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-rw-r--r--lib/htmlpurifier/library/HTMLPurifier/ChildDef/Custom.php90
1 files changed, 0 insertions, 90 deletions
diff --git a/lib/htmlpurifier/library/HTMLPurifier/ChildDef/Custom.php b/lib/htmlpurifier/library/HTMLPurifier/ChildDef/Custom.php
deleted file mode 100644
index b68047b4b..000000000
--- a/lib/htmlpurifier/library/HTMLPurifier/ChildDef/Custom.php
+++ /dev/null
@@ -1,90 +0,0 @@
-<?php
-
-/**
- * Custom validation class, accepts DTD child definitions
- *
- * @warning Currently this class is an all or nothing proposition, that is,
- * it will only give a bool return value.
- */
-class HTMLPurifier_ChildDef_Custom extends HTMLPurifier_ChildDef
-{
- public $type = 'custom';
- public $allow_empty = false;
- /**
- * Allowed child pattern as defined by the DTD
- */
- public $dtd_regex;
- /**
- * PCRE regex derived from $dtd_regex
- * @private
- */
- private $_pcre_regex;
- /**
- * @param $dtd_regex Allowed child pattern from the DTD
- */
- public function __construct($dtd_regex) {
- $this->dtd_regex = $dtd_regex;
- $this->_compileRegex();
- }
- /**
- * Compiles the PCRE regex from a DTD regex ($dtd_regex to $_pcre_regex)
- */
- protected function _compileRegex() {
- $raw = str_replace(' ', '', $this->dtd_regex);
- if ($raw{0} != '(') {
- $raw = "($raw)";
- }
- $el = '[#a-zA-Z0-9_.-]+';
- $reg = $raw;
-
- // COMPLICATED! AND MIGHT BE BUGGY! I HAVE NO CLUE WHAT I'M
- // DOING! Seriously: if there's problems, please report them.
-
- // collect all elements into the $elements array
- preg_match_all("/$el/", $reg, $matches);
- foreach ($matches[0] as $match) {
- $this->elements[$match] = true;
- }
-
- // setup all elements as parentheticals with leading commas
- $reg = preg_replace("/$el/", '(,\\0)', $reg);
-
- // remove commas when they were not solicited
- $reg = preg_replace("/([^,(|]\(+),/", '\\1', $reg);
-
- // remove all non-paranthetical commas: they are handled by first regex
- $reg = preg_replace("/,\(/", '(', $reg);
-
- $this->_pcre_regex = $reg;
- }
- public function validateChildren($tokens_of_children, $config, $context) {
- $list_of_children = '';
- $nesting = 0; // depth into the nest
- foreach ($tokens_of_children as $token) {
- if (!empty($token->is_whitespace)) continue;
-
- $is_child = ($nesting == 0); // direct
-
- if ($token instanceof HTMLPurifier_Token_Start) {
- $nesting++;
- } elseif ($token instanceof HTMLPurifier_Token_End) {
- $nesting--;
- }
-
- if ($is_child) {
- $list_of_children .= $token->name . ',';
- }
- }
- // add leading comma to deal with stray comma declarations
- $list_of_children = ',' . rtrim($list_of_children, ',');
- $okay =
- preg_match(
- '/^,?'.$this->_pcre_regex.'$/',
- $list_of_children
- );
-
- return (bool) $okay;
- }
-}
-
-// vim: et sw=4 sts=4