Changes between Version 4 and Version 5 of TracSyntaxColoring


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Timestamp:
Apr 13, 2010, 3:53:03 AM (14 years ago)
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trac
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  • TracSyntaxColoring

    v4 v5  
    11= Syntax Coloring of Source Code =
    2 Trac supports language-specific syntax highlighting of source code within wiki formatted text in [WikiProcessors#CodeHighlightingSupport wiki processors] blocks and in the [TracBrowser repository browser].
     2Trac supports language-specific syntax highlighting of source code in [wiki:WikiFormatting wiki formatted] text and the [wiki:TracBrowser repository browser].
    33
    44To do this, Trac uses external libraries with support for a great number of programming languages.
     
    66Currently Trac supports syntax coloring using one or more of the following packages:
    77
    8  * [http://pygments.pocoo.org/ Pygments], by far the preferred system, as it covers a wide range of programming languages and other structured texts and is actively supported
    9  * [http://www.codento.com/people/mtr/genscript/ GNU Enscript], commonly available on Unix but somewhat unsupported on Windows
    10  * [http://silvercity.sourceforge.net/ SilverCity], legacy system, some versions can be [http://trac.edgewall.org/wiki/TracFaq#why-is-my-css-code-not-being-highlighted-even-though-i-have-silvercity-installed problematic]
     8 * [http://www.codento.com/people/mtr/genscript/ GNU Enscript]
     9 * [http://silvercity.sourceforge.net/ SilverCity]
     10 * [http://pygments.pocoo.org/ Pygments] (but needs a plugin for 0.10, see [#AboutPygments below])
    1111
     12To 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`.
    1213
    13 To activate syntax coloring, simply install either one (or more) of these packages (see [#ExtraSoftware] section below).
    14 If none of these packages is available, Trac will display the data as plain text.
     14If you don't know why trac isnt detecting an installed library, try turning on Trac logging. It actually appears that Trac is broken with SilverCity 0.9.6. Either use the current 0.9.7 or the older 0.9.5 http://trac.edgewall.org/wiki/TracFaq#why-is-my-css-code-not-being-highlighted-even-though-i-have-silvercity-installed
    1515
     16When in use, Trac will automatically prioritize !SilverCity highlighting over Enscript if possible, (see note below).
     17
     18If neither package is available, Trac will display the data as plain text.
     19
     20'''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.
     21
     22=== About !SilverCity ===
     23!SilverCity uses the lexer from [http://www.scintilla.org/ 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 [http://trac.edgewall.org/wiki/SilverCityAddLanguage SilverCityAddLanguage] for some information how.
    1624
    1725=== About Pygments ===
    1826
    19 Starting with trac 0.11 [http://pygments.org/ pygments] will be the new default highlighter. It's a highlighting library implemented in pure python, very fast, easy to extend and [http://pygments.org/docs/ well documented].
     27Starting with trac 0.11 [http://pygments.org/ pygments] will be the new default highlighter. It's a highlighting library implemented in pure python, very fast, easy to extend and [http://pygments.org/docs/ well documented]. While it does not support as many languages as Enscript or Scintilla the overall output quality is much better.
    2028
    21 The Pygments default style can specified in the [TracIni#mimeviewer-section mime-viewer] section of trac.ini. The default style can be overridden by setting a Style preference on the [/prefs/pygments preferences page].
     29To use pygments in trac 0.11 you just have to install pygments 0.6 or higher (pygments_default_style = colorful under [mimeviewer] options has to be added).If you want to use it in trac 0.10 too you have to install the [http://trac-hacks.org/wiki/TracPygmentsPlugin TracPygmentsPlugin] from trac hacks. If you encounter any bugs, please file tickets regarding Pygments in [http://dev.pocoo.org/projects/pygments/ the pygments trac].
    2230
    2331It's very likely that the list below is outdated because the list of supported pygments lexers is growing weekly. Just have a look at the page of [http://pygments.org/docs/lexers/ supported lexers] on the pygments webpage.
     
    2634== Syntax Coloring Support ==
    2735
    28 === Known MIME Types
     36|| || !SilverCity || Enscript || Pygments ||
     37|| Ada      ||   || X || ||
     38|| Asm      ||   || X || ||
     39|| Apache Conf (htaccess)) || || || X ||
     40|| * ASP    || X || X || ||
     41|| * C      || X || X || X ||
     42|| * C#     ||   || X(2) || X ||
     43|| * C++    || X || X || X ||
     44|| * Java   || X(4)|| X || X ||
     45|| Awk      ||   || X || ||
     46|| Boo || || || X ||
     47|| CSS      || X ||   || X ||
     48|| Python Doctests || || || X ||
     49|| Diff     ||   || X || X ||
     50|| Eiffel   ||   || X || ||
     51|| Elisp    ||   || X || ||
     52|| Fortran  ||   || X(3) || ||
     53|| Haskell  ||   || X || X ||
     54|| Genshi || || || X ||
     55|| HTML     || X || X || X ||
     56|| IDL      ||   || X || ||
     57|| INI || || || X ||
     58|| Javascript || X || X || X ||
     59|| Lua || || || X ||
     60|| m4       ||   || X || ||
     61|| Makefile ||   || X || X ||
     62|| Mako || || || X ||
     63|| Matlab   ||   || X (5) || ||
     64|| Mygthy || || || X ||
     65|| Objective-C|| || X || ||
     66|| OCaml    ||   ||   || X ||
     67|| Pascal   ||   || X || X ||
     68|| * Perl   || X || X || X ||
     69|| * PHP    || X ||   || X ||
     70|| PSP      || X ||   || ||
     71|| Pyrex    ||   || X || ||
     72|| * Python || X || X || X ||
     73|| * Ruby   || X || X (1) || X ||
     74|| Scheme   ||   || X || X ||
     75|| Shell    ||   || X || X ||
     76|| Smarty || || || X ||
     77|| SQL      || X || X || X ||
     78|| Troff    ||   || X || X ||
     79|| TCL      ||   || X || ||
     80|| Tex      ||   || X || X ||
     81|| Verilog  || X(4) || X || ||
     82|| VHDL     ||   || X || ||
     83|| Visual Basic |||| X || X ||
     84|| VRML     ||   || X || ||
     85|| XML      || X ||  || X ||
    2986
    30 [[KnownMimeTypes]]
     87''(*) Supported as inline code blocks in [wiki:WikiFormatting Wiki text] using WikiProcessors.''
    3188
     89''(1) Ruby highlighting is not included in the Enscript distribution.  Highlighting rules for Ruby can be obtained from: http://neugierig.org/software/ruby/
    3290
    33 === List of Languages Supported, by Highlighter #language-supported
     91''(2) C# highlighting is not included in the Enscript distribution.  Highlighting rules for C# can be obtained from: http://wiki.hasno.info/index.php/Csharp.st
    3492
    35 This list is only indicative.
     93''(3) Fortran: as packaged, Enscript only supports the fixed source form. Highlighting rules for Fortran 90x/2003 can be obtained from: http://wiki.hasno.info/index.php/F90.st
    3694
    37 ||                 ||= !SilverCity   =||= Enscript      =||= Pygments =||
    38 || Ada             ||                 ||  ✓              ||     ||
    39 || Asm             ||                 ||  ✓              ||     ||
    40 || Apache Conf     ||                 ||                 ||  ✓  ||
    41 || ASP             ||  ✓              ||  ✓              ||     ||
    42 || C               ||  ✓              ||  ✓              ||  ✓  ||
    43 || C#              ||                 ||  ✓ ^[#a1 (1)]^  ||  ✓  ||
    44 || C++             ||  ✓              ||  ✓              ||  ✓  ||
    45 || Java            ||  ✓ ^[#a2 (2)]^  ||  ✓              ||  ✓  ||
    46 || Awk             ||                 ||  ✓              ||     ||
    47 || Boo             ||                 ||                 ||  ✓  ||
    48 || CSS             ||  ✓              ||                 ||  ✓  ||
    49 || Python Doctests ||                 ||                 ||  ✓  ||
    50 || Diff            ||                 ||  ✓              ||  ✓  ||
    51 || Eiffel          ||                 ||  ✓              ||     ||
    52 || Elisp           ||                 ||  ✓              ||     ||
    53 || Fortran         ||                 ||  ✓ ^[#a1 (1)]^  ||  ✓  ||
    54 || Haskell         ||                 ||  ✓              ||  ✓  ||
    55 || Genshi          ||                 ||                 ||  ✓  ||
    56 || HTML            ||  ✓              ||  ✓              ||  ✓  ||
    57 || IDL             ||                 ||  ✓              ||     ||
    58 || INI             ||                 ||                 ||  ✓  ||
    59 || Javascript      ||  ✓              ||  ✓              ||  ✓  ||
    60 || Lua             ||                 ||                 ||  ✓  ||
    61 || m4              ||                 ||  ✓              ||     ||
    62 || Makefile        ||                 ||  ✓              ||  ✓  ||
    63 || Mako            ||                 ||                 ||  ✓  ||
    64 || Matlab ^[#a3 (3)]^  ||             ||  ✓              ||  ✓  ||
    65 || Mygthy          ||                 ||                 ||  ✓  ||
    66 || Objective-C     ||                 ||  ✓              ||  ✓  ||
    67 || OCaml           ||                 ||                 ||  ✓  ||
    68 || Pascal          ||                 ||  ✓              ||  ✓  ||
    69 || Perl            ||  ✓              ||  ✓              ||  ✓  ||
    70 || PHP             ||  ✓              ||                 ||  ✓  ||
    71 || PSP             ||  ✓              ||                 ||     ||
    72 || Pyrex           ||                 ||  ✓              ||     ||
    73 || Python          ||  ✓              ||  ✓              ||  ✓  ||
    74 || Ruby            ||  ✓              ||  ✓ ^[#a1 (1)]^  ||  ✓  ||
    75 || Scheme          ||                 ||  ✓              ||  ✓  ||
    76 || Shell           ||                 ||  ✓              ||  ✓  ||
    77 || Smarty          ||                 ||                 ||  ✓  ||
    78 || SQL             ||  ✓              ||  ✓              ||  ✓  ||
    79 || Troff           ||                 ||  ✓              ||  ✓  ||
    80 || TCL             ||                 ||  ✓              ||     ||
    81 || Tex             ||                 ||  ✓              ||  ✓  ||
    82 || Verilog         ||  ✓ ^[#a2 (2)]^  ||  ✓              ||     ||
    83 || VHDL            ||                 ||  ✓              ||     ||
    84 || Visual Basic    ||                 ||  ✓              ||  ✓  ||
    85 || VRML            ||                 ||  ✓              ||     ||
    86 || XML             ||  ✓              ||                 ||  ✓  ||
     95''(4) since Silvercity 0.9.7 released on 2006-11-23
    8796
    88 
    89 
    90 ''[=#a1 (1)] Not included in the Enscript distribution.  Additional highlighting rules can be obtained for
    91 [http://neugierig.org/software/ruby/ Ruby],
    92 [http://wiki.hasno.info/index.php/Csharp.st C#],
    93 [http://wiki.hasno.info/index.php/F90.st Fortran 90x/2003]
    94 
    95 ''[=#a2 (2)] since Silvercity 0.9.7 released on 2006-11-23
    96 
    97 ''[=#a3 (3)] By default `.m` files are considered Objective-C files. In order to treat `.m` files as MATLAB files, add "text/x-matlab:m" to the "mime_map" setting in the [wiki:TracIni#mimeviewer-section "[mimeviewer] section of trac.ini"].
     97''(5) By default `.m` files are considered Objective-C files. In order to treat `.m` files as MATLAB files, add "text/x-matlab:m" to the "mime_map" setting in the [wiki:TracIni#mimeviewer-section "[mimeviewer] section of trac.ini"].
    9898
    9999== Extra Software ==
     
    105105----
    106106See also: WikiProcessors, WikiFormatting, TracWiki, TracBrowser
     107

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