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1 | <?php |
2 | /** |
3 | * @file |
4 | * @license https://opensource.org/licenses/Apache-2.0 Apache-2.0 |
5 | */ |
6 | |
7 | namespace Wikimedia\CSS\Objects; |
8 | |
9 | /** |
10 | * A base interface for "CSS objects" |
11 | * |
12 | * Each object has a position and an ability to be turned into a sequence of |
13 | * Tokens. |
14 | */ |
15 | interface CSSObject { |
16 | /** |
17 | * Get the position of this object in the input stream |
18 | * |
19 | * Position is reported as one-based line and one-based codepoint within |
20 | * the line. If no position is available, returns -1 for both line and |
21 | * position. |
22 | * |
23 | * @return array [ $line, $pos ] |
24 | */ |
25 | public function getPosition(); |
26 | |
27 | /** |
28 | * Return an array of Tokens that correspond to this object. |
29 | * @return Token[] |
30 | */ |
31 | public function toTokenArray(); |
32 | |
33 | /** |
34 | * Return an array of ComponentValues that correspond to this object. |
35 | * @warning Do not return any Tokens that aren't valid in a ComponentValueList. |
36 | * @return ComponentValue[] |
37 | */ |
38 | public function toComponentValueArray(); |
39 | } |