;/*! showdown 27-08-2015 */ (function(){ /** * Created by Tivie on 13-07-2015. */ function getDefaultOpts(simple) { 'use strict'; var defaultOptions = { omitExtraWLInCodeBlocks: { default: false, describe: 'Omit the default extra whiteline added to code blocks', type: 'boolean' }, noHeaderId: { default: false, describe: 'Turn on/off generated header id', type: 'boolean' }, prefixHeaderId: { default: false, describe: 'Specify a prefix to generated header ids', type: 'string' }, headerLevelStart: { default: false, describe: 'The header blocks level start', type: 'integer' }, parseImgDimensions: { default: false, describe: 'Turn on/off image dimension parsing', type: 'boolean' }, simplifiedAutoLink: { default: false, describe: 'Turn on/off GFM autolink style', type: 'boolean' }, literalMidWordUnderscores: { default: false, describe: 'Parse midword underscores as literal underscores', type: 'boolean' }, strikethrough: { default: false, describe: 'Turn on/off strikethrough support', type: 'boolean' }, tables: { default: false, describe: 'Turn on/off tables support', type: 'boolean' }, tablesHeaderId: { default: false, describe: 'Add an id to table headers', type: 'boolean' }, ghCodeBlocks: { default: true, describe: 'Turn on/off GFM fenced code blocks support', type: 'boolean' }, tasklists: { default: false, describe: 'Turn on/off GFM tasklist support', type: 'boolean' }, smoothLivePreview: { default: false, describe: 'Prevents weird effects in live previews due to incomplete input', type: 'boolean' } }; if (simple === false) { return JSON.parse(JSON.stringify(defaultOptions)); } var ret = {}; for (var opt in defaultOptions) { if (defaultOptions.hasOwnProperty(opt)) { ret[opt] = defaultOptions[opt].default; } } return ret; } /** * Created by Tivie on 06-01-2015. */ // Private properties var showdown = {}, parsers = {}, extensions = {}, globalOptions = getDefaultOpts(true), flavor = { github: { omitExtraWLInCodeBlocks: true, prefixHeaderId: 'user-content-', simplifiedAutoLink: true, literalMidWordUnderscores: true, strikethrough: true, tables: true, tablesHeaderId: true, ghCodeBlocks: true, tasklists: true }, vanilla: getDefaultOpts(true) }; /** * helper namespace * @type {{}} */ showdown.helper = {}; /** * TODO LEGACY SUPPORT CODE * @type {{}} */ showdown.extensions = {}; /** * Set a global option * @static * @param {string} key * @param {*} value * @returns {showdown} */ showdown.setOption = function (key, value) { 'use strict'; globalOptions[key] = value; return this; }; /** * Get a global option * @static * @param {string} key * @returns {*} */ showdown.getOption = function (key) { 'use strict'; return globalOptions[key]; }; /** * Get the global options * @static * @returns {{}} */ showdown.getOptions = function () { 'use strict'; return globalOptions; }; /** * Reset global options to the default values * @static */ showdown.resetOptions = function () { 'use strict'; globalOptions = getDefaultOpts(true); }; /** * Set the flavor showdown should use as default * @param {string} name */ showdown.setFlavor = function (name) { 'use strict'; if (flavor.hasOwnProperty(name)) { var preset = flavor[name]; for (var option in preset) { if (preset.hasOwnProperty(option)) { globalOptions[option] = preset[option]; } } } }; /** * Get the default options * @static * @param {boolean} [simple=true] * @returns {{}} */ showdown.getDefaultOptions = function (simple) { 'use strict'; return getDefaultOpts(simple); }; /** * Get or set a subParser * * subParser(name) - Get a registered subParser * subParser(name, func) - Register a subParser * @static * @param {string} name * @param {function} [func] * @returns {*} */ showdown.subParser = function (name, func) { 'use strict'; if (showdown.helper.isString(name)) { if (typeof func !== 'undefined') { parsers[name] = func; } else { if (parsers.hasOwnProperty(name)) { return parsers[name]; } else { throw Error('SubParser named ' + name + ' not registered!'); } } } }; /** * Gets or registers an extension * @static * @param {string} name * @param {object|function=} ext * @returns {*} */ showdown.extension = function (name, ext) { 'use strict'; if (!showdown.helper.isString(name)) { throw Error('Extension \'name\' must be a string'); } name = showdown.helper.stdExtName(name); // Getter if (showdown.helper.isUndefined(ext)) { if (!extensions.hasOwnProperty(name)) { throw Error('Extension named ' + name + ' is not registered!'); } return extensions[name]; // Setter } else { // Expand extension if it's wrapped in a function if (typeof ext === 'function') { ext = ext(); } // Ensure extension is an array if (!showdown.helper.isArray(ext)) { ext = [ext]; } var validExtension = validate(ext, name); if (validExtension.valid) { extensions[name] = ext; } else { throw Error(validExtension.error); } } }; /** * Gets all extensions registered * @returns {{}} */ showdown.getAllExtensions = function () { 'use strict'; return extensions; }; /** * Remove an extension * @param {string} name */ showdown.removeExtension = function (name) { 'use strict'; delete extensions[name]; }; /** * Removes all extensions */ showdown.resetExtensions = function () { 'use strict'; extensions = {}; }; /** * Validate extension * @param {array} extension * @param {string} name * @returns {{valid: boolean, error: string}} */ function validate(extension, name) { 'use strict'; var errMsg = (name) ? 'Error in ' + name + ' extension->' : 'Error in unnamed extension', ret = { valid: true, error: '' }; if (!showdown.helper.isArray(extension)) { extension = [extension]; } for (var i = 0; i < extension.length; ++i) { var baseMsg = errMsg + ' sub-extension ' + i + ': ', ext = extension[i]; if (typeof ext !== 'object') { ret.valid = false; ret.error = baseMsg + 'must be an object, but ' + typeof ext + ' given'; return ret; } if (!showdown.helper.isString(ext.type)) { ret.valid = false; ret.error = baseMsg + 'property "type" must be a string, but ' + typeof ext.type + ' given'; return ret; } var type = ext.type = ext.type.toLowerCase(); // normalize extension type if (type === 'language') { type = ext.type = 'lang'; } if (type === 'html') { type = ext.type = 'output'; } if (type !== 'lang' && type !== 'output') { ret.valid = false; ret.error = baseMsg + 'type ' + type + ' is not recognized. Valid values: "lang" or "output"'; return ret; } if (ext.filter) { if (typeof ext.filter !== 'function') { ret.valid = false; ret.error = baseMsg + '"filter" must be a function, but ' + typeof ext.filter + ' given'; return ret; } } else if (ext.regex) { if (showdown.helper.isString(ext.regex)) { ext.regex = new RegExp(ext.regex, 'g'); } if (!ext.regex instanceof RegExp) { ret.valid = false; ret.error = baseMsg + '"regex" property must either be a string or a RegExp object, but ' + typeof ext.regex + ' given'; return ret; } if (showdown.helper.isUndefined(ext.replace)) { ret.valid = false; ret.error = baseMsg + '"regex" extensions must implement a replace string or function'; return ret; } } else { ret.valid = false; ret.error = baseMsg + 'extensions must define either a "regex" property or a "filter" method'; return ret; } if (showdown.helper.isUndefined(ext.filter) && showdown.helper.isUndefined(ext.regex)) { ret.valid = false; ret.error = baseMsg + 'output extensions must define a filter property'; return ret; } } return ret; } /** * Validate extension * @param {object} ext * @returns {boolean} */ showdown.validateExtension = function (ext) { 'use strict'; var validateExtension = validate(ext, null); if (!validateExtension.valid) { console.warn(validateExtension.error); return false; } return true; }; /** * showdownjs helper functions */ if (!showdown.hasOwnProperty('helper')) { showdown.helper = {}; } /** * Check if var is string * @static * @param {string} a * @returns {boolean} */ showdown.helper.isString = function isString(a) { 'use strict'; return (typeof a === 'string' || a instanceof String); }; /** * ForEach helper function * @static * @param {*} obj * @param {function} callback */ showdown.helper.forEach = function forEach(obj, callback) { 'use strict'; if (typeof obj.forEach === 'function') { obj.forEach(callback); } else { for (var i = 0; i < obj.length; i++) { callback(obj[i], i, obj); } } }; /** * isArray helper function * @static * @param {*} a * @returns {boolean} */ showdown.helper.isArray = function isArray(a) { 'use strict'; return a.constructor === Array; }; /** * Check if value is undefined * @static * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`. */ showdown.helper.isUndefined = function isUndefined(value) { 'use strict'; return typeof value === 'undefined'; }; /** * Standardidize extension name * @static * @param {string} s extension name * @returns {string} */ showdown.helper.stdExtName = function (s) { 'use strict'; return s.replace(/[_-]||\s/g, '').toLowerCase(); }; function escapeCharactersCallback(wholeMatch, m1) { 'use strict'; var charCodeToEscape = m1.charCodeAt(0); return '~E' + charCodeToEscape + 'E'; } /** * Callback used to escape characters when passing through String.replace * @static * @param {string} wholeMatch * @param {string} m1 * @returns {string} */ showdown.helper.escapeCharactersCallback = escapeCharactersCallback; /** * Escape characters in a string * @static * @param {string} text * @param {string} charsToEscape * @param {boolean} afterBackslash * @returns {XML|string|void|*} */ showdown.helper.escapeCharacters = function escapeCharacters(text, charsToEscape, afterBackslash) { 'use strict'; // First we have to escape the escape characters so that // we can build a character class out of them var regexString = '([' + charsToEscape.replace(/([\[\]\\])/g, '\\$1') + '])'; if (afterBackslash) { regexString = '\\\\' + regexString; } var regex = new RegExp(regexString, 'g'); text = text.replace(regex, escapeCharactersCallback); return text; }; /** * POLYFILLS */ if (showdown.helper.isUndefined(console)) { console = { warn: function (msg) { 'use strict'; alert(msg); }, log: function (msg) { 'use strict'; alert(msg); } }; } /** * Created by Estevao on 31-05-2015. */ /** * Showdown Converter class * @class * @param {object} [converterOptions] * @returns {Converter} */ showdown.Converter = function (converterOptions) { 'use strict'; var /** * Options used by this converter * @private * @type {{}} */ options = {}, /** * Language extensions used by this converter * @private * @type {Array} */ langExtensions = [], /** * Output modifiers extensions used by this converter * @private * @type {Array} */ outputModifiers = [], /** * The parser Order * @private * @type {string[]} */ parserOrder = [ 'githubCodeBlocks', 'hashHTMLBlocks', 'stripLinkDefinitions', 'blockGamut', 'unescapeSpecialChars' ]; _constructor(); /** * Converter constructor * @private */ function _constructor() { converterOptions = converterOptions || {}; for (var gOpt in globalOptions) { if (globalOptions.hasOwnProperty(gOpt)) { options[gOpt] = globalOptions[gOpt]; } } // Merge options if (typeof converterOptions === 'object') { for (var opt in converterOptions) { if (converterOptions.hasOwnProperty(opt)) { options[opt] = converterOptions[opt]; } } } else { throw Error('Converter expects the passed parameter to be an object, but ' + typeof converterOptions + ' was passed instead.'); } if (options.extensions) { showdown.helper.forEach(options.extensions, _parseExtension); } } /** * Parse extension * @param {*} ext * @param {string} [name=''] * @private */ function _parseExtension(ext, name) { name = name || null; // If it's a string, the extension was previously loaded if (showdown.helper.isString(ext)) { ext = showdown.helper.stdExtName(ext); name = ext; // LEGACY_SUPPORT CODE if (showdown.extensions[ext]) { console.warn('DEPRECATION WARNING: ' + ext + ' is an old extension that uses a deprecated loading method.' + 'Please inform the developer that the extension should be updated!'); legacyExtensionLoading(showdown.extensions[ext], ext); return; // END LEGACY SUPPORT CODE } else if (!showdown.helper.isUndefined(extensions[ext])) { ext = extensions[ext]; } else { throw Error('Extension "' + ext + '" could not be loaded. It was either not found or is not a valid extension.'); } } if (typeof ext === 'function') { ext = ext(); } if (!showdown.helper.isArray(ext)) { ext = [ext]; } var validExt = validate(ext, name); if (!validExt.valid) { throw Error(validExt.error); } for (var i = 0; i < ext.length; ++i) { switch (ext[i].type) { case 'lang': langExtensions.push(ext[i]); break; case 'output': outputModifiers.push(ext[i]); break; default: // should never reach here throw Error('Extension loader error: Type unrecognized!!!'); } } } /** * LEGACY_SUPPORT * @param {*} ext * @param {string} name */ function legacyExtensionLoading(ext, name) { if (typeof ext === 'function') { ext = ext(new showdown.Converter()); } if (!showdown.helper.isArray(ext)) { ext = [ext]; } var valid = validate(ext, name); if (!valid.valid) { throw Error(valid.error); } for (var i = 0; i < ext.length; ++i) { switch (ext[i].type) { case 'lang': langExtensions.push(ext[i]); break; case 'output': outputModifiers.push(ext[i]); break; default:// should never reach here throw Error('Extension loader error: Type unrecognized!!!'); } } } /** * Converts a markdown string into HTML * @param {string} text * @returns {*} */ this.makeHtml = function (text) { //check if text is not falsy if (!text) { return text; } var globals = { gHtmlBlocks: [], gUrls: {}, gTitles: {}, gDimensions: {}, gListLevel: 0, hashLinkCounts: {}, langExtensions: langExtensions, outputModifiers: outputModifiers, converter: this }; // attacklab: Replace ~ with ~T // This lets us use tilde as an escape char to avoid md5 hashes // The choice of character is arbitrary; anything that isn't // magic in Markdown will work. text = text.replace(/~/g, '~T'); // attacklab: Replace $ with ~D // RegExp interprets $ as a special character // when it's in a replacement string text = text.replace(/\$/g, '~D'); // Standardize line endings text = text.replace(/\r\n/g, '\n'); // DOS to Unix text = text.replace(/\r/g, '\n'); // Mac to Unix // Make sure text begins and ends with a couple of newlines: text = '\n\n' + text + '\n\n'; // detab text = showdown.subParser('detab')(text, options, globals); // stripBlankLines text = showdown.subParser('stripBlankLines')(text, options, globals); //run languageExtensions showdown.helper.forEach(langExtensions, function (ext) { text = showdown.subParser('runExtension')(ext, text, options, globals); }); // Run all registered parsers for (var i = 0; i < parserOrder.length; ++i) { var name = parserOrder[i]; text = parsers[name](text, options, globals); } // attacklab: Restore dollar signs text = text.replace(/~D/g, '$$'); // attacklab: Restore tildes text = text.replace(/~T/g, '~'); // Run output modifiers showdown.helper.forEach(outputModifiers, function (ext) { text = showdown.subParser('runExtension')(ext, text, options, globals); }); return text; }; /** * Set an option of this Converter instance * @param {string} key * @param {*} value */ this.setOption = function (key, value) { options[key] = value; }; /** * Get the option of this Converter instance * @param {string} key * @returns {*} */ this.getOption = function (key) { return options[key]; }; /** * Get the options of this Converter instance * @returns {{}} */ this.getOptions = function () { return options; }; /** * Add extension to THIS converter * @param {{}} extension * @param {string} [name=null] */ this.addExtension = function (extension, name) { name = name || null; _parseExtension(extension, name); }; /** * Use a global registered extension with THIS converter * @param {string} extensionName Name of the previously registered extension */ this.useExtension = function (extensionName) { _parseExtension(extensionName); }; /** * Set the flavor THIS converter should use * @param {string} name */ this.setFlavor = function (name) { if (flavor.hasOwnProperty(name)) { var preset = flavor[name]; for (var option in preset) { if (preset.hasOwnProperty(option)) { options[option] = preset[option]; } } } }; /** * Remove an extension from THIS converter. * Note: This is a costly operation. It's better to initialize a new converter * and specify the extensions you wish to use * @param {Array} extension */ this.removeExtension = function (extension) { if (!showdown.helper.isArray(extension)) { extension = [extension]; } for (var a = 0; a < extension.length; ++a) { var ext = extension[a]; for (var i = 0; i < langExtensions.length; ++i) { if (langExtensions[i] === ext) { langExtensions[i].splice(i, 1); } } for (var ii = 0; ii < outputModifiers.length; ++i) { if (outputModifiers[ii] === ext) { outputModifiers[ii].splice(i, 1); } } } }; /** * Get all extension of THIS converter * @returns {{language: Array, output: Array}} */ this.getAllExtensions = function () { return { language: langExtensions, output: outputModifiers }; }; }; /** * Turn Markdown link shortcuts into XHTML tags. */ showdown.subParser('anchors', function (text, config, globals) { 'use strict'; var writeAnchorTag = function (wholeMatch, m1, m2, m3, m4, m5, m6, m7) { if (showdown.helper.isUndefined(m7)) { m7 = ''; } wholeMatch = m1; var linkText = m2, linkId = m3.toLowerCase(), url = m4, title = m7; if (!url) { if (!linkId) { // lower-case and turn embedded newlines into spaces linkId = linkText.toLowerCase().replace(/ ?\n/g, ' '); } url = '#' + linkId; if (!showdown.helper.isUndefined(globals.gUrls[linkId])) { url = globals.gUrls[linkId]; if (!showdown.helper.isUndefined(globals.gTitles[linkId])) { title = globals.gTitles[linkId]; } } else { if (wholeMatch.search(/\(\s*\)$/m) > -1) { // Special case for explicit empty url url = ''; } else { return wholeMatch; } } } url = showdown.helper.escapeCharacters(url, '*_', false); var result = ''; return result; }; // First, handle reference-style links: [link text] [id] /* text = text.replace(/ ( // wrap whole match in $1 \[ ( (?: \[[^\]]*\] // allow brackets nested one level | [^\[] // or anything else )* ) \] [ ]? // one optional space (?:\n[ ]*)? // one optional newline followed by spaces \[ (.*?) // id = $3 \] )()()()() // pad remaining backreferences /g,_DoAnchors_callback); */ text = text.replace(/(\[((?:\[[^\]]*\]|[^\[\]])*)\][ ]?(?:\n[ ]*)?\[(.*?)\])()()()()/g, writeAnchorTag); // // Next, inline-style links: [link text](url "optional title") // /* text = text.replace(/ ( // wrap whole match in $1 \[ ( (?: \[[^\]]*\] // allow brackets nested one level | [^\[\]] // or anything else ) ) \] \( // literal paren [ \t]* () // no id, so leave $3 empty ? // href = $4 [ \t]* ( // $5 (['"]) // quote char = $6 (.*?) // Title = $7 \6 // matching quote [ \t]* // ignore any spaces/tabs between closing quote and ) )? // title is optional \) ) /g,writeAnchorTag); */ text = text.replace(/(\[((?:\[[^\]]*\]|[^\[\]])*)\]\([ \t]*()?[ \t]*((['"])(.*?)\6[ \t]*)?\))/g, writeAnchorTag); // // Last, handle reference-style shortcuts: [link text] // These must come last in case you've also got [link test][1] // or [link test](/foo) // /* text = text.replace(/ ( // wrap whole match in $1 \[ ([^\[\]]+) // link text = $2; can't contain '[' or ']' \] )()()()()() // pad rest of backreferences /g, writeAnchorTag); */ text = text.replace(/(\[([^\[\]]+)\])()()()()()/g, writeAnchorTag); return text; }); showdown.subParser('autoLinks', function (text, options) { 'use strict'; //simpleURLRegex = /\b(((https?|ftp|dict):\/\/|www\.)[-.+~:?#@!$&'()*,;=[\]\w]+)\b/gi, var simpleURLRegex = /\b(((https?|ftp|dict):\/\/|www\.)[^'">\s]+\.[^'">\s]+)(?=\s|$)(?!["<>])/gi, delimUrlRegex = /<(((https?|ftp|dict):\/\/|www\.)[^'">\s]+)>/gi, simpleMailRegex = /\b(?:mailto:)?([-.\w]+@[-a-z0-9]+(\.[-a-z0-9]+)*\.[a-z]+)\b/gi, delimMailRegex = /<(?:mailto:)?([-.\w]+@[-a-z0-9]+(\.[-a-z0-9]+)*\.[a-z]+)>/gi; text = text.replace(delimUrlRegex, '$1'); text = text.replace(delimMailRegex, replaceMail); //simpleURLRegex = /\b(((https?|ftp|dict):\/\/|www\.)[-.+~:?#@!$&'()*,;=[\]\w]+)\b/gi, // Email addresses: if (options.simplifiedAutoLink) { text = text.replace(simpleURLRegex, '$1'); text = text.replace(simpleMailRegex, replaceMail); } function replaceMail(wholeMatch, m1) { var unescapedStr = showdown.subParser('unescapeSpecialChars')(m1); return showdown.subParser('encodeEmailAddress')(unescapedStr); } return text; }); /** * These are all the transformations that form block-level * tags like paragraphs, headers, and list items. */ showdown.subParser('blockGamut', function (text, options, globals) { 'use strict'; // we parse blockquotes first so that we can have headings and hrs // inside blockquotes text = showdown.subParser('blockQuotes')(text, options, globals); text = showdown.subParser('headers')(text, options, globals); // Do Horizontal Rules: var key = showdown.subParser('hashBlock')('
', options, globals); text = text.replace(/^[ ]{0,2}([ ]?\*[ ]?){3,}[ \t]*$/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); return text; }); showdown.subParser('blockQuotes', function (text, options, globals) { 'use strict'; /* 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); }); return text; }); /** * Process Markdown `
` blocks.
 */
showdown.subParser('codeBlocks', function (text, options, globals) {
  'use strict';

  /*
   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/, ''); return text; }); /** * * * Backtick quotes are used for spans. * * * You can use multiple backticks as the delimiters if you want to * include literal backticks in the code span. So, this input: * * Just type ``foo `bar` baz`` at the prompt. * * Will translate to: * *

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) { 'use strict'; //special case -> literal html code tag text = text.replace(/(<]*?>)([^]*?)<\/code>/g, function (wholeMatch, tag, c) { c = c.replace(/^([ \t]*)/g, ''); // leading whitespace c = c.replace(/[ \t]*$/g, ''); // trailing whitespace c = showdown.subParser('encodeCode')(c); return tag + c + '
'; }); /* 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 + ''; } ); 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, '$1`'); tag = showdown.helper.escapeCharacters(tag, '\\`*_', false); return tag; }); return text; }); /** * Handle github codeblocks prior to running HashHTML so that * HTML contained within the codeblock gets escaped properly * Example: * ```ruby * def hello_world(x) * puts "Hello, #{x}" * end * ``` */ showdown.subParser('githubCodeBlocks', function (text, options, globals) { 'use strict'; // early exit if option is not enabled if (!options.ghCodeBlocks) { return text; } text += '~0'; text = text.replace(/(?:^|\n)```(.*)\n([\s\S]*?)\n```/g, function (wholeMatch, language, codeblock) { var end = (options.omitExtraWLInCodeBlocks) ? '' : '\n'; codeblock = showdown.subParser('encodeCode')(codeblock); codeblock = showdown.subParser('detab')(codeblock); codeblock = codeblock.replace(/^\n+/g, ''); // trim leading newlines codeblock = codeblock.replace(/\n+$/g, ''); // trim trailing whitespace codeblock = '
' + codeblock + end + '
'; return showdown.subParser('hashBlock')(codeblock, options, globals); }); // attacklab: strip sentinel text = text.replace(/~0/, ''); 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'; // attacklab: Double up blank lines to reduce lookaround text = text.replace(/\n/g, '\n\n'); // Hashify HTML blocks: // We only want to do this for block-level HTML tags, such as headers, // lists, and tables. That's because we still want to wrap

s around // "paragraphs" that are wrapped in non-block-level tags, such as anchors, // phrase emphasis, and spans. The list of tags we're looking for is // hard-coded: //var block_tags_a = // 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|ins|del|style|section|header|footer|nav|article|aside'; // var block_tags_b = // 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|style|section|header|footer|nav|article|aside'; // First, look for nested blocks, e.g.: //

//
// tags for inner block must be indented. //
//
// // The outermost tags must start at the left margin for this to match, and // the inner nested divs must be indented. // We need to do this before the next, more liberal match, because the next // match will start at the first `
` and stop at the first `
`. // attacklab: This regex can be expensive when it fails. /* var text = text.replace(/ ( // save in $1 ^ // start of line (with /m) <($block_tags_a) // start tag = $2 \b // word break // attacklab: hack around khtml/pcre bug... [^\r]*?\n // any number of lines, minimally matching // the matching end tag [ \t]* // trailing spaces/tabs (?=\n+) // followed by a newline ) // attacklab: there are sentinel newlines at end of document /gm,function(){...}}; */ text = text.replace(/^(<(p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|ins|del)\b[^\r]*?\n<\/\2>[ \t]*(?=\n+))/gm, showdown.subParser('hashElement')(text, options, globals)); // // Now match more liberally, simply from `\n` to `\n` // /* var text = text.replace(/ ( // save in $1 ^ // start of line (with /m) <($block_tags_b) // start tag = $2 \b // word break // attacklab: hack around khtml/pcre bug... [^\r]*? // any number of lines, minimally matching // the matching end tag [ \t]* // trailing spaces/tabs (?=\n+) // followed by a newline ) // attacklab: there are sentinel newlines at end of document /gm,function(){...}}; */ text = text.replace(/^(<(p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|style|section|header|footer|nav|article|aside|address|audio|canvas|figure|hgroup|output|video)\b[^\r]*?<\/\2>[ \t]*(?=\n+)\n)/gm, showdown.subParser('hashElement')(text, options, globals)); // Special case just for
. It was easier to make a special case than // to make the other regex more complicated. /* text = text.replace(/ ( // save in $1 \n\n // Starting after a blank line [ ]{0,3} (<(hr) // start tag = $2 \b // word break ([^<>])*? // \/?>) // the matching end tag [ \t]* (?=\n{2,}) // followed by a blank line ) /g,showdown.subParser('hashElement')(text, options, globals)); */ 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(/ ( // save in $1 \n\n // Starting after a blank line [ ]{0,3} // attacklab: g_tab_width - 1 [ \t]* (?=\n{2,}) // followed by a blank line ) /g,showdown.subParser('hashElement')(text, options, globals)); */ text = text.replace(/(\n\n[ ]{0,3}[ \t]*(?=\n{2,}))/g, showdown.subParser('hashElement')(text, options, globals)); // PHP and ASP-style processor instructions ( and <%...%>) /* text = text.replace(/ (?: \n\n // Starting after a blank line ) ( // save in $1 [ ]{0,3} // attacklab: g_tab_width - 1 (?: <([?%]) // $2 [^\r]*? \2> ) [ \t]* (?=\n{2,}) // followed by a blank line ) /g,showdown.subParser('hashElement')(text, options, globals)); */ text = text.replace(/(?:\n\n)([ ]{0,3}(?:<([?%])[^\r]*?\2>)[ \t]*(?=\n{2,}))/g, showdown.subParser('hashElement')(text, options, globals)); // attacklab: Undo double lines (see comment at top of this function) text = text.replace(/\n\n/g, '\n'); return text; }); showdown.subParser('headers', function (text, options, globals) { 'use strict'; 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; } return text; }); /** * Turn Markdown image shortcuts into tags. */ showdown.subParser('images', function (text, options, globals) { 'use strict'; 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 = '' + altText + 'x "optional title") text = text.replace(inlineRegExp, writeImageTag); return text; }); showdown.subParser('italicsAndBold', function (text, options) { 'use strict'; 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)([^]+?)\*\*/g, '$1'); text = text.replace(/\*(?=\S)([^]+?)\*/g, '$1'); } else { // must go first: text = text.replace(/(\*\*|__)(?=\S)([^\r]*?\S[*_]*)\1/g, '$2'); text = text.replace(/(\*|_)(?=\S)([^\r]*?\S)\1/g, '$2'); } return text; }); /** * Form HTML ordered (numbered) and unordered (bulleted) lists. */ showdown.subParser('lists', function (text, options, globals) { 'use strict'; /** * 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/, ''); 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'; // 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++) { // if this is a marker for an html block... while (grafsOut[i].search(/~K(\d+)K/) >= 0) { var blockText = globals.gHtmlBlocks[RegExp.$1]; blockText = blockText.replace(/\$/g, '$$$$'); // Escape any dollar signs grafsOut[i] = grafsOut[i].replace(/~K\d+K/, blockText); } } 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 = 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 `` // Must come after _DoAnchors(), because you can use < and > // delimiters in inline links like [this](). 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'); return text; }); showdown.subParser('strikethrough', function (text, options) { 'use strict'; if (options.strikethrough) { text = text.replace(/(?:~T){2}([^~]+)(?:~T){2}/g, '$1'); } return text; }); /** * Strip any lines consisting only of spaces and tabs. * This makes subsequent regexs easier to write, because we can * match consecutive blank lines with /\n+/ instead of something * contorted like /[ \t]*\n+/ */ showdown.subParser('stripBlankLines', function (text) { 'use strict'; return text.replace(/^[ \t]+$/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) { var tableParser = table(); return tableParser.parse(text); } else { 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('showdown', function () { 'use strict'; return showdown; }); // Regular Browser loader } else { root.showdown = showdown; } }).call(this); //# sourceMappingURL=showdown.js.map