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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:39:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:39:39 +0000 |
commit | 8ca6cc32b2c789a3149861159ad258f2cb9491e3 (patch) | |
tree | 2492de6f1528dd44eaa169a5c1555026d9cb75ec /library/vendor/HTMLPurifier/AttrDef/CSS/Number.php | |
parent | Initial commit. (diff) | |
download | icingaweb2-a598b28402ead15d3701df32e198513e7b1f299c.tar.xz icingaweb2-a598b28402ead15d3701df32e198513e7b1f299c.zip |
Adding upstream version 2.11.4.upstream/2.11.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | library/vendor/HTMLPurifier/AttrDef/CSS/Number.php | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/library/vendor/HTMLPurifier/AttrDef/CSS/Number.php b/library/vendor/HTMLPurifier/AttrDef/CSS/Number.php new file mode 100644 index 0000000..ef49d20 --- /dev/null +++ b/library/vendor/HTMLPurifier/AttrDef/CSS/Number.php @@ -0,0 +1,90 @@ +<?php + +/** + * Validates a number as defined by the CSS spec. + */ +class HTMLPurifier_AttrDef_CSS_Number extends HTMLPurifier_AttrDef +{ + + /** + * Indicates whether or not only positive values are allowed. + * @type bool + */ + protected $non_negative = false; + + /** + * @param bool $non_negative indicates whether negatives are forbidden + */ + public function __construct($non_negative = false) + { + $this->non_negative = $non_negative; + } + + /** + * @param string $number + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return string|bool + * @warning Some contexts do not pass $config, $context. These + * variables should not be used without checking HTMLPurifier_Length + */ + public function validate($number, $config, $context) + { + $number = $this->parseCDATA($number); + + if ($number === '') { + return false; + } + if ($number === '0') { + return '0'; + } + + $sign = ''; + switch ($number[0]) { + case '-': + if ($this->non_negative) { + return false; + } + $sign = '-'; + case '+': + $number = substr($number, 1); + } + + if (ctype_digit($number)) { + $number = ltrim($number, '0'); + return $number ? $sign . $number : '0'; + } + + // Period is the only non-numeric character allowed + if (strpos($number, '.') === false) { + return false; + } + + list($left, $right) = explode('.', $number, 2); + + if ($left === '' && $right === '') { + return false; + } + if ($left !== '' && !ctype_digit($left)) { + return false; + } + + // Remove leading zeros until positive number or a zero stays left + if (ltrim($left, '0') != '') { + $left = ltrim($left, '0'); + } else { + $left = '0'; + } + + $right = rtrim($right, '0'); + + if ($right === '') { + return $left ? $sign . $left : '0'; + } elseif (!ctype_digit($right)) { + return false; + } + return $sign . $left . '.' . $right; + } +} + +// vim: et sw=4 sts=4 |