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authorzotlabs <mike@macgirvin.com>2017-03-27 14:11:25 -0700
committerzotlabs <mike@macgirvin.com>2017-03-27 14:11:25 -0700
commit8292553a2087a412e0b10f5593d461d371169adb (patch)
tree2648714d80a19154ec19defa92aaa3229cae23c6 /vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Optional.php
parent5cbf60320355845e2abdec0422055d3fe321e84e (diff)
parent6375401e0af6c52d151dd2b944aa6a054b8ddc05 (diff)
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Merge branch 'dev' of https://github.com/redmatrix/hubzilla into xdev_merge
Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Optional.php')
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Optional.php45
1 files changed, 45 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Optional.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Optional.php
new file mode 100644
index 000000000..b9468063b
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Optional.php
@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * Definition that allows a set of elements, and allows no children.
+ * @note This is a hack to reuse code from HTMLPurifier_ChildDef_Required,
+ * really, one shouldn't inherit from the other. Only altered behavior
+ * is to overload a returned false with an array. Thus, it will never
+ * return false.
+ */
+class HTMLPurifier_ChildDef_Optional extends HTMLPurifier_ChildDef_Required
+{
+ /**
+ * @type bool
+ */
+ public $allow_empty = true;
+
+ /**
+ * @type string
+ */
+ public $type = 'optional';
+
+ /**
+ * @param array $children
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return array
+ */
+ public function validateChildren($children, $config, $context)
+ {
+ $result = parent::validateChildren($children, $config, $context);
+ // we assume that $children is not modified
+ if ($result === false) {
+ if (empty($children)) {
+ return true;
+ } elseif ($this->whitespace) {
+ return $children;
+ } else {
+ return array();
+ }
+ }
+ return $result;
+ }
+}
+
+// vim: et sw=4 sts=4