Scala Syntax Highlighting for WP Supporting tagline
Writing the previous post I realized that the Wordpress plugin for syntax highligting I was using (Highlight Source Pro) didn’t support Scala.
Instead I tried the WP-Syntax plugin, but this didn’t support Symbol literals:
val sym = 'foobar
println("Symbol is: " + sym)
val other = 'barfoo
This seems to be because of single quote being interpreted as a quotation character. A fix seems to be removing the single quote from the Geshi language definition file scala.php in the wp-syntax/geshi/geshi directory. While there one can also specify a regex for symbols and give them their own color:
val sym = 'foobar
println("Symbol is: " + sym)
val other = 'barfoo
Also check out the `scala.php` in the LAMP repository - it seems to add some additional keywords and other colors. I used this and made the changes described above.
Full new scala.php for Geshi after the break.
<?php
/*************************************************************************************
* scala.php
* --------
* Author: Geoffrey Washburn (washburn@acm.ogr)
* Copyright: (c) 2004 Nigel McNie (http://qbnz.com/highlighter/)
* Release Version: ???
* Date Started: 2008/01/03
*
* Scala language file for GeSHi.
*
* CHANGES
* -------
* 2007/01/03
* - Created by copying the Java highlighter
*
* TODO
* -------------------------
* * Finish
*
*************************************************************************************
*
* This file is part of GeSHi.
*
* GeSHi is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GeSHi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GeSHi; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
************************************************************************************/
$language_data = array (
'LANG_NAME' => 'Scala',
'COMMENT_SINGLE' => array(1 => '//'), /* import statements are not comments! */
'COMMENT_MULTI' => array('/*' => '*/'),
'CASE_KEYWORDS' => GESHI_CAPS_NO_CHANGE,
'QUOTEMARKS' => array('"', '"""'),
'ESCAPE_CHAR' => '\\',
'KEYWORDS' => array(
1 => array(
/* Scala keywords, part 1: control flow */
'case', 'default', 'do', 'else', 'for',
'if', 'match', 'while'
),
2 => array(
/* Scala keywords, part 2 */
'return', 'throw',
'try', 'catch', 'finally',
'abstract', 'class', 'def', 'extends',
'final', 'forSome', 'implicit', 'import',
'lazy', 'new', 'object', 'override', 'package',
'private', 'protected',
'requires', 'sealed', 'super', 'this', 'trait', 'type',
'val', 'var', 'with', 'yield'
),
3 => array(
/* Scala keywords, part 3: standard value types */
'unit', 'Unit', 'boolean', 'Boolean', 'int', 'Int', 'Any', 'AnyVal', 'Nothing',
),
4 => array(
/* other reserved words in Scala: literals */
/* should be styled to look similar to numbers and Strings */
'false', 'null', 'true'
),
5 => array(
/* Scala reference types */
'AnyRef', 'Null', 'List', 'String', 'Integer', 'Option', 'Array'
)
),
'SYMBOLS' => array(
':', '*', '&', '%', '!', ';', '<', '>', '?', '_', '=', '=>',
'<-', '<:', '<%', '>:', '#', '@'
),
'CASE_SENSITIVE' => array(
GESHI_COMMENTS => true,
/* all Scala keywords are case sensitive */
1 => true, 2 => true, 3 => true, 4 => true, 5 => true ),
'STYLES' => array(
'KEYWORDS' => array(
1 => 'color: #b1b100;',
2 => 'color: #000000; font-weight: bold;',
3 => 'color: #993333;',
4 => 'color: #b13366;',
5 => 'color: #aaaadd;'
),
'SYMBOLS' => array(
0 => 'color: #FFAA00;'
),
'COMMENTS' => array(
1 => 'color: #808080; font-style: italic;',
'MULTI' => 'color: #808080; font-style: italic;'
),
'ESCAPE_CHAR' => array(
0 => 'color: #000099; font-weight: bold;'
),
'BRACKETS' => array(
0 => 'color: #66cc66;'
),
'STRINGS' => array(
0 => 'color: #ff0000;'
),
'NUMBERS' => array(
0 => 'color: #cc66cc;'
),
'METHODS' => array(
1 => 'color: #006600;',
2 => 'color: #006600;'
),
'SCRIPT' => array(
),
'REGEXPS' => array(
0 => 'color: #008000;'
)
),
'URLS' => array(
1 => '',
2 => '',
3 => '',
4 => ''
),
'OOLANG' => true,
'OBJECT_SPLITTERS' => array(
1 => '.'
),
'REGEXPS' => array(
0 => "'[a-zA-Z_][a-zA-Z0-9_]*"
),
'STRICT_MODE_APPLIES' => GESHI_NEVER,
'SCRIPT_DELIMITERS' => array(
),
'HIGHLIGHT_STRICT_BLOCK' => array(
)
);
?>
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Published
30 June 2008