用 Java/Scala 标记 HTML

我知道以下项目(大部分来自 http://www.w3.org/community/markdown/wiki/MarkdownImplementations) :

用 Java 实现:

Txtmark http://github.com/rjeschke/txtmark(声称是运行在 JVM 上的最快 MD 处理器)
Markdown4jhttp://code.google.com/p/markdown4j(txtmark 的 fork，优点? 更活跃的 dev?)
MarkdownPapers http://markdown.tautua.org/(基于 JavaCC 解析器)
固定式 http://github.com/sirthias/pegdown
MarkdownJ http://code.google.com/p/markdownj(废弃?)

在 Scala 中实现:

莱卡 https://github.com/planet42
精算 http://henkelmann.eu/projects/actuarius/(根据作者不完全符合标准)
仿制 http://tristanhunt.com/projects/knockoff(MD 的唯一子集?)
ScalaMD https://github.com/chirino/scalamd

问: 各自的表现特点、缺陷和怪癖是什么？哪些支持 Github 扩展？你会推荐哪一部戏剧！/Scala 应用程序？

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最佳答案

The fantastic microbenchmark tool created by MarkdownPapers' author compares the performance for the following implementations:

MarkdownPapers
PegDown
Knockoff
MarkdownJ
TxtMark

TxtMark far exceeds the performance of the other tools, as shown in the following graph:

Performance comparisons of markdown implementations

PegDown, which supports many GitHub extensions and others, is far more fully featured. Custom plugins or extensions are also possible.

My use case involved processing markdown from an administrative screen where performance was less impactful than a rich feature set, which meant PegDown won over TxtMark.