diff options
Diffstat (limited to 'library/HTMLPurifier/AttrDef/Integer.php')
-rw-r--r-- | library/HTMLPurifier/AttrDef/Integer.php | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/library/HTMLPurifier/AttrDef/Integer.php b/library/HTMLPurifier/AttrDef/Integer.php deleted file mode 100644 index 400e707d2..000000000 --- a/library/HTMLPurifier/AttrDef/Integer.php +++ /dev/null @@ -1,91 +0,0 @@ -<?php - -/** - * Validates an integer. - * @note While this class was modeled off the CSS definition, no currently - * allowed CSS uses this type. The properties that do are: widows, - * orphans, z-index, counter-increment, counter-reset. Some of the - * HTML attributes, however, find use for a non-negative version of this. - */ -class HTMLPurifier_AttrDef_Integer extends HTMLPurifier_AttrDef -{ - - /** - * Whether or not negative values are allowed. - * @type bool - */ - protected $negative = true; - - /** - * Whether or not zero is allowed. - * @type bool - */ - protected $zero = true; - - /** - * Whether or not positive values are allowed. - * @type bool - */ - protected $positive = true; - - /** - * @param $negative Bool indicating whether or not negative values are allowed - * @param $zero Bool indicating whether or not zero is allowed - * @param $positive Bool indicating whether or not positive values are allowed - */ - public function __construct($negative = true, $zero = true, $positive = true) - { - $this->negative = $negative; - $this->zero = $zero; - $this->positive = $positive; - } - - /** - * @param string $integer - * @param HTMLPurifier_Config $config - * @param HTMLPurifier_Context $context - * @return bool|string - */ - public function validate($integer, $config, $context) - { - $integer = $this->parseCDATA($integer); - if ($integer === '') { - return false; - } - - // we could possibly simply typecast it to integer, but there are - // certain fringe cases that must not return an integer. - - // clip leading sign - if ($this->negative && $integer[0] === '-') { - $digits = substr($integer, 1); - if ($digits === '0') { - $integer = '0'; - } // rm minus sign for zero - } elseif ($this->positive && $integer[0] === '+') { - $digits = $integer = substr($integer, 1); // rm unnecessary plus - } else { - $digits = $integer; - } - - // test if it's numeric - if (!ctype_digit($digits)) { - return false; - } - - // perform scope tests - if (!$this->zero && $integer == 0) { - return false; - } - if (!$this->positive && $integer > 0) { - return false; - } - if (!$this->negative && $integer < 0) { - return false; - } - - return $integer; - } -} - -// vim: et sw=4 sts=4 |