| 1: | <?php |
| 2: | |
| 3: | /** |
| 4: | * Abstract class of a tag token (start, end or empty), and its behavior. |
| 5: | */ |
| 6: | abstract class HTMLPurifier_Token_Tag extends HTMLPurifier_Token |
| 7: | { |
| 8: | /** |
| 9: | * Static bool marker that indicates the class is a tag. |
| 10: | * |
| 11: | * This allows us to check objects with <tt>!empty($obj->is_tag)</tt> |
| 12: | * without having to use a function call <tt>is_a()</tt>. |
| 13: | * @type bool |
| 14: | */ |
| 15: | public $is_tag = true; |
| 16: | |
| 17: | /** |
| 18: | * The lower-case name of the tag, like 'a', 'b' or 'blockquote'. |
| 19: | * |
| 20: | * @note Strictly speaking, XML tags are case sensitive, so we shouldn't |
| 21: | * be lower-casing them, but these tokens cater to HTML tags, which are |
| 22: | * insensitive. |
| 23: | * @type string |
| 24: | */ |
| 25: | public $name; |
| 26: | |
| 27: | /** |
| 28: | * Associative array of the tag's attributes. |
| 29: | * @type array |
| 30: | */ |
| 31: | public $attr = array(); |
| 32: | |
| 33: | /** |
| 34: | * Non-overloaded constructor, which lower-cases passed tag name. |
| 35: | * |
| 36: | * @param string $name String name. |
| 37: | * @param array $attr Associative array of attributes. |
| 38: | * @param int $line |
| 39: | * @param int $col |
| 40: | * @param array $armor |
| 41: | */ |
| 42: | public function __construct($name, $attr = array(), $line = null, $col = null, $armor = array()) |
| 43: | { |
| 44: | $this->name = ctype_lower($name) ? $name : strtolower($name); |
| 45: | foreach ($attr as $key => $value) { |
| 46: | // normalization only necessary when key is not lowercase |
| 47: | if (!ctype_lower($key)) { |
| 48: | $new_key = strtolower($key); |
| 49: | if (!isset($attr[$new_key])) { |
| 50: | $attr[$new_key] = $attr[$key]; |
| 51: | } |
| 52: | if ($new_key !== $key) { |
| 53: | unset($attr[$key]); |
| 54: | } |
| 55: | } |
| 56: | } |
| 57: | $this->attr = $attr; |
| 58: | $this->line = $line; |
| 59: | $this->col = $col; |
| 60: | $this->armor = $armor; |
| 61: | } |
| 62: | |
| 63: | public function toNode() { |
| 64: | return new HTMLPurifier_Node_Element($this->name, $this->attr, $this->line, $this->col, $this->armor); |
| 65: | } |
| 66: | } |
| 67: | |
| 68: | // vim: et sw=4 sts=4 |
| 69: |