3 class HTMLPurifier_Injector_RemoveEmpty
extends HTMLPurifier_Injector
6 * @type HTMLPurifier_Context
11 * @type HTMLPurifier_Config
16 * @type HTMLPurifier_AttrValidator
18 private $attrValidator;
28 private $removeNbspExceptions;
32 * TODO: make me configurable
34 private $_exclude = array('colgroup' => 1, 'th' => 1, 'td' => 1, 'iframe' => 1);
37 * @param HTMLPurifier_Config $config
38 * @param HTMLPurifier_Context $context
41 public function prepare($config, $context)
43 parent
::prepare($config, $context);
44 $this->config
= $config;
45 $this->context
= $context;
46 $this->removeNbsp
= $config->get('AutoFormat.RemoveEmpty.RemoveNbsp');
47 $this->removeNbspExceptions
= $config->get('AutoFormat.RemoveEmpty.RemoveNbsp.Exceptions');
48 $this->attrValidator
= new HTMLPurifier_AttrValidator();
52 * @param HTMLPurifier_Token $token
54 public function handleElement(&$token)
56 if (!$token instanceof HTMLPurifier_Token_Start
) {
60 $deleted = 1; // the current tag
61 for ($i = count($this->inputZipper
->back
) - 1; $i >= 0; $i--, $deleted++
) {
62 $next = $this->inputZipper
->back
[$i];
63 if ($next instanceof HTMLPurifier_Token_Text
) {
64 if ($next->is_whitespace
) {
67 if ($this->removeNbsp
&& !isset($this->removeNbspExceptions
[$token->name
])) {
68 $plain = str_replace("\xC2\xA0", "", $next->data
);
69 $isWsOrNbsp = $plain === '' || ctype_space($plain);
77 if (!$next || ($next instanceof HTMLPurifier_Token_End
&& $next->name
== $token->name
)) {
78 if (isset($this->_exclude
[$token->name
])) {
81 $this->attrValidator
->validateToken($token, $this->config
, $this->context
);
82 $token->armor
['ValidateAttributes'] = true;
83 if (isset($token->attr
['id']) || isset($token->attr
['name'])) {
86 $token = $deleted +
1;
87 for ($b = 0, $c = count($this->inputZipper
->front
); $b < $c; $b++
) {
88 $prev = $this->inputZipper
->front
[$b];
89 if ($prev instanceof HTMLPurifier_Token_Text
&& $prev->is_whitespace
) {
94 // This is safe because we removed the token that triggered this.
95 $this->rewindOffset($b+
$deleted);
101 // vim: et sw=4 sts=4