Admin Control Panel v2.0

✎ Editing: RemoveEmpty.php ← Back

<?php

class HTMLPurifier_Injector_RemoveEmpty extends HTMLPurifier_Injector

{

/**

* @type HTMLPurifier_Context

private $context;

/**

* @type HTMLPurifier_Config

private $config;

/**

* @type HTMLPurifier_AttrValidator

private $attrValidator;

/**

* @type bool

private $removeNbsp;

/**

* @type bool

private $removeNbspExceptions;

/**

* @type array

* TODO: make me configurable

private $_exclude = array('colgroup' => 1, 'th' => 1, 'td' => 1, 'iframe' => 1);

/**

* @param HTMLPurifier_Config $config

* @param HTMLPurifier_Context $context

* @return void

public function prepare($config, $context)

{

parent::prepare($config, $context);

$this->config = $config;

$this->context = $context;

$this->removeNbsp = $config->get('AutoFormat.RemoveEmpty.RemoveNbsp');

$this->removeNbspExceptions = $config->get('AutoFormat.RemoveEmpty.RemoveNbsp.Exceptions');

$this->attrValidator = new HTMLPurifier_AttrValidator();

}

/**

* @param HTMLPurifier_Token $token

public function handleElement(&$token)

{

if (!$token instanceof HTMLPurifier_Token_Start) {

return;

}

$next = false;

$deleted = 1; // the current tag

for ($i = count($this->inputZipper->back) - 1; $i >= 0; $i--, $deleted++) {

$next = $this->inputZipper->back[$i];

if ($next instanceof HTMLPurifier_Token_Text) {

if ($next->is_whitespace) {

continue;

}

if ($this->removeNbsp && !isset($this->removeNbspExceptions[$token->name])) {

$plain = str_replace("\xC2\xA0", "", $next->data);

$isWsOrNbsp = $plain === '' || ctype_space($plain);

if ($isWsOrNbsp) {

continue;

}

break;

}

if (!$next || ($next instanceof HTMLPurifier_Token_End && $next->name == $token->name)) {

if (isset($this->_exclude[$token->name])) {

return;

}

$this->attrValidator->validateToken($token, $this->config, $this->context);

$token->armor['ValidateAttributes'] = true;

if (isset($token->attr['id']) || isset($token->attr['name'])) {

return;

}

$token = $deleted + 1;

for ($b = 0, $c = count($this->inputZipper->front); $b < $c; $b++) {

$prev = $this->inputZipper->front[$b];

if ($prev instanceof HTMLPurifier_Token_Text && $prev->is_whitespace) {

continue;

}

break;

}

// This is safe because we removed the token that triggered this.

$this->rewindOffset($b+$deleted);

return;

}

// vim: et sw=4 sts=4

Cancel