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42 files changed, 0 insertions, 3156 deletions

diff --git a/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS.php b/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS.php
deleted file mode 100644
index 02c1641fb..000000000
--- a/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS.php
+++ /dev/null
@@ -1,106 +0,0 @@
-<?php
-
-/**
- * Validates the HTML attribute style, otherwise known as CSS.
- * @note We don't implement the whole CSS specification, so it might be
- *       difficult to reuse this component in the context of validating
- *       actual stylesheet declarations.
- * @note If we were really serious about validating the CSS, we would
- *       tokenize the styles and then parse the tokens. Obviously, we
- *       are not doing that. Doing that could seriously harm performance,
- *       but would make these components a lot more viable for a CSS
- *       filtering solution.
- */
-class HTMLPurifier_AttrDef_CSS extends HTMLPurifier_AttrDef
-{
-
-    /**
-     * @param string $css
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return bool|string
-     */
-    public function validate($css, $config, $context)
-    {
-        $css = $this->parseCDATA($css);
-
-        $definition = $config->getCSSDefinition();
-
-        // we're going to break the spec and explode by semicolons.
-        // This is because semicolon rarely appears in escaped form
-        // Doing this is generally flaky but fast
-        // IT MIGHT APPEAR IN URIs, see HTMLPurifier_AttrDef_CSSURI
-        // for details
-
-        $declarations = explode(';', $css);
-        $propvalues = array();
-
-        /**
-         * Name of the current CSS property being validated.
-         */
-        $property = false;
-        $context->register('CurrentCSSProperty', $property);
-
-        foreach ($declarations as $declaration) {
-            if (!$declaration) {
-                continue;
-            }
-            if (!strpos($declaration, ':')) {
-                continue;
-            }
-            list($property, $value) = explode(':', $declaration, 2);
-            $property = trim($property);
-            $value = trim($value);
-            $ok = false;
-            do {
-                if (isset($definition->info[$property])) {
-                    $ok = true;
-                    break;
-                }
-                if (ctype_lower($property)) {
-                    break;
-                }
-                $property = strtolower($property);
-                if (isset($definition->info[$property])) {
-                    $ok = true;
-                    break;
-                }
-            } while (0);
-            if (!$ok) {
-                continue;
-            }
-            // inefficient call, since the validator will do this again
-            if (strtolower(trim($value)) !== 'inherit') {
-                // inherit works for everything (but only on the base property)
-                $result = $definition->info[$property]->validate(
-                    $value,
-                    $config,
-                    $context
-                );
-            } else {
-                $result = 'inherit';
-            }
-            if ($result === false) {
-                continue;
-            }
-            $propvalues[$property] = $result;
-        }
-
-        $context->destroy('CurrentCSSProperty');
-
-        // procedure does not write the new CSS simultaneously, so it's
-        // slightly inefficient, but it's the only way of getting rid of
-        // duplicates. Perhaps config to optimize it, but not now.
-
-        $new_declarations = '';
-        foreach ($propvalues as $prop => $value) {
-            $new_declarations .= "$prop:$value;";
-        }
-
-        return $new_declarations ? $new_declarations : false;
-
-    }
-
-}
-
-// vim: et sw=4 sts=4
diff --git a/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/AlphaValue.php b/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/AlphaValue.php
deleted file mode 100644
index af2b83dff..000000000
--- a/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/AlphaValue.php
+++ /dev/null
@@ -1,34 +0,0 @@
-<?php
-
-class HTMLPurifier_AttrDef_CSS_AlphaValue extends HTMLPurifier_AttrDef_CSS_Number
-{
-
-    public function __construct()
-    {
-        parent::__construct(false); // opacity is non-negative, but we will clamp it
-    }
-
-    /**
-     * @param string $number
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return string
-     */
-    public function validate($number, $config, $context)
-    {
-        $result = parent::validate($number, $config, $context);
-        if ($result === false) {
-            return $result;
-        }
-        $float = (float)$result;
-        if ($float < 0.0) {
-            $result = '0';
-        }
-        if ($float > 1.0) {
-            $result = '1';
-        }
-        return $result;
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Background.php b/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Background.php
deleted file mode 100644
index 7f1ea3b0f..000000000
--- a/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Background.php
+++ /dev/null
@@ -1,111 +0,0 @@
-<?php
-
-/**
- * Validates shorthand CSS property background.
- * @warning Does not support url tokens that have internal spaces.
- */
-class HTMLPurifier_AttrDef_CSS_Background extends HTMLPurifier_AttrDef
-{
-
-    /**
-     * Local copy of component validators.
-     * @type HTMLPurifier_AttrDef[]
-     * @note See HTMLPurifier_AttrDef_Font::$info for a similar impl.
-     */
-    protected $info;
-
-    /**
-     * @param HTMLPurifier_Config $config
-     */
-    public function __construct($config)
-    {
-        $def = $config->getCSSDefinition();
-        $this->info['background-color'] = $def->info['background-color'];
-        $this->info['background-image'] = $def->info['background-image'];
-        $this->info['background-repeat'] = $def->info['background-repeat'];
-        $this->info['background-attachment'] = $def->info['background-attachment'];
-        $this->info['background-position'] = $def->info['background-position'];
-    }
-
-    /**
-     * @param string $string
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return bool|string
-     */
-    public function validate($string, $config, $context)
-    {
-        // regular pre-processing
-        $string = $this->parseCDATA($string);
-        if ($string === '') {
-            return false;
-        }
-
-        // munge rgb() decl if necessary
-        $string = $this->mungeRgb($string);
-
-        // assumes URI doesn't have spaces in it
-        $bits = explode(' ', $string); // bits to process
-
-        $caught = array();
-        $caught['color'] = false;
-        $caught['image'] = false;
-        $caught['repeat'] = false;
-        $caught['attachment'] = false;
-        $caught['position'] = false;
-
-        $i = 0; // number of catches
-
-        foreach ($bits as $bit) {
-            if ($bit === '') {
-                continue;
-            }
-            foreach ($caught as $key => $status) {
-                if ($key != 'position') {
-                    if ($status !== false) {
-                        continue;
-                    }
-                    $r = $this->info['background-' . $key]->validate($bit, $config, $context);
-                } else {
-                    $r = $bit;
-                }
-                if ($r === false) {
-                    continue;
-                }
-                if ($key == 'position') {
-                    if ($caught[$key] === false) {
-                        $caught[$key] = '';
-                    }
-                    $caught[$key] .= $r . ' ';
-                } else {
-                    $caught[$key] = $r;
-                }
-                $i++;
-                break;
-            }
-        }
-
-        if (!$i) {
-            return false;
-        }
-        if ($caught['position'] !== false) {
-            $caught['position'] = $this->info['background-position']->
-                validate($caught['position'], $config, $context);
-        }
-
-        $ret = array();
-        foreach ($caught as $value) {
-            if ($value === false) {
-                continue;
-            }
-            $ret[] = $value;
-        }
-
-        if (empty($ret)) {
-            return false;
-        }
-        return implode(' ', $ret);
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/BackgroundPosition.php b/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/BackgroundPosition.php
deleted file mode 100644
index 4580ef5a9..000000000
--- a/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/BackgroundPosition.php
+++ /dev/null
@@ -1,157 +0,0 @@
-<?php
-
-/* W3C says:
-    [ // adjective and number must be in correct order, even if
-      // you could switch them without introducing ambiguity.
-      // some browsers support that syntax
-        [
-            <percentage> | <length> | left | center | right
-        ]
-        [
-            <percentage> | <length> | top | center | bottom
-        ]?
-    ] |
-    [ // this signifies that the vertical and horizontal adjectives
-      // can be arbitrarily ordered, however, there can only be two,
-      // one of each, or none at all
-        [
-            left | center | right
-        ] ||
-        [
-            top | center | bottom
-        ]
-    ]
-    top, left = 0%
-    center, (none) = 50%
-    bottom, right = 100%
-*/
-
-/* QuirksMode says:
-    keyword + length/percentage must be ordered correctly, as per W3C
-
-    Internet Explorer and Opera, however, support arbitrary ordering. We
-    should fix it up.
-
-    Minor issue though, not strictly necessary.
-*/
-
-// control freaks may appreciate the ability to convert these to
-// percentages or something, but it's not necessary
-
-/**
- * Validates the value of background-position.
- */
-class HTMLPurifier_AttrDef_CSS_BackgroundPosition extends HTMLPurifier_AttrDef
-{
-
-    /**
-     * @type HTMLPurifier_AttrDef_CSS_Length
-     */
-    protected $length;
-
-    /**
-     * @type HTMLPurifier_AttrDef_CSS_Percentage
-     */
-    protected $percentage;
-
-    public function __construct()
-    {
-        $this->length = new HTMLPurifier_AttrDef_CSS_Length();
-        $this->percentage = new HTMLPurifier_AttrDef_CSS_Percentage();
-    }
-
-    /**
-     * @param string $string
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return bool|string
-     */
-    public function validate($string, $config, $context)
-    {
-        $string = $this->parseCDATA($string);
-        $bits = explode(' ', $string);
-
-        $keywords = array();
-        $keywords['h'] = false; // left, right
-        $keywords['v'] = false; // top, bottom
-        $keywords['ch'] = false; // center (first word)
-        $keywords['cv'] = false; // center (second word)
-        $measures = array();
-
-        $i = 0;
-
-        $lookup = array(
-            'top' => 'v',
-            'bottom' => 'v',
-            'left' => 'h',
-            'right' => 'h',
-            'center' => 'c'
-        );
-
-        foreach ($bits as $bit) {
-            if ($bit === '') {
-                continue;
-            }
-
-            // test for keyword
-            $lbit = ctype_lower($bit) ? $bit : strtolower($bit);
-            if (isset($lookup[$lbit])) {
-                $status = $lookup[$lbit];
-                if ($status == 'c') {
-                    if ($i == 0) {
-                        $status = 'ch';
-                    } else {
-                        $status = 'cv';
-                    }
-                }
-                $keywords[$status] = $lbit;
-                $i++;
-            }
-
-            // test for length
-            $r = $this->length->validate($bit, $config, $context);
-            if ($r !== false) {
-                $measures[] = $r;
-                $i++;
-            }
-
-            // test for percentage
-            $r = $this->percentage->validate($bit, $config, $context);
-            if ($r !== false) {
-                $measures[] = $r;
-                $i++;
-            }
-        }
-
-        if (!$i) {
-            return false;
-        } // no valid values were caught
-
-        $ret = array();
-
-        // first keyword
-        if ($keywords['h']) {
-            $ret[] = $keywords['h'];
-        } elseif ($keywords['ch']) {
-            $ret[] = $keywords['ch'];
-            $keywords['cv'] = false; // prevent re-use: center = center center
-        } elseif (count($measures)) {
-            $ret[] = array_shift($measures);
-        }
-
-        if ($keywords['v']) {
-            $ret[] = $keywords['v'];
-        } elseif ($keywords['cv']) {
-            $ret[] = $keywords['cv'];
-        } elseif (count($measures)) {
-            $ret[] = array_shift($measures);
-        }
-
-        if (empty($ret)) {
-            return false;
-        }
-        return implode(' ', $ret);
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Border.php b/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Border.php
deleted file mode 100644
index 16243ba1e..000000000
--- a/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Border.php
+++ /dev/null
@@ -1,56 +0,0 @@
-<?php
-
-/**
- * Validates the border property as defined by CSS.
- */
-class HTMLPurifier_AttrDef_CSS_Border extends HTMLPurifier_AttrDef
-{
-
-    /**
-     * Local copy of properties this property is shorthand for.
-     * @type HTMLPurifier_AttrDef[]
-     */
-    protected $info = array();
-
-    /**
-     * @param HTMLPurifier_Config $config
-     */
-    public function __construct($config)
-    {
-        $def = $config->getCSSDefinition();
-        $this->info['border-width'] = $def->info['border-width'];
-        $this->info['border-style'] = $def->info['border-style'];
-        $this->info['border-top-color'] = $def->info['border-top-color'];
-    }
-
-    /**
-     * @param string $string
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return bool|string
-     */
-    public function validate($string, $config, $context)
-    {
-        $string = $this->parseCDATA($string);
-        $string = $this->mungeRgb($string);
-        $bits = explode(' ', $string);
-        $done = array(); // segments we've finished
-        $ret = ''; // return value
-        foreach ($bits as $bit) {
-            foreach ($this->info as $propname => $validator) {
-                if (isset($done[$propname])) {
-                    continue;
-                }
-                $r = $validator->validate($bit, $config, $context);
-                if ($r !== false) {
-                    $ret .= $r . ' ';
-                    $done[$propname] = true;
-                    break;
-                }
-            }
-        }
-        return rtrim($ret);
-    }
-}
-
-// vim: et sw=4 sts=4
diff --git a/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Color.php b/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Color.php
deleted file mode 100644
index 16d2a6b98..000000000
--- a/3rdparty/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Color.php
+++ /dev/null
@@ -1,105 +0,0 @@
-<?php
-
-/**
- * Validates Color as defined by CSS.
- */
-class HTMLPurifier_AttrDef_CSS_Color extends HTMLPurifier_AttrDef
-{
-
-    /**
-     * @param string $color
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return bool|string
-     */
-    public function validate($color, $config, $context)
-    {
-        static $colors = null;
-        if ($colors === null) {
-            $colors = $config->get('Core.ColorKeywords');
-        }
-
-        $color = trim($color);
-        if ($color === '') {
-            return false;
-        }
-
-        $lower = strtolower($color);
-        if (isset($colors[$lower])) {
-            return $colors[$lower];
-        }
-
-        if (strpos($color, 'rgb(') !== false) {
-            // rgb literal handling
-            $length = strlen($color);
-            if (strpos($color, ')') !== $length - 1) {
-                return false;
-            }
-            $triad = substr($color, 4, $length - 4 - 1);
-            $parts = explode(',', $triad);
-            if (count($parts) !== 3) {
-                return false;
-            }
-            $type = false; // to ensure that they're all the same type
-            $new_parts = array();
-            foreach ($parts as $part) {
-                $part = tri