| 1: | <?php |
| 2: | |
| 3: | /** |
| 4: | * Pre-transform that changes proprietary background attribute to CSS. |
| 5: | */ |
| 6: | class HTMLPurifier_AttrTransform_Background extends HTMLPurifier_AttrTransform |
| 7: | { |
| 8: | /** |
| 9: | * @param array $attr |
| 10: | * @param HTMLPurifier_Config $config |
| 11: | * @param HTMLPurifier_Context $context |
| 12: | * @return array |
| 13: | */ |
| 14: | public function transform($attr, $config, $context) |
| 15: | { |
| 16: | if (!isset($attr['background'])) { |
| 17: | return $attr; |
| 18: | } |
| 19: | |
| 20: | $background = $this->confiscateAttr($attr, 'background'); |
| 21: | // some validation should happen here |
| 22: | |
| 23: | $this->prependCSS($attr, "background-image:url($background);"); |
| 24: | return $attr; |
| 25: | } |
| 26: | } |
| 27: | |
| 28: | // vim: et sw=4 sts=4 |
| 29: |