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✎ Editing: RemoveSpansWithoutAttributes.php ← Back

<?php

/**

* Injector that removes spans with no attributes

class HTMLPurifier_Injector_RemoveSpansWithoutAttributes extends HTMLPurifier_Injector

{

/**

* @type string

public $name = 'RemoveSpansWithoutAttributes';

/**

* @type array

public $needed = array('span');

/**

* @type HTMLPurifier_AttrValidator

private $attrValidator;

/**

* Used by AttrValidator.

* @type HTMLPurifier_Config

private $config;

/**

* @type HTMLPurifier_Context

private $context;

public function prepare($config, $context)

{

$this->attrValidator = new HTMLPurifier_AttrValidator();

$this->config = $config;

$this->context = $context;

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

}

/**

* @param HTMLPurifier_Token $token

public function handleElement(&$token)

{

if ($token->name !== 'span' || !$token instanceof HTMLPurifier_Token_Start) {

return;

}

// We need to validate the attributes now since this doesn't normally

// happen until after MakeWellFormed. If all the attributes are removed

// the span needs to be removed too.

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

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

if (!empty($token->attr)) {

return;

}

$nesting = 0;

while ($this->forwardUntilEndToken($i, $current, $nesting)) {

}

if ($current instanceof HTMLPurifier_Token_End && $current->name === 'span') {

// Mark closing span tag for deletion

$current->markForDeletion = true;

// Delete open span tag

$token = false;

}

/**

* @param HTMLPurifier_Token $token

public function handleEnd(&$token)

{

if ($token->markForDeletion) {

$token = false;

}

// vim: et sw=4 sts=4

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