remove htmlpurifier

lib/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Nmtokens.php

@@ -1,52 +0,0 @@
-<?php
-
-/**
- * Validates contents based on NMTOKENS attribute type.
- */
-class HTMLPurifier_AttrDef_HTML_Nmtokens extends HTMLPurifier_AttrDef
-{
-
-    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(' ', $tokens);
-
-    }
-
-    /**
-     * Splits a space separated list of tokens into its constituent parts.
-     */
-    protected function split($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 $matches[1];
-    }
-
-    /**
-     * Template method for removing certain tokens based on arbitrary criteria.
-     * @note If we wanted to be really functional, we'd do an array_filter
-     *       with a callback. But... we're not.
-     */
-    protected function filter($tokens, $config, $context) {
-        return $tokens;
-    }
-
-}
-
-// vim: et sw=4 sts=4