projects / github / wallabag / wallabag.git / blame
| Commit | Line | Data |
|---|---|---|
| d4949327 NL |
1 | <?php\r |
| 2 | \r | |
| 3 | class HTMLPurifier_Injector_RemoveEmpty extends HTMLPurifier_Injector\r | |
| 4 | {\r | |
| 5 | /**\r | |
| 6 | * @type HTMLPurifier_Context\r | |
| 7 | */\r | |
| 8 | private $context;\r | |
| 9 | \r | |
| 10 | /**\r | |
| 11 | * @type HTMLPurifier_Config\r | |
| 12 | */\r | |
| 13 | private $config;\r | |
| 14 | \r | |
| 15 | /**\r | |
| 16 | * @type HTMLPurifier_AttrValidator\r | |
| 17 | */\r | |
| 18 | private $attrValidator;\r | |
| 19 | \r | |
| 20 | /**\r | |
| 21 | * @type bool\r | |
| 22 | */\r | |
| 23 | private $removeNbsp;\r | |
| 24 | \r | |
| 25 | /**\r | |
| 26 | * @type bool\r | |
| 27 | */\r | |
| 28 | private $removeNbspExceptions;\r | |
| 29 | \r | |
| 30 | /**\r | |
| 31 | * @type array\r | |
| 32 | * TODO: make me configurable\r | |
| 33 | */\r | |
| 34 | private $_exclude = array('colgroup' => 1, 'th' => 1, 'td' => 1, 'iframe' => 1);\r | |
| 35 | \r | |
| 36 | /**\r | |
| 37 | * @param HTMLPurifier_Config $config\r | |
| 38 | * @param HTMLPurifier_Context $context\r | |
| 39 | * @return void\r | |
| 40 | */\r | |
| 41 | public function prepare($config, $context)\r | |
| 42 | {\r | |
| 43 | parent::prepare($config, $context);\r | |
| 44 | $this->config = $config;\r | |
| 45 | $this->context = $context;\r | |
| 46 | $this->removeNbsp = $config->get('AutoFormat.RemoveEmpty.RemoveNbsp');\r | |
| 47 | $this->removeNbspExceptions = $config->get('AutoFormat.RemoveEmpty.RemoveNbsp.Exceptions');\r | |
| 48 | $this->attrValidator = new HTMLPurifier_AttrValidator();\r | |
| 49 | }\r | |
| 50 | \r | |
| 51 | /**\r | |
| 52 | * @param HTMLPurifier_Token $token\r | |
| 53 | */\r | |
| 54 | public function handleElement(&$token)\r | |
| 55 | {\r | |
| 56 | if (!$token instanceof HTMLPurifier_Token_Start) {\r | |
| 57 | return;\r | |
| 58 | }\r | |
| 59 | $next = false;\r | |
| 60 | $deleted = 1; // the current tag\r | |
| 61 | for ($i = count($this->inputZipper->back) - 1; $i >= 0; $i--, $deleted++) {\r | |
| 62 | $next = $this->inputZipper->back[$i];\r | |
| 63 | if ($next instanceof HTMLPurifier_Token_Text) {\r | |
| 64 | if ($next->is_whitespace) {\r | |
| 65 | continue;\r | |
| 66 | }\r | |
| 67 | if ($this->removeNbsp && !isset($this->removeNbspExceptions[$token->name])) {\r | |
| 68 | $plain = str_replace("\xC2\xA0", "", $next->data);\r | |
| 69 | $isWsOrNbsp = $plain === '' || ctype_space($plain);\r | |
| 70 | if ($isWsOrNbsp) {\r | |
| 71 | continue;\r | |
| 72 | }\r | |
| 73 | }\r | |
| 74 | }\r | |
| 75 | break;\r | |
| 76 | }\r | |
| 77 | if (!$next || ($next instanceof HTMLPurifier_Token_End && $next->name == $token->name)) {\r | |
| 78 | if (isset($this->_exclude[$token->name])) {\r | |
| 79 | return;\r | |
| 80 | }\r | |
| 81 | $this->attrValidator->validateToken($token, $this->config, $this->context);\r | |
| 82 | $token->armor['ValidateAttributes'] = true;\r | |
| 83 | if (isset($token->attr['id']) || isset($token->attr['name'])) {\r | |
| 84 | return;\r | |
| 85 | }\r | |
| 86 | $token = $deleted + 1;\r | |
| 87 | for ($b = 0, $c = count($this->inputZipper->front); $b < $c; $b++) {\r | |
| 88 | $prev = $this->inputZipper->front[$b];\r | |
| 89 | if ($prev instanceof HTMLPurifier_Token_Text && $prev->is_whitespace) {\r | |
| 90 | continue;\r | |
| 91 | }\r | |
| 92 | break;\r | |
| 93 | }\r | |
| 94 | // This is safe because we removed the token that triggered this.\r | |
| 95 | $this->rewindOffset($b+$deleted);\r | |
| 96 | return;\r | |
| 97 | }\r | |
| 98 | }\r | |
| 99 | }\r | |
| 100 | \r | |
| 101 | // vim: et sw=4 sts=4\r |