Syntax Coloring of Source Code
Trac supports language-specific syntax highlighting of source code in wiki formatted text and the repository browser.
To do this, Trac uses external libraries with support for a great number of programming languages.
Currently Trac supports syntax coloring using one or more of the following packages:
To activate syntax coloring, simply install either one (or more) of these packages. No additional configuration is required, however to modify the colors, have a look at trac/htdocs/css/code.css.
When in use, Trac will automatically prioritize SilverCity highlighting over Enscript if possible, (see note below).
If neither package is available, Trac will display the data as plain text.
Note: Enscript supports a greater number of languages, however SilverCity is generally faster since it is a library and isn't executed in an external process.
SilverCity uses the lexer from Scintilla. Scintilla supports more languages than SilverCity implements. If you want to add a language to SilverCity supported by Scintilla, it's not very difficult. See SilverCityAddLanguage for some information how.
Syntax Coloring Support
| | SilverCity | Enscript
|
| Ada | | X
|
| Asm | | X
|
| * ASP | X | X
|
| * C | X | X
|
| * C++ | X | X
|
| * Java | | X
|
| Awk | | X
|
| CSS | X |
|
| Diff | | X
|
| Eiffel | | X
|
| Elisp | | X
|
| Fortran | | X
|
| Haskell | | X
|
| HTML | X | X
|
| IDL | | X
|
| Javascript | X | X
|
| m4 | | X
|
| Makefile | | X
|
| Matlab | | X
|
| Objective-C | | X
|
| Pascal | | X
|
| * Perl | X | X
|
| * PHP | X | X
|
| PSP | X |
|
| Pyrex | | X
|
| * Python | X | X
|
| * Ruby | X | X (1)
|
| Scheme | | X
|
| Shell | | X
|
| SQL | X | X
|
| Troff | | X
|
| TCL | | X
|
| Tex | | X
|
| Verilog | | X
|
| VHDL | | X
|
| Visual Basic | | X
|
| VRML | | X
|
| XML | X | X
|
(*) Supported as inline code blocks in Wiki text using WikiProcessors.
(1) Ruby highlighting is not included in the Enscript distribution. Highlighting rules for Ruby can be obtained from: http://neugierig.org/software/ruby/
See also: WikiProcessors, WikiFormatting, TracWiki, TracBrowser
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