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Implement %AutoFormat.RemoveEmpty.RemoveNbsp, by popular demand.

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Signed-off-by: Edward Z. Yang <edwardzyang@thewritingpot.com>
This commit is contained in:
Edward Z. Yang
2009-04-09 00:53:19 -04:00
parent 398a02039e
commit e3c2063f69
8 changed files with 67 additions and 4 deletions
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13
library/HTMLPurifier/Injector/RemoveEmpty.php
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@@ -3,12 +3,14 @@
class HTMLPurifier_Injector_RemoveEmpty extends HTMLPurifier_Injector
{
private $context, $config;
private $context, $config, $attrValidator, $removeNbsp, $removeNbspExceptions;
public function prepare($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();
}
@@ -17,7 +19,14 @@ class HTMLPurifier_Injector_RemoveEmpty extends HTMLPurifier_Injector
$next = false;
for ($i = $this->inputIndex + 1, $c = count($this->inputTokens); $i < $c; $i++) {
$next = $this->inputTokens[$i];
if ($next instanceof HTMLPurifier_Token_Text && $next->is_whitespace) continue;
if ($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)) {