: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, 218 deletions

diff --git a/library/HTMLPurifier/Printer.php b/library/HTMLPurifier/Printer.php
deleted file mode 100644
index 549e4cea1..000000000
--- a/library/HTMLPurifier/Printer.php
+++ /dev/null
@@ -1,218 +0,0 @@
-<?php
-
-// OUT OF DATE, NEEDS UPDATING!
-// USE XMLWRITER!
-
-class HTMLPurifier_Printer
-{
-
-    /**
-     * For HTML generation convenience funcs.
-     * @type HTMLPurifier_Generator
-     */
-    protected $generator;
-
-    /**
-     * For easy access.
-     * @type HTMLPurifier_Config
-     */
-    protected $config;
-
-    /**
-     * Initialize $generator.
-     */
-    public function __construct()
-    {
-    }
-
-    /**
-     * Give generator necessary configuration if possible
-     * @param HTMLPurifier_Config $config
-     */
-    public function prepareGenerator($config)
-    {
-        $all = $config->getAll();
-        $context = new HTMLPurifier_Context();
-        $this->generator = new HTMLPurifier_Generator($config, $context);
-    }
-
-    /**
-     * Main function that renders object or aspect of that object
-     * @note Parameters vary depending on printer
-     */
-    // function render() {}
-
-    /**
-     * Returns a start tag
-     * @param string $tag Tag name
-     * @param array $attr Attribute array
-     * @return string
-     */
-    protected function start($tag, $attr = array())
-    {
-        return $this->generator->generateFromToken(
-            new HTMLPurifier_Token_Start($tag, $attr ? $attr : array())
-        );
-    }
-
-    /**
-     * Returns an end tag
-     * @param string $tag Tag name
-     * @return string
-     */
-    protected function end($tag)
-    {
-        return $this->generator->generateFromToken(
-            new HTMLPurifier_Token_End($tag)
-        );
-    }
-
-    /**
-     * Prints a complete element with content inside
-     * @param string $tag Tag name
-     * @param string $contents Element contents
-     * @param array $attr Tag attributes
-     * @param bool $escape whether or not to escape contents
-     * @return string
-     */
-    protected function element($tag, $contents, $attr = array(), $escape = true)
-    {
-        return $this->start($tag, $attr) .
-            ($escape ? $this->escape($contents) : $contents) .
-            $this->end($tag);
-    }
-
-    /**
-     * @param string $tag
-     * @param array $attr
-     * @return string
-     */
-    protected function elementEmpty($tag, $attr = array())
-    {
-        return $this->generator->generateFromToken(
-            new HTMLPurifier_Token_Empty($tag, $attr)
-        );
-    }
-
-    /**
-     * @param string $text
-     * @return string
-     */
-    protected function text($text)
-    {
-        return $this->generator->generateFromToken(
-            new HTMLPurifier_Token_Text($text)
-        );
-    }
-
-    /**
-     * Prints a simple key/value row in a table.
-     * @param string $name Key
-     * @param mixed $value Value
-     * @return string
-     */
-    protected function row($name, $value)
-    {
-        if (is_bool($value)) {
-            $value = $value ? 'On' : 'Off';
-        }
-        return
-            $this->start('tr') . "\n" .
-            $this->element('th', $name) . "\n" .
-            $this->element('td', $value) . "\n" .
-            $this->end('tr');
-    }
-
-    /**
-     * Escapes a string for HTML output.
-     * @param string $string String to escape
-     * @return string
-     */
-    protected function escape($string)
-    {
-        $string = HTMLPurifier_Encoder::cleanUTF8($string);
-        $string = htmlspecialchars($string, ENT_COMPAT, 'UTF-8');
-        return $string;
-    }
-
-    /**
-     * Takes a list of strings and turns them into a single list
-     * @param string[] $array List of strings
-     * @param bool $polite Bool whether or not to add an end before the last
-     * @return string
-     */
-    protected function listify($array, $polite = false)
-    {
-        if (empty($array)) {
-            return 'None';
-        }
-        $ret = '';
-        $i = count($array);
-        foreach ($array as $value) {
-            $i--;
-            $ret .= $value;
-            if ($i > 0 && !($polite && $i == 1)) {
-                $ret .= ', ';
-            }
-            if ($polite && $i == 1) {
-                $ret .= 'and ';
-            }
-        }
-        return $ret;
-    }
-
-    /**
-     * Retrieves the class of an object without prefixes, as well as metadata
-     * @param object $obj Object to determine class of
-     * @param string $sec_prefix Further prefix to remove
-     * @return string
-     */
-    protected function getClass($obj, $sec_prefix = '')
-    {
-        static $five = null;
-        if ($five === null) {
-            $five = version_compare(PHP_VERSION, '5', '>=');
-        }
-        $prefix = 'HTMLPurifier_' . $sec_prefix;
-        if (!$five) {
-            $prefix = strtolower($prefix);
-        }
-        $class = str_replace($prefix, '', get_class($obj));
-        $lclass = strtolower($class);
-        $class .= '(';
-        switch ($lclass) {
-            case 'enum':
-                $values = array();
-                foreach ($obj->valid_values as $value => $bool) {
-                    $values[] = $value;
-                }
-                $class .= implode(', ', $values);
-                break;
-            case 'css_composite':
-                $values = array();
-                foreach ($obj->defs as $def) {
-                    $values[] = $this->getClass($def, $sec_prefix);
-                }
-                $class .= implode(', ', $values);
-                break;
-            case 'css_multiple':
-                $class .= $this->getClass($obj->single, $sec_prefix) . ', ';
-                $class .= $obj->max;
-                break;
-            case 'css_denyelementdecorator':
-                $class .= $this->getClass($obj->def, $sec_prefix) . ', ';
-                $class .= $obj->element;
-                break;
-            case 'css_importantdecorator':
-                $class .= $this->getClass($obj->def, $sec_prefix);
-                if ($obj->allow) {
-                    $class .= ', !important';
-                }
-                break;
-        }
-        $class .= ')';
-        return $class;
-    }
-}
-
-// vim: et sw=4 sts=4