2011-07-19 09:12:50 +00:00
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Sundown
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2011-04-15 08:36:46 +00:00
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=======
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2011-07-18 21:27:33 +00:00
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`Sundown` is a Markdown parser based on the original code of the
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[Upskirt library](http://fossil.instinctive.eu/libupskirt/index) by Natacha Porté.
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2011-04-15 08:36:46 +00:00
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2011-07-18 21:27:33 +00:00
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Features
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--------
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2011-04-15 08:58:19 +00:00
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2011-07-19 08:03:14 +00:00
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* **Fully standards compliant**
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2011-07-18 21:27:33 +00:00
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`Sundown` passes out of the box the official Markdown v1.0.0 and v1.0.3
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test suites, and has been extensively tested with additional corner cases
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to make sure its output is as sane as possible at all times.
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2011-07-18 21:27:33 +00:00
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* **Massive extension support**
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2011-07-18 21:27:33 +00:00
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`Sundown` has optional support for several (unofficial) Markdown extensions,
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such as non-strict emphasis, fenced code blocks, tables, autolinks,
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strikethrough and more.
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2011-07-18 21:27:33 +00:00
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* **Tested & Ready to be used on production**
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2011-09-02 21:07:02 +00:00
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2011-07-18 21:27:33 +00:00
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`Sundown` has been extensively security audited, and includes protection against
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all possible DOS attacks (stack overflows, out of memory situations, malformed
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Markdown syntax...) and against client attacks through malicious embedded HTML.
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2011-07-18 21:27:33 +00:00
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We've worked very hard to make `Sundown` never crash or run out of memory
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under *any* input. `Sundown` renders all the Markdown content in GitHub and so
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2011-09-02 21:07:02 +00:00
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far hasn't crashed a single time.
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* **Customizable renderers**
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2011-07-18 21:27:33 +00:00
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`Sundown` is not stuck with XHTML output: the Markdown parser of the library
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2011-04-15 08:36:46 +00:00
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is decoupled from the renderer, so it's trivial to extend the library with
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2011-07-18 21:27:33 +00:00
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custom renderers. A fully functional (X)HTML renderer is included.
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2011-07-18 21:27:33 +00:00
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* **Optimized for speed**
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2011-07-18 21:27:33 +00:00
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`Sundown` is written in C, with a special emphasis on performance. When wrapped
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on a dynamic language such as Python or Ruby, it has shown to be up to 40
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times faster than other native alternatives.
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2011-07-18 21:27:33 +00:00
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* **Zero-dependency**
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2011-07-18 21:27:33 +00:00
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`Sundown` is a zero-dependency library composed of 3 `.c` files and their headers.
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No dependencies, no bullshit. Only standard C99 that builds everywhere.
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2011-05-05 14:46:49 +00:00
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Credits
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-------
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2011-04-15 08:36:46 +00:00
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2011-07-18 21:27:33 +00:00
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`Sundown` is based on the original Upskirt parser by Natacha Porté, with many additions
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by Vicent Marti (@tanoku) and contributions from the following authors:
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2011-07-18 21:27:33 +00:00
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Ben Noordhuis, Bruno Michel, Joseph Koshy, Krzysztof Kowalczyk, Samuel Bronson,
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Shuhei Tanuma
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2011-04-15 08:36:46 +00:00
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2011-05-11 17:11:55 +00:00
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Bindings
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--------
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`Sundown` is available from other programming languages thanks to these bindings developed
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by our awesome contributors.
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- [Redcarpet](https://github.com/tanoku/redcarpet) (Ruby)
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- [RobotSkirt](https://github.com/benmills/robotskirt) (Node.js)
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2011-07-05 01:22:47 +00:00
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- [Misaka](https://github.com/FSX/misaka) (Python)
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2011-07-29 16:57:10 +00:00
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- [ffi-sundown](https://github.com/postmodern/ffi-sundown) (Ruby FFI)
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2011-09-02 21:07:02 +00:00
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- [Sundown HS](https://github.com/rostayob/sundown) (Haskell)
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2011-05-24 16:10:19 +00:00
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- [Goskirt](https://github.com/madari/goskirt) (Go)
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- [Upskirt.go](https://github.com/buu700/upskirt.go) (Go)
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- [MoonShine](https://github.com/brandonc/moonshine) (.NET)
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2011-07-29 16:57:10 +00:00
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- [PHP-Sundown](https://github.com/chobie/php-sundown) (PHP)
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- [Sundown.net](https://github.com/txdv/sundown.net) (.NET)
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2011-05-11 17:11:55 +00:00
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2011-04-15 08:36:46 +00:00
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Help us
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-------
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2011-07-18 21:27:33 +00:00
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`Sundown` is all about security. If you find a (potential) security vulnerability in the
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2011-06-05 18:52:25 +00:00
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library, or a way to make it crash through malicious input, please report it to us,
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either directly via email or by opening an Issue on GitHub, and help make the web safer
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for everybody.
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2011-04-15 08:36:46 +00:00
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Install
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-------
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2011-07-18 21:27:33 +00:00
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There is nothing to install. `Sundown` is composed of 3 `.c` files (`markdown.c`,
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`buffer.c` and `array.c`), so just throw them in your project. Zero-dependency means
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2011-07-18 21:27:33 +00:00
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zero-dependency. You might want to include `render/html.c` if you want to use the
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2011-06-05 18:52:25 +00:00
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included XHTML renderer, or write your own renderer. Either way, it's all fun and joy.
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2011-04-15 08:36:46 +00:00
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2011-07-18 21:27:33 +00:00
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If you are hardcore, you can use the included `Makefile` to build `Sundown` into a dynamic
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library, or to build the sample `sundown` executable, which is just a commandline
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2011-06-05 18:54:22 +00:00
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Markdown to XHTML parser. (If gcc gives you grief about `-fPIC`, e.g. with MinGW, try
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`make MFLAGS=` instead of just `make`.)
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2011-04-15 08:36:46 +00:00
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License
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-------
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Permission to use, copy, modify, and distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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2011-06-05 18:52:25 +00:00
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<!-- Local Variables: -->
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<!-- fill-column: 89 -->
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<!-- End: -->
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