', 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 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 = '
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 `).
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