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wp-code-prettify.php
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wp-code-prettify.php
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<?php
/*
Plugin Name: WP Code Prettify
Plugin URI: http://wordpress.org/extend/plugins/wp-code-prettify/
Description: This plugin enable syntax highlighting of code snippets in your post using Google Code Prettify.
Version: 0.2.7
Author: Soli
Author URI: http://www.cbug.org
Text Domain: wp-code-prettify
Domain Path: /lang
Copyright (c) 2011-2014
Released under the GPL license
http://www.gnu.org/licenses/gpl.txt
*/
if(!class_exists('WPCodePrettify')) {
class WPCodePrettify {
// Is there some code?
var $there_is_some_code;
function is_str_and_not_empty($var) {
if (!is_string($var))
return false;
if (empty($var))
return false;
if ($var=='')
return false;
return true;
}
function WPCP_ParseCode($matches) {
$this->there_is_some_code = true;
if($this->is_str_and_not_empty($matches[1])) {
$pre = $matches[2];
$plaincode = $matches[3];
$post = $matches[4];
} else if($this->is_str_and_not_empty($matches[5])) {
$pre = $matches[6];
$plaincode = $matches[7];
$post = $matches[8];
} else {
return;
}
// echo "PRE:" . $pre . ":PRE";
// echo "POST:" . $post . ":POST";
// echo "CODE:" . $plaincode . ":CODE";
// $html_entities_match = array( "|\<br \/\>|", "#<#", "#>#", "|'|", '#"#', '# #' );
// $html_entities_replace = array( "\n", '<', '>', "'", '"', ' ' );
$html_entities_match = array( "|\<br \/\>|", "#\<#", "#\>#", "|/|", '#\[#', '#\]#', '#"#', "#'#" );
$html_entities_replace = array( "\n", '<', '>', '/', '[', ']', """, ''');
$plaincode = preg_replace( $html_entities_match, $html_entities_replace, $plaincode );
// $plaincode = str_replace('<', '<', $plaincode);
// $plaincode = str_replace('>', '>', $plaincode);
return $pre . $plaincode . $post;
}
function WPCP_Content($content) {
// return preg_replace_callback("/<pre\s+.*class\s*=\"prettyprint\">(.*)<\/pre>/siU",
return preg_replace_callback('@((<pre\s+.*?class\s*?=\s*?"\s*prettyprint\b.*?\".*?>)(.*?)(</pre>))|((<code\s+.*?class\s*?=\s*?"\s*prettyprint\b.*?\".*?>)(.*?)(</code>))@si',
array($this,'WPCP_ParseCode'),
$content);
}
function WPCP_Head($content) {
// init flag
$this->there_is_some_code = false;
$wp_code_prettify = maybe_unserialize(get_option('wp_code_prettify'));
?>
<?php
if($wp_code_prettify['load_pos'] == 'head') {
$plugin_path = plugins_url('', __FILE__);
?>
<!--wp code prettify-->
<link id="prettify_css" href="<?php echo $plugin_path . '/css/' . $wp_code_prettify['style_file']; ?>" type="text/css" rel="stylesheet" />
<?php if($this->is_str_and_not_empty($wp_code_prettify['style_custom'])) { ?>
<style type="text/css" id="prettify_custom"><?php echo stripslashes($wp_code_prettify['style_custom']); ?></style>
<?php } ?>
<script type="text/javascript" src="<?php echo $plugin_path . '/js/prettify.js'; ?>"></script>
<script type="text/javascript">
function wpCodePrettifyOnLoad(func){
var wpCodePrettifyOldOnLoad = window.onload;
if (typeof window.onload != 'function') {
window.onload = func
} else {
window.onload = function () {
wpCodePrettifyOldOnLoad();
func()
}
}
}
wpCodePrettifyOnLoad(function(){prettyPrint();});
</script>
<!--//wp code prettify-->
<?php
}
echo '<!--wp code prettify-->';
if(array_key_exists('head_custom', $wp_code_prettify) && $this->is_str_and_not_empty($wp_code_prettify['head_custom'])) {
echo stripslashes($wp_code_prettify['head_custom']);
}
}
function WPCP_Footer($content) {
$wp_code_prettify = maybe_unserialize(get_option('wp_code_prettify'));
if($wp_code_prettify['load_pos'] == 'head') {
return;
}
if( $this->there_is_some_code == false && $wp_code_prettify['allways_load'] == 'no') {
return;
}
$plugin_path = plugins_url('', __FILE__);
?>
<!--wp code prettify-->
<script type="text/javascript">
function $(id) {return !id ? null : document.getElementById(id);}
loadPrettifyCss = function () {
if(!$('prettify_css')) {
css = document.createElement('link');
css.id = 'prettify_css';
css.type = 'text/css';
css.rel = 'stylesheet';
css.href = '<?php echo $plugin_path . '/css/' . $wp_code_prettify['style_file']; ?>';
var headNode = document.getElementsByTagName("head")[0];
headNode.appendChild(css);
} else {
$('prettify_css').href = '<?php echo $plugin_path . '/css/' . $wp_code_prettify['style_file']; ?>';
}
if(!$('prettify_custom')) {
css = document.createElement('style');
css.id = 'prettify_custom';
css.type = 'text/css';
css.rel = 'stylesheet';
css.innerHTML = '<?php echo stripslashes($wp_code_prettify['style_custom']); ?>';
var headNode = document.getElementsByTagName("head")[0];
headNode.appendChild(css);
} else {
$('prettify_css').innerHTML = '<?php echo stripslashes($wp_code_prettify['style_custom']); ?>';
}
}
</script>
<script type="text/javascript">
loadPrettifyCss();
</script>
<script type="text/javascript" src="<?php echo $plugin_path . '/js/prettify.js'; ?>"></script>
<script type="text/javascript">
function wpCodePrettifyOnLoad(func){
var wpCodePrettifyOldOnLoad = window.onload;
if (typeof window.onload != 'function') {
window.onload = func
} else {
window.onload = function () {
wpCodePrettifyOldOnLoad();
func()
}
}
}
wpCodePrettifyOnLoad(function(){prettyPrint();});
</script>
<!--//wp code prettify-->
<?php
}
/**
* Registers additional links for the plugin on the WP plugin configuration page
*
* Registers the links if the $file param equals to the plugin
* @param $links Array An array with the existing links
* @param $file string The file to compare to
*/
function RegisterPluginLinks($links, $file) {
load_plugin_textdomain( 'wp-code-prettify', false, dirname( plugin_basename( __FILE__ ) ) . "/lang" );
$base = plugin_basename(__FILE__);
if ($file ==$base) {
$links[] = '<a href="options-general.php?page=wp-code-prettify">' . __('Settings','wp-code-prettify') . '</a>';
$links[] = '<a href="http://www.cbug.org/tag/wp-code-prettify/">' . __('FAQ','wp-code-prettify') . '</a>';
}
return $links;
}
/**
* Handled the plugin activation on installation
*/
function ActivatePlugin() {
$optfile = trailingslashit(dirname(__FILE__)) . "options.txt";
$options = file_get_contents($optfile);
add_option("wp_code_prettify", $options, null, 'no');
}
/**
* Handled the plugin deactivation
*/
function DeactivatePlugin() {
$optfile = trailingslashit(dirname(__FILE__)) . "options.txt";
file_put_contents($optfile, get_option("wp_code_prettify"));
delete_option("wp_code_prettify");
}
} // end of class WPCodePrettify
} // end of if(!class_exists('WPCodePrettify'))
load_plugin_textdomain( 'wp-code-prettify', false, dirname( plugin_basename( __FILE__ ) ) . "/lang" );
if(class_exists('WPCodePrettify')) {
$wpcodeprettify = new WPCodePrettify();
if(isset($wpcodeprettify)) {
register_activation_hook(__FILE__, array(&$wpcodeprettify, 'ActivatePlugin'));
register_deactivation_hook(__FILE__, array(&$wpcodeprettify, 'DeactivatePlugin'));
//Additional links on the plugin page
add_filter('plugin_row_meta', array(&$wpcodeprettify, 'RegisterPluginLinks'),10,2);
//Add the actions
add_action('wp_head', array(&$wpcodeprettify, 'WPCP_Head'));
add_action('get_footer', array(&$wpcodeprettify, 'WPCP_Footer'));
//Add the filters
add_filter('the_content', array(&$wpcodeprettify, 'WPCP_Content'));
add_filter('comment_text', array(&$wpcodeprettify, 'WPCP_Content'));
}
}
/* Options Page */
require_once(trailingslashit(dirname(__FILE__)) . "wp-code-prettify-page.php");
if(class_exists('WPCodePrettifyPage')) {
$wpcodeprettify_page = new WPCodePrettifyPage();
if(isset($wpcodeprettify_page)) {
add_action('admin_menu', array(&$wpcodeprettify_page, 'WPCodePrettify_Menu'), 1);
}
}