: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.

5 files changed, 0 insertions, 830 deletions

diff --git a/library/HTMLPurifier/Printer/CSSDefinition.php b/library/HTMLPurifier/Printer/CSSDefinition.php
deleted file mode 100644
index 29505fe12..000000000
--- a/library/HTMLPurifier/Printer/CSSDefinition.php
+++ /dev/null
@@ -1,44 +0,0 @@
-<?php
-
-class HTMLPurifier_Printer_CSSDefinition extends HTMLPurifier_Printer
-{
-    /**
-     * @type HTMLPurifier_CSSDefinition
-     */
-    protected $def;
-
-    /**
-     * @param HTMLPurifier_Config $config
-     * @return string
-     */
-    public function render($config)
-    {
-        $this->def = $config->getCSSDefinition();
-        $ret = '';
-
-        $ret .= $this->start('div', array('class' => 'HTMLPurifier_Printer'));
-        $ret .= $this->start('table');
-
-        $ret .= $this->element('caption', 'Properties ($info)');
-
-        $ret .= $this->start('thead');
-        $ret .= $this->start('tr');
-        $ret .= $this->element('th', 'Property', array('class' => 'heavy'));
-        $ret .= $this->element('th', 'Definition', array('class' => 'heavy', 'style' => 'width:auto;'));
-        $ret .= $this->end('tr');
-        $ret .= $this->end('thead');
-
-        ksort($this->def->info);
-        foreach ($this->def->info as $property => $obj) {
-            $name = $this->getClass($obj, 'AttrDef_');
-            $ret .= $this->row($property, $name);
-        }
-
-        $ret .= $this->end('table');
-        $ret .= $this->end('div');
-
-        return $ret;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/Printer/ConfigForm.css b/library/HTMLPurifier/Printer/ConfigForm.css
deleted file mode 100644
index 3ff1a88aa..000000000
--- a/library/HTMLPurifier/Printer/ConfigForm.css
+++ /dev/null
@@ -1,10 +0,0 @@
-
-.hp-config {}
-
-.hp-config tbody th {text-align:right; padding-right:0.5em;}
-.hp-config thead, .hp-config .namespace {background:#3C578C; color:#FFF;}
-.hp-config .namespace th {text-align:center;}
-.hp-config .verbose {display:none;}
-.hp-config .controls {text-align:center;}
-
-/* vim: et sw=4 sts=4 */
diff --git a/library/HTMLPurifier/Printer/ConfigForm.js b/library/HTMLPurifier/Printer/ConfigForm.js
deleted file mode 100644
index cba00c9b8..000000000
--- a/library/HTMLPurifier/Printer/ConfigForm.js
+++ /dev/null
@@ -1,5 +0,0 @@
-function toggleWriteability(id_of_patient, checked) {
-    document.getElementById(id_of_patient).disabled = checked;
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/Printer/ConfigForm.php b/library/HTMLPurifier/Printer/ConfigForm.php
deleted file mode 100644
index 36100ce73..000000000
--- a/library/HTMLPurifier/Printer/ConfigForm.php
+++ /dev/null
@@ -1,447 +0,0 @@
-<?php
-
-/**
- * @todo Rewrite to use Interchange objects
- */
-class HTMLPurifier_Printer_ConfigForm extends HTMLPurifier_Printer
-{
-
-    /**
-     * Printers for specific fields.
-     * @type HTMLPurifier_Printer[]
-     */
-    protected $fields = array();
-
-    /**
-     * Documentation URL, can have fragment tagged on end.
-     * @type string
-     */
-    protected $docURL;
-
-    /**
-     * Name of form element to stuff config in.
-     * @type string
-     */
-    protected $name;
-
-    /**
-     * Whether or not to compress directive names, clipping them off
-     * after a certain amount of letters. False to disable or integer letters
-     * before clipping.
-     * @type bool
-     */
-    protected $compress = false;
-
-    /**
-     * @param string $name Form element name for directives to be stuffed into
-     * @param string $doc_url String documentation URL, will have fragment tagged on
-     * @param bool $compress Integer max length before compressing a directive name, set to false to turn off
-     */
-    public function __construct(
-        $name,
-        $doc_url = null,
-        $compress = false
-    ) {
-        parent::__construct();
-        $this->docURL = $doc_url;
-        $this->name = $name;
-        $this->compress = $compress;
-        // initialize sub-printers
-        $this->fields[0] = new HTMLPurifier_Printer_ConfigForm_default();
-        $this->fields[HTMLPurifier_VarParser::BOOL] = new HTMLPurifier_Printer_ConfigForm_bool();
-    }
-
-    /**
-     * Sets default column and row size for textareas in sub-printers
-     * @param $cols Integer columns of textarea, null to use default
-     * @param $rows Integer rows of textarea, null to use default
-     */
-    public function setTextareaDimensions($cols = null, $rows = null)
-    {
-        if ($cols) {
-            $this->fields['default']->cols = $cols;
-        }
-        if ($rows) {
-            $this->fields['default']->rows = $rows;
-        }
-    }
-
-    /**
-     * Retrieves styling, in case it is not accessible by webserver
-     */
-    public static function getCSS()
-    {
-        return file_get_contents(HTMLPURIFIER_PREFIX . '/HTMLPurifier/Printer/ConfigForm.css');
-    }
-
-    /**
-     * Retrieves JavaScript, in case it is not accessible by webserver
-     */
-    public static function getJavaScript()
-    {
-        return file_get_contents(HTMLPURIFIER_PREFIX . '/HTMLPurifier/Printer/ConfigForm.js');
-    }
-
-    /**
-     * Returns HTML output for a configuration form
-     * @param HTMLPurifier_Config|array $config Configuration object of current form state, or an array
-     *        where [0] has an HTML namespace and [1] is being rendered.
-     * @param array|bool $allowed Optional namespace(s) and directives to restrict form to.
-     * @param bool $render_controls
-     * @return string
-     */
-    public function render($config, $allowed = true, $render_controls = true)
-    {
-        if (is_array($config) && isset($config[0])) {
-            $gen_config = $config[0];
-            $config = $config[1];
-        } else {
-            $gen_config = $config;
-        }
-
-        $this->config = $config;
-        $this->genConfig = $gen_config;
-        $this->prepareGenerator($gen_config);
-
-        $allowed = HTMLPurifier_Config::getAllowedDirectivesForForm($allowed, $config->def);
-        $all = array();
-        foreach ($allowed as $key) {
-            list($ns, $directive) = $key;
-            $all[$ns][$directive] = $config->get($ns . '.' . $directive);
-        }
-
-        $ret = '';
-        $ret .= $this->start('table', array('class' => 'hp-config'));
-        $ret .= $this->start('thead');
-        $ret .= $this->start('tr');
-        $ret .= $this->element('th', 'Directive', array('class' => 'hp-directive'));
-        $ret .= $this->element('th', 'Value', array('class' => 'hp-value'));
-        $ret .= $this->end('tr');
-        $ret .= $this->end('thead');
-        foreach ($all as $ns => $directives) {
-            $ret .= $this->renderNamespace($ns, $directives);
-        }
-        if ($render_controls) {
-            $ret .= $this->start('tbody');
-            $ret .= $this->start('tr');
-            $ret .= $this->start('td', array('colspan' => 2, 'class' => 'controls'));
-            $ret .= $this->elementEmpty('input', array('type' => 'submit', 'value' => 'Submit'));
-            $ret .= '[<a href="?">Reset</a>]';
-            $ret .= $this->end('td');
-            $ret .= $this->end('tr');
-            $ret .= $this->end('tbody');
-        }
-        $ret .= $this->end('table');
-        return $ret;
-    }
-
-    /**
-     * Renders a single namespace
-     * @param $ns String namespace name
-     * @param array $directives array of directives to values
-     * @return string
-     */
-    protected function renderNamespace($ns, $directives)
-    {
-        $ret = '';
-        $ret .= $this->start('tbody', array('class' => 'namespace'));
-        $ret .= $this->start('tr');
-        $ret .= $this->element('th', $ns, array('colspan' => 2));
-        $ret .= $this->end('tr');
-        $ret .= $this->end('tbody');
-        $ret .= $this->start('tbody');
-        foreach ($directives as $directive => $value) {
-            $ret .= $this->start('tr');
-            $ret .= $this->start('th');
-            if ($this->docURL) {
-                $url = str_replace('%s', urlencode("$ns.$directive"), $this->docURL);
-                $ret .= $this->start('a', array('href' => $url));
-            }
-            $attr = array('for' => "{$this->name}:$ns.$directive");
-
-            // crop directive name if it's too long
-            if (!$this->compress || (strlen($directive) < $this->compress)) {
-                $directive_disp = $directive;
-            } else {
-                $directive_disp = substr($directive, 0, $this->compress - 2) . '...';
-                $attr['title'] = $directive;
-            }
-
-            $ret .= $this->element(
-                'label',
-                $directive_disp,
-                // component printers must create an element with this id
-                $attr
-            );
-            if ($this->docURL) {
-                $ret .= $this->end('a');
-            }
-            $ret .= $this->end('th');
-
-            $ret .= $this->start('td');
-            $def = $this->config->def->info["$ns.$directive"];
-            if (is_int($def)) {
-                $allow_null = $def < 0;
-                $type = abs($def);
-            } else {
-                $type = $def->type;
-                $allow_null = isset($def->allow_null);
-            }
-            if (!isset($this->fields[$type])) {
-                $type = 0;
-            } // default
-            $type_obj = $this->fields[$type];
-            if ($allow_null) {
-                $type_obj = new HTMLPurifier_Printer_ConfigForm_NullDecorator($type_obj);
-            }
-            $ret .= $type_obj->render($ns, $directive, $value, $this->name, array($this->genConfig, $this->config));
-            $ret .= $this->end('td');
-            $ret .= $this->end('tr');
-        }
-        $ret .= $this->end('tbody');
-        return $ret;
-    }
-
-}
-
-/**
- * Printer decorator for directives that accept null
- */
-class HTMLPurifier_Printer_ConfigForm_NullDecorator extends HTMLPurifier_Printer
-{
-    /**
-     * Printer being decorated
-     * @type HTMLPurifier_Printer
-     */
-    protected $obj;
-
-    /**
-     * @param HTMLPurifier_Printer $obj Printer to decorate
-     */
-    public function __construct($obj)
-    {
-        parent::__construct();
-        $this->obj = $obj;
-    }
-
-    /**
-     * @param string $ns
-     * @param string $directive
-     * @param string $value
-     * @param string $name
-     * @param HTMLPurifier_Config|array $config
-     * @return string
-     */
-    public function render($ns, $directive, $value, $name, $config)
-    {
-        if (is_array($config) && isset($config[0])) {
-            $gen_config = $config[0];
-            $config = $config[1];
-        } else {
-            $gen_config = $config;
-        }
-        $this->prepareGenerator($gen_config);
-
-        $ret = '';
-        $ret .= $this->start('label', array('for' => "$name:Null_$ns.$directive"));
-        $ret .= $this->element('span', "$ns.$directive:", array('class' => 'verbose'));
-        $ret .= $this->text(' Null/Disabled');
-        $ret .= $this->end('label');
-        $attr = array(
-            'type' => 'checkbox',
-            'value' => '1',
-            'class' => 'null-toggle',
-            'name' => "$name" . "[Null_$ns.$directive]",
-            'id' => "$name:Null_$ns.$directive",
-            'onclick' => "toggleWriteability('$name:$ns.$directive',checked)" // INLINE JAVASCRIPT!!!!
-        );
-        if ($this->obj instanceof HTMLPurifier_Printer_ConfigForm_bool) {
-            // modify inline javascript slightly
-            $attr['onclick'] =
-                "toggleWriteability('$name:Yes_$ns.$directive',checked);" .
-                "toggleWriteability('$name:No_$ns.$directive',checked)";
-        }
-        if ($value === null) {
-            $attr['checked'] = 'checked';
-        }
-        $ret .= $this->elementEmpty('input', $attr);
-        $ret .= $this->text(' or ');
-        $ret .= $this->elementEmpty('br');
-        $ret .= $this->obj->render($ns, $directive, $value, $name, array($gen_config, $config));
-        return $ret;
-    }
-}
-
-/**
- * Swiss-army knife configuration form field printer
- */
-class HTMLPurifier_Printer_ConfigForm_default extends HTMLPurifier_Printer
-{
-    /**
-     * @type int
-     */
-    public $cols = 18;
-
-    /**
-     * @type int
-     */
-    public $rows = 5;
-
-    /**
-     * @param string $ns
-     * @param string $directive
-     * @param string $value
-     * @param string $name
-     * @param HTMLPurifier_Config|array $config
-     * @return string
-     */
-    public function render($ns, $directive, $value, $name, $config)
-    {
-        if (is_array($config) && isset($config[0])) {
-            $gen_config = $config[0];
-            $config = $config[1];
-        } else {
-            $gen_config = $config;
-        }
-        $this->prepareGenerator($gen_config);
-        // this should probably be split up a little
-        $ret = '';
-        $def = $config->def->info["$ns.$directive"];
-        if (is_int($def)) {
-            $type = abs($def);
-        } else {
-            $type = $def->type;
-        }
-        if (is_array($value)) {
-            switch ($type) {
-                case HTMLPurifier_VarParser::LOOKUP:
-                    $array = $value;
-                    $value = array();
-                    foreach ($array as $val => $b) {
-                        $value[] = $val;
-                    }
-                    //TODO does this need a break?
-                case HTMLPurifier_VarParser::ALIST:
-                    $value = implode(PHP_EOL, $value);
-                    break;
-                case HTMLPurifier_VarParser::HASH:
-                    $nvalue = '';
-                    foreach ($value as $i => $v) {
-                        $nvalue .= "$i:$v" . PHP_EOL;
-                    }
-                    $value = $nvalue;
-                    break;
-                default:
-                    $value = '';
-            }
-        }
-        if ($type === HTMLPurifier_VarParser::MIXED) {
-            return 'Not supported';
-            $value = serialize($value);
-        }
-        $attr = array(
-            'name' => "$name" . "[$ns.$directive]",
-            'id' => "$name:$ns.$directive"
-        );
-        if ($value === null) {
-            $attr['disabled'] = 'disabled';
-        }
-        if (isset($def->allowed)) {
-            $ret .= $this->start('select', $attr);
-            foreach ($def->allowed as $val => $b) {
-                $attr = array();
-                if ($value == $val) {
-                    $attr['selected'] = 'selected';
-                }
-                $ret .= $this->element('option', $val, $attr);
-            }
-            $ret .= $this->end('select');
-        } elseif ($type === HTMLPurifier_VarParser::TEXT ||
-                $type === HTMLPurifier_VarParser::ITEXT ||
-                $type === HTMLPurifier_VarParser::ALIST ||
-                $type === HTMLPurifier_VarParser::HASH ||
-                $type === HTMLPurifier_VarParser::LOOKUP) {
-            $attr['cols'] = $this->cols;
-            $attr['rows'] = $this->rows;
-            $ret .= $this->start('textarea', $attr);
-            $ret .= $this->text($value);
-            $ret .= $this->end('textarea');
-        } else {
-            $attr['value'] = $value;
-            $attr['type'] = 'text';
-            $ret .= $this->elementEmpty('input', $attr);
-        }
-        return $ret;
-    }
-}
-
-/**
- * Bool form field printer
- */
-class HTMLPurifier_Printer_ConfigForm_bool extends HTMLPurifier_Printer
-{
-    /**
-     * @param string $ns
-     * @param string $directive
-     * @param string $value
-     * @param string $name
-     * @param HTMLPurifier_Config|array $config
-     * @return string
-     */
-    public function render($ns, $directive, $value, $name, $config)
-    {
-        if (is_array($config) && isset($config[0])) {
-            $gen_config = $config[0];
-            $config = $config[1];
-        } else {
-            $gen_config = $config;
-        }
-        $this->prepareGenerator($gen_config);
-        $ret = '';
-        $ret .= $this->start('div', array('id' => "$name:$ns.$directive"));
-
-        $ret .= $this->start('label', array('for' => "$name:Yes_$ns.$directive"));
-        $ret .= $this->element('span', "$ns.$directive:", array('class' => 'verbose'));
-        $ret .= $this->text(' Yes');
-        $ret .= $this->end('label');
-
-        $attr = array(
-            'type' => 'radio',
-            'name' => "$name" . "[$ns.$directive]",
-            'id' => "$name:Yes_$ns.$directive",
-            'value' => '1'
-        );
-        if ($value === true) {
-            $attr['checked'] = 'checked';
-        }
-        if ($value === null) {
-            $attr['disabled'] = 'disabled';
-        }
-        $ret .= $this->elementEmpty('input', $attr);
-
-        $ret .= $this->start('label', array('for' => "$name:No_$ns.$directive"));
-        $ret .= $this->element('span', "$ns.$directive:", array('class' => 'verbose'));
-        $ret .= $this->text(' No');
-        $ret .= $this->end('label');
-
-        $attr = array(
-            'type' => 'radio',
-            'name' => "$name" . "[$ns.$directive]",
-            'id' => "$name:No_$ns.$directive",
-            'value' => '0'
-        );
-        if ($value === false) {
-            $attr['checked'] = 'checked';
-        }
-        if ($value === null) {
-            $attr['disabled'] = 'disabled';
-        }
-        $ret .= $this->elementEmpty('input', $attr);
-
-        $ret .= $this->end('div');
-
-        return $ret;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/library/HTMLPurifier/Printer/HTMLDefinition.php b/library/HTMLPurifier/Printer/HTMLDefinition.php
deleted file mode 100644
index 5f2f2f8a7..000000000
--- a/library/HTMLPurifier/Printer/HTMLDefinition.php
+++ /dev/null
@@ -1,324 +0,0 @@
-<?php
-
-class HTMLPurifier_Printer_HTMLDefinition extends HTMLPurifier_Printer
-{
-
-    /**
-     * @type HTMLPurifier_HTMLDefinition, for easy access
-     */
-    protected $def;
-
-    /**
-     * @param HTMLPurifier_Config $config
-     * @return string
-     */
-    public function render($config)
-    {
-        $ret = '';
-        $this->config =& $config;
-
-        $this->def = $config->getHTMLDefinition();
-
-        $ret .= $this->start('div', array('class' => 'HTMLPurifier_Printer'));
-
-        $ret .= $this->renderDoctype();
-        $ret .= $this->renderEnvironment();
-        $ret .= $this->renderContentSets();
-        $ret .= $this->renderInfo();
-
-        $ret .= $this->end('div');
-
-        return $ret;
-    }
-
-    /**
-     * Renders the Doctype table
-     * @return string
-     */
-    protected function renderDoctype()
-    {
-        $doctype = $this->def->doctype;
-        $ret = '';
-        $ret .= $this->start('table');
-        $ret .= $this->element('caption', 'Doctype');
-        $ret .= $this->row('Name', $doctype->name);
-        $ret .= $this->row('XML', $doctype->xml ? 'Yes' : 'No');
-        $ret .= $this->row('Default Modules', implode($doctype->modules, ', '));
-        $ret .= $this->row('Default Tidy Modules', implode($doctype->tidyModules, ', '));
-        $ret .= $this->end('table');
-        return $ret;
-    }
-
-
-    /**
-     * Renders environment table, which is miscellaneous info
-     * @return string
-     */
-    protected function renderEnvironment()
-    {
-        $def = $this->def;
-
-        $ret = '';
-
-        $ret .= $this->start('table');
-        $ret .= $this->element('caption', 'Environment');
-
-        $ret .= $this->row('Parent of fragment', $def->info_parent);
-        $ret .= $this->renderChildren($def->info_parent_def->child);
-        $ret .= $this->row('Block wrap name', $def->info_block_wrapper);
-
-        $ret .= $this->start('tr');
-        $ret .= $this->element('th', 'Global attributes');
-        $ret .= $this->element('td', $this->listifyAttr($def->info_global_attr), null, 0);
-        $ret .= $this->end('tr');
-
-        $ret .= $this->start('tr');
-        $ret .= $this->element('th', 'Tag transforms');
-        $list = array();
-        foreach ($def->info_tag_transform as $old => $new) {
-            $new = $this->getClass($new, 'TagTransform_');
-            $list[] = "<$old> with $new";
-        }
-        $ret .= $this->element('td', $this->listify($list));
-        $ret .= $this->end('tr');
-
-        $ret .= $this->start('tr');
-        $ret .= $this->element('th', 'Pre-AttrTransform');
-        $ret .= $this->element('td', $this->listifyObjectList($def->info_attr_transform_pre));
-        $ret .= $this->end('tr');
-
-        $ret .= $this->start('tr');
-        $ret .= $this->element('th', 'Post-AttrTransform');
-        $ret .= $this->element('td', $this->listifyObjectList($def->info_attr_transform_post));
-        $ret .= $this->end('tr');
-
-        $ret .= $this->end('table');
-        return $ret;
-    }
-
-    /**
-     * Renders the Content Sets table
-     * @return string
-     */
-    protected function renderContentSets()
-    {
-        $ret = '';
-        $ret .= $this->start('table');
-        $ret .= $this->element('caption', 'Content Sets');
-        foreach ($this->def->info_content_sets as $name => $lookup) {
-            $ret .= $this->heavyHeader($name);
-            $ret .= $this->start('tr');
-            $ret .= $this->element('td', $this->listifyTagLookup($lookup));
-            $ret .= $this->end('tr');
-        }
-        $ret .= $this->end('table');
-        return $ret;
-    }
-
-    /**
-     * Renders the Elements ($info) table
-     * @return string
-     */
-    protected function renderInfo()
-    {
-        $ret = '';
-        $ret .= $this->start('table');
-        $ret .= $this->element('caption', 'Elements ($info)');
-        ksort($this->def->info);
-        $ret .= $this->heavyHeader('Allowed tags', 2);
-        $ret .= $this->start('tr');
-        $ret .= $this->element('td', $this->listifyTagLookup($this->def->info), array('colspan' => 2));
-        $ret .= $this->end('tr');
-        foreach ($this->def->info as $name => $def) {
-            $ret .= $this->start('tr');
-            $ret .= $this->element('th', "<$name>", array('class' => 'heavy', 'colspan' => 2));
-            $ret .= $this->end('tr');
-            $ret .= $this->start('tr');
-            $ret .= $this->element('th', 'Inline content');
-            $ret .= $this->element('td', $def->descendants_are_inline ? 'Yes' : 'No');
-            $ret .= $this->end('tr');
-            if (!empty($def->excludes)) {
-                $ret .= $this->start('tr');
-                $ret .= $this->element('th', 'Excludes');
-                $ret .= $this->element('td', $this->listifyTagLookup($def->excludes));
-                $ret .= $this->end('tr');
-            }
-            if (!empty($def->attr_transform_pre)) {
-                $ret .= $this->start('tr');
-                $ret .= $this->element('th', 'Pre-AttrTransform');
-                $ret .= $this->element('td', $this->listifyObjectList($def->attr_transform_pre));
-                $ret .= $this->end('tr');
-            }
-            if (!empty($def->attr_transform_post)) {
-                $ret .= $this->start('tr');
-                $ret .= $this->element('th', 'Post-AttrTransform');
-                $ret .= $this->element('td', $this->listifyObjectList($def->attr_transform_post));
-                $ret .= $this->end('tr');
-            }
-            if (!empty($def->auto_close)) {
-                $ret .= $this->start('tr');
-                $ret .= $this->element('th', 'Auto closed by');
-                $ret .= $this->element('td', $this->listifyTagLookup($def->auto_close));
-                $ret .= $this->end('tr');
-            }
-            $ret .= $this->start('tr');
-            $ret .= $this->element('th', 'Allowed attributes');
-            $ret .= $this->element('td', $this->listifyAttr($def->attr), array(), 0);
-            $ret .= $this->end('tr');
-
-            if (!empty($def->required_attr)) {
-                $ret .= $this->row('Required attributes', $this->listify($def->required_attr));
-            }
-
-            $ret .= $this->renderChildren($def->child);
-        }
-        $ret .= $this->end('table');
-        return $ret;
-    }
-
-    /**
-     * Renders a row describing the allowed children of an element
-     * @param HTMLPurifier_ChildDef $def HTMLPurifier_ChildDef of pertinent element
-     * @return string
-     */
-    protected function renderChildren($def)
-    {
-        $context = new HTMLPurifier_Context();
-        $ret = '';
-        $ret .= $this->start('tr');
-        $elements = array();
-        $attr = array();
-        if (isset($def->elements)) {
-            if ($def->type == 'strictblockquote') {
-                $def->validateChildren(array(), $this->config, $context);
-            }
-            $elements = $def->elements;
-        }
-        if ($def->type == 'chameleon') {
-            $attr['rowspan'] = 2;
-        } elseif ($def->type == 'empty') {
-            $elements = array();
-        } elseif ($def->type == 'table') {
-            $elements = array_flip(
-                array(
-                    'col',
-                    'caption',
-                    'colgroup',
-                    'thead',
-                    'tfoot',
-                    'tbody',
-                    'tr'
-                )
-            );
-        }
-        $ret .= $this->element('th', 'Allowed children', $attr);
-
-        if ($def->type == 'chameleon') {
-
-            $ret .= $this->element(
-                'td',
-                '<em>Block</em>: ' .
-                $this->escape($this->listifyTagLookup($def->block->elements)),
-                null,
-                0
-            );
-            $ret .= $this->end('tr');
-            $ret .= $this->start('tr');
-            $ret .= $this->element(
-                'td',
-                '<em>Inline</em>: ' .
-                $this->escape($this->listifyTagLookup($def->inline->elements)),
-                null,
-                0
-            );
-
-        } elseif ($def->type == 'custom') {
-
-            $ret .= $this->element(
-                'td',
-                '<em>' . ucfirst($def->type) . '</em>: ' .
-                $def->dtd_regex
-            );
-
-        } else {
-            $ret .= $this->element(
-                'td',
-                '<em>' . ucfirst($def->type) . '</em>: ' .
-                $this->escape($this->listifyTagLookup($elements)),
-                null,
-                0
-            );
-        }
-        $ret .= $this->end('tr');
-        return $ret;
-    }
-
-    /**
-     * Listifies a tag lookup table.
-     * @param array $array Tag lookup array in form of array('tagname' => true)
-     * @return string
-     */
-    protected function listifyTagLookup($array)
-    {
-        ksort($array);
-        $list = array();
-        foreach ($array as $name => $discard) {
-            if ($name !== '#PCDATA' && !isset($this->def->info[$name])) {
-                continue;
-            }
-            $list[] = $name;
-        }
-        return $this->listify($list);
-    }
-
-    /**
-     * Listifies a list of objects by retrieving class names and internal state
-     * @param array $array List of objects
-     * @return string
-     * @todo Also add information about internal state
-     */
-    protected function listifyObjectList($array)
-    {
-        ksort($array);
-        $list = array();
-        foreach ($array as $obj) {
-            $list[] = $this->getClass($obj, 'AttrTransform_');
-        }
-        return $this->listify($list);
-    }
-
-    /**
-     * Listifies a hash of attributes to AttrDef classes
-     * @param array $array Array hash in form of array('attrname' => HTMLPurifier_AttrDef)
-     * @return string
-     */
-    protected function listifyAttr($array)
-    {
-        ksort($array);
-        $list = array();
-        foreach ($array as $name => $obj) {
-            if ($obj === false) {
-                continue;
-            }
-            $list[] = "$name&nbsp;=&nbsp;<i>" . $this->getClass($obj, 'AttrDef_') . '</i>';
-        }
-        return $this->listify($list);
-    }
-
-    /**
-     * Creates a heavy header row
-     * @param string $text
-     * @param int $num
-     * @return string
-     */
-    protected function heavyHeader($text, $num = 1)
-    {
-        $ret = '';
-        $ret .= $this->start('tr');
-        $ret .= $this->element('th', $text, array('colspan' => $num, 'class' => 'heavy'));
-        $ret .= $this->end('tr');
-        return $ret;
-    }
-}
-
-// vim: et sw=4 sts=4