1 files changed, 0 insertions, 157 deletions
diff --git a/library/HTMLPurifier/AttrDef/CSS/BackgroundPosition.php b/library/HTMLPurifier/AttrDef/CSS/BackgroundPosition.php
deleted file mode 100644
index 4580ef5a9..000000000
--- a/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