* @copyright 2014 AnsPress.io & Rahul Aryan
* @license GPL-3.0+ https://www.gnu.org/licenses/gpl-3.0.txt
* @link https://anspress.io
* @package AnsPress
* @subpackage Syntax Highlighter Addon
* @since 4.1.0
*/
namespace AnsPress\Addons;
// If this file is called directly, abort.
if ( ! defined( 'WPINC' ) ) {
die;
}
/**
* The syntax highlighter class.
*
* @since 4.1.0
*/
class Syntax_Highlighter extends \AnsPress\Singleton {
/**
* Instance of this class.
*
* @var object
* @since 4.1.8
*/
protected static $instance = null;
/**
* The brushes.
*
* @var array
*/
var $brushes = [];
/**
* Initialize the addon.
*/
protected function __construct() {
$this->brush();
anspress()->add_filter( 'wp_enqueue_scripts', $this, 'scripts' );
anspress()->add_filter( 'tiny_mce_before_init', $this, 'mce_before_init' );
anspress()->add_filter( 'ap_editor_buttons', $this, 'editor_buttons', 10, 2 );
anspress()->add_filter( 'ap_allowed_shortcodes', $this, 'allowed_shortcodes' );
add_shortcode( 'apcode', [ $this, 'shortcode' ] );
}
/**
* Register scripts and styles.
*
* @return void
*/
public function scripts() {
$js_url = ANSPRESS_URL . '/addons/syntaxhighlighter/syntaxhighlighter/scripts/';
$css_url = ANSPRESS_URL . '/addons/syntaxhighlighter/syntaxhighlighter/styles/';
echo '';
wp_enqueue_script( 'syntaxhighlighter-core', $js_url . 'shCore.js', ['jquery'], AP_VERSION );
wp_enqueue_script( 'syntaxhighlighter-autoloader', $js_url . 'shAutoloader.js', [ 'syntaxhighlighter-core' ], AP_VERSION );
wp_enqueue_script( 'syntaxhighlighter', ANSPRESS_URL . 'addons/syntaxhighlighter/script.js', [ 'syntaxhighlighter-core' ], AP_VERSION, true );
// Register theme stylesheets.
wp_enqueue_style( 'syntaxhighlighter-core', $css_url . 'shCore.css', [], AP_VERSION );
wp_enqueue_style( 'syntaxhighlighter-theme-default', $css_url . 'shThemeDefault.css', [ 'syntaxhighlighter-core' ], AP_VERSION );
ob_start();
?>
aplang = aplang||{};
aplang.shLanguage = '';
aplang.shInline = '';
aplang.shTxtPlholder = '';
aplang.shButton = '';
aplang.shTitle = '';
window.apBrushPath = "";
brushes = array(
'php' => 'PHP',
'css' => 'CSS',
'xml' => 'XML/HTML',
'jscript' => 'Javascript',
'sql' => 'SQL',
'bash' => 'Bash/Shell',
'clojure' => 'Clojure',
'cpp' => 'C++/C',
'csharp' => 'C#',
'delphi' => 'Delphi',
'diff' => 'Diff',
'erlang' => 'Erlang',
'fsharp' => 'F#',
'groovy' => 'Groovy',
'java' => 'Java',
'javafx' => 'JavaFX',
'latex' => 'Latex',
'plain' => 'Plain text',
'matlab' => 'Matlabkey',
'objc' => 'Object',
'perl' => 'Perl',
'powershell' => 'PowerShell',
'python' => 'Python',
'r' => 'R',
'ruby' => 'Ruby/Rails',
'scala' => 'Scala',
'vb' => 'VisualBasic',
);
}
/**
* Modify tinyMCE options so that we can add our pre tags along with language code.
*
* Our language code is stored in a custom attribute `aplang`. Also whitelist
* `contenteditable` attribute so that we can prevent editing `pre` tag in editor.
*
* @param array $options TinyMCE options.
* @return array
*
* @since 4.1.8 Fixed: SCRIPT5022: InvalidCharacterError showing in Edge browser.
*/
public function mce_before_init( $options ) {
if ( ! isset( $options['extended_valid_elements'] ) ) {
$options['extended_valid_elements'] = '';
} else {
$options['extended_valid_elements'] .= ',';
}
$options['extended_valid_elements'] = 'pre,code';
return $options;
}
/**
* Add insert code button before editor.
*
* @param string $name Field name.
* @param object $field Field object.
* @return void
* @since 4.1.8
*/
public function editor_buttons( $name, $field ) {
$field->add_html( '' );
}
/**
* Add `apcode` to allowed shortcode.
*
* @param array $allowed Allowed shortcode.
* @return array
* @since 4.1.8
*/
public function allowed_shortcodes( $allowed ) {
$allowed[] = 'apcode';
return $allowed;
}
/**
* Render shortcode `[apcode]`.
*
* @param array $atts Attributes.
* @param string $content Content
* @return string
*/
public function shortcode( $atts, $content = '' ) {
$atts = wp_parse_args( $atts, array(
'language' => 'plain',
'inline' => false,
) );
$tag = $atts['inline'] ? 'code': 'pre';
$content = preg_replace( '//i', "", $content );
$klass = 'class="brush: ' . esc_attr( $atts['language'] ) . '"';
$content = str_replace( [ '