| 1: | <?php |
| 2: | |
| 3: | /** |
| 4: | * Defines allowed child nodes and validates nodes against it. |
| 5: | */ |
| 6: | abstract class HTMLPurifier_ChildDef |
| 7: | { |
| 8: | /** |
| 9: | * Type of child definition, usually right-most part of class name lowercase. |
| 10: | * Used occasionally in terms of context. |
| 11: | * @type string |
| 12: | */ |
| 13: | public $type; |
| 14: | |
| 15: | /** |
| 16: | * Indicates whether or not an empty array of children is okay. |
| 17: | * |
| 18: | * This is necessary for redundant checking when changes affecting |
| 19: | * a child node may cause a parent node to now be disallowed. |
| 20: | * @type bool |
| 21: | */ |
| 22: | public $allow_empty; |
| 23: | |
| 24: | /** |
| 25: | * Lookup array of all elements that this definition could possibly allow. |
| 26: | * @type array |
| 27: | */ |
| 28: | public $elements = array(); |
| 29: | |
| 30: | /** |
| 31: | * Get lookup of tag names that should not close this element automatically. |
| 32: | * All other elements will do so. |
| 33: | * @param HTMLPurifier_Config $config HTMLPurifier_Config object |
| 34: | * @return array |
| 35: | */ |
| 36: | public function getAllowedElements($config) |
| 37: | { |
| 38: | return $this->elements; |
| 39: | } |
| 40: | |
| 41: | /** |
| 42: | * Validates nodes according to definition and returns modification. |
| 43: | * |
| 44: | * @param HTMLPurifier_Node[] $children Array of HTMLPurifier_Node |
| 45: | * @param HTMLPurifier_Config $config HTMLPurifier_Config object |
| 46: | * @param HTMLPurifier_Context $context HTMLPurifier_Context object |
| 47: | * @return bool|array true to leave nodes as is, false to remove parent node, array of replacement children |
| 48: | */ |
| 49: | abstract public function validateChildren($children, $config, $context); |
| 50: | } |
| 51: | |
| 52: | // vim: et sw=4 sts=4 |
| 53: |