From 8df3db566a3a937b45ebf11adb90d265e6f5e2d4 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Sun, 17 Nov 2019 20:45:02 +0100
Subject: initial checking of customized version 1.0rc9

---
 .../HTMLPurifier/AttrDef/CSS/AlphaValue.php        | 34 ++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/AlphaValue.php

(limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/AlphaValue.php')

diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/AlphaValue.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/AlphaValue.php
new file mode 100644
index 0000000..af2b83d
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/AlphaValue.php
@@ -0,0 +1,34 @@
+<?php
+
+class HTMLPurifier_AttrDef_CSS_AlphaValue extends HTMLPurifier_AttrDef_CSS_Number
+{
+
+    public function __construct()
+    {
+        parent::__construct(false); // opacity is non-negative, but we will clamp it
+    }
+
+    /**
+     * @param string $number
+     * @param HTMLPurifier_Config $config
+     * @param HTMLPurifier_Context $context
+     * @return string
+     */
+    public function validate($number, $config, $context)
+    {
+        $result = parent::validate($number, $config, $context);
+        if ($result === false) {
+            return $result;
+        }
+        $float = (float)$result;
+        if ($float < 0.0) {
+            $result = '0';
+        }
+        if ($float > 1.0) {
+            $result = '1';
+        }
+        return $result;
+    }
+}
+
+// vim: et sw=4 sts=4
-- 
cgit v1.2.3-54-g00ecf