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Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Length.php')
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Length.php56
1 files changed, 56 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Length.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Length.php
new file mode 100644
index 0000000..1c4006f
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Length.php
@@ -0,0 +1,56 @@
+<?php
+
+/**
+ * Validates the HTML type length (not to be confused with CSS's length).
+ *
+ * This accepts integer pixels or percentages as lengths for certain
+ * HTML attributes.
+ */
+
+class HTMLPurifier_AttrDef_HTML_Length extends HTMLPurifier_AttrDef_HTML_Pixels
+{
+
+ /**
+ * @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;
+ }
+
+ $points = substr($string, 0, $length - 1);
+
+ if (!is_numeric($points)) {
+ return false;
+ }
+
+ $points = (int)$points;
+
+ if ($points < 0) {
+ return '0%';
+ }
+ if ($points > 100) {
+ return '100%';
+ }
+ return ((string)$points) . '%';
+ }
+}
+
+// vim: et sw=4 sts=4