1 files changed, 70 insertions, 0 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/HTML/Nmtokens.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/HTML/Nmtokens.php
new file mode 100644
index 00000000..ecb070c3
--- /dev/null
+++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/HTML/Nmtokens.php
@@ -0,0 +1,70 @@
+<?php
+/**
+ * Validates contents based on NMTOKENS attribute type.
+ */
+class HTMLPurifier_AttrDef_HTML_Nmtokens extends HTMLPurifier_AttrDef
+{
+    /**
+     * @param string $string
+     * @param HTMLPurifier_Config $config
+     * @param HTMLPurifier_Context $context
+     * @return bool|string
+     */
+    public function validate($string, $config, $context)
+    {
+        $string = trim($string);
+        // early abort: '' and '0' (strings that convert to false) are invalid
+        if (!$string) {
+            return false;
+        }
+        $tokens = $this->split($string, $config, $context);
+        $tokens = $this->filter($tokens, $config, $context);
+        if (empty($tokens)) {
+            return false;
+        }
+        return implode(' ', $tokens);
+    }
+    /**
+     * Splits a space separated list of tokens into its constituent parts.
+     * @param string $string
+     * @param HTMLPurifier_Config $config
+     * @param HTMLPurifier_Context $context
+     * @return array
+     */
+    protected function split($string, $config, $context)
+    {
+        // OPTIMIZABLE!
+        // do the preg_match, capture all subpatterns for reformulation
+        // we don't support U+00A1 and up codepoints or
+        // escaping because I don't know how to do that with regexps
+        // and plus it would complicate optimization efforts (you never
+        // see that anyway).
+        $pattern = '/(?:(?<=\s)|\A)' . // look behind for space or string start
+            '((?:--|-?[A-Za-z_])[A-Za-z_\-0-9]*)' .
+            '(?:(?=\s)|\z)/'; // look ahead for space or string end
+        preg_match_all($pattern, $string, $matches);
+        return $matches[1];
+    }
+    /**
+     * Template method for removing certain tokens based on arbitrary criteria.
+     * @note If we wanted to be really functional, we'd do an array_filter
+     *       with a callback. But... we're not.
+     * @param array $tokens
+     * @param HTMLPurifier_Config $config
+     * @param HTMLPurifier_Context $context
+     * @return array
+     */
+    protected function filter($tokens, $config, $context)
+    {
+        return $tokens;
+    }
+}
+// vim: et sw=4 sts=4

diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/HTML/Nmtokens.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/HTML/Nmtokens.php new file mode 100644 index 00000000..ecb070c3 --- /dev/null +++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/HTML/Nmtokens.php
@@ -0,0 +1,70 @@
	1	<?php
	2
	3	/**
	4	* Validates contents based on NMTOKENS attribute type.
	5	*/
	6	class HTMLPurifier_AttrDef_HTML_Nmtokens extends HTMLPurifier_AttrDef
	7	{
	8
	9	/**
	10	* @param string $string
	11	* @param HTMLPurifier_Config $config
	12	* @param HTMLPurifier_Context $context
	13	* @return bool\|string
	14	*/
	15	public function validate($string, $config, $context)
	16	{
	17	$string = trim($string);
	18
	19	// early abort: '' and '0' (strings that convert to false) are invalid
	20	if (!$string) {
	21	return false;
	22	}
	23
	24	$tokens = $this->split($string, $config, $context);
	25	$tokens = $this->filter($tokens, $config, $context);
	26	if (empty($tokens)) {
	27	return false;
	28	}
	29	return implode(' ', $tokens);
	30	}
	31
	32	/**
	33	* Splits a space separated list of tokens into its constituent parts.
	34	* @param string $string
	35	* @param HTMLPurifier_Config $config
	36	* @param HTMLPurifier_Context $context
	37	* @return array
	38	*/
	39	protected function split($string, $config, $context)
	40	{
	41	// OPTIMIZABLE!
	42	// do the preg_match, capture all subpatterns for reformulation
	43
	44	// we don't support U+00A1 and up codepoints or
	45	// escaping because I don't know how to do that with regexps
	46	// and plus it would complicate optimization efforts (you never
	47	// see that anyway).
	48	$pattern = '/(?:(?<=\s)\|\A)' . // look behind for space or string start
	49	'((?:--\|-?[A-Za-z_])[A-Za-z_\-0-9]*)' .
	50	'(?:(?=\s)\|\z)/'; // look ahead for space or string end
	51	preg_match_all($pattern, $string, $matches);
	52	return $matches[1];
	53	}
	54
	55	/**
	56	* Template method for removing certain tokens based on arbitrary criteria.
	57	* @note If we wanted to be really functional, we'd do an array_filter
	58	* with a callback. But... we're not.
	59	* @param array $tokens
	60	* @param HTMLPurifier_Config $config
	61	* @param HTMLPurifier_Context $context
	62	* @return array
	63	*/
	64	protected function filter($tokens, $config, $context)
	65	{
	66	return $tokens;
	67	}
	68	}
	69
	70	// vim: et sw=4 sts=4