[tt-rss.git] / lib / htmlpurifier / library / HTMLPurifier / AttrDef / CSS / AlphaValue.php

<?php

class HTMLPurifier_AttrDef_CSS_AlphaValue extends HTMLPurifier_AttrDef_CSS_Number
{

    public function __construct() {
        parent::__construct(false); // opacity is non-negative, but we will clamp it
    }

    public function validate($number, $config, $context) {
        $result = parent::validate($number, $config, $context);
        if ($result === false) return $result;
        $float = (float) $result;
        if ($float < 0.0) $result = '0';
        if ($float > 1.0) $result = '1';
        return $result;
    }

}

// vim: et sw=4 sts=4
Commit	Line	Data
f45a286b AD	1	<?php
	2
	3	class HTMLPurifier_AttrDef_CSS_AlphaValue extends HTMLPurifier_AttrDef_CSS_Number
	4	{
	5
	6	public function __construct() {
	7	parent::__construct(false); // opacity is non-negative, but we will clamp it
	8	}
	9
	10	public function validate($number, $config, $context) {
	11	$result = parent::validate($number, $config, $context);
	12	if ($result === false) return $result;
	13	$float = (float) $result;
	14	if ($float < 0.0) $result = '0';
	15	if ($float > 1.0) $result = '1';
	16	return $result;
	17	}
	18
	19	}
	20
	21	// vim: et sw=4 sts=4