harukin/core
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provide syntax based [colour] highlighting on code blocks for popular languages. I'm not happy with the line height on the list elements but couldn't see where this was defaulted. This uses the syntax [code=xxx]some code snippet[/code], where xxx represents a code/language style - with about 18 builtins.

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This commit is contained in:
redmatrix
2016-06-15 19:44:15 -07:00
parent 476116a972
commit fa48de33c2
55 changed files with 23433 additions and 0 deletions
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14
include/bbcode.php
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@@ -491,6 +491,11 @@ function bb_code($match) {
return '<code class="inline-code">' . trim($match[1]) . '</code>';
}
function bb_highlight($match) {
if(in_array($match[1],['php','css','mysql','sql','abap','diff','html','perl','ruby',
'vbscript','avrc','dtd','java','xml','cpp','python','javascript','sh']))
return text_highlight($match[2],$match[1]);
}
// BBcode 2 HTML was written by WAY2WEB.net
@@ -566,6 +571,15 @@ function bbcode($Text, $preserve_nl = false, $tryoembed = true, $cache = false)
$Text = str_replace(">", "&gt;", $Text);
// Check for [code] text here, before the linefeeds are messed with.
// The highlighter will unescape and re-escape the content.
if (strpos($Text,'[code=') !== false) {
$Text = preg_replace_callback("/\[code=(.*?)\](.*?)\[\/code\]/ism", 'bb_highlight', $Text);
}
// Convert new line chars to html <br /> tags
// nlbr seems to be hopelessly messed up

38
include/text.php
View File

@@ -2881,3 +2881,41 @@ function flatten_array_recursive($arr) {
}
return($ret);
}
function text_highlight($s,$lang) {
if(! strpos('Text_Highlighter',get_include_path())) {
set_include_path(get_include_path() . PATH_SEPARATOR . 'library/Text_Highlighter');
head_add_css('/library/Text_Highlighter/sample.css');
}
require_once('library/Text_Highlighter/Text/Highlighter.php');
require_once('library/Text_Highlighter/Text/Highlighter/Renderer/Html.php');
$options = array(
'numbers' => HL_NUMBERS_LI,
'tabsize' => 4,
);
$tag_added = false;
$s = trim(html_entity_decode($s,ENT_COMPAT));
$s = str_replace(" ","\t",$s);
if($lang === 'php') {
if(strpos('<?php',$s) !== 0) {
$s = '<?php' . "\n" . $s;
$tag_added = true;
}
}
$renderer = new Text_Highlighter_Renderer_HTML($options);
$hl = Text_Highlighter::factory($lang);
$hl->setRenderer($renderer);
$o = $hl->highlight($s);
$o = str_replace(" ","&nbsp;&nbsp;&nbsp;&nbsp;",$o);
if($tag_added) {
$b = substr($o,0,strpos($o,'<li>'));
$e = substr($o,strpos($o,'</li>'));
$o = $b . $e;
}
return('<code>' . $o . '</code>');
}