HTMLPurifier_AttrDef_CSS_AlphaValue Class Reference

Inheritance diagram for HTMLPurifier_AttrDef_CSS_AlphaValue:

Collaboration diagram for HTMLPurifier_AttrDef_CSS_AlphaValue:

Public Member Functions
	__construct ()
	validate ($number, $config, $context)
Public Member Functions inherited from HTMLPurifier_AttrDef_CSS_Number
	__construct ($non_negative=false)
	validate ($number, $config, $context)
Public Member Functions inherited from HTMLPurifier_AttrDef
	validate ($string, $config, $context)
	Validates and cleans passed string according to a definition. More...
	parseCDATA ($string)
	Convenience method that parses a string as if it were CDATA. More...
	make ($string)
	Factory method for creating this class from a string. More...

Additional Inherited Members
Data Fields inherited from HTMLPurifier_AttrDef
	$minimized = false
	Tells us whether or not an HTML attribute is minimized. More...
	$required = false
	Tells us whether or not an HTML attribute is required. More...
Protected Member Functions inherited from HTMLPurifier_AttrDef
	mungeRgb ($string)
	Removes spaces from rgb(0, 0, 0) so that shorthand CSS properties work properly. More...
	expandCSSEscape ($string)
	Parses a possibly escaped CSS string and returns the "pure" version of it. More...
Protected Attributes inherited from HTMLPurifier_AttrDef_CSS_Number
	$non_negative = false
	Indicates whether or not only positive values are allowed. More...

Detailed Description

Definition at line 3 of file AlphaValue.php.

Constructor & Destructor Documentation

__construct()

HTMLPurifier_AttrDef_CSS_AlphaValue::__construct

(

)

Definition at line 6 of file AlphaValue.php.

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

Member Function Documentation

validate()

HTMLPurifier_AttrDef_CSS_AlphaValue::validate	(		$number,
			$config,
			$context
	)

Parameters

string	$number
HTMLPurifier_Config	$config
HTMLPurifier_Context	$context

Returns

string

Reimplemented from HTMLPurifier_AttrDef_CSS_Number.

Definition at line 17 of file AlphaValue.php.

    {
        $result = parent::validate($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;
    }

References $config, $context, and $result.

---

The documentation for this class was generated from the following file:

• libs/composer/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/AlphaValue.php