HTMLPurifier_AttrDef_HTML_MultiLength Class Reference

Validates a MultiLength as defined by the HTML spec. More...

Inheritance diagram for HTMLPurifier_AttrDef_HTML_MultiLength:

Collaboration diagram for HTMLPurifier_AttrDef_HTML_MultiLength:

Public Member Functions
	validate ($string, $config, $context)
Public Member Functions inherited from HTMLPurifier_AttrDef_HTML_Length
	validate ($string, $config, $context)
Public Member Functions inherited from HTMLPurifier_AttrDef_HTML_Pixels
	__construct ($max=null)
	validate ($string, $config, $context)
	make ($string)
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_HTML_Pixels
	$max
	int More...

Detailed Description

Validates a MultiLength as defined by the HTML spec.

A multilength is either a integer (pixel count), a percentage, or a relative number.

Definition at line 9 of file MultiLength.php.

Member Function Documentation

validate()

HTMLPurifier_AttrDef_HTML_MultiLength::validate	(		$string,
			$config,
			$context
	)

Parameters

string	$string
HTMLPurifier_Config	$config
HTMLPurifier_Context	$context

Returns

bool|string

Definition at line 18 of file MultiLength.php.

    {
        $string = trim($string);
        if ($string === '') {
            return false;
        }

        $parent_result = parent::validate($string, $config, $context);
        if ($parent_result !== false) {
            return $parent_result;
        }

        $length = strlen($string);
        $last_char = $string[$length - 1];

        if ($last_char !== '*') {
            return false;
        }

        $int = substr($string, 0, $length - 1);

        if ($int == '') {
            return '*';
        }
        if (!is_numeric($int)) {
            return false;
        }

        $int = (int)$int;
        if ($int < 0) {
            return false;
        }
        if ($int == 0) {
            return '0';
        }
        if ($int == 1) {
            return '*';
        }
        return ((string)$int) . '*';
    }

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

• Services/Html/HtmlPurifier/library/HTMLPurifier/AttrDef/HTML/MultiLength.php