mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/DiscussionTools
synced 2024-12-01 03:26:28 +00:00
375bfe028e
Previously, parser would output offsets that don't exist in their containers, because we were pretending that entities are parts of their neighboring text nodes. Turns out it's much easier to do it right when going backwards. Change-Id: I9bccca2d403f1a976ae517449989170cdd99721e
128 lines
4 KiB
JavaScript
128 lines
4 KiB
JavaScript
/**
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* @external CommentItem
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*/
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var utils = require( './utils.js' );
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/**
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* A thread item, either a heading or a comment
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*
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* @class ThreadItem
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* @constructor
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* @param {string} type `heading` or `comment`
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* @param {number} level Item level in the thread tree
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* @param {Object} range Object describing the extent of the comment, including the
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* signature and timestamp. It has the same properties as a Range object: `startContainer`,
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* `startOffset`, `endContainer`, `endOffset` (we don't use a real Range because they change
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* magically when the DOM structure changes).
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*/
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function ThreadItem( type, level, range ) {
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this.type = type;
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this.level = level;
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this.range = range;
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/**
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* @member {string} Unique ID (within the page) for this comment, intended to be used to
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* find this comment in other revisions of the same page
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*/
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this.id = null;
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/**
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* @member {CommentItem[]} Replies to this thread item
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*/
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this.replies = [];
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this.rootNode = null;
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}
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OO.initClass( ThreadItem );
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/**
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* Get the list of authors in the comment tree below this thread item.
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*
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* Usually called on a HeadingItem to find all authors in a thread.
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*
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* @return {string[]} Author usernames
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*/
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ThreadItem.prototype.getAuthorsBelow = function () {
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var authors = {};
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function getAuthorSet( comment ) {
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authors[ comment.author ] = true;
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// Get the set of authors in the same format from each reply
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comment.replies.map( getAuthorSet );
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}
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this.replies.map( getAuthorSet );
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return Object.keys( authors ).sort();
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};
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/**
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* Get the name of the page from which this thread item is transcluded (if any).
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*
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* @return {string|boolean} `false` if this item is not transcluded. A string if it's transcluded
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* from a single page (the page title, in text form with spaces). `true` if it's transcluded, but
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* we can't determine the source.
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*/
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ThreadItem.prototype.getTranscludedFrom = function () {
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var coveredNodes, i, node, dataMw;
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// If some template is used within the comment (e.g. {{ping|…}} or {{tl|…}}, or a
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// non-substituted signature template), that *does not* mean the comment is transcluded.
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// We only want to consider comments to be transcluded if all wrapper elements (usually
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// <li> or <p>) are marked as part of a single transclusion.
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// If we can't find "exact" wrappers, using only the end container works out well
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// (because the main purpose of this method is to decide on which page we should post
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// replies to the given comment, and they'll go after the comment).
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coveredNodes = utils.getFullyCoveredSiblings( this ) ||
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[ this.range.endContainer ];
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node = utils.getTranscludedFromElement( coveredNodes[ 0 ] );
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for ( i = 1; i < coveredNodes.length; i++ ) {
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if ( node !== utils.getTranscludedFromElement( coveredNodes[ i ] ) ) {
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// Comment is only partially transcluded, that should be fine
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return false;
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}
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}
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if ( !node ) {
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// No mw:Transclusion node found, this item is not transcluded
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return false;
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}
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dataMw = JSON.parse( node.getAttribute( 'data-mw' ) );
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// Only return a page name if this is a simple single-template transclusion.
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if (
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dataMw &&
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dataMw.parts &&
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dataMw.parts.length === 1 &&
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dataMw.parts[ 0 ].template &&
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dataMw.parts[ 0 ].template.target.href
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) {
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// Slice off the './' prefix and convert to text form (underscores to spaces, URL-decoded)
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return mw.libs.ve.normalizeParsoidResourceName( dataMw.parts[ 0 ].template.target.href );
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}
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// Multi-template transclusion, or a parser function call, or template-affected wikitext outside
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// of a template call, or a mix of the above
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return true;
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};
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/**
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* Return a native Range object corresponding to the item's range.
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*
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* @return {Range}
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*/
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ThreadItem.prototype.getNativeRange = function () {
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var
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doc = this.range.startContainer.ownerDocument,
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nativeRange = doc.createRange();
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nativeRange.setStart( this.range.startContainer, this.range.startOffset );
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nativeRange.setEnd( this.range.endContainer, this.range.endOffset );
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return nativeRange;
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};
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module.exports = ThreadItem;
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