: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.

1 files changed, 0 insertions, 230 deletions

diff --git a/library/HTMLPurifier/HTMLModule/Tidy.php b/library/HTMLPurifier/HTMLModule/Tidy.php
deleted file mode 100644
index 08aa23247..000000000
--- a/library/HTMLPurifier/HTMLModule/Tidy.php
+++ /dev/null
@@ -1,230 +0,0 @@
-<?php
-
-/**
- * Abstract class for a set of proprietary modules that clean up (tidy)
- * poorly written HTML.
- * @todo Figure out how to protect some of these methods/properties
- */
-class HTMLPurifier_HTMLModule_Tidy extends HTMLPurifier_HTMLModule
-{
-    /**
-     * List of supported levels.
-     * Index zero is a special case "no fixes" level.
-     * @type array
-     */
-    public $levels = array(0 => 'none', 'light', 'medium', 'heavy');
-
-    /**
-     * Default level to place all fixes in.
-     * Disabled by default.
-     * @type string
-     */
-    public $defaultLevel = null;
-
-    /**
-     * Lists of fixes used by getFixesForLevel().
-     * Format is:
-     *      HTMLModule_Tidy->fixesForLevel[$level] = array('fix-1', 'fix-2');
-     * @type array
-     */
-    public $fixesForLevel = array(
-        'light' => array(),
-        'medium' => array(),
-        'heavy' => array()
-    );
-
-    /**
-     * Lazy load constructs the module by determining the necessary
-     * fixes to create and then delegating to the populate() function.
-     * @param HTMLPurifier_Config $config
-     * @todo Wildcard matching and error reporting when an added or
-     *       subtracted fix has no effect.
-     */
-    public function setup($config)
-    {
-        // create fixes, initialize fixesForLevel
-        $fixes = $this->makeFixes();
-        $this->makeFixesForLevel($fixes);
-
-        // figure out which fixes to use
-        $level = $config->get('HTML.TidyLevel');
-        $fixes_lookup = $this->getFixesForLevel($level);
-
-        // get custom fix declarations: these need namespace processing
-        $add_fixes = $config->get('HTML.TidyAdd');
-        $remove_fixes = $config->get('HTML.TidyRemove');
-
-        foreach ($fixes as $name => $fix) {
-            // needs to be refactored a little to implement globbing
-            if (isset($remove_fixes[$name]) ||
-                (!isset($add_fixes[$name]) && !isset($fixes_lookup[$name]))) {
-                unset($fixes[$name]);
-            }
-        }
-
-        // populate this module with necessary fixes
-        $this->populate($fixes);
-    }
-
-    /**
-     * Retrieves all fixes per a level, returning fixes for that specific
-     * level as well as all levels below it.
-     * @param string $level level identifier, see $levels for valid values
-     * @return array Lookup up table of fixes
-     */
-    public function getFixesForLevel($level)
-    {
-        if ($level == $this->levels[0]) {
-            return array();
-        }
-        $activated_levels = array();
-        for ($i = 1, $c = count($this->levels); $i < $c; $i++) {
-            $activated_levels[] = $this->levels[$i];
-            if ($this->levels[$i] == $level) {
-                break;
-            }
-        }
-        if ($i == $c) {
-            trigger_error(
-                'Tidy level ' . htmlspecialchars($level) . ' not recognized',
-                E_USER_WARNING
-            );
-            return array();
-        }
-        $ret = array();
-        foreach ($activated_levels as $level) {
-            foreach ($this->fixesForLevel[$level] as $fix) {
-                $ret[$fix] = true;
-            }
-        }
-        return $ret;
-    }
-
-    /**
-     * Dynamically populates the $fixesForLevel member variable using
-     * the fixes array. It may be custom overloaded, used in conjunction
-     * with $defaultLevel, or not used at all.
-     * @param array $fixes
-     */
-    public function makeFixesForLevel($fixes)
-    {
-        if (!isset($this->defaultLevel)) {
-            return;
-        }
-        if (!isset($this->fixesForLevel[$this->defaultLevel])) {
-            trigger_error(
-                'Default level ' . $this->defaultLevel . ' does not exist',
-                E_USER_ERROR
-            );
-            return;
-        }
-        $this->fixesForLevel[$this->defaultLevel] = array_keys($fixes);
-    }
-
-    /**
-     * Populates the module with transforms and other special-case code
-     * based on a list of fixes passed to it
-     * @param array $fixes Lookup table of fixes to activate
-     */
-    public function populate($fixes)
-    {
-        foreach ($fixes as $name => $fix) {
-            // determine what the fix is for
-            list($type, $params) = $this->getFixType($name);
-            switch ($type) {
-                case 'attr_transform_pre':
-                case 'attr_transform_post':
-                    $attr = $params['attr'];
-                    if (isset($params['element'])) {
-                        $element = $params['element'];
-                        if (empty($this->info[$element])) {
-                            $e = $this->addBlankElement($element);
-                        } else {
-                            $e = $this->info[$element];
-                        }
-                    } else {
-                        $type = "info_$type";
-                        $e = $this;
-                    }
-                    // PHP does some weird parsing when I do
-                    // $e->$type[$attr], so I have to assign a ref.
-                    $f =& $e->$type;
-                    $f[$attr] = $fix;
-                    break;
-                case 'tag_transform':
-                    $this->info_tag_transform[$params['element']] = $fix;
-                    break;
-                case 'child':
-                case 'content_model_type':
-                    $element = $params['element'];
-                    if (empty($this->info[$element])) {
-                        $e = $this->addBlankElement($element);
-                    } else {
-                        $e = $this->info[$element];
-                    }
-                    $e->$type = $fix;
-                    break;
-                default:
-                    trigger_error("Fix type $type not supported", E_USER_ERROR);
-                    break;
-            }
-        }
-    }
-
-    /**
-     * Parses a fix name and determines what kind of fix it is, as well
-     * as other information defined by the fix
-     * @param $name String name of fix
-     * @return array(string $fix_type, array $fix_parameters)
-     * @note $fix_parameters is type dependant, see populate() for usage
-     *       of these parameters
-     */
-    public function getFixType($name)
-    {
-        // parse it
-        $property = $attr = null;
-        if (strpos($name, '#') !== false) {
-            list($name, $property) = explode('#', $name);
-        }
-        if (strpos($name, '@') !== false) {
-            list($name, $attr) = explode('@', $name);
-        }
-
-        // figure out the parameters
-        $params = array();
-        if ($name !== '') {
-            $params['element'] = $name;
-        }
-        if (!is_null($attr)) {
-            $params['attr'] = $attr;
-        }
-
-        // special case: attribute transform
-        if (!is_null($attr)) {
-            if (is_null($property)) {
-                $property = 'pre';
-            }
-            $type = 'attr_transform_' . $property;
-            return array($type, $params);
-        }
-
-        // special case: tag transform
-        if (is_null($property)) {
-            return array('tag_transform', $params);
-        }
-
-        return array($property, $params);
-
-    }
-
-    /**
-     * Defines all fixes the module will perform in a compact
-     * associative array of fix name to fix implementation.
-     * @return array
-     */
-    public function makeFixes()
-    {
-    }
-}
-
-// vim: et sw=4 sts=4