mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-16 02:51:50 +00:00
441 lines
12 KiB
JavaScript
441 lines
12 KiB
JavaScript
/*!
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* VisualEditor DataModel MWTransclusionNode class.
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*
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* @copyright 2011-2016 VisualEditor Team and others; see AUTHORS.txt
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* @license The MIT License (MIT); see LICENSE.txt
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*/
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/**
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* DataModel MediaWiki transclusion node.
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*
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* @class
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* @abstract
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* @extends ve.dm.LeafNode
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* @mixins ve.dm.GeneratedContentNode
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* @mixins ve.dm.FocusableNode
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* @mixins ve.dm.TableCellableNode
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*
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* @constructor
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* @param {Object} [element] Reference to element in linear model
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*/
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ve.dm.MWTransclusionNode = function VeDmMWTransclusionNode() {
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// Parent constructor
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ve.dm.LeafNode.apply( this, arguments );
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// Mixin constructors
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ve.dm.GeneratedContentNode.call( this );
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ve.dm.FocusableNode.call( this );
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ve.dm.TableCellableNode.call( this );
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// Properties
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this.partsList = null;
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// Events
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this.connect( this, { attributeChange: 'onAttributeChange' } );
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};
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/* Inheritance */
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OO.inheritClass( ve.dm.MWTransclusionNode, ve.dm.LeafNode );
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OO.mixinClass( ve.dm.MWTransclusionNode, ve.dm.GeneratedContentNode );
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OO.mixinClass( ve.dm.MWTransclusionNode, ve.dm.FocusableNode );
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OO.mixinClass( ve.dm.MWTransclusionNode, ve.dm.TableCellableNode );
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/* Static members */
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ve.dm.MWTransclusionNode.static.name = 'mwTransclusion';
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ve.dm.MWTransclusionNode.static.matchTagNames = null;
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ve.dm.MWTransclusionNode.static.matchRdfaTypes = [ 'mw:Transclusion' ];
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// Transclusion nodes can contain other types, e.g. mw:PageProp/Category.
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// Allow all other types (null) so they match to this node.
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ve.dm.MWTransclusionNode.static.allowedRdfaTypes = null;
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// HACK: This prevents any rules with higher specificity from matching,
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// e.g. LanguageAnnotation which uses a match function
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ve.dm.MWTransclusionNode.static.matchFunction = function () {
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return true;
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};
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ve.dm.MWTransclusionNode.static.enableAboutGrouping = true;
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ve.dm.MWTransclusionNode.static.getHashObject = function ( dataElement ) {
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return {
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type: dataElement.type,
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mw: dataElement.attributes.mw
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};
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};
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/**
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* Node type to use when the transclusion is inline
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*
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* @static
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* @property {string}
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* @inheritable
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*/
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ve.dm.MWTransclusionNode.static.inlineType = 'mwTransclusionInline';
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/**
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* Node type to use when the transclusion is a block
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*
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* @static
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* @property {string}
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* @inheritable
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*/
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ve.dm.MWTransclusionNode.static.blockType = 'mwTransclusionBlock';
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ve.dm.MWTransclusionNode.static.toDataElement = function ( domElements, converter ) {
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var dataElement,
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mwDataJSON = domElements[ 0 ].getAttribute( 'data-mw' ),
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mwData = mwDataJSON ? JSON.parse( mwDataJSON ) : {},
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isInline = this.isHybridInline( domElements, converter ),
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type = isInline ? this.inlineType : this.blockType;
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dataElement = {
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type: type,
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attributes: {
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mw: mwData,
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originalMw: mwDataJSON
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}
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};
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if ( domElements.length === 1 && [ 'td', 'th' ].indexOf( domElements[ 0 ].nodeName.toLowerCase() ) !== -1 ) {
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dataElement.attributes.cellable = true;
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ve.dm.TableCellableNode.static.setAttributes( dataElement.attributes, domElements );
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}
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if ( !domElements[ 0 ].getAttribute( 'data-ve-no-generated-contents' ) ) {
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this.storeGeneratedContents( dataElement, domElements, converter.getStore() );
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}
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return dataElement;
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};
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ve.dm.MWTransclusionNode.static.toDomElements = function ( dataElement, doc, converter ) {
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var els, i, len, span, index,
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store = converter.getStore(),
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originalMw = dataElement.attributes.originalMw;
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function wrapTextNode( node ) {
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var wrapper;
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if ( node.nodeType === Node.TEXT_NODE ) {
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wrapper = doc.createElement( 'span' );
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wrapper.appendChild( node );
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return wrapper;
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}
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return node;
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}
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// If the transclusion is unchanged just send back the
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// original DOM elements so selser can skip over it
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if (
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dataElement.originalDomElements &&
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originalMw && ve.compare( dataElement.attributes.mw, JSON.parse( originalMw ) )
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) {
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// originalDomElements is also used for CE rendering so return a copy
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els = ve.copyDomElements( dataElement.originalDomElements, doc );
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} else {
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if (
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converter.isForClipboard() &&
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// Use getHashObjectForRendering to get the rendering from the store
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( index = store.indexOfHash( OO.getHash( [ this.getHashObjectForRendering( dataElement ), undefined ] ) ) ) !== null
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) {
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// For the clipboard use the current DOM contents so the user has something
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// meaningful to paste into external applications
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els = ve.copyDomElements( store.value( index ), doc );
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els[ 0 ] = wrapTextNode( els[ 0 ] );
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} else if ( dataElement.originalDomElements ) {
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els = [ doc.createElement( dataElement.originalDomElements[ 0 ].nodeName ) ];
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} else {
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els = [ doc.createElement( 'span' ) ];
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}
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// All we need to send back to Parsoid is the original transclusion marker, with a
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// reconstructed data-mw property.
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els[ 0 ].setAttribute( 'typeof', 'mw:Transclusion' );
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els[ 0 ].setAttribute( 'data-mw', JSON.stringify( dataElement.attributes.mw ) );
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}
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if ( converter.isForClipboard() ) {
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// If the first element is a <link> or <meta> tag, e.g. a category, ensure it
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// is not destroyed by copy-paste by replacing it with a span
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if ( els[ 0 ].tagName === 'LINK' || els[ 0 ].tagName === 'META' ) {
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span = doc.createElement( 'span' );
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span.setAttribute( 'typeof', 'mw:Transclusion' );
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span.setAttribute( 'data-mw', els[ 0 ].getAttribute( 'data-mw' ) );
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els[ 0 ] = span;
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}
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// Empty spans can get thrown around by Chrome when pasting, so give them a space
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if ( els[ 0 ].innerHTML === '' ) {
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els[ 0 ].appendChild( doc.createTextNode( '\u00a0' ) );
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}
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// Mark the data-mw element as not having valid generated contents with it in case it is
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// inserted into another editor (e.g. via paste).
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els[ 0 ].setAttribute( 'data-ve-no-generated-contents', true );
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// ... and mark all but the first child as ignorable
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for ( i = 1, len = els.length; i < len; i++ ) {
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// Wrap plain text nodes so we can give them an attribute
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els[ i ] = wrapTextNode( els[ i ] );
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els[ i ].setAttribute( 'data-ve-ignore', 'true' );
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}
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// Resolve attributes
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ve.resolveAttributes( $( els ), doc, ve.dm.Converter.static.computedAttributes );
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}
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return els;
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};
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/**
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* Escape a template parameter. Helper function for #getWikitext.
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*
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* @static
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* @param {string} param Parameter value
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* @return {string} Escaped parameter value
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*/
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ve.dm.MWTransclusionNode.static.escapeParameter = function ( param ) {
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var match, needsNowiki,
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input = param,
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output = '',
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inNowiki = false,
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bracketStack = 0,
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linkStack = 0;
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while ( input.length > 0 ) {
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match = input.match( /(?:\[\[)|(?:\]\])|(?:\{\{)|(?:\}\})|\|+|<\/?nowiki>|<nowiki\s*\/>/ );
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if ( !match ) {
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output += input;
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break;
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}
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output += input.slice( 0, match.index );
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input = input.slice( match.index + match[ 0 ].length );
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if ( inNowiki ) {
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if ( match[ 0 ] === '</nowiki>' ) {
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inNowiki = false;
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output += match[ 0 ];
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} else {
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output += match[ 0 ];
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}
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} else {
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needsNowiki = true;
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if ( match[ 0 ] === '<nowiki>' ) {
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inNowiki = true;
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needsNowiki = false;
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} else if ( match[ 0 ] === '</nowiki>' || match[ 0 ].match( /<nowiki\s*\/>/ ) ) {
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needsNowiki = false;
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} else if ( match[ 0 ].match( /(?:\[\[)/ ) ) {
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linkStack++;
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needsNowiki = false;
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} else if ( match[ 0 ].match( /(?:\]\])/ ) ) {
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if ( linkStack > 0 ) {
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linkStack--;
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needsNowiki = false;
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}
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} else if ( match[ 0 ].match( /(?:\{\{)/ ) ) {
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bracketStack++;
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needsNowiki = false;
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} else if ( match[ 0 ].match( /(?:\}\})/ ) ) {
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if ( bracketStack > 0 ) {
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bracketStack--;
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needsNowiki = false;
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}
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} else if ( match[ 0 ].match( /\|+/ ) ) {
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if ( bracketStack > 0 || linkStack > 0 ) {
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needsNowiki = false;
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}
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}
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if ( needsNowiki ) {
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output += '<nowiki>' + match[ 0 ] + '</nowiki>';
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} else {
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output += match[ 0 ];
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}
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}
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}
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return output;
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};
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/* Methods */
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/**
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* Handle attribute change events.
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*
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* @method
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* @param {string} key Attribute key
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* @param {string} from Old value
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* @param {string} to New value
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*/
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ve.dm.MWTransclusionNode.prototype.onAttributeChange = function ( key ) {
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if ( key === 'mw' ) {
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this.partsList = null;
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}
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};
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/**
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* @inheritdoc
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*/
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ve.dm.MWTransclusionNode.prototype.isCellable = function () {
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return !!this.getAttribute( 'cellable' );
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};
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/**
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* Check if transclusion contains only a single template.
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*
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* @param {string|string[]} [templates] Names of templates to allow, omit to allow any template name
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* @return {boolean} Transclusion only contains a single template, which is one of the ones in templates
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*/
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ve.dm.MWTransclusionNode.prototype.isSingleTemplate = function ( templates ) {
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var i, len, partsList = this.getPartsList();
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function normalizeTitle( name ) {
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var title = mw.Title.newFromText( name );
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return title ? title.getPrefixedText() : name;
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}
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if ( partsList.length !== 1 ) {
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return false;
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}
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if ( templates === undefined ) {
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return true;
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}
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if ( typeof templates === 'string' ) {
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templates = [ templates ];
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}
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for ( i = 0, len = templates.length; i < len; i++ ) {
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if (
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partsList[ 0 ].template &&
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normalizeTitle( partsList[ 0 ].template ) === normalizeTitle( templates[ i ] )
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) {
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return true;
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}
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}
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return false;
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};
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/**
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* Get a simplified description of the transclusion's parts.
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*
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* @return {Object[]} List of objects with either template or content properties
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*/
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ve.dm.MWTransclusionNode.prototype.getPartsList = function () {
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var i, len, part, content;
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if ( !this.partsList ) {
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this.partsList = [];
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content = this.getAttribute( 'mw' );
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for ( i = 0, len = content.parts.length; i < len; i++ ) {
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part = content.parts[ i ];
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this.partsList.push(
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part.template ?
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{ template: part.template.target.wt } :
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{ content: part }
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);
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}
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}
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return this.partsList;
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};
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/**
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* Get the wikitext for this transclusion.
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*
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* @method
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* @return {string} Wikitext like `{{foo|1=bar|baz=quux}}`
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*/
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ve.dm.MWTransclusionNode.prototype.getWikitext = function () {
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var i, len, part, template, param,
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content = this.getAttribute( 'mw' ),
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wikitext = '';
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// Normalize to multi template format
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if ( content.params ) {
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content = { parts: [ { template: content } ] };
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}
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// Build wikitext from content
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for ( i = 0, len = content.parts.length; i < len; i++ ) {
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part = content.parts[ i ];
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if ( part.template ) {
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// Template
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template = part.template;
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wikitext += '{{' + template.target.wt;
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for ( param in template.params ) {
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wikitext += '|' + param + '=' +
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this.constructor.static.escapeParameter( template.params[ param ].wt );
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}
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wikitext += '}}';
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} else {
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// Plain wikitext
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wikitext += part;
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}
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}
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return wikitext;
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};
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/** */
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ve.dm.MWTransclusionNode.prototype.getClonedElement = function () {
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var i, len, clone = ve.dm.LeafNode.prototype.getClonedElement.call( this );
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delete clone.attributes.originalMw;
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// Remove about attribute to prevent about grouping of duplicated transclusions
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if ( clone.originalDomElements ) {
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for ( i = 0, len = clone.originalDomElements.length; i < len; i++ ) {
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clone.originalDomElements.removeAttribute( 'about' );
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}
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}
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return clone;
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};
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/* Concrete subclasses */
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/**
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* DataModel MediaWiki transclusion block node.
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*
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* @class
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* @extends ve.dm.MWTransclusionNode
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*
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* @constructor
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* @param {Object} [element] Reference to element in linear model
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*/
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ve.dm.MWTransclusionBlockNode = function VeDmMWTransclusionBlockNode() {
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// Parent constructor
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ve.dm.MWTransclusionNode.apply( this, arguments );
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};
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OO.inheritClass( ve.dm.MWTransclusionBlockNode, ve.dm.MWTransclusionNode );
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ve.dm.MWTransclusionBlockNode.static.matchTagNames = [];
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ve.dm.MWTransclusionBlockNode.static.name = 'mwTransclusionBlock';
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/**
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* DataModel MediaWiki transclusion inline node.
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*
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* @class
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* @extends ve.dm.MWTransclusionNode
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*
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* @constructor
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* @param {Object} [element] Reference to element in linear model
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*/
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ve.dm.MWTransclusionInlineNode = function VeDmMWTransclusionInlineNode() {
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// Parent constructor
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ve.dm.MWTransclusionNode.apply( this, arguments );
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};
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OO.inheritClass( ve.dm.MWTransclusionInlineNode, ve.dm.MWTransclusionNode );
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ve.dm.MWTransclusionInlineNode.static.matchTagNames = [];
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ve.dm.MWTransclusionInlineNode.static.name = 'mwTransclusionInline';
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ve.dm.MWTransclusionInlineNode.static.isContent = true;
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/* Registration */
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ve.dm.modelRegistry.register( ve.dm.MWTransclusionNode );
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ve.dm.modelRegistry.register( ve.dm.MWTransclusionBlockNode );
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ve.dm.modelRegistry.register( ve.dm.MWTransclusionInlineNode );
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