Merge pull request #481 from wallabag/dev1.5.2

1.5.2

1 files changed, 73 insertions, 0 deletions

diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/Enum.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/Enum.php
new file mode 100644
index 00000000..b40122b6
--- /dev/null
+++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/Enum.php
@@ -0,0 +1,73 @@
+<?php

+

+// Enum = Enumerated

+/**

+ * Validates a keyword against a list of valid values.

+ * @warning The case-insensitive compare of this function uses PHP's

+ *          built-in strtolower and ctype_lower functions, which may

+ *          cause problems with international comparisons

+ */

+class HTMLPurifier_AttrDef_Enum extends HTMLPurifier_AttrDef

+{

+

+    /**

+     * Lookup table of valid values.

+     * @type array

+     * @todo Make protected

+     */

+    public $valid_values = array();

+

+    /**

+     * Bool indicating whether or not enumeration is case sensitive.

+     * @note In general this is always case insensitive.

+     */

+    protected $case_sensitive = false; // values according to W3C spec

+

+    /**

+     * @param array $valid_values List of valid values

+     * @param bool $case_sensitive Whether or not case sensitive

+     */

+    public function __construct($valid_values = array(), $case_sensitive = false)

+    {

+        $this->valid_values = array_flip($valid_values);

+        $this->case_sensitive = $case_sensitive;

+    }

+

+    /**

+     * @param string $string

+     * @param HTMLPurifier_Config $config

+     * @param HTMLPurifier_Context $context

+     * @return bool|string

+     */

+    public function validate($string, $config, $context)

+    {

+        $string = trim($string);

+        if (!$this->case_sensitive) {

+            // we may want to do full case-insensitive libraries

+            $string = ctype_lower($string) ? $string : strtolower($string);

+        }

+        $result = isset($this->valid_values[$string]);

+

+        return $result ? $string : false;

+    }

+

+    /**

+     * @param string $string In form of comma-delimited list of case-insensitive

+     *      valid values. Example: "foo,bar,baz". Prepend "s:" to make

+     *      case sensitive

+     * @return HTMLPurifier_AttrDef_Enum

+     */

+    public function make($string)

+    {

+        if (strlen($string) > 2 && $string[0] == 's' && $string[1] == ':') {

+            $string = substr($string, 2);

+            $sensitive = true;

+        } else {

+            $sensitive = false;

+        }

+        $values = explode(',', $string);

+        return new HTMLPurifier_AttrDef_Enum($values, $sensitive);

+    }

+}

+

+// vim: et sw=4 sts=4