HTMLPurifier_AttrDef_HTML_Length Class Reference

Validates the HTML type length (not to be confused with CSS's length). More...

Inheritance diagram for HTMLPurifier_AttrDef_HTML_Length:

Collaboration diagram for HTMLPurifier_AttrDef_HTML_Length:

Public Member Functions
	validate ($string, $config, $context)
Public Member Functions inherited from HTMLPurifier_AttrDef_HTML_Pixels
	__construct ($max=null)
	make ($string)
Public Member Functions inherited from HTMLPurifier_AttrDef
	parseCDATA ($string)
	Convenience method that parses a string as if it were CDATA.

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

Detailed Description

Validates the HTML type length (not to be confused with CSS's length).

This accepts integer pixels or percentages as lengths for certain HTML attributes.

Definition at line 10 of file Length.php.

Member Function Documentation

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

Parameters

string	$string
HTMLPurifier_Config	$config
HTMLPurifier_Context	$context

Returns

bool|string

Reimplemented from HTMLPurifier_AttrDef_HTML_Pixels.

Reimplemented in HTMLPurifier_AttrDef_HTML_MultiLength.

Definition at line 19 of file Length.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;
        }

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

        if (!is_numeric($points)) {
            return false;
        }

        $points = (int)$points;

        if ($points < 0) {
            return '0%';
        }
        if ($points > 100) {
            return '100%';
        }
        return ((string)$points) . '%';
    }

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

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