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author | Andreas Baumann <mail@andreasbaumann.cc> | 2019-11-17 20:45:02 +0100 |
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committer | Andreas Baumann <mail@andreasbaumann.cc> | 2019-11-17 20:45:02 +0100 |
commit | 8df3db566a3a937b45ebf11adb90d265e6f5e2d4 (patch) | |
tree | 4d541098d751d5a9acf8c12f6fb9f308ace066ac /vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Color.php | |
download | flyspray-8df3db566a3a937b45ebf11adb90d265e6f5e2d4.tar.xz |
initial checking of customized version 1.0rc9
Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Color.php')
-rw-r--r-- | vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Color.php | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Color.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Color.php new file mode 100644 index 0000000..946ebb7 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Color.php @@ -0,0 +1,51 @@ +<?php + +/** + * Validates a color according to the HTML spec. + */ +class HTMLPurifier_AttrDef_HTML_Color extends HTMLPurifier_AttrDef +{ + + /** + * @param string $string + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return bool|string + */ + public function validate($string, $config, $context) + { + static $colors = null; + if ($colors === null) { + $colors = $config->get('Core.ColorKeywords'); + } + + $string = trim($string); + + if (empty($string)) { + return false; + } + $lower = strtolower($string); + if (isset($colors[$lower])) { + return $colors[$lower]; + } + if ($string[0] === '#') { + $hex = substr($string, 1); + } else { + $hex = $string; + } + + $length = strlen($hex); + if ($length !== 3 && $length !== 6) { + return false; + } + if (!ctype_xdigit($hex)) { + return false; + } + if ($length === 3) { + $hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2]; + } + return "#$hex"; + } +} + +// vim: et sw=4 sts=4 |