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-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/MultiLength.php60
1 files changed, 60 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/MultiLength.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/MultiLength.php
new file mode 100644
index 000000000..bbb20f2f8
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/MultiLength.php
@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * Validates a MultiLength as defined by the HTML spec.
+ *
+ * A multilength is either a integer (pixel count), a percentage, or
+ * a relative number.
+ */
+class HTMLPurifier_AttrDef_HTML_MultiLength extends HTMLPurifier_AttrDef_HTML_Length
+{
+
+ /**
+ * @param string $string
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return bool|string
+ */
+ public function validate($string, $config, $context)
+ {
+ $string = trim($string);
+ if ($string === '') {
+ return false;
+ }
+
+ $parent_result = parent::validate($string, $config, $context);
+ if ($parent_result !== false) {
+ return $parent_result;
+ }
+
+ $length = strlen($string);
+ $last_char = $string[$length - 1];
+
+ if ($last_char !== '*') {
+ return false;
+ }
+
+ $int = substr($string, 0, $length - 1);
+
+ if ($int == '') {
+ return '*';
+ }
+ if (!is_numeric($int)) {
+ return false;
+ }
+
+ $int = (int)$int;
+ if ($int < 0) {
+ return false;
+ }
+ if ($int == 0) {
+ return '0';
+ }
+ if ($int == 1) {
+ return '*';
+ }
+ return ((string)$int) . '*';
+ }
+}
+
+// vim: et sw=4 sts=4