diff options
Diffstat (limited to 'include/text.php')
| -rw-r--r-- | include/text.php | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/text.php b/include/text.php index bd59aa732..50a3d8892 100644 --- a/include/text.php +++ b/include/text.php @@ -2881,3 +2881,48 @@ function flatten_array_recursive($arr) { } return($ret); } + +function text_highlight($s,$lang) { + + if($lang === 'js') + $lang = 'javascript'; + + if(! strpos('Text_Highlighter',get_include_path())) { + set_include_path(get_include_path() . PATH_SEPARATOR . 'library/Text_Highlighter'); + } + 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); + + // The highlighter library insists on an opening php tag for php code blocks. If + // it isn't present, nothing is highlighted. So we're going to see if it's present. + // If not, we'll add it, and then quietly remove it after we get the processed output back. + + 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); + $o = str_replace([" ","\n"],[" ",''],$o); + + if($tag_added) { + $b = substr($o,0,strpos($o,'<li>')); + $e = substr($o,strpos($o,'</li>')); + $o = $b . $e; + } + + return('<code>' . $o . '</code>'); +} + |