Validates shorthand CSS property background. More...

Inheritance diagram for HTMLPurifier_AttrDef_CSS_Background:

Collaboration diagram for HTMLPurifier_AttrDef_CSS_Background:

Public Member Functions
	__construct ($config)

	validate ($string, $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...

Protected Attributes
	$info
	Local copy of component validators. 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...

Detailed Description

Validates shorthand CSS property background.

Warning: Does not support url tokens that have internal spaces.

Definition at line 7 of file Background.php.

Constructor & Destructor Documentation

◆ __construct()

HTMLPurifier_AttrDef_CSS_Background::__construct ( $config )

Definition at line 16 of file Background.php.

                                          {
         $def = $config->getCSSDefinition();
         $this->info['background-color'] = $def->info['background-color'];
         $this->info['background-image'] = $def->info['background-image'];
         $this->info['background-repeat'] = $def->info['background-repeat'];
         $this->info['background-attachment'] = $def->info['background-attachment'];
         $this->info['background-position'] = $def->info['background-position'];
     }

Member Function Documentation

◆ validate()

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

Definition at line 25 of file Background.php.

References $r, $ret, HTMLPurifier_AttrDef\mungeRgb(), and HTMLPurifier_AttrDef\parseCDATA().

                                                          {
 
         // regular pre-processing
         $string = $this->parseCDATA($string);
         if ($string === '') return false;
 
         // munge rgb() decl if necessary
         $string = $this->mungeRgb($string);
 
         // assumes URI doesn't have spaces in it
         $bits = explode(' ', $string); // bits to process
 
         $caught = array();
         $caught['color']    = false;
         $caught['image']    = false;
         $caught['repeat']   = false;
         $caught['attachment'] = false;
         $caught['position'] = false;
 
         $i = 0; // number of catches
         $none = false;
 
         foreach ($bits as $bit) {
             if ($bit === '') continue;
             foreach ($caught as $key => $status) {
                 if ($key != 'position') {
                     if ($status !== false) continue;
                     $r = $this->info['background-' . $key]->validate($bit, $config, $context);
                 } else {
                     $r = $bit;
                 }
                 if ($r === false) continue;
                 if ($key == 'position') {
                     if ($caught[$key] === false) $caught[$key] = '';
                     $caught[$key] .= $r . ' ';
                 } else {
                     $caught[$key] = $r;
                 }
                 $i++;
                 break;
             }
         }
 
         if (!$i) return false;
         if ($caught['position'] !== false) {
             $caught['position'] = $this->info['background-position']->
                 validate($caught['position'], $config, $context);
         }
 
         $ret = array();
         foreach ($caught as $value) {
             if ($value === false) continue;
             $ret[] = $value;
         }
 
         if (empty($ret)) return false;
         return implode(' ', $ret);
 
     }

Here is the call graph for this function:

Field Documentation

◆ $info

HTMLPurifier_AttrDef_CSS_Background::$info

protected

Local copy of component validators.

Note: See HTMLPurifier_AttrDef_Font::$info for a similar impl.

Definition at line 14 of file Background.php.

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

Services/Html/HtmlPurifier/library/HTMLPurifier/AttrDef/CSS/Background.php

Public Member Functions

Protected Attributes