| 1: | <?php
|
| 2: |
|
| 3: | |
| 4: | |
| 5: |
|
| 6: | class HTMLPurifier_AttrDef_CSS_Percentage extends HTMLPurifier_AttrDef
|
| 7: | {
|
| 8: |
|
| 9: | |
| 10: | |
| 11: | |
| 12: |
|
| 13: | protected $number_def;
|
| 14: |
|
| 15: | |
| 16: | |
| 17: |
|
| 18: | public function __construct($non_negative = false)
|
| 19: | {
|
| 20: | $this->number_def = new HTMLPurifier_AttrDef_CSS_Number($non_negative);
|
| 21: | }
|
| 22: |
|
| 23: | |
| 24: | |
| 25: | |
| 26: | |
| 27: | |
| 28: |
|
| 29: | public function validate($string, $config, $context)
|
| 30: | {
|
| 31: | $string = $this->parseCDATA($string);
|
| 32: |
|
| 33: | if ($string === '') {
|
| 34: | return false;
|
| 35: | }
|
| 36: | $length = strlen($string);
|
| 37: | if ($length === 1) {
|
| 38: | return false;
|
| 39: | }
|
| 40: | if ($string[$length - 1] !== '%') {
|
| 41: | return false;
|
| 42: | }
|
| 43: |
|
| 44: | $number = substr($string, 0, $length - 1);
|
| 45: | $number = $this->number_def->validate($number, $config, $context);
|
| 46: |
|
| 47: | if ($number === false) {
|
| 48: | return false;
|
| 49: | }
|
| 50: | return "$number%";
|
| 51: | }
|
| 52: | }
|
| 53: |
|
| 54: |
|
| 55: | |