ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
HTMLPurifier_AttrDef_HTML_Pixels Class Reference

Validates an integer representation of pixels according to the HTML spec. More...

+ Inheritance diagram for HTMLPurifier_AttrDef_HTML_Pixels:
+ Collaboration diagram for HTMLPurifier_AttrDef_HTML_Pixels:

Public Member Functions

 __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...
 

Protected Attributes

 $max
 @type int 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 an integer representation of pixels according to the HTML spec.

Definition at line 6 of file Pixels.php.

Constructor & Destructor Documentation

◆ __construct()

HTMLPurifier_AttrDef_HTML_Pixels::__construct (   $max = null)
Parameters
int$max

Definition at line 17 of file Pixels.php.

18 {
19 $this->max = $max;
20 }

References $max.

Member Function Documentation

◆ make()

HTMLPurifier_AttrDef_HTML_Pixels::make (   $string)
Parameters
string$string
Returns
HTMLPurifier_AttrDef

Reimplemented from HTMLPurifier_AttrDef.

Definition at line 64 of file Pixels.php.

65 {
66 if ($string === '') {
67 $max = null;
68 } else {
69 $max = (int)$string;
70 }
71 $class = get_class($this);
72 return new $class($max);
73 }

References $max.

◆ validate()

HTMLPurifier_AttrDef_HTML_Pixels::validate (   $string,
  $config,
  $context 
)
Parameters
string$string
HTMLPurifier_Config$config
HTMLPurifier_Context$context
Returns
bool|string

Reimplemented from HTMLPurifier_AttrDef.

Reimplemented in HTMLPurifier_AttrDef_HTML_Length, and HTMLPurifier_AttrDef_HTML_MultiLength.

Definition at line 28 of file Pixels.php.

29 {
30 $string = trim($string);
31 if ($string === '0') {
32 return $string;
33 }
34 if ($string === '') {
35 return false;
36 }
37 $length = strlen($string);
38 if (substr($string, $length - 2) == 'px') {
39 $string = substr($string, 0, $length - 2);
40 }
41 if (!is_numeric($string)) {
42 return false;
43 }
44 $int = (int)$string;
45
46 if ($int < 0) {
47 return '0';
48 }
49
50 // upper-bound value, extremely high values can
51 // crash operating systems, see <http://ha.ckers.org/imagecrash.html>
52 // WARNING, above link WILL crash you if you're using Windows
53
54 if ($this->max !== null && $int > $this->max) {
55 return (string)$this->max;
56 }
57 return (string)$int;
58 }

References $max.

Field Documentation

◆ $max

HTMLPurifier_AttrDef_HTML_Pixels::$max
protected

@type int

Definition at line 12 of file Pixels.php.

Referenced by __construct(), make(), and validate().


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