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Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/NameSync.php')
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/NameSync.php41
1 files changed, 41 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/NameSync.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/NameSync.php
new file mode 100644
index 0000000..36079b7
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/NameSync.php
@@ -0,0 +1,41 @@
+<?php
+
+/**
+ * Post-transform that performs validation to the name attribute; if
+ * it is present with an equivalent id attribute, it is passed through;
+ * otherwise validation is performed.
+ */
+class HTMLPurifier_AttrTransform_NameSync extends HTMLPurifier_AttrTransform
+{
+
+ public function __construct()
+ {
+ $this->idDef = new HTMLPurifier_AttrDef_HTML_ID();
+ }
+
+ /**
+ * @param array $attr
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return array
+ */
+ public function transform($attr, $config, $context)
+ {
+ if (!isset($attr['name'])) {
+ return $attr;
+ }
+ $name = $attr['name'];
+ if (isset($attr['id']) && $attr['id'] === $name) {
+ return $attr;
+ }
+ $result = $this->idDef->validate($name, $config, $context);
+ if ($result === false) {
+ unset($attr['name']);
+ } else {
+ $attr['name'] = $result;
+ }
+ return $attr;
+ }
+}
+
+// vim: et sw=4 sts=4