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Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/Lang.php')
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/Lang.php31
1 files changed, 31 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/Lang.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/Lang.php
new file mode 100644
index 0000000..5b0aff0
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/Lang.php
@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * Post-transform that copies lang's value to xml:lang (and vice-versa)
+ * @note Theoretically speaking, this could be a pre-transform, but putting
+ * post is more efficient.
+ */
+class HTMLPurifier_AttrTransform_Lang extends HTMLPurifier_AttrTransform
+{
+
+ /**
+ * @param array $attr
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return array
+ */
+ public function transform($attr, $config, $context)
+ {
+ $lang = isset($attr['lang']) ? $attr['lang'] : false;
+ $xml_lang = isset($attr['xml:lang']) ? $attr['xml:lang'] : false;
+
+ if ($lang !== false && $xml_lang === false) {
+ $attr['xml:lang'] = $lang;
+ } elseif ($xml_lang !== false) {
+ $attr['lang'] = $xml_lang;
+ }
+ return $attr;
+ }
+}
+
+// vim: et sw=4 sts=4