wikked: static/js/pagedown/Markdown.Converter.js annotate

annotate static/js/pagedown/Markdown.Converter.js @ 149:d29e2f337b00

Updated to Bootstrap 3.0.

author	Ludovic Chabant <ludovic@chabant.com>
date	Thu, 12 Dec 2013 21:54:04 -0800
parents	8250c977bc50
children

rev	line source
3 59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1 var Markdown;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	2
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	3 if (typeof exports === "object" && typeof require === "function") // we're in a CommonJS (e.g. Node.js) module
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	4 Markdown = exports;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	5 else
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	6 Markdown = {};
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	7
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	8 // The following text is included for historical reasons, but should
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	9 // be taken with a pinch of salt; it's not all true anymore.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	10
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	11 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	12 // Wherever possible, Showdown is a straight, line-by-line port
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	13 // of the Perl version of Markdown.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	14 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	15 // This is not a normal parser design; it's basically just a
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	16 // series of string substitutions. It's hard to read and
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	17 // maintain this way, but keeping Showdown close to the original
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	18 // design makes it easier to port new features.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	19 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	20 // More importantly, Showdown behaves like markdown.pl in most
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	21 // edge cases. So web applications can do client-side preview
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	22 // in Javascript, and then build identical HTML on the server.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	23 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	24 // This port needs the new RegExp functionality of ECMA 262,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	25 // 3rd Edition (i.e. Javascript 1.5). Most modern web browsers
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	26 // should do fine. Even with the new regular expression features,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	27 // We do a lot of work to emulate Perl's regex functionality.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	28 // The tricky changes in this file mostly have the "attacklab:"
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	29 // label. Major or self-explanatory changes don't.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	30 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	31 // Smart diff tools like Araxis Merge will be able to match up
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	32 // this file with markdown.pl in a useful way. A little tweaking
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	33 // helps: in a copy of markdown.pl, replace "#" with "//" and
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	34 // replace "$text" with "text". Be sure to ignore whitespace
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	35 // and line endings.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	36 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	37
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	38
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	39 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	40 // Usage:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	41 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	42 // var text = "Markdown rocks.";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	43 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	44 // var converter = new Markdown.Converter();
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	45 // var html = converter.makeHtml(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	46 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	47 // alert(html);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	48 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	49 // Note: move the sample code to the bottom of this
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	50 // file before uncommenting it.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	51 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	52
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	53 (function () {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	54
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	55 function identity(x) { return x; }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	56 function returnFalse(x) { return false; }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	57
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	58 function HookCollection() { }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	59
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	60 HookCollection.prototype = {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	61
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	62 chain: function (hookname, func) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	63 var original = this[hookname];
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	64 if (!original)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	65 throw new Error("unknown hook " + hookname);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	66
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	67 if (original === identity)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	68 this[hookname] = func;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	69 else
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	70 this[hookname] = function (x) { return func(original(x)); }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	71 },
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	72 set: function (hookname, func) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	73 if (!this[hookname])
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	74 throw new Error("unknown hook " + hookname);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	75 this[hookname] = func;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	76 },
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	77 addNoop: function (hookname) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	78 this[hookname] = identity;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	79 },
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	80 addFalse: function (hookname) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	81 this[hookname] = returnFalse;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	82 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	83 };
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	84
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	85 Markdown.HookCollection = HookCollection;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	86
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	87 // g_urls and g_titles allow arbitrary user-entered strings as keys. This
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	88 // caused an exception (and hence stopped the rendering) when the user entered
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	89 // e.g. [push] or [__proto__]. Adding a prefix to the actual key prevents this
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	90 // (since no builtin property starts with "s_"). See
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	91 // http://meta.stackoverflow.com/questions/64655/strange-wmd-bug
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	92 // (granted, switching from Array() to Object() alone would have left only __proto__
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	93 // to be a problem)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	94 function SaveHash() { }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	95 SaveHash.prototype = {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	96 set: function (key, value) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	97 this["s_" + key] = value;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	98 },
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	99 get: function (key) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	100 return this["s_" + key];
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	101 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	102 };
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	103
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	104 Markdown.Converter = function () {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	105 var pluginHooks = this.hooks = new HookCollection();
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	106 pluginHooks.addNoop("plainLinkText"); // given a URL that was encountered by itself (without markup), should return the link text that's to be given to this link
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	107 pluginHooks.addNoop("preConversion"); // called with the orignal text as given to makeHtml. The result of this plugin hook is the actual markdown source that will be cooked
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	108 pluginHooks.addNoop("postConversion"); // called with the final cooked HTML code. The result of this plugin hook is the actual output of makeHtml
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	109
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	110 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	111 // Private state of the converter instance:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	112 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	113
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	114 // Global hashes, used by various utility routines
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	115 var g_urls;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	116 var g_titles;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	117 var g_html_blocks;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	118
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	119 // Used to track when we're inside an ordered or unordered list
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	120 // (see _ProcessListItems() for details):
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	121 var g_list_level;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	122
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	123 this.makeHtml = function (text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	124
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	125 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	126 // Main function. The order in which other subs are called here is
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	127 // essential. Link and image substitutions need to happen before
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	128 // _EscapeSpecialCharsWithinTagAttributes(), so that any *'s or _'s in the <a>
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	129 // and <img> tags get encoded.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	130 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	131
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	132 // This will only happen if makeHtml on the same converter instance is called from a plugin hook.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	133 // Don't do that.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	134 if (g_urls)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	135 throw new Error("Recursive call to converter.makeHtml");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	136
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	137 // Create the private state objects.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	138 g_urls = new SaveHash();
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	139 g_titles = new SaveHash();
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	140 g_html_blocks = [];
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	141 g_list_level = 0;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	142
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	143 text = pluginHooks.preConversion(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	144
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	145 // attacklab: Replace ~ with ~T
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	146 // This lets us use tilde as an escape char to avoid md5 hashes
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	147 // The choice of character is arbitray; anything that isn't
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	148 // magic in Markdown will work.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	149 text = text.replace(/~/g, "~T");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	150
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	151 // attacklab: Replace $ with ~D
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	152 // RegExp interprets $ as a special character
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	153 // when it's in a replacement string
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	154 text = text.replace(/\$/g, "~D");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	155
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	156 // Standardize line endings
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	157 text = text.replace(/\r\n/g, "\n"); // DOS to Unix
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	158 text = text.replace(/\r/g, "\n"); // Mac to Unix
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	159
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	160 // Make sure text begins and ends with a couple of newlines:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	161 text = "\n\n" + text + "\n\n";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	162
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	163 // Convert all tabs to spaces.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	164 text = _Detab(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	165
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	166 // Strip any lines consisting only of spaces and tabs.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	167 // This makes subsequent regexen easier to write, because we can
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	168 // match consecutive blank lines with /\n+/ instead of something
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	169 // contorted like /[ \t]*\n+/ .
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	170 text = text.replace(/^[ \t]+$/mg, "");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	171
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	172 // Turn block-level HTML blocks into hash entries
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	173 text = _HashHTMLBlocks(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	174
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	175 // Strip link definitions, store in hashes.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	176 text = _StripLinkDefinitions(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	177
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	178 text = _RunBlockGamut(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	179
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	180 text = _UnescapeSpecialChars(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	181
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	182 // attacklab: Restore dollar signs
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	183 text = text.replace(/~D/g, "$$");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	184
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	185 // attacklab: Restore tildes
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	186 text = text.replace(/~T/g, "~");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	187
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	188 text = pluginHooks.postConversion(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	189
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	190 g_html_blocks = g_titles = g_urls = null;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	191
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	192 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	193 };
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	194
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	195 function _StripLinkDefinitions(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	196 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	197 // Strips link definitions from text, stores the URLs and titles in
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	198 // hash references.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	199 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	200
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	201 // Link defs are in the form: ^[id]: url "optional title"
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	202
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	203 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	204 text = text.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	205 ^[ ]{0,3}\[(.+)\]: // id = $1 attacklab: g_tab_width - 1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	206 [ \t]*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	207 \n? // maybe one newline
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	208 [ \t]*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	209 <?(\S+?)>? // url = $2
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	210 (?=\s\|$) // lookahead for whitespace instead of the lookbehind removed below
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	211 [ \t]*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	212 \n? // maybe one newline
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	213 [ \t]*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	214 ( // (potential) title = $3
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	215 (\n*) // any lines skipped = $4 attacklab: lookbehind removed
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	216 [ \t]+
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	217 ["(]
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	218 (.+?) // title = $5
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	219 [")]
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	220 [ \t]*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	221 )? // title is optional
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	222 (?:\n+\|$)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	223 /gm, function(){...});
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	224 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	225
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	226 text = text.replace(/^[ ]{0,3}\[(.+)\]:[ \t]\n?[ \t]<?(\S+?)>?(?=\s\|$)[ \t]\n?[ \t]((\n)["(](.+?)[")][ \t])?(?:\n+)/gm,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	227 function (wholeMatch, m1, m2, m3, m4, m5) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	228 m1 = m1.toLowerCase();
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	229 g_urls.set(m1, _EncodeAmpsAndAngles(m2)); // Link IDs are case-insensitive
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	230 if (m4) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	231 // Oops, found blank lines, so it's not a title.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	232 // Put back the parenthetical statement we stole.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	233 return m3;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	234 } else if (m5) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	235 g_titles.set(m1, m5.replace(/"/g, """));
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	236 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	237
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	238 // Completely remove the definition from the text
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	239 return "";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	240 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	241 );
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	242
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	243 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	244 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	245
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	246 function _HashHTMLBlocks(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	247
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	248 // Hashify HTML blocks:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	249 // We only want to do this for block-level HTML tags, such as headers,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	250 // lists, and tables. That's because we still want to wrap <p>s around
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	251 // "paragraphs" that are wrapped in non-block-level tags, such as anchors,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	252 // phrase emphasis, and spans. The list of tags we're looking for is
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	253 // hard-coded:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	254 var block_tags_a = "p\|div\|h[1-6]\|blockquote\|pre\|table\|dl\|ol\|ul\|script\|noscript\|form\|fieldset\|iframe\|math\|ins\|del"
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	255 var block_tags_b = "p\|div\|h[1-6]\|blockquote\|pre\|table\|dl\|ol\|ul\|script\|noscript\|form\|fieldset\|iframe\|math"
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	256
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	257 // First, look for nested blocks, e.g.:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	258 // <div>
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	259 // <div>
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	260 // tags for inner block must be indented.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	261 // </div>
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	262 // </div>
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	263 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	264 // The outermost tags must start at the left margin for this to match, and
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	265 // the inner nested divs must be indented.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	266 // We need to do this before the next, more liberal match, because the next
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	267 // match will start at the first `<div>` and stop at the first `</div>`.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	268
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	269 // attacklab: This regex can be expensive when it fails.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	270
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	271 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	272 text = text.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	273 ( // save in $1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	274 ^ // start of line (with /m)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	275 <($block_tags_a) // start tag = $2
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	276 \b // word break
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	277 // attacklab: hack around khtml/pcre bug...
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	278 [^\r]*?\n // any number of lines, minimally matching
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	279 </\2> // the matching end tag
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	280 [ \t]* // trailing spaces/tabs
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	281 (?=\n+) // followed by a newline
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	282 ) // attacklab: there are sentinel newlines at end of document
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	283 /gm,function(){...}};
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	284 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	285 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, hashElement);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	286
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	287 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	288 // Now match more liberally, simply from `\n<tag>` to `</tag>\n`
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	289 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	290
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	291 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	292 text = text.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	293 ( // save in $1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	294 ^ // start of line (with /m)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	295 <($block_tags_b) // start tag = $2
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	296 \b // word break
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	297 // attacklab: hack around khtml/pcre bug...
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	298 [^\r]*? // any number of lines, minimally matching
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	299 .*</\2> // the matching end tag
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	300 [ \t]* // trailing spaces/tabs
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	301 (?=\n+) // followed by a newline
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	302 ) // attacklab: there are sentinel newlines at end of document
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	303 /gm,function(){...}};
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	304 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	305 text = text.replace(/^(<(p\|div\|h[1-6]\|blockquote\|pre\|table\|dl\|ol\|ul\|script\|noscript\|form\|fieldset\|iframe\|math)\b[^\r]?.<\/\2>[ \t]*(?=\n+)\n)/gm, hashElement);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	306
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	307 // Special case just for <hr />. It was easier to make a special case than
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	308 // to make the other regex more complicated.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	309
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	310 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	311 text = text.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	312 \n // Starting after a blank line
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	313 [ ]{0,3}
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	314 ( // save in $1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	315 (<(hr) // start tag = $2
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	316 \b // word break
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	317 ([^<>])*?
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	318 \/?>) // the matching end tag
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	319 [ \t]*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	320 (?=\n{2,}) // followed by a blank line
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	321 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	322 /g,hashElement);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	323 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	324 text = text.replace(/\n[ ]{0,3}((<(hr)\b([^<>])?\/?>)[ \t](?=\n{2,}))/g, hashElement);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	325
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	326 // Special case for standalone HTML comments:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	327
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	328 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	329 text = text.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	330 \n\n // Starting after a blank line
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	331 [ ]{0,3} // attacklab: g_tab_width - 1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	332 ( // save in $1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	333 <!
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	334 (--(?:\|(?:[^>-]\|-[^>])(?:[^-]\|-[^-])*)--) // see http://www.w3.org/TR/html-markup/syntax.html#comments and http://meta.stackoverflow.com/q/95256
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	335 >
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	336 [ \t]*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	337 (?=\n{2,}) // followed by a blank line
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	338 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	339 /g,hashElement);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	340 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	341 text = text.replace(/\n\n[ ]{0,3}(<!(--(?:\|(?:[^>-]\|-[^>])(?:[^-]\|-[^-]))--)>[ \t](?=\n{2,}))/g, hashElement);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	342
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	343 // PHP and ASP-style processor instructions (<?...?> and <%...%>)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	344
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	345 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	346 text = text.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	347 (?:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	348 \n\n // Starting after a blank line
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	349 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	350 ( // save in $1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	351 [ ]{0,3} // attacklab: g_tab_width - 1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	352 (?:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	353 <([?%]) // $2
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	354 [^\r]*?
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	355 \2>
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	356 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	357 [ \t]*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	358 (?=\n{2,}) // followed by a blank line
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	359 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	360 /g,hashElement);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	361 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	362 text = text.replace(/(?:\n\n)([ ]{0,3}(?:<([?%])[^\r]?\2>)[ \t](?=\n{2,}))/g, hashElement);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	363
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	364 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	365 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	366
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	367 function hashElement(wholeMatch, m1) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	368 var blockText = m1;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	369
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	370 // Undo double lines
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	371 blockText = blockText.replace(/^\n+/, "");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	372
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	373 // strip trailing blank lines
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	374 blockText = blockText.replace(/\n+$/g, "");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	375
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	376 // Replace the element text with a marker ("~KxK" where x is its key)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	377 blockText = "\n\n~K" + (g_html_blocks.push(blockText) - 1) + "K\n\n";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	378
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	379 return blockText;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	380 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	381
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	382 function _RunBlockGamut(text, doNotUnhash) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	383 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	384 // These are all the transformations that form block-level
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	385 // tags like paragraphs, headers, and list items.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	386 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	387 text = _DoHeaders(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	388
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	389 // Do Horizontal Rules:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	390 var replacement = "<hr />\n";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	391 text = text.replace(/^[ ]{0,2}([ ]?\[ ]?){3,}[ \t]$/gm, replacement);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	392 text = text.replace(/^[ ]{0,2}([ ]?-[ ]?){3,}[ \t]*$/gm, replacement);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	393 text = text.replace(/^[ ]{0,2}([ ]?_[ ]?){3,}[ \t]*$/gm, replacement);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	394
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	395 text = _DoLists(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	396 text = _DoCodeBlocks(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	397 text = _DoBlockQuotes(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	398
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	399 // We already ran _HashHTMLBlocks() before, in Markdown(), but that
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	400 // was to escape raw HTML in the original Markdown source. This time,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	401 // we're escaping the markup we've just created, so that we don't wrap
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	402 // <p> tags around block-level tags.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	403 text = _HashHTMLBlocks(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	404 text = _FormParagraphs(text, doNotUnhash);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	405
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	406 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	407 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	408
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	409 function _RunSpanGamut(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	410 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	411 // These are all the transformations that occur within block-level
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	412 // tags like paragraphs, headers, and list items.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	413 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	414
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	415 text = _DoCodeSpans(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	416 text = _EscapeSpecialCharsWithinTagAttributes(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	417 text = _EncodeBackslashEscapes(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	418
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	419 // Process anchor and image tags. Images must come first,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	420 // because ![foo][f] looks like an anchor.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	421 text = _DoImages(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	422 text = _DoAnchors(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	423
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	424 // Make links out of things like `<http://example.com/>`
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	425 // Must come after _DoAnchors(), because you can use < and >
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	426 // delimiters in inline links like [this](<url>).
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	427 text = _DoAutoLinks(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	428
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	429 text = text.replace(/~P/g, "://"); // put in place to prevent autolinking; reset now
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	430
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	431 text = _EncodeAmpsAndAngles(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	432 text = _DoItalicsAndBold(text);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	433
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	434 // Do hard breaks:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	435 text = text.replace(/ +\n/g, " <br>\n");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	436
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	437 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	438 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	439
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	440 function _EscapeSpecialCharsWithinTagAttributes(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	441 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	442 // Within tags -- meaning between < and > -- encode [\ ` * _] so they
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	443 // don't conflict with their use in Markdown for code, italics and strong.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	444 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	445
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	446 // Build a regex to find HTML tags and comments. See Friedl's
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	447 // "Mastering Regular Expressions", 2nd Ed., pp. 200-201.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	448
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	449 // SE: changed the comment part of the regex
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	450
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	451 var regex = /(<[a-z\/!$]("[^"]"\|'[^']'\|[^'">])>\|<!(--(?:\|(?:[^>-]\|-[^>])(?:[^-]\|-[^-]))--)>)/gi;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	452
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	453 text = text.replace(regex, function (wholeMatch) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	454 var tag = wholeMatch.replace(/(.)<\/?code>(?=.)/g, "$1`");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	455 tag = escapeCharacters(tag, wholeMatch.charAt(1) == "!" ? "\\`_/" : "\\`_"); // also escape slashes in comments to prevent autolinking there -- http://meta.stackoverflow.com/questions/95987
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	456 return tag;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	457 });
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	458
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	459 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	460 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	461
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	462 function _DoAnchors(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	463 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	464 // Turn Markdown link shortcuts into XHTML <a> tags.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	465 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	466 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	467 // First, handle reference-style links: [link text] [id]
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	468 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	469
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	470 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	471 text = text.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	472 ( // wrap whole match in $1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	473 \[
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	474 (
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	475 (?:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	476 \[[^\]]*\] // allow brackets nested one level
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	477 \|
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	478 [^\[] // or anything else
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	479 )*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	480 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	481 \]
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	482
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	483 [ ]? // one optional space
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	484 (?:\n[ ]*)? // one optional newline followed by spaces
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	485
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	486 \[
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	487 (.*?) // id = $3
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	488 \]
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	489 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	490 ()()()() // pad remaining backreferences
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	491 /g, writeAnchorTag);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	492 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	493 text = text.replace(/(\[((?:\[[^\]]\]\|[^\[\]]))\][ ]?(?:\n[ ])?\[(.?)\])()()()()/g, writeAnchorTag);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	494
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	495 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	496 // Next, inline-style links: [link text](url "optional title")
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	497 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	498
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	499 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	500 text = text.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	501 ( // wrap whole match in $1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	502 \[
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	503 (
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	504 (?:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	505 \[[^\]]*\] // allow brackets nested one level
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	506 \|
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	507 [^\[\]] // or anything else
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	508 )*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	509 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	510 \]
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	511 \( // literal paren
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	512 [ \t]*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	513 () // no id, so leave $3 empty
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	514 <?( // href = $4
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	515 (?:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	516 \([^)]*\) // allow one level of (correctly nested) parens (think MSDN)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	517 \|
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	518 [^()\s]
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	519 )*?
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	520 )>?
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	521 [ \t]*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	522 ( // $5
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	523 (['"]) // quote char = $6
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	524 (.*?) // Title = $7
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	525 \6 // matching quote
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	526 [ \t]* // ignore any spaces/tabs between closing quote and )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	527 )? // title is optional
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	528 \)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	529 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	530 /g, writeAnchorTag);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	531 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	532
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	533 text = text.replace(/(\[((?:\[[^\]]\]\|[^\[\]]))\]\([ \t]()<?((?:\([^)]\)\|[^()\s])?)>?[ \t]((['"])(.?)\6[ \t])?\))/g, writeAnchorTag);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	534
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	535 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	536 // Last, handle reference-style shortcuts: [link text]
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	537 // These must come last in case you've also got [link test][1]
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	538 // or [link test](/foo)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	539 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	540
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	541 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	542 text = text.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	543 ( // wrap whole match in $1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	544 \[
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	545 ([^\[\]]+) // link text = $2; can't contain '[' or ']'
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	546 \]
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	547 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	548 ()()()()() // pad rest of backreferences
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	549 /g, writeAnchorTag);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	550 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	551 text = text.replace(/(\[([^\[\]]+)\])()()()()()/g, writeAnchorTag);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	552
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	553 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	554 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	555
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	556 function writeAnchorTag(wholeMatch, m1, m2, m3, m4, m5, m6, m7) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	557 if (m7 == undefined) m7 = "";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	558 var whole_match = m1;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	559 var link_text = m2.replace(/:\/\//g, "~P"); // to prevent auto-linking withing the link. will be converted back after the auto-linker runs
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	560 var link_id = m3.toLowerCase();
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	561 var url = m4;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	562 var title = m7;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	563
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	564 if (url == "") {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	565 if (link_id == "") {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	566 // lower-case and turn embedded newlines into spaces
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	567 link_id = link_text.toLowerCase().replace(/ ?\n/g, " ");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	568 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	569 url = "#" + link_id;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	570
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	571 if (g_urls.get(link_id) != undefined) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	572 url = g_urls.get(link_id);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	573 if (g_titles.get(link_id) != undefined) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	574 title = g_titles.get(link_id);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	575 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	576 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	577 else {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	578 if (whole_match.search(/\(\s*\)$/m) > -1) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	579 // Special case for explicit empty url
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	580 url = "";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	581 } else {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	582 return whole_match;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	583 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	584 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	585 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	586 url = encodeProblemUrlChars(url);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	587 url = escapeCharacters(url, "*_");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	588 var result = "<a href=\"" + url + "\"";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	589
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	590 if (title != "") {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	591 title = attributeEncode(title);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	592 title = escapeCharacters(title, "*_");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	593 result += " title=\"" + title + "\"";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	594 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	595
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	596 result += ">" + link_text + "</a>";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	597
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	598 return result;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	599 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	600
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	601 function _DoImages(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	602 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	603 // Turn Markdown image shortcuts into <img> tags.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	604 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	605
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	606 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	607 // First, handle reference-style labeled images: ![alt text][id]
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	608 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	609
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	610 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	611 text = text.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	612 ( // wrap whole match in $1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	613 !\[
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	614 (.*?) // alt text = $2
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	615 \]
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	616
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	617 [ ]? // one optional space
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	618 (?:\n[ ]*)? // one optional newline followed by spaces
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	619
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	620 \[
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	621 (.*?) // id = $3
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	622 \]
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	623 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	624 ()()()() // pad rest of backreferences
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	625 /g, writeImageTag);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	626 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	627 text = text.replace(/(!\[(.?)\][ ]?(?:\n[ ])?\[(.*?)\])()()()()/g, writeImageTag);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	628
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	629 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	630 // Next, handle inline images: ![alt text](url "optional title")
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	631 // Don't forget: encode * and _
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	632
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	633 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	634 text = text.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	635 ( // wrap whole match in $1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	636 !\[
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	637 (.*?) // alt text = $2
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	638 \]
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	639 \s? // One optional whitespace character
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	640 \( // literal paren
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	641 [ \t]*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	642 () // no id, so leave $3 empty
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	643 <?(\S+?)>? // src url = $4
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	644 [ \t]*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	645 ( // $5
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	646 (['"]) // quote char = $6
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	647 (.*?) // title = $7
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	648 \6 // matching quote
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	649 [ \t]*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	650 )? // title is optional
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	651 \)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	652 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	653 /g, writeImageTag);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	654 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	655 text = text.replace(/(!\[(.?)\]\s?\([ \t]()<?(\S+?)>?[ \t]((['"])(.?)\6[ \t]*)?\))/g, writeImageTag);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	656
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	657 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	658 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	659
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	660 function attributeEncode(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	661 // unconditionally replace angle brackets here -- what ends up in an attribute (e.g. alt or title)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	662 // never makes sense to have verbatim HTML in it (and the sanitizer would totally break it)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	663 return text.replace(/>/g, ">").replace(/</g, "<").replace(/"/g, """);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	664 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	665
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	666 function writeImageTag(wholeMatch, m1, m2, m3, m4, m5, m6, m7) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	667 var whole_match = m1;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	668 var alt_text = m2;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	669 var link_id = m3.toLowerCase();
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	670 var url = m4;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	671 var title = m7;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	672
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	673 if (!title) title = "";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	674
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	675 if (url == "") {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	676 if (link_id == "") {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	677 // lower-case and turn embedded newlines into spaces
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	678 link_id = alt_text.toLowerCase().replace(/ ?\n/g, " ");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	679 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	680 url = "#" + link_id;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	681
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	682 if (g_urls.get(link_id) != undefined) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	683 url = g_urls.get(link_id);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	684 if (g_titles.get(link_id) != undefined) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	685 title = g_titles.get(link_id);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	686 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	687 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	688 else {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	689 return whole_match;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	690 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	691 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	692
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	693 alt_text = escapeCharacters(attributeEncode(alt_text), "*_[]()");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	694 url = escapeCharacters(url, "*_");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	695 var result = "<img src=\"" + url + "\" alt=\"" + alt_text + "\"";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	696
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	697 // attacklab: Markdown.pl adds empty title attributes to images.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	698 // Replicate this bug.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	699
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	700 //if (title != "") {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	701 title = attributeEncode(title);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	702 title = escapeCharacters(title, "*_");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	703 result += " title=\"" + title + "\"";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	704 //}
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	705
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	706 result += " />";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	707
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	708 return result;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	709 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	710
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	711 function _DoHeaders(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	712
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	713 // Setext-style headers:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	714 // Header 1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	715 // ========
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	716 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	717 // Header 2
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	718 // --------
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	719 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	720 text = text.replace(/^(.+)[ \t]\n=+[ \t]\n+/gm,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	721 function (wholeMatch, m1) { return "<h1>" + _RunSpanGamut(m1) + "</h1>\n\n"; }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	722 );
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	723
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	724 text = text.replace(/^(.+)[ \t]\n-+[ \t]\n+/gm,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	725 function (matchFound, m1) { return "<h2>" + _RunSpanGamut(m1) + "</h2>\n\n"; }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	726 );
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	727
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	728 // atx-style headers:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	729 // # Header 1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	730 // ## Header 2
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	731 // ## Header 2 with closing hashes ##
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	732 // ...
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	733 // ###### Header 6
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	734 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	735
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	736 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	737 text = text.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	738 ^(\#{1,6}) // $1 = string of #'s
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	739 [ \t]*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	740 (.+?) // $2 = Header text
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	741 [ \t]*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	742 \#* // optional closing #'s (not counted)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	743 \n+
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	744 /gm, function() {...});
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	745 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	746
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	747 text = text.replace(/^(\#{1,6})[ \t](.+?)[ \t]\#*\n+/gm,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	748 function (wholeMatch, m1, m2) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	749 var h_level = m1.length;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	750 return "<h" + h_level + ">" + _RunSpanGamut(m2) + "</h" + h_level + ">\n\n";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	751 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	752 );
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	753
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	754 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	755 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	756
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	757 function _DoLists(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	758 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	759 // Form HTML ordered (numbered) and unordered (bulleted) lists.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	760 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	761
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	762 // attacklab: add sentinel to hack around khtml/safari bug:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	763 // http://bugs.webkit.org/show_bug.cgi?id=11231
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	764 text += "~0";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	765
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	766 // Re-usable pattern to match any entirel ul or ol list:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	767
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	768 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	769 var whole_list = /
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	770 ( // $1 = whole list
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	771 ( // $2
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	772 [ ]{0,3} // attacklab: g_tab_width - 1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	773 ([*+-]\|\d+[.]) // $3 = first list item marker
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	774 [ \t]+
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	775 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	776 [^\r]+?
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	777 ( // $4
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	778 ~0 // sentinel for workaround; should be $
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	779 \|
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	780 \n{2,}
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	781 (?=\S)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	782 (?! // Negative lookahead for another list item marker
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	783 [ \t]*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	784 (?:[*+-]\|\d+[.])[ \t]+
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	785 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	786 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	787 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	788 /g
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	789 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	790 var whole_list = /^(([ ]{0,3}([+-]\|\d+[.])[ \t]+)[^\r]+?(~0\|\n{2,}(?=\S)(?![ \t](?:[*+-]\|\d+[.])[ \t]+)))/gm;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	791
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	792 if (g_list_level) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	793 text = text.replace(whole_list, function (wholeMatch, m1, m2) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	794 var list = m1;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	795 var list_type = (m2.search(/[*+-]/g) > -1) ? "ul" : "ol";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	796
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	797 var result = _ProcessListItems(list, list_type);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	798
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	799 // Trim any trailing whitespace, to put the closing `</$list_type>`
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	800 // up on the preceding line, to get it past the current stupid
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	801 // HTML block parser. This is a hack to work around the terrible
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	802 // hack that is the HTML block parser.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	803 result = result.replace(/\s+$/, "");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	804 result = "<" + list_type + ">" + result + "</" + list_type + ">\n";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	805 return result;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	806 });
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	807 } else {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	808 whole_list = /(\n\n\|^\n?)(([ ]{0,3}([+-]\|\d+[.])[ \t]+)[^\r]+?(~0\|\n{2,}(?=\S)(?![ \t](?:[*+-]\|\d+[.])[ \t]+)))/g;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	809 text = text.replace(whole_list, function (wholeMatch, m1, m2, m3) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	810 var runup = m1;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	811 var list = m2;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	812
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	813 var list_type = (m3.search(/[*+-]/g) > -1) ? "ul" : "ol";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	814 var result = _ProcessListItems(list, list_type);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	815 result = runup + "<" + list_type + ">\n" + result + "</" + list_type + ">\n";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	816 return result;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	817 });
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	818 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	819
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	820 // attacklab: strip sentinel
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	821 text = text.replace(/~0/, "");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	822
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	823 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	824 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	825
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	826 var _listItemMarkers = { ol: "\\d+[.]", ul: "[*+-]" };
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	827
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	828 function _ProcessListItems(list_str, list_type) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	829 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	830 // Process the contents of a single ordered or unordered list, splitting it
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	831 // into individual list items.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	832 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	833 // list_type is either "ul" or "ol".
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	834
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	835 // The $g_list_level global keeps track of when we're inside a list.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	836 // Each time we enter a list, we increment it; when we leave a list,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	837 // we decrement. If it's zero, we're not in a list anymore.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	838 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	839 // We do this because when we're not inside a list, we want to treat
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	840 // something like this:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	841 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	842 // I recommend upgrading to version
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	843 // 8. Oops, now this line is treated
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	844 // as a sub-list.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	845 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	846 // As a single paragraph, despite the fact that the second line starts
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	847 // with a digit-period-space sequence.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	848 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	849 // Whereas when we're inside a list (or sub-list), that line will be
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	850 // treated as the start of a sub-list. What a kludge, huh? This is
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	851 // an aspect of Markdown's syntax that's hard to parse perfectly
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	852 // without resorting to mind-reading. Perhaps the solution is to
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	853 // change the syntax rules such that sub-lists must start with a
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	854 // starting cardinal number; e.g. "1." or "a.".
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	855
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	856 g_list_level++;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	857
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	858 // trim trailing blank lines:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	859 list_str = list_str.replace(/\n{2,}$/, "\n");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	860
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	861 // attacklab: add sentinel to emulate \z
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	862 list_str += "~0";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	863
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	864 // In the original attacklab showdown, list_type was not given to this function, and anything
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	865 // that matched /[*+-]\|\d+[.]/ would just create the next <li>, causing this mismatch:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	866 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	867 // Markdown rendered by WMD rendered by MarkdownSharp
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	868 // ------------------------------------------------------------------
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	869 // 1. first 1. first 1. first
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	870 // 2. second 2. second 2. second
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	871 // - third 3. third * third
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	872 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	873 // We changed this to behave identical to MarkdownSharp. This is the constructed RegEx,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	874 // with {MARKER} being one of \d+[.] or [*+-], depending on list_type:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	875
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	876 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	877 list_str = list_str.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	878 (^[ \t]*) // leading whitespace = $1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	879 ({MARKER}) [ \t]+ // list marker = $2
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	880 ([^\r]+? // list item text = $3
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	881 (\n+)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	882 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	883 (?=
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	884 (~0 \| \2 ({MARKER}) [ \t]+)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	885 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	886 /gm, function(){...});
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	887 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	888
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	889 var marker = _listItemMarkers[list_type];
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	890 var re = new RegExp("(^[ \\t]*)(" + marker + ")[ \\t]+([^\\r]+?(\\n+))(?=(~0\|\\1(" + marker + ")[ \\t]+))", "gm");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	891 var last_item_had_a_double_newline = false;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	892 list_str = list_str.replace(re,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	893 function (wholeMatch, m1, m2, m3) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	894 var item = m3;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	895 var leading_space = m1;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	896 var ends_with_double_newline = /\n\n$/.test(item);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	897 var contains_double_newline = ends_with_double_newline \|\| item.search(/\n{2,}/) > -1;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	898
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	899 if (contains_double_newline \|\| last_item_had_a_double_newline) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	900 item = _RunBlockGamut(_Outdent(item), /* doNotUnhash = */true);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	901 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	902 else {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	903 // Recursion for sub-lists:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	904 item = _DoLists(_Outdent(item));
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	905 item = item.replace(/\n$/, ""); // chomp(item)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	906 item = _RunSpanGamut(item);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	907 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	908 last_item_had_a_double_newline = ends_with_double_newline;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	909 return "<li>" + item + "</li>\n";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	910 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	911 );
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	912
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	913 // attacklab: strip sentinel
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	914 list_str = list_str.replace(/~0/g, "");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	915
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	916 g_list_level--;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	917 return list_str;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	918 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	919
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	920 function _DoCodeBlocks(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	921 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	922 // Process Markdown `<pre><code>` blocks.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	923 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	924
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	925 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	926 text = text.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	927 (?:\n\n\|^)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	928 ( // $1 = the code block -- one or more lines, starting with a space/tab
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	929 (?:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	930 (?:[ ]{4}\|\t) // Lines must start with a tab or a tab-width of spaces - attacklab: g_tab_width
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	931 .*\n+
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	932 )+
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	933 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	934 (\n*[ ]{0,3}[^ \t\n]\|(?=~0)) // attacklab: g_tab_width
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	935 /g ,function(){...});
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	936 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	937
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	938 // attacklab: sentinel workarounds for lack of \A and \Z, safari\khtml bug
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	939 text += "~0";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	940
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	941 text = text.replace(/(?:\n\n\|^)((?:(?:[ ]{4}\|\t).\n+)+)(\n[ ]{0,3}[^ \t\n]\|(?=~0))/g,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	942 function (wholeMatch, m1, m2) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	943 var codeblock = m1;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	944 var nextChar = m2;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	945
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	946 codeblock = _EncodeCode(_Outdent(codeblock));
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	947 codeblock = _Detab(codeblock);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	948 codeblock = codeblock.replace(/^\n+/g, ""); // trim leading newlines
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	949 codeblock = codeblock.replace(/\n+$/g, ""); // trim trailing whitespace
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	950
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	951 codeblock = "<pre><code>" + codeblock + "\n</code></pre>";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	952
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	953 return "\n\n" + codeblock + "\n\n" + nextChar;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	954 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	955 );
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	956
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	957 // attacklab: strip sentinel
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	958 text = text.replace(/~0/, "");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	959
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	960 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	961 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	962
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	963 function hashBlock(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	964 text = text.replace(/(^\n+\|\n+$)/g, "");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	965 return "\n\n~K" + (g_html_blocks.push(text) - 1) + "K\n\n";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	966 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	967
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	968 function _DoCodeSpans(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	969 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	970 // * Backtick quotes are used for <code></code> spans.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	971 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	972 // * You can use multiple backticks as the delimiters if you want to
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	973 // include literal backticks in the code span. So, this input:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	974 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	975 // Just type ``foo `bar` baz`` at the prompt.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	976 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	977 // Will translate to:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	978 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	979 // <p>Just type <code>foo `bar` baz</code> at the prompt.</p>
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	980 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	981 // There's no arbitrary limit to the number of backticks you
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	982 // can use as delimters. If you need three consecutive backticks
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	983 // in your code, use four for delimiters, etc.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	984 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	985 // * You can use spaces to get literal backticks at the edges:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	986 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	987 // ... type `` `bar` `` ...
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	988 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	989 // Turns to:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	990 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	991 // ... type <code>`bar`</code> ...
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	992 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	993
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	994 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	995 text = text.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	996 (^\|[^\\]) // Character before opening ` can't be a backslash
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	997 (`+) // $2 = Opening run of `
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	998 ( // $3 = The code block
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	999 [^\r]*?
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1000 [^`] // attacklab: work around lack of lookbehind
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1001 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1002 \2 // Matching closer
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1003 (?!`)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1004 /gm, function(){...});
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1005 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1006
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1007 text = text.replace(/(^\|[^\\])(`+)([^\r]*?[^`])\2(?!`)/gm,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1008 function (wholeMatch, m1, m2, m3, m4) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1009 var c = m3;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1010 c = c.replace(/^([ \t]*)/g, ""); // leading whitespace
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1011 c = c.replace(/[ \t]*$/g, ""); // trailing whitespace
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1012 c = _EncodeCode(c);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1013 c = c.replace(/:\/\//g, "~P"); // to prevent auto-linking. Not necessary in code blocks, but in code spans. Will be converted back after the auto-linker runs.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1014 return m1 + "<code>" + c + "</code>";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1015 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1016 );
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1017
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1018 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1019 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1020
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1021 function _EncodeCode(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1022 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1023 // Encode/escape certain characters inside Markdown code runs.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1024 // The point is that in code, these characters are literals,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1025 // and lose their special Markdown meanings.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1026 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1027 // Encode all ampersands; HTML entities are not
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1028 // entities within a Markdown code span.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1029 text = text.replace(/&/g, "&");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1030
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1031 // Do the angle bracket song and dance:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1032 text = text.replace(/</g, "<");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1033 text = text.replace(/>/g, ">");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1034
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1035 // Now, escape characters that are magic in Markdown:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1036 text = escapeCharacters(text, "\*_{}[]\\", false);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1037
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1038 // jj the line above breaks this:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1039 //---
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1040
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1041 //* Item
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1042
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1043 // 1. Subitem
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1044
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1045 // special char: *
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1046 //---
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1047
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1048 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1049 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1050
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1051 function _DoItalicsAndBold(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1052
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1053 // <strong> must go first:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1054 text = text.replace(/([\W_]\|^)(\\\|__)(?=\S)([^\r]?\S[\_]*)\2([\W_]\|$)/g,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1055 "$1<strong>$3</strong>$4");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1056
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1057 text = text.replace(/([\W_]\|^)(\\|_)(?=\S)([^\r\_]*?\S)\2([\W_]\|$)/g,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1058 "$1<em>$3</em>$4");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1059
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1060 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1061 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1062
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1063 function _DoBlockQuotes(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1064
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1065 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1066 text = text.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1067 ( // Wrap whole match in $1
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1068 (
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1069 ^[ \t]*>[ \t]? // '>' at the start of a line
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1070 .+\n // rest of the first line
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1071 (.+\n)* // subsequent consecutive lines
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1072 \n* // blanks
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1073 )+
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1074 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1075 /gm, function(){...});
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1076 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1077
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1078 text = text.replace(/((^[ \t]>[ \t]?.+\n(.+\n)\n*)+)/gm,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1079 function (wholeMatch, m1) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1080 var bq = m1;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1081
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1082 // attacklab: hack around Konqueror 3.5.4 bug:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1083 // "----------bug".replace(/^-/g,"") == "bug"
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1084
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1085 bq = bq.replace(/^[ \t]*>[ \t]?/gm, "~0"); // trim one level of quoting
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1086
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1087 // attacklab: clean up hack
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1088 bq = bq.replace(/~0/g, "");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1089
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1090 bq = bq.replace(/^[ \t]+$/gm, ""); // trim whitespace-only lines
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1091 bq = _RunBlockGamut(bq); // recurse
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1092
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1093 bq = bq.replace(/(^\|\n)/g, "$1 ");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1094 // These leading spaces screw with <pre> content, so we need to fix that:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1095 bq = bq.replace(
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1096 /(\s*<pre>[^\r]+?<\/pre>)/gm,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1097 function (wholeMatch, m1) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1098 var pre = m1;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1099 // attacklab: hack around Konqueror 3.5.4 bug:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1100 pre = pre.replace(/^ /mg, "~0");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1101 pre = pre.replace(/~0/g, "");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1102 return pre;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1103 });
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1104
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1105 return hashBlock("<blockquote>\n" + bq + "\n</blockquote>");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1106 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1107 );
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1108 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1109 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1110
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1111 function _FormParagraphs(text, doNotUnhash) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1112 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1113 // Params:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1114 // $text - string to process with html <p> tags
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1115 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1116
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1117 // Strip leading and trailing lines:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1118 text = text.replace(/^\n+/g, "");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1119 text = text.replace(/\n+$/g, "");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1120
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1121 var grafs = text.split(/\n{2,}/g);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1122 var grafsOut = [];
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1123
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1124 var markerRe = /~K(\d+)K/;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1125
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1126 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1127 // Wrap <p> tags.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1128 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1129 var end = grafs.length;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1130 for (var i = 0; i < end; i++) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1131 var str = grafs[i];
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1132
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1133 // if this is an HTML marker, copy it
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1134 if (markerRe.test(str)) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1135 grafsOut.push(str);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1136 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1137 else if (/\S/.test(str)) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1138 str = _RunSpanGamut(str);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1139 str = str.replace(/^([ \t]*)/g, "<p>");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1140 str += "</p>"
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1141 grafsOut.push(str);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1142 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1143
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1144 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1145 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1146 // Unhashify HTML blocks
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1147 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1148 if (!doNotUnhash) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1149 end = grafsOut.length;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1150 for (var i = 0; i < end; i++) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1151 var foundAny = true;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1152 while (foundAny) { // we may need several runs, since the data may be nested
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1153 foundAny = false;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1154 grafsOut[i] = grafsOut[i].replace(/~K(\d+)K/g, function (wholeMatch, id) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1155 foundAny = true;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1156 return g_html_blocks[id];
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1157 });
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1158 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1159 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1160 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1161 return grafsOut.join("\n\n");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1162 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1163
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1164 function _EncodeAmpsAndAngles(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1165 // Smart processing for ampersands and angle brackets that need to be encoded.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1166
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1167 // Ampersand-encoding based entirely on Nat Irons's Amputator MT plugin:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1168 // http://bumppo.net/projects/amputator/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1169 text = text.replace(/&(?!#?[xX]?(?:[0-9a-fA-F]+\|\w+);)/g, "&");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1170
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1171 // Encode naked <'s
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1172 text = text.replace(/<(?![a-z\/?\$!])/gi, "<");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1173
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1174 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1175 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1176
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1177 function _EncodeBackslashEscapes(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1178 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1179 // Parameter: String.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1180 // Returns: The string, with after processing the following backslash
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1181 // escape sequences.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1182 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1183
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1184 // attacklab: The polite way to do this is with the new
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1185 // escapeCharacters() function:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1186 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1187 // text = escapeCharacters(text,"\\",true);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1188 // text = escapeCharacters(text,"`*_{}[]()>#+-.!",true);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1189 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1190 // ...but we're sidestepping its use of the (slow) RegExp constructor
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1191 // as an optimization for Firefox. This function gets called a LOT.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1192
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1193 text = text.replace(/\\(\\)/g, escapeCharacters_callback);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1194 text = text.replace(/\\([`*_{}\[\]()>#+-.!])/g, escapeCharacters_callback);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1195 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1196 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1197
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1198 function _DoAutoLinks(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1199
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1200 // note that at this point, all other URL in the text are already hyperlinked as <a href=""></a>
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1201 // except for the <http://www.foo.com> case
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1202
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1203 // automatically add < and > around unadorned raw hyperlinks
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1204 // must be preceded by space/BOF and followed by non-word/EOF character
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1205 text = text.replace(/(^\|\s)(https?\|ftp)(:\/\/[-A-Z0-9+&@#\/%?=~_\|\[\]\(\)!:,\.;]*[-A-Z0-9+&@#\/%=~_\|\[\]])($\|\W)/gi, "$1<$2$3>$4");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1206
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1207 // autolink anything like <http://example.com>
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1208
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1209 var replacer = function (wholematch, m1) { return "<a href=\"" + m1 + "\">" + pluginHooks.plainLinkText(m1) + "</a>"; }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1210 text = text.replace(/<((https?\|ftp):[^'">\s]+)>/gi, replacer);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1211
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1212 // Email addresses: <address@domain.foo>
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1213 /*
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1214 text = text.replace(/
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1215 <
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1216 (?:mailto:)?
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1217 (
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1218 [-.\w]+
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1219 \@
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1220 [-a-z0-9]+(\.[-a-z0-9]+)*\.[a-z]+
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1221 )
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1222 >
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1223 /gi, _DoAutoLinks_callback());
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1224 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1225
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1226 /* disabling email autolinking, since we don't do that on the server, either
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1227 text = text.replace(/<(?:mailto:)?([-.\w]+\@[-a-z0-9]+(\.[-a-z0-9]+)*\.[a-z]+)>/gi,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1228 function(wholeMatch,m1) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1229 return _EncodeEmailAddress( _UnescapeSpecialChars(m1) );
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1230 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1231 );
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1232 */
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1233 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1234 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1235
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1236 function _UnescapeSpecialChars(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1237 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1238 // Swap back in all the special characters we've hidden.
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1239 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1240 text = text.replace(/~E(\d+)E/g,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1241 function (wholeMatch, m1) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1242 var charCodeToReplace = parseInt(m1);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1243 return String.fromCharCode(charCodeToReplace);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1244 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1245 );
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1246 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1247 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1248
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1249 function _Outdent(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1250 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1251 // Remove one level of line-leading tabs or spaces
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1252 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1253
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1254 // attacklab: hack around Konqueror 3.5.4 bug:
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1255 // "----------bug".replace(/^-/g,"") == "bug"
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1256
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1257 text = text.replace(/^(\t\|[ ]{1,4})/gm, "~0"); // attacklab: g_tab_width
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1258
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1259 // attacklab: clean up hack
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1260 text = text.replace(/~0/g, "")
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1261
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1262 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1263 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1264
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1265 function _Detab(text) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1266 if (!/\t/.test(text))
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1267 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1268
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1269 var spaces = [" ", " ", " ", " "],
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1270 skew = 0,
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1271 v;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1272
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1273 return text.replace(/[\n\t]/g, function (match, offset) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1274 if (match === "\n") {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1275 skew = offset + 1;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1276 return match;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1277 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1278 v = (offset - skew) % 4;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1279 skew = offset + 1;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1280 return spaces[v];
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1281 });
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1282 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1283
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1284 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1285 // attacklab: Utility functions
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1286 //
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1287
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1288 var _problemUrlChars = /(?:["'*()[\]:]\|~D)/g;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1289
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1290 // hex-encodes some unusual "problem" chars in URLs to avoid URL detection problems
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1291 function encodeProblemUrlChars(url) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1292 if (!url)
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1293 return "";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1294
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1295 var len = url.length;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1296
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1297 return url.replace(_problemUrlChars, function (match, offset) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1298 if (match == "~D") // escape for dollar
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1299 return "%24";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1300 if (match == ":") {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1301 if (offset == len - 1 \|\| /[0-9\/]/.test(url.charAt(offset + 1)))
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1302 return ":"
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1303 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1304 return "%" + match.charCodeAt(0).toString(16);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1305 });
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1306 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1307
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1308
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1309 function escapeCharacters(text, charsToEscape, afterBackslash) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1310 // First we have to escape the escape characters so that
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1311 // we can build a character class out of them
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1312 var regexString = "([" + charsToEscape.replace(/([\[\]\\])/g, "\\$1") + "])";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1313
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1314 if (afterBackslash) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1315 regexString = "\\\\" + regexString;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1316 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1317
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1318 var regex = new RegExp(regexString, "g");
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1319 text = text.replace(regex, escapeCharacters_callback);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1320
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1321 return text;
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1322 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1323
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1324
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1325 function escapeCharacters_callback(wholeMatch, m1) {
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1326 var charCodeToEscape = m1.charCodeAt(0);
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1327 return "~E" + charCodeToEscape + "E";
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1328 }
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1329
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1330 }; // end of the Markdown.Converter constructor
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1331
59cad6ce1a1c Added support for history and diffing. Ludovic Chabant <ludovic@chabant.com> parents: diff changeset	1332 })();