:arrow_up: Update HTML Purifier library.

Updated HTML Purifier from 4.6.0 to 4.9.2 with better PHP7 compatibility.
Used composer to manage this library.

7 files changed, 0 insertions, 832 deletions

diff --git a/library/HTMLPurifier/Injector/AutoParagraph.php b/library/HTMLPurifier/Injector/AutoParagraph.php
deleted file mode 100644
index 4afdd128d..000000000
--- a/library/HTMLPurifier/Injector/AutoParagraph.php
+++ /dev/null
@@ -1,356 +0,0 @@
-<?php
-
-/**
- * Injector that auto paragraphs text in the root node based on
- * double-spacing.
- * @todo Ensure all states are unit tested, including variations as well.
- * @todo Make a graph of the flow control for this Injector.
- */
-class HTMLPurifier_Injector_AutoParagraph extends HTMLPurifier_Injector
-{
-    /**
-     * @type string
-     */
-    public $name = 'AutoParagraph';
-
-    /**
-     * @type array
-     */
-    public $needed = array('p');
-
-    /**
-     * @return HTMLPurifier_Token_Start
-     */
-    private function _pStart()
-    {
-        $par = new HTMLPurifier_Token_Start('p');
-        $par->armor['MakeWellFormed_TagClosedError'] = true;
-        return $par;
-    }
-
-    /**
-     * @param HTMLPurifier_Token_Text $token
-     */
-    public function handleText(&$token)
-    {
-        $text = $token->data;
-        // Does the current parent allow <p> tags?
-        if ($this->allowsElement('p')) {
-            if (empty($this->currentNesting) || strpos($text, "\n\n") !== false) {
-                // Note that we have differing behavior when dealing with text
-                // in the anonymous root node, or a node inside the document.
-                // If the text as a double-newline, the treatment is the same;
-                // if it doesn't, see the next if-block if you're in the document.
-
-                $i = $nesting = null;
-                if (!$this->forwardUntilEndToken($i, $current, $nesting) && $token->is_whitespace) {
-                    // State 1.1: ...    ^ (whitespace, then document end)
-                    //               ----
-                    // This is a degenerate case
-                } else {
-                    if (!$token->is_whitespace || $this->_isInline($current)) {
-                        // State 1.2: PAR1
-                        //            ----
-
-                        // State 1.3: PAR1\n\nPAR2
-                        //            ------------
-
-                        // State 1.4: <div>PAR1\n\nPAR2 (see State 2)
-                        //                 ------------
-                        $token = array($this->_pStart());
-                        $this->_splitText($text, $token);
-                    } else {
-                        // State 1.5: \n<hr />
-                        //            --
-                    }
-                }
-            } else {
-                // State 2:   <div>PAR1... (similar to 1.4)
-                //                 ----
-
-                // We're in an element that allows paragraph tags, but we're not
-                // sure if we're going to need them.
-                if ($this->_pLookAhead()) {
-                    // State 2.1: <div>PAR1<b>PAR1\n\nPAR2
-                    //                 ----
-                    // Note: This will always be the first child, since any
-                    // previous inline element would have triggered this very
-                    // same routine, and found the double newline. One possible
-                    // exception would be a comment.
-                    $token = array($this->_pStart(), $token);
-                } else {
-                    // State 2.2.1: <div>PAR1<div>
-                    //                   ----
-
-                    // State 2.2.2: <div>PAR1<b>PAR1</b></div>
-                    //                   ----
-                }
-            }
-            // Is the current parent a <p> tag?
-        } elseif (!empty($this->currentNesting) &&
-            $this->currentNesting[count($this->currentNesting) - 1]->name == 'p') {
-            // State 3.1: ...<p>PAR1
-            //                  ----
-
-            // State 3.2: ...<p>PAR1\n\nPAR2
-            //                  ------------
-            $token = array();
-            $this->_splitText($text, $token);
-            // Abort!
-        } else {
-            // State 4.1: ...<b>PAR1
-            //                  ----
-
-            // State 4.2: ...<b>PAR1\n\nPAR2
-            //                  ------------
-        }
-    }
-
-    /**
-     * @param HTMLPurifier_Token $token
-     */
-    public function handleElement(&$token)
-    {
-        // We don't have to check if we're already in a <p> tag for block
-        // tokens, because the tag would have been autoclosed by MakeWellFormed.
-        if ($this->allowsElement('p')) {
-            if (!empty($this->currentNesting)) {
-                if ($this->_isInline($token)) {
-                    // State 1: <div>...<b>
-                    //                  ---
-                    // Check if this token is adjacent to the parent token
-                    // (seek backwards until token isn't whitespace)
-                    $i = null;
-                    $this->backward($i, $prev);
-
-                    if (!$prev instanceof HTMLPurifier_Token_Start) {
-                        // Token wasn't adjacent
-                        if ($prev instanceof HTMLPurifier_Token_Text &&
-                            substr($prev->data, -2) === "\n\n"
-                        ) {
-                            // State 1.1.4: <div><p>PAR1</p>\n\n<b>
-                            //                                  ---
-                            // Quite frankly, this should be handled by splitText
-                            $token = array($this->_pStart(), $token);
-                        } else {
-                            // State 1.1.1: <div><p>PAR1</p><b>
-                            //                              ---
-                            // State 1.1.2: <div><br /><b>
-                            //                         ---
-                            // State 1.1.3: <div>PAR<b>
-                            //                      ---
-                        }
-                    } else {
-                        // State 1.2.1: <div><b>
-                        //                   ---
-                        // Lookahead to see if <p> is needed.
-                        if ($this->_pLookAhead()) {
-                            // State 1.3.1: <div><b>PAR1\n\nPAR2
-                            //                   ---
-                            $token = array($this->_pStart(), $token);
-                        } else {
-                            // State 1.3.2: <div><b>PAR1</b></div>
-                            //                   ---
-
-                            // State 1.3.3: <div><b>PAR1</b><div></div>\n\n</div>
-                            //                   ---
-                        }
-                    }
-                } else {
-                    // State 2.3: ...<div>
-                    //               -----
-                }
-            } else {
-                if ($this->_isInline($token)) {
-                    // State 3.1: <b>
-                    //            ---
-                    // This is where the {p} tag is inserted, not reflected in
-                    // inputTokens yet, however.
-                    $token = array($this->_pStart(), $token);
-                } else {
-                    // State 3.2: <div>
-                    //            -----
-                }
-
-                $i = null;
-                if ($this->backward($i, $prev)) {
-                    if (!$prev instanceof HTMLPurifier_Token_Text) {
-                        // State 3.1.1: ...</p>{p}<b>
-                        //                        ---
-                        // State 3.2.1: ...</p><div>
-                        //                     -----
-                        if (!is_array($token)) {
-                            $token = array($token);
-                        }
-                        array_unshift($token, new HTMLPurifier_Token_Text("\n\n"));
-                    } else {
-                        // State 3.1.2: ...</p>\n\n{p}<b>
-                        //                            ---
-                        // State 3.2.2: ...</p>\n\n<div>
-                        //                         -----
-                        // Note: PAR<ELEM> cannot occur because PAR would have been
-                        // wrapped in <p> tags.
-                    }
-                }
-            }
-        } else {
-            // State 2.2: <ul><li>
-            //                ----
-            // State 2.4: <p><b>
-            //               ---
-        }
-    }
-
-    /**
-     * Splits up a text in paragraph tokens and appends them
-     * to the result stream that will replace the original
-     * @param string $data String text data that will be processed
-     *    into paragraphs
-     * @param HTMLPurifier_Token[] $result Reference to array of tokens that the
-     *    tags will be appended onto
-     */
-    private function _splitText($data, &$result)
-    {
-        $raw_paragraphs = explode("\n\n", $data);
-        $paragraphs = array(); // without empty paragraphs
-        $needs_start = false;
-        $needs_end = false;
-
-        $c = count($raw_paragraphs);
-        if ($c == 1) {
-            // There were no double-newlines, abort quickly. In theory this
-            // should never happen.
-            $result[] = new HTMLPurifier_Token_Text($data);
-            return;
-        }
-        for ($i = 0; $i < $c; $i++) {
-            $par = $raw_paragraphs[$i];
-            if (trim($par) !== '') {
-                $paragraphs[] = $par;
-            } else {
-                if ($i == 0) {
-                    // Double newline at the front
-                    if (empty($result)) {
-                        // The empty result indicates that the AutoParagraph
-                        // injector did not add any start paragraph tokens.
-                        // This means that we have been in a paragraph for
-                        // a while, and the newline means we should start a new one.
-                        $result[] = new HTMLPurifier_Token_End('p');
-                        $result[] = new HTMLPurifier_Token_Text("\n\n");
-                        // However, the start token should only be added if
-                        // there is more processing to be done (i.e. there are
-                        // real paragraphs in here). If there are none, the
-                        // next start paragraph tag will be handled by the
-                        // next call to the injector
-                        $needs_start = true;
-                    } else {
-                        // We just started a new paragraph!
-                        // Reinstate a double-newline for presentation's sake, since
-                        // it was in the source code.
-                        array_unshift($result, new HTMLPurifier_Token_Text("\n\n"));
-                    }
-                } elseif ($i + 1 == $c) {
-                    // Double newline at the end
-                    // There should be a trailing </p> when we're finally done.
-                    $needs_end = true;
-                }
-            }
-        }
-
-        // Check if this was just a giant blob of whitespace. Move this earlier,
-        // perhaps?
-        if (empty($paragraphs)) {
-            return;
-        }
-
-        // Add the start tag indicated by \n\n at the beginning of $data
-        if ($needs_start) {
-            $result[] = $this->_pStart();
-        }
-
-        // Append the paragraphs onto the result
-        foreach ($paragraphs as $par) {
-            $result[] = new HTMLPurifier_Token_Text($par);
-            $result[] = new HTMLPurifier_Token_End('p');
-            $result[] = new HTMLPurifier_Token_Text("\n\n");
-            $result[] = $this->_pStart();
-        }
-
-        // Remove trailing start token; Injector will handle this later if
-        // it was indeed needed. This prevents from needing to do a lookahead,
-        // at the cost of a lookbehind later.
-        array_pop($result);
-
-        // If there is no need for an end tag, remove all of it and let
-        // MakeWellFormed close it later.
-        if (!$needs_end) {
-            array_pop($result); // removes \n\n
-            array_pop($result); // removes </p>
-        }
-    }
-
-    /**
-     * Returns true if passed token is inline (and, ergo, allowed in
-     * paragraph tags)
-     * @param HTMLPurifier_Token $token
-     * @return bool
-     */
-    private function _isInline($token)
-    {
-        return isset($this->htmlDefinition->info['p']->child->elements[$token->name]);
-    }
-
-    /**
-     * Looks ahead in the token list and determines whether or not we need
-     * to insert a <p> tag.
-     * @return bool
-     */
-    private function _pLookAhead()
-    {
-        if ($this->currentToken instanceof HTMLPurifier_Token_Start) {
-            $nesting = 1;
-        } else {
-            $nesting = 0;
-        }
-        $ok = false;
-        $i = null;
-        while ($this->forwardUntilEndToken($i, $current, $nesting)) {
-            $result = $this->_checkNeedsP($current);
-            if ($result !== null) {
-                $ok = $result;
-                break;
-            }
-        }
-        return $ok;
-    }
-
-    /**
-     * Determines if a particular token requires an earlier inline token
-     * to get a paragraph. This should be used with _forwardUntilEndToken
-     * @param HTMLPurifier_Token $current
-     * @return bool
-     */
-    private function _checkNeedsP($current)
-    {
-        if ($current instanceof HTMLPurifier_Token_Start) {
-            if (!$this->_isInline($current)) {
-                // <div>PAR1<div>
-                //      ----
-                // Terminate early, since we hit a block element
-                return false;
-            }
-        } elseif ($current instanceof HTMLPurifier_Token_Text) {
-            if (strpos($current->data, "\n\n") !== false) {
-                // <div>PAR1<b>PAR1\n\nPAR2
-                //      ----
-                return true;
-            } else {
-                // <div>PAR1<b>PAR1...
-                //      ----
-            }
-        }
-        return null;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/Injector/DisplayLinkURI.php b/library/HTMLPurifier/Injector/DisplayLinkURI.php
deleted file mode 100644
index c19b1bc27..000000000
--- a/library/HTMLPurifier/Injector/DisplayLinkURI.php
+++ /dev/null
@@ -1,40 +0,0 @@
-<?php
-
-/**
- * Injector that displays the URL of an anchor instead of linking to it, in addition to showing the text of the link.
- */
-class HTMLPurifier_Injector_DisplayLinkURI extends HTMLPurifier_Injector
-{
-    /**
-     * @type string
-     */
-    public $name = 'DisplayLinkURI';
-
-    /**
-     * @type array
-     */
-    public $needed = array('a');
-
-    /**
-     * @param $token
-     */
-    public function handleElement(&$token)
-    {
-    }
-
-    /**
-     * @param HTMLPurifier_Token $token
-     */
-    public function handleEnd(&$token)
-    {
-        if (isset($token->start->attr['href'])) {
-            $url = $token->start->attr['href'];
-            unset($token->start->attr['href']);
-            $token = array($token, new HTMLPurifier_Token_Text(" ($url)"));
-        } else {
-            // nothing to display
-        }
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/Injector/Linkify.php b/library/HTMLPurifier/Injector/Linkify.php
deleted file mode 100644
index 069708c25..000000000
--- a/library/HTMLPurifier/Injector/Linkify.php
+++ /dev/null
@@ -1,59 +0,0 @@
-<?php
-
-/**
- * Injector that converts http, https and ftp text URLs to actual links.
- */
-class HTMLPurifier_Injector_Linkify extends HTMLPurifier_Injector
-{
-    /**
-     * @type string
-     */
-    public $name = 'Linkify';
-
-    /**
-     * @type array
-     */
-    public $needed = array('a' => array('href'));
-
-    /**
-     * @param HTMLPurifier_Token $token
-     */
-    public function handleText(&$token)
-    {
-        if (!$this->allowsElement('a')) {
-            return;
-        }
-
-        if (strpos($token->data, '://') === false) {
-            // our really quick heuristic failed, abort
-            // this may not work so well if we want to match things like
-            // "google.com", but then again, most people don't
-            return;
-        }
-
-        // there is/are URL(s). Let's split the string:
-        // Note: this regex is extremely permissive
-        $bits = preg_split('#((?:https?|ftp)://[^\s\'",<>()]+)#Su', $token->data, -1, PREG_SPLIT_DELIM_CAPTURE);
-
-
-        $token = array();
-
-        // $i = index
-        // $c = count
-        // $l = is link
-        for ($i = 0, $c = count($bits), $l = false; $i < $c; $i++, $l = !$l) {
-            if (!$l) {
-                if ($bits[$i] === '') {
-                    continue;
-                }
-                $token[] = new HTMLPurifier_Token_Text($bits[$i]);
-            } else {
-                $token[] = new HTMLPurifier_Token_Start('a', array('href' => $bits[$i]));
-                $token[] = new HTMLPurifier_Token_Text($bits[$i]);
-                $token[] = new HTMLPurifier_Token_End('a');
-            }
-        }
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/Injector/PurifierLinkify.php b/library/HTMLPurifier/Injector/PurifierLinkify.php
deleted file mode 100644
index cb9046f33..000000000
--- a/library/HTMLPurifier/Injector/PurifierLinkify.php
+++ /dev/null
@@ -1,71 +0,0 @@
-<?php
-
-/**
- * Injector that converts configuration directive syntax %Namespace.Directive
- * to links
- */
-class HTMLPurifier_Injector_PurifierLinkify extends HTMLPurifier_Injector
-{
-    /**
-     * @type string
-     */
-    public $name = 'PurifierLinkify';
-
-    /**
-     * @type string
-     */
-    public $docURL;
-
-    /**
-     * @type array
-     */
-    public $needed = array('a' => array('href'));
-
-    /**
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return string
-     */
-    public function prepare($config, $context)
-    {
-        $this->docURL = $config->get('AutoFormat.PurifierLinkify.DocURL');
-        return parent::prepare($config, $context);
-    }
-
-    /**
-     * @param HTMLPurifier_Token $token
-     */
-    public function handleText(&$token)
-    {
-        if (!$this->allowsElement('a')) {
-            return;
-        }
-        if (strpos($token->data, '%') === false) {
-            return;
-        }
-
-        $bits = preg_split('#%([a-z0-9]+\.[a-z0-9]+)#Si', $token->data, -1, PREG_SPLIT_DELIM_CAPTURE);
-        $token = array();
-
-        // $i = index
-        // $c = count
-        // $l = is link
-        for ($i = 0, $c = count($bits), $l = false; $i < $c; $i++, $l = !$l) {
-            if (!$l) {
-                if ($bits[$i] === '') {
-                    continue;
-                }
-                $token[] = new HTMLPurifier_Token_Text($bits[$i]);
-            } else {
-                $token[] = new HTMLPurifier_Token_Start(
-                    'a',
-                    array('href' => str_replace('%s', $bits[$i], $this->docURL))
-                );
-                $token[] = new HTMLPurifier_Token_Text('%' . $bits[$i]);
-                $token[] = new HTMLPurifier_Token_End('a');
-            }
-        }
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/Injector/RemoveEmpty.php b/library/HTMLPurifier/Injector/RemoveEmpty.php
deleted file mode 100644
index cd885722e..000000000
--- a/library/HTMLPurifier/Injector/RemoveEmpty.php
+++ /dev/null
@@ -1,101 +0,0 @@
-<?php
-
-class HTMLPurifier_Injector_RemoveEmpty extends HTMLPurifier_Injector
-{
-    /**
-     * @type HTMLPurifier_Context
-     */
-    private $context;
-
-    /**
-     * @type HTMLPurifier_Config
-     */
-    private $config;
-
-    /**
-     * @type HTMLPurifier_AttrValidator
-     */
-    private $attrValidator;
-
-    /**
-     * @type bool
-     */
-    private $removeNbsp;
-
-    /**
-     * @type bool
-     */
-    private $removeNbspExceptions;
-
-    /**
-     * @type array
-     * TODO: make me configurable
-     */
-    private $_exclude = array('colgroup' => 1, 'th' => 1, 'td' => 1, 'iframe' => 1);
-
-    /**
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return void
-     */
-    public function prepare($config, $context)
-    {
-        parent::prepare($config, $context);
-        $this->config = $config;
-        $this->context = $context;
-        $this->removeNbsp = $config->get('AutoFormat.RemoveEmpty.RemoveNbsp');
-        $this->removeNbspExceptions = $config->get('AutoFormat.RemoveEmpty.RemoveNbsp.Exceptions');
-        $this->attrValidator = new HTMLPurifier_AttrValidator();
-    }
-
-    /**
-     * @param HTMLPurifier_Token $token
-     */
-    public function handleElement(&$token)
-    {
-        if (!$token instanceof HTMLPurifier_Token_Start) {
-            return;
-        }
-        $next = false;
-        $deleted = 1; // the current tag
-        for ($i = count($this->inputZipper->back) - 1; $i >= 0; $i--, $deleted++) {
-            $next = $this->inputZipper->back[$i];
-            if ($next instanceof HTMLPurifier_Token_Text) {
-                if ($next->is_whitespace) {
-                    continue;
-                }
-                if ($this->removeNbsp && !isset($this->removeNbspExceptions[$token->name])) {
-                    $plain = str_replace("\xC2\xA0", "", $next->data);
-                    $isWsOrNbsp = $plain === '' || ctype_space($plain);
-                    if ($isWsOrNbsp) {
-                        continue;
-                    }
-                }
-            }
-            break;
-        }
-        if (!$next || ($next instanceof HTMLPurifier_Token_End && $next->name == $token->name)) {
-            if (isset($this->_exclude[$token->name])) {
-                return;
-            }
-            $this->attrValidator->validateToken($token, $this->config, $this->context);
-            $token->armor['ValidateAttributes'] = true;
-            if (isset($token->attr['id']) || isset($token->attr['name'])) {
-                return;
-            }
-            $token = $deleted + 1;
-            for ($b = 0, $c = count($this->inputZipper->front); $b < $c; $b++) {
-                $prev = $this->inputZipper->front[$b];
-                if ($prev instanceof HTMLPurifier_Token_Text && $prev->is_whitespace) {
-                    continue;
-                }
-                break;
-            }
-            // This is safe because we removed the token that triggered this.
-            $this->rewindOffset($b+$deleted);
-            return;
-        }
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/Injector/RemoveSpansWithoutAttributes.php b/library/HTMLPurifier/Injector/RemoveSpansWithoutAttributes.php
deleted file mode 100644
index 9ee7aa84d..000000000
--- a/library/HTMLPurifier/Injector/RemoveSpansWithoutAttributes.php
+++ /dev/null
@@ -1,84 +0,0 @@
-<?php
-
-/**
- * Injector that removes spans with no attributes
- */
-class HTMLPurifier_Injector_RemoveSpansWithoutAttributes extends HTMLPurifier_Injector
-{
-    /**
-     * @type string
-     */
-    public $name = 'RemoveSpansWithoutAttributes';
-
-    /**
-     * @type array
-     */
-    public $needed = array('span');
-
-    /**
-     * @type HTMLPurifier_AttrValidator
-     */
-    private $attrValidator;
-
-    /**
-     * Used by AttrValidator.
-     * @type HTMLPurifier_Config
-     */
-    private $config;
-
-    /**
-     * @type HTMLPurifier_Context
-     */
-    private $context;
-
-    public function prepare($config, $context)
-    {
-        $this->attrValidator = new HTMLPurifier_AttrValidator();
-        $this->config = $config;
-        $this->context = $context;
-        return parent::prepare($config, $context);
-    }
-
-    /**
-     * @param HTMLPurifier_Token $token
-     */
-    public function handleElement(&$token)
-    {
-        if ($token->name !== 'span' || !$token instanceof HTMLPurifier_Token_Start) {
-            return;
-        }
-
-        // We need to validate the attributes now since this doesn't normally
-        // happen until after MakeWellFormed. If all the attributes are removed
-        // the span needs to be removed too.
-        $this->attrValidator->validateToken($token, $this->config, $this->context);
-        $token->armor['ValidateAttributes'] = true;
-
-        if (!empty($token->attr)) {
-            return;
-        }
-
-        $nesting = 0;
-        while ($this->forwardUntilEndToken($i, $current, $nesting)) {
-        }
-
-        if ($current instanceof HTMLPurifier_Token_End && $current->name === 'span') {
-            // Mark closing span tag for deletion
-            $current->markForDeletion = true;
-            // Delete open span tag
-            $token = false;
-        }
-    }
-
-    /**
-     * @param HTMLPurifier_Token $token
-     */
-    public function handleEnd(&$token)
-    {
-        if ($token->markForDeletion) {
-            $token = false;
-        }
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/Injector/SafeObject.php b/library/HTMLPurifier/Injector/SafeObject.php
deleted file mode 100644
index 3d17e07af..000000000
--- a/library/HTMLPurifier/Injector/SafeObject.php
+++ /dev/null
@@ -1,121 +0,0 @@
-<?php
-
-/**
- * Adds important param elements to inside of object in order to make
- * things safe.
- */
-class HTMLPurifier_Injector_SafeObject extends HTMLPurifier_Injector
-{
-    /**
-     * @type string
-     */
-    public $name = 'SafeObject';
-
-    /**
-     * @type array
-     */
-    public $needed = array('object', 'param');
-
-    /**
-     * @type array
-     */
-    protected $objectStack = array();
-
-    /**
-     * @type array
-     */
-    protected $paramStack = array();
-
-    /**
-     * Keep this synchronized with AttrTransform/SafeParam.php.
-     * @type array
-     */
-    protected $addParam = array(
-        'allowScriptAccess' => 'never',
-        'allowNetworking' => 'internal',
-    );
-
-    /**
-     * @type array
-     */
-    protected $allowedParam = array(
-        'wmode' => true,
-        'movie' => true,
-        'flashvars' => true,
-        'src' => true,
-        'allowFullScreen' => true, // if omitted, assume to be 'false'
-    );
-
-    /**
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return void
-     */
-    public function prepare($config, $context)
-    {
-        parent::prepare($config, $context);
-    }
-
-    /**
-     * @param HTMLPurifier_Token $token
-     */
-    public function handleElement(&$token)
-    {
-        if ($token->name == 'object') {
-            $this->objectStack[] = $token;
-            $this->paramStack[] = array();
-            $new = array($token);
-            foreach ($this->addParam as $name => $value) {
-                $new[] = new HTMLPurifier_Token_Empty('param', array('name' => $name, 'value' => $value));
-            }
-            $token = $new;
-        } elseif ($token->name == 'param') {
-            $nest = count($this->currentNesting) - 1;
-            if ($nest >= 0 && $this->currentNesting[$nest]->name === 'object') {
-                $i = count($this->objectStack) - 1;
-                if (!isset($token->attr['name'])) {
-                    $token = false;
-                    return;
-                }
-                $n = $token->attr['name'];
-                // We need this fix because YouTube doesn't supply a data
-                // attribute, which we need if a type is specified. This is
-                // *very* Flash specific.
-                if (!isset($this->objectStack[$i]->attr['data']) &&
-                    ($token->attr['name'] == 'movie' || $token->attr['name'] == 'src')
-                ) {
-                    $this->objectStack[$i]->attr['data'] = $token->attr['value'];
-                }
-                // Check if the parameter is the correct value but has not
-                // already been added
-                if (!isset($this->paramStack[$i][$n]) &&
-                    isset($this->addParam[$n]) &&
-                    $token->attr['name'] === $this->addParam[$n]) {
-                    // keep token, and add to param stack
-                    $this->paramStack[$i][$n] = true;
-                } elseif (isset($this->allowedParam[$n])) {
-                    // keep token, don't do anything to it
-                    // (could possibly check for duplicates here)
-                } else {
-                    $token = false;
-                }
-            } else {
-                // not directly inside an object, DENY!
-                $token = false;
-            }
-        }
-    }
-
-    public function handleEnd(&$token)
-    {
-        // This is the WRONG way of handling the object and param stacks;
-        // we should be inserting them directly on the relevant object tokens
-        // so that the global stack handling handles it.
-        if ($token->name == 'object') {
-            array_pop($this->objectStack);
-            array_pop($this->paramStack);
-        }
-    }
-}
-
-// vim: et sw=4 sts=4