.join('\n'));
+ continue;
+ }
+ }
+ out.push(line);
+ }
+ return out.join('\n');
+ };
+ return {parse: filter};
+ };
+
+ if (options.tables) {
+ text = globals.converter._dispatch('tables.before', text, options);
+ var tableParser = table();
+ text = tableParser.parse(text);
+ text = globals.converter._dispatch('tables.after', text, options);
+ }
+
+ return text;
+});
+
+/**
+ * Swap back in all the special characters we've hidden.
+ */
+showdown.subParser('unescapeSpecialChars', function (text) {
+ 'use strict';
+
+ text = text.replace(/~E(\d+)E/g, function (wholeMatch, m1) {
+ var charCodeToReplace = parseInt(m1);
+ return String.fromCharCode(charCodeToReplace);
+ });
+ return text;
+});
+
+var root = this;
+
+// CommonJS/nodeJS Loader
+if (typeof module !== 'undefined' && module.exports) {
+ module.exports = showdown;
+
+// AMD Loader
+} else if (typeof define === 'function' && define.amd) {
+ define(function () {
+ 'use strict';
+ return showdown;
+ });
+
+// Regular Browser loader
+} else {
+ root.showdown = showdown;
+}
+}).call(this);
+
+//# sourceMappingURL=showdown.js.map