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Rouge is a pure-ruby syntax highlighter. It can highlight 100+ different languages, and output HTML or ANSI 256-color text. Its HTML output is compatible with stylesheets designed for pygments.
Advantages over pygments.rb
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No need to spawn Python processes.
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We’re faster in almost every measure
Advantages over CodeRay
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The HTML output from Rouge is fully compatible with stylesheets designed for pygments.
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The lexers are implemented with a dedicated DSL, rather than being hand-coded.
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Rouge supports every language CodeRay does and more.
Themes
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Create theme CSS files
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rougify style base16 > ./base16/theme.cssAvailable Themes
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| Theme | Description |
|---|---|
base16 | Itaque cumque nostrum omnis ad eos laborum dolorem. Sint quae vitae nemo error assumenda explicabo quo cumque et maxime labore deleniti. |
base16.dark | |
base16.light | |
base16.monokai | |
base16.monokai.dark | |
base16.monokai.light | |
base16.solarized | |
base16.solarized.dark | |
base16.solarized.light | |
colorful | |
github | |
gruvbox | |
gruvbox.dark | |
gruvbox.light | |
igorpro | |
molokai | |
monokai | |
monokai.sublime | |
pastie | |
thankful_eyes | |
tulip |
Languages and Lexers
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List available Lexers
Note that the canonical, always-up-to-date list of lexers can be found by running:
rougify listSupported Languages
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A - C
| Language | Description |
|---|---|
actionscript | ActionScript [aliases: as,as3] |
apache | configuration files for Apache web server |
apiblueprint | Markdown based API description language. [aliases: apiblueprint,apib] |
applescript | The AppleScript scripting language by Apple Inc. (http://developer.apple.com/applescript/) |
biml | BIML, Business Intelligence Markup Language |
c | The C programming language |
ceylon | Say more, more clearly. |
cfscript | CFScript, the CFML scripting language [aliases: cfc] |
clojure | The Clojure programming language (clojure.org) [aliases: clj,cljs] |
cmake | The cross-platform, open-source build system |
coffeescript | The Coffeescript programming language (coffeescript.org) [aliases: coffee,coffee-script] |
common_lisp | The Common Lisp variant of Lisp (common-lisp.net) [aliases: cl,common-lisp,elisp,emacs-lisp] |
conf | generic lexer for configuration files [aliases: config,configuration] |
coq | Coq (coq.inria.fr) |
cpp | The C programming language [aliases: c] |
csharp | A multi-paradigm language targeting .NET [aliases: c#,cs] |
css | Cascading Style Sheets, used to style web pages |
D - G
| Language | Description |
|---|---|
d | The D programming language(dlang.org) [aliases: dlang] |
dart | The Dart programming language (dartlang.com) |
diff | Lexes unified diffs or patches [aliases: patch,udiff] |
dot | Graphviz graph description language |
eiffel | Eiffel programming language |
elixir | Elixir language (elixir-lang.org) [aliases: elixir,exs] |
erb | Embedded ruby template files [aliases: eruby,rhtml] |
erlang | The Erlang programming language (erlang.org) [aliases: erl] |
factor | Factor, the practical stack language (factorcode.org) |
fortran | Fortran 95 Programming Language |
gherkin | A business-readable spec DSL ( github.com/cucumber/cucumber/wiki/Gherkin ) [aliases: cucumber,behat] |
glsl | The GLSL shader language |
go | The Go programming language (http://golang.org) [aliases: go,golang] |
gradle | A powerful build system for the JVM |
groovy | The Groovy programming language (http://www.groovy-lang.org/) |
H - L
| Language | Description |
|---|---|
haml | The Haml templating system for Ruby (haml.info) [aliases: HAML] |
handlebars | The Handlebars and Mustache templating languages [aliases: hbs,mustache] |
haskell | The Haskell programming language (haskell.org) [aliases: hs] |
html | HTML, the markup language of the web |
http | http requests and responses |
ini | The INI configuration format |
io | The IO programming language (http://iolanguage.com) |
java | The Java programming language (java.com) |
javascript | JavaScript, the browser scripting language [aliases: js] |
jinja | Django/Jinja template engine (jinja.pocoo.org) [aliases: django] |
json | JavaScript Object Notation (json.org) |
json-doc | JavaScript Object Notation with extenstions for documentation |
jsonnet | An elegant, formally-specified config language for JSON |
julia | The Julia programming language [aliases: jl] |
kotlin | Kotlin http://kotlinlang.org |
liquid | Liquid is a templating engine for Ruby (liquidmarkup.org) |
literate_coffeescript | Literate coffeescript [aliases: litcoffee] |
literate_haskell | Literate haskell [aliases: lithaskell,lhaskell,lhs] |
llvm | The LLVM Compiler Infrastructure (http://llvm.org/) |
lua | Lua (http://www.lua.org) |
M - Q
| Language | Description |
|---|---|
make | Makefile syntax [aliases: makefile,mf,gnumake,bsdmake] |
markdown | Markdown, a light-weight markup language for authors [aliases: md,mkd] |
matlab | Matlab [aliases: m] |
mosel | Optimization language used by Fico’s Xpress. (http://www.fico.com/en/products/fico-xpress-optimization-suite/) |
moonscript | Moonscript (http://www.moonscript.org) [aliases: moon] |
nasm | Netwide Assembler |
nginx | configuration files for the nginx web server (nginx.org) |
nim | The Nim programming language (http://nim-lang.org/) [aliases: nimrod] |
objective_c | An extension of C commonly used to write Apple software [aliases: objc] |
ocaml | Objective CAML (ocaml.org) |
pascal | A procedural programming language commonly used as a teaching language. |
perl | The Perl scripting language (perl.org) [aliases: pl] |
php | The PHP scripting language (php.net) [aliases: php,php3,php4,php5] |
plaintext | A boring lexer that doesn’t highlight anything [aliases: text] |
powershell | The Windows powershell [aliases: posh] |
praat | The Praat scripting language (praat.org) |
prolog | The Prolog programming language (http://en.wikipedia.org/wiki/Prolog) [aliases: prolog] |
properties | |
protouf | Google’s language-neutral, platform-neutral, extensible mechanism for serializing structured data [aliases: proto] |
puppet | The Puppet configuration management language (puppetlabs.org) [aliases: pp] |
python | The Python programming language (python.org) [aliases: py] |
qml | QML, a UI markup language [aliases: qml] |
R - S
| Language | Description |
|---|---|
r | The R statistics language (r-project.org) [aliases: r,R,s,S] |
racket | Racket is a Lisp descended from Scheme (racket-lang.org) |
ruby | The Ruby programming language (ruby-lang.org) [aliases: rb] |
rust | The Rust programming language (rust-lang.org) [aliases: rs] |
sass | The Sass stylesheet language language (sass-lang.com) |
scala | The Scala programming language (scala-lang.org) [aliases: scala] |
scheme | The Scheme variant of Lisp |
scss | SCSS stylesheets (sass-lang.com) |
sed | sed, the ultimate stream editor |
shell | Various shell languages, including sh and bash [aliases: bash,zsh,ksh,sh] |
shell_session | A generic lexer for shell session and command line [aliases: terminal,console] |
slim | The Slim template language |
smalltalk | The Smalltalk programming language [aliases: st,squeak] |
smarty | Smarty Template Engine [aliases: smarty] |
sml | Standard ML [aliases: ml] |
sql | Structured Query Language, for relational databases |
swift | Multi paradigm, compiled programming language developed by Apple for iOS and OS X development.(developer.apple.com/swift) |
T - Z
| Language | Description |
|---|---|
tap | Test Anything Protocol [aliases: tap] |
tcl | The Tool Command Language (tcl.tk) |
tex | The TeX typesetting system [aliases: TeX,LaTeX,latex] |
toml | The TOML configuration format (https://github.com/mojombo/toml) |
tulip | The tulip programming language http://github.com/jneen/tulip [aliases: tlp] |
twig | Twig template engine (twig.sensiolabs.org) |
typescript | TypeScript, a superset of JavaScript [aliases: ts] |
vb | Visual Basic [aliases: visualbasic] |
verilog | The System Verilog hardware description language |
viml | VimL, the scripting language for the Vim editor (vim.org) [aliases: vim,vimscript,ex] |
xml | XML |
yaml | Yaml Ain’t Markup Language (yaml.org) [aliases: yml] |