diff options
author | Bernhard Posselt <dev@bernhard-posselt.com> | 2014-11-07 12:32:05 +0100 |
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committer | Bernhard Posselt <dev@bernhard-posselt.com> | 2014-11-07 12:32:05 +0100 |
commit | 7f81afd7efbeb931d16ce1f3a1ed53a54226d553 (patch) | |
tree | 180720cd96aa66ae8964f13734e090d4b82a178e /vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveEmpty.php | |
parent | a6d6288e65aa416aca7535e81d9e8837c2cfb103 (diff) |
move 3rdparty directory to vendor to be more consistent with composer standard and because we also use js/vendor for third party libs
Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveEmpty.php')
-rw-r--r-- | vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveEmpty.php | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveEmpty.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveEmpty.php new file mode 100644 index 000000000..cd885722e --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveEmpty.php @@ -0,0 +1,101 @@ +<?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 |