txtmark - Java markdown processor

Copyright (C) 2011 René Jeschke rene_jeschke@yahoo.de See LICENSE.txt for licensing information.

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txtmark is yet another markdown processor for the JVM.
... and is damn fast^^

Again this is a WIP release.

TODO:

• block-level HTML element processing
• code clean-ups
• see below (markdown test suite)

MarkdownTest results so far

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Based on MarkdownTest_1.0_2007-05-09

• Amps and angle encoding ... OK
• Auto links ... OK
• Backslash escapes ... OK
• Blockquotes with code blocks ... OK
• Code Blocks ... OK
• Code Spans ... OK
• Hard-wrapped paragraphs with list-like lines ... OK
• Horizontal rules ... OK
• Images ... FAILED (see Note 1)
• Inline HTML (Advanced) ... OK
• Inline HTML (Simple) ... FAILED (see Note 2)
• Inline HTML comments ... FAILED (see Note 2)
• Links, inline style ... OK
• Links, reference style ... OK
• Links, shortcut references ... OK
• Literal quotes in titles ... FAILED (see Note 3)
• Markdown Documentation - Basics ... OK
• Markdown Documentation - Syntax ... FAILED (see Note 2)
• Nested blockquotes ... OK
• Ordered and unordered lists ... OK
• Strong and em together ... OK
• Tabs ... OK
• Tidyness ... OK

18 passed; 5 failed.
Benchmark: 2 wallclock secs ( 0.02 usr 0.01 sys + 1.78 cusr 0.68 csys = 2.49 CPU)

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1. Note:

   Fails because Txtmark doesn't produce empty 'title' image attributes. (IMHO: Images ... OK)

2. Note:

   Fails because of currently missing block-level HTML identification.

3. Note:

   What the frell ... this test will continue to FAIL. Sorry, but using unescaped '"' in a link, which should be surrounded by '"' is unacceptable for me ;)

   Change:

    Foo [bar](/url/ "Title with "quotes" inside").
    [bar]: /url/ "Title with "quotes" inside"
   

   to:

    Foo [bar](/url/ "Title with \"quotes\" inside").
    [bar]: /url/ "Title with \"quotes\" inside"
   

   and Txtmark will produce the correct result.
   (IMHO: Literal quotes in titles ... OK)

Performance comparison of markdown processors for the JVM

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Based on this.
Txtmark's results should not be considered final, they may change in either direction during the upcoming releases.
But I think you get the point.

Test	Actuarius		PegDown		Knockoff		Txtmark
	1st Run (ms)	2nd Run (ms)	1st Run (ms)	2nd Run (ms)	1st Run (ms)	2nd Run (ms)	1st Run (ms)	2nd Run (ms)
Plain Paragraphs	1213	301	1282	944	600	340	125	45
Every Word Emphasized	1579	913	1482	1473	12840	12663	51	43
Every Word Strong	1142	1004	1131	1110	9505	9615	39	39
Every Word Inline Code	374	275	1064	1030	9118	9075	49	35
Every Word a Fast Link	2172	1569	545	530	3951	3385	88	44
Every Word Consisting of Special XML Chars	4008	4243	3029	3319	316	363	1303	1270
Every Word wrapped in manual HTML tags	3041	2874	887	888	3776	3472	570	530
Every Line with a manual line break	457	530	1325	1297	1340	981	46	43
Every word with a full link	359	277	999	952	1713	1658	91	50
Every word with a full image	209	143	1097	1068	1852	1756	33	33
Every word with a reference link	9944	9098	18326	18318	116259	115617	1467	1313
Every block a quote	431	210	1319	1328	477	469	37	37
Every block a codeblock	67	95	374	378	166	174	62	22
Every block a list	852	865	1706	1673	599	622	47	39
All tests together	3313	2904	5273	5333	9732	9698	194	190

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[Markdown] is copyright (c) 2004 by John Gruber [Markdown]: http://daringfireball.net/projects/markdown/ [Actuarius] is copyright (c) 2010 by Christoph Henkelmann [Actuarius]: http://henkelmann.eu/projects/actuarius/ [Knockoff] is copyright (c) 2009-2011 by Tristan Juricek [Knockoff]: http://tristanhunt.com/projects/knockoff/ [PegDown] is copyright (c) 2010 by Mathias Doenitz [PegDown]: https://github.com/sirthias/pegdown

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Project link: https://github.com/rjeschke/txtmark