GeSHi supporting a wide range of popular languages. Wrap code blocks with <pre lang="LANGUAGE" line="1"> and </pre> where LANGUAGE is a geshi supported language syntax. The line attribute is optional. Author: Ryan McGeary Version: 0.6.1 Author URI: http://ryan.mcgeary.org/ */ # # Copyright (c) 2007 Ryan McGeary # # This file is part of WP-Syntax. # # WP-Syntax 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. # # WP-Syntax 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 WP-Syntax; if not, write to the Free Software Foundation, Inc., 59 # Temple Place, Suite 330, Boston, MA 02111-1307 USA # include_once("geshi/geshi.php"); function wp_syntax_code_trim($code) { // special ltrim b/c leading whitespace matters on 1st line of content $code = preg_replace("/^\s*\n/siU", "", $code); $code = rtrim($code); return $code; } function wp_syntax_substitute(&$match) { global $wp_syntax_token, $wp_syntax_matches; $i = count($wp_syntax_matches); $wp_syntax_matches[$i] = $match; return "\n\n

" . $wp_syntax_token . sprintf("%03d", $i) . "

\n\n"; } function wp_syntax_line_numbers($code, $start) { $line_count = count(explode("\n", $code)); $output = "
";
    for ($i = 0; $i < $line_count; $i++)
    {
        $output .= ($start + $i) . "\n";
    }
    $output .= "
"; return $output; } function wp_syntax_highlight($match) { global $wp_syntax_matches; $i = intval($match[1]); $match = $wp_syntax_matches[$i]; $language = strtolower(trim($match[1])); $line = trim($match[2]); $code = wp_syntax_code_trim($match[3]); $geshi = new GeSHi($code, $language); $geshi->enable_keyword_links(false); do_action_ref_array('wp_syntax_init_geshi', array(&$geshi)); $output = "\n
"; if ($line) { $output .= "
"; $output .= wp_syntax_line_numbers($code, $line); $output .= ""; $output .= $geshi->parse_code(); $output .= "
"; } else { $output .= "
"; $output .= $geshi->parse_code(); $output .= "
"; } return $output .= "
\n"; return $output; } function wp_syntax_before_filter($content) { return preg_replace_callback( "/\s*(.*)<\/pre>\s*/siU", "wp_syntax_substitute", $content ); } function wp_syntax_after_filter($content) { global $wp_syntax_token; $content = preg_replace_callback( "/

\s*".$wp_syntax_token."(\d{3})\s*<\/p>/si", "wp_syntax_highlight", $content ); return $content; } $wp_syntax_token = md5(uniqid(rand())); // We want to run before other filters; hence, a priority of 0 was chosen. // The lower the number, the higher the priority. 10 is the default and // several formatting filters run at or around 6. add_filter('the_content', 'wp_syntax_before_filter', 0); add_filter('the_excerpt', 'wp_syntax_before_filter', 0); add_filter('comment_text', 'wp_syntax_before_filter', 0); // We want to run after other filters; hence, a priority of 99. add_filter('the_content', 'wp_syntax_after_filter', 99); add_filter('the_excerpt', 'wp_syntax_after_filter', 99); add_filter('comment_text', 'wp_syntax_after_filter', 99); ?>