96 lines
2.2 KiB
PHP
96 lines
2.2 KiB
PHP
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<?php
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/**
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* Injector that removes spans with no attributes
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*/
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class HTMLPurifier_Injector_RemoveSpansWithoutAttributes extends HTMLPurifier_Injector
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{
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/**
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* @type string
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*/
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public $name = 'RemoveSpansWithoutAttributes';
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/**
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* @type array
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*/
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public $needed = array('span');
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/**
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* @type HTMLPurifier_AttrValidator
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*/
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private $attrValidator;
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/**
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* Used by AttrValidator.
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* @type HTMLPurifier_Config
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*/
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private $config;
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/**
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* @type HTMLPurifier_Context
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*/
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private $context;
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/**
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* @type SplObjectStorage
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*/
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private $markForDeletion;
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public function __construct()
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{
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$this->markForDeletion = new SplObjectStorage();
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}
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public function prepare($config, $context)
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{
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$this->attrValidator = new HTMLPurifier_AttrValidator();
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$this->config = $config;
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$this->context = $context;
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return parent::prepare($config, $context);
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}
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/**
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* @param HTMLPurifier_Token $token
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*/
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public function handleElement(&$token)
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{
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if ($token->name !== 'span' || !$token instanceof HTMLPurifier_Token_Start) {
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return;
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}
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// We need to validate the attributes now since this doesn't normally
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// happen until after MakeWellFormed. If all the attributes are removed
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// the span needs to be removed too.
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$this->attrValidator->validateToken($token, $this->config, $this->context);
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$token->armor['ValidateAttributes'] = true;
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if (!empty($token->attr)) {
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return;
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}
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$nesting = 0;
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while ($this->forwardUntilEndToken($i, $current, $nesting)) {
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}
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if ($current instanceof HTMLPurifier_Token_End && $current->name === 'span') {
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// Mark closing span tag for deletion
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$this->markForDeletion->attach($current);
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// Delete open span tag
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$token = false;
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}
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}
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/**
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* @param HTMLPurifier_Token $token
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*/
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public function handleEnd(&$token)
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{
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if ($this->markForDeletion->contains($token)) {
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$this->markForDeletion->detach($token);
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$token = false;
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}
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}
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}
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// vim: et sw=4 sts=4
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