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Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/Background.php')
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/Background.php28
1 files changed, 28 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/Background.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/Background.php
new file mode 100644
index 0000000..2f72869
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTransform/Background.php
@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * Pre-transform that changes proprietary background attribute to CSS.
+ */
+class HTMLPurifier_AttrTransform_Background extends HTMLPurifier_AttrTransform
+{
+ /**
+ * @param array $attr
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return array
+ */
+ public function transform($attr, $config, $context)
+ {
+ if (!isset($attr['background'])) {
+ return $attr;
+ }
+
+ $background = $this->confiscateAttr($attr, 'background');
+ // some validation should happen here
+
+ $this->prependCSS($attr, "background-image:url($background);");
+ return $attr;
+ }
+}
+
+// vim: et sw=4 sts=4