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authorBernhard Posselt <dev@bernhard-posselt.com>2014-11-07 12:32:05 +0100
committerBernhard Posselt <dev@bernhard-posselt.com>2014-11-07 12:32:05 +0100
commit7f81afd7efbeb931d16ce1f3a1ed53a54226d553 (patch)
tree180720cd96aa66ae8964f13734e090d4b82a178e /vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/RemoveEmpty.php
parenta6d6288e65aa416aca7535e81d9e8837c2cfb103 (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.php101
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