1 files changed, 0 insertions, 160 deletions
diff --git a/library/HTMLPurifier/Length.php b/library/HTMLPurifier/Length.php
deleted file mode 100644
index bbfbe6624..000000000
--- a/library/HTMLPurifier/Length.php
+++ /dev/null
@@ -1,160 +0,0 @@
-<?php
-
-/**
- * Represents a measurable length, with a string numeric magnitude
- * and a unit. This object is immutable.
- */
-class HTMLPurifier_Length
-{
-
-    /**
-     * String numeric magnitude.
-     * @type string
-     */
-    protected $n;
-
-    /**
-     * String unit. False is permitted if $n = 0.
-     * @type string|bool
-     */
-    protected $unit;
-
-    /**
-     * Whether or not this length is valid. Null if not calculated yet.
-     * @type bool
-     */
-    protected $isValid;
-
-    /**
-     * Array Lookup array of units recognized by CSS 2.1
-     * @type array
-     */
-    protected static $allowedUnits = array(
-        'em' => true, 'ex' => true, 'px' => true, 'in' => true,
-        'cm' => true, 'mm' => true, 'pt' => true, 'pc' => true
-    );
-
-    /**
-     * @param string $n Magnitude
-     * @param bool|string $u Unit
-     */
-    public function __construct($n = '0', $u = false)
-    {
-        $this->n = (string) $n;
-        $this->unit = $u !== false ? (string) $u : false;
-    }
-
-    /**
-     * @param string $s Unit string, like '2em' or '3.4in'
-     * @return HTMLPurifier_Length
-     * @warning Does not perform validation.
-     */
-    public static function make($s)
-    {
-        if ($s instanceof HTMLPurifier_Length) {
-            return $s;
-        }
-        $n_length = strspn($s, '1234567890.+-');
-        $n = substr($s, 0, $n_length);
-        $unit = substr($s, $n_length);
-        if ($unit === '') {
-            $unit = false;
-        }
-        return new HTMLPurifier_Length($n, $unit);
-    }
-
-    /**
-     * Validates the number and unit.
-     * @return bool
-     */
-    protected function validate()
-    {
-        // Special case:
-        if ($this->n === '+0' || $this->n === '-0') {
-            $this->n = '0';
-        }
-        if ($this->n === '0' && $this->unit === false) {
-            return true;
-        }
-        if (!ctype_lower($this->unit)) {
-            $this->unit = strtolower($this->unit);
-        }
-        if (!isset(HTMLPurifier_Length::$allowedUnits[$this->unit])) {
-            return false;
-        }
-        // Hack:
-        $def = new HTMLPurifier_AttrDef_CSS_Number();
-        $result = $def->validate($this->n, false, false);
-        if ($result === false) {
-            return false;
-        }
-        $this->n = $result;
-        return true;
-    }
-
-    /**
-     * Returns string representation of number.
-     * @return string
-     */
-    public function toString()
-    {
-        if (!$this->isValid()) {
-            return false;
-        }
-        return $this->n . $this->unit;
-    }
-
-    /**
-     * Retrieves string numeric magnitude.
-     * @return string
-     */
-    public function getN()
-    {
-        return $this->n;
-    }
-
-    /**
-     * Retrieves string unit.
-     * @return string
-     */
-    public function getUnit()
-    {
-        return $this->unit;
-    }
-
-    /**
-     * Returns true if this length unit is valid.
-     * @return bool
-     */
-    public function isValid()
-    {
-        if ($this->isValid === null) {
-            $this->isValid = $this->validate();
-        }
-        return $this->isValid;
-    }
-
-    /**
-     * Compares two lengths, and returns 1 if greater, -1 if less and 0 if equal.
-     * @param HTMLPurifier_Length $l
-     * @return int
-     * @warning If both values are too large or small, this calculation will
-     *          not work properly
-     */
-    public function compareTo($l)
-    {
-        if ($l === false) {
-            return false;
-        }
-        if ($l->unit !== $this->unit) {
-            $converter = new HTMLPurifier_UnitConverter();
-            $l = $converter->convert($l, $this->unit);
-            if ($l === false) {
-                return false;
-            }
-        }
-        return $this->n - $l->n;
-    }
-}
-
-// vim: et sw=4 sts=4