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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\DiscussionTools; |
| 4 | |
| 5 | use MediaWiki\Extension\DiscussionTools\ThreadItem\CommentItem; |
| 6 | use MediaWiki\Extension\DiscussionTools\ThreadItem\HeadingItem; |
| 7 | use MediaWiki\Extension\DiscussionTools\ThreadItem\ThreadItem; |
| 8 | |
| 9 | /** |
| 10 | * Groups thread items (headings and comments) generated by parsing a discussion page. |
| 11 | */ |
| 12 | interface ThreadItemSet { |
| 13 | /** |
| 14 | * @param ThreadItem $item |
| 15 | * @internal Only used by CommentParser |
| 16 | */ |
| 17 | public function addThreadItem( ThreadItem $item ); |
| 18 | |
| 19 | /** |
| 20 | * @internal Only used by CommentParser |
| 21 | */ |
| 22 | public function isEmpty(): bool; |
| 23 | |
| 24 | /** |
| 25 | * @param ThreadItem $item |
| 26 | * @internal Only used by CommentParser |
| 27 | */ |
| 28 | public function updateIdAndNameMaps( ThreadItem $item ); |
| 29 | |
| 30 | /** |
| 31 | * Get all discussion comments (and headings) within a DOM subtree. |
| 32 | * |
| 33 | * This returns a flat list, use getThreads() to get a tree structure starting at section headings. |
| 34 | * |
| 35 | * For example, for a MediaWiki discussion like this (we're dealing with HTML DOM here, |
| 36 | * the wikitext syntax is just for illustration): |
| 37 | * |
| 38 | * == A == |
| 39 | * B. ~~~~ |
| 40 | * : C. |
| 41 | * : C. ~~~~ |
| 42 | * :: D. ~~~~ |
| 43 | * ::: E. ~~~~ |
| 44 | * ::: F. ~~~~ |
| 45 | * : G. ~~~~ |
| 46 | * H. ~~~~ |
| 47 | * : I. ~~~~ |
| 48 | * |
| 49 | * This function would return a structure like: |
| 50 | * |
| 51 | * [ |
| 52 | * HeadingItem( { level: 0, range: (h2: A) } ), |
| 53 | * CommentItem( { level: 1, range: (p: B) } ), |
| 54 | * CommentItem( { level: 2, range: (li: C, li: C) } ), |
| 55 | * CommentItem( { level: 3, range: (li: D) } ), |
| 56 | * CommentItem( { level: 4, range: (li: E) } ), |
| 57 | * CommentItem( { level: 4, range: (li: F) } ), |
| 58 | * CommentItem( { level: 2, range: (li: G) } ), |
| 59 | * CommentItem( { level: 1, range: (p: H) } ), |
| 60 | * CommentItem( { level: 2, range: (li: I) } ) |
| 61 | * ] |
| 62 | * |
| 63 | * @return ThreadItem[] Thread items |
| 64 | */ |
| 65 | public function getThreadItems(): array; |
| 66 | |
| 67 | /** |
| 68 | * Same as getFlatThreadItems, but only returns the CommentItems |
| 69 | * |
| 70 | * @return CommentItem[] Comment items |
| 71 | */ |
| 72 | public function getCommentItems(): array; |
| 73 | |
| 74 | /** |
| 75 | * Find ThreadItems by their name |
| 76 | * |
| 77 | * This will usually return a single-element array, but it may return multiple comments if they're |
| 78 | * indistinguishable by name. In that case, use their IDs to disambiguate. |
| 79 | * |
| 80 | * @param string $name Name |
| 81 | * @return ThreadItem[] Thread items, empty array if not found |
| 82 | */ |
| 83 | public function findCommentsByName( string $name ): array; |
| 84 | |
| 85 | /** |
| 86 | * Find a ThreadItem by its ID |
| 87 | * |
| 88 | * @param string $id ID |
| 89 | * @return ThreadItem|null Thread item, null if not found |
| 90 | */ |
| 91 | public function findCommentById( string $id ): ?ThreadItem; |
| 92 | |
| 93 | /** |
| 94 | * Group discussion comments into threads and associate replies to original messages. |
| 95 | * |
| 96 | * Each thread must begin with a heading. Original messages in the thread are treated as replies to |
| 97 | * its heading. Other replies are associated based on the order and indentation level. |
| 98 | * |
| 99 | * WARNING: Sub-headings are included twice in this tree, once as the child item of the |
| 100 | * "parent" heading, and once again in the root object. |
| 101 | * |
| 102 | * Note that the objects in `comments` are extended in-place with the additional data. |
| 103 | * |
| 104 | * For example, for a MediaWiki discussion like this (we're dealing with HTML DOM here, |
| 105 | * the wikitext syntax is just for illustration): |
| 106 | * |
| 107 | * == A == |
| 108 | * B. ~~~~ |
| 109 | * : C. |
| 110 | * : C. ~~~~ |
| 111 | * :: D. ~~~~ |
| 112 | * ::: E. ~~~~ |
| 113 | * ::: F. ~~~~ |
| 114 | * : G. ~~~~ |
| 115 | * H. ~~~~ |
| 116 | * : I. ~~~~ |
| 117 | * |
| 118 | * This function would return a structure like: |
| 119 | * |
| 120 | * [ |
| 121 | * HeadingItem( { level: 0, range: (h2: A), replies: [ |
| 122 | * CommentItem( { level: 1, range: (p: B), replies: [ |
| 123 | * CommentItem( { level: 2, range: (li: C, li: C), replies: [ |
| 124 | * CommentItem( { level: 3, range: (li: D), replies: [ |
| 125 | * CommentItem( { level: 4, range: (li: E), replies: [] } ), |
| 126 | * CommentItem( { level: 4, range: (li: F), replies: [] } ), |
| 127 | * ] } ), |
| 128 | * ] } ), |
| 129 | * CommentItem( { level: 2, range: (li: G), replies: [] } ), |
| 130 | * ] } ), |
| 131 | * CommentItem( { level: 1, range: (p: H), replies: [ |
| 132 | * CommentItem( { level: 2, range: (li: I), replies: [] } ), |
| 133 | * ] } ), |
| 134 | * ] } ) |
| 135 | * ] |
| 136 | * |
| 137 | * @return HeadingItem[] Tree structure of comments, top-level items are the headings. |
| 138 | */ |
| 139 | public function getThreads(): array; |
| 140 | |
| 141 | /** |
| 142 | * Same as #getThreads, but without the duplicate sub-headings described in the |
| 143 | * documentation of that method. |
| 144 | * |
| 145 | * @return HeadingItem[] Tree structure of comments, top-level items are the headings. |
| 146 | */ |
| 147 | public function getThreadsStructured(): array; |
| 148 | } |