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CodeLens, References, Rename support for XML references
Signed-off-by: azerr <azerr@redhat.com>
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128
.../eclipse/lemminx/extensions/references/participants/XMLReferencesCodeLensParticipant.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2023 Red Hat Inc. and others. | ||
| * All rights reserved. This program and the accompanying materials | ||
| * which accompanies this distribution, and is available at | ||
| * http://www.eclipse.org/legal/epl-v20.html | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Red Hat Inc. - initial API and implementation | ||
| *******************************************************************************/ | ||
| package org.eclipse.lemminx.extensions.references.participants; | ||
|
|
||
| import java.util.ArrayList; | ||
| import java.util.Collection; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| import org.eclipse.lemminx.client.CodeLensKind; | ||
| import org.eclipse.lemminx.dom.DOMAttr; | ||
| import org.eclipse.lemminx.dom.DOMDocument; | ||
| import org.eclipse.lemminx.dom.DOMElement; | ||
| import org.eclipse.lemminx.dom.DOMNode; | ||
| import org.eclipse.lemminx.extensions.references.XMLReferencesPlugin; | ||
| import org.eclipse.lemminx.extensions.references.search.SearchEngine; | ||
| import org.eclipse.lemminx.extensions.references.search.SearchNode; | ||
| import org.eclipse.lemminx.extensions.references.search.SearchQuery; | ||
| import org.eclipse.lemminx.extensions.references.search.SearchQuery.Direction; | ||
| import org.eclipse.lemminx.extensions.references.search.SearchQueryFactory; | ||
| import org.eclipse.lemminx.extensions.references.settings.XMLReferenceExpression; | ||
| import org.eclipse.lemminx.services.extensions.codelens.ICodeLensParticipant; | ||
| import org.eclipse.lemminx.services.extensions.codelens.ICodeLensRequest; | ||
| import org.eclipse.lemminx.services.extensions.codelens.ReferenceCommand; | ||
| import org.eclipse.lemminx.utils.XMLPositionUtility; | ||
| import org.eclipse.lsp4j.CodeLens; | ||
| import org.eclipse.lsp4j.Range; | ||
| import org.eclipse.lsp4j.jsonrpc.CancelChecker; | ||
|
|
||
| /** | ||
| * XML references codelens support. | ||
| * | ||
| */ | ||
| public class XMLReferencesCodeLensParticipant implements ICodeLensParticipant { | ||
|
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| private static class Link { | ||
|
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| public final List<SearchNode> froms; | ||
| public final List<SearchNode> tos; | ||
|
|
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| public Link() { | ||
| froms = new ArrayList<>(); | ||
| tos = new ArrayList<>(); | ||
| } | ||
|
|
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| public void addTo(SearchNode to) { | ||
| tos.add(to); | ||
| } | ||
|
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| public void addFrom(SearchNode from) { | ||
| froms.add(from); | ||
| } | ||
| } | ||
|
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| private final XMLReferencesPlugin plugin; | ||
|
|
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| public XMLReferencesCodeLensParticipant(XMLReferencesPlugin plugin) { | ||
| this.plugin = plugin; | ||
| } | ||
|
|
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| @Override | ||
| public void doCodeLens(ICodeLensRequest request, List<CodeLens> lenses, CancelChecker cancelChecker) { | ||
| DOMDocument document = request.getDocument(); | ||
| SearchQuery query = SearchQueryFactory.createQuery(document, | ||
| plugin.getReferencesSettings(), Direction.BOTH); | ||
| if (query != null) { | ||
| final Map<XMLReferenceExpression, Link> linksMap = new HashMap<>(); | ||
| SearchEngine.getInstance().search(query, | ||
| (fromSearchNode, toSearchNode, expression) -> { | ||
| Link link = linksMap.get(expression); | ||
| if (link == null) { | ||
| link = new Link(); | ||
| linksMap.put(expression, link); | ||
| } | ||
| if (fromSearchNode != null) { | ||
| link.addFrom(fromSearchNode); | ||
| } | ||
| if (toSearchNode != null) { | ||
| link.addTo(toSearchNode); | ||
| } | ||
| }, cancelChecker); | ||
| if (!linksMap.isEmpty()) { | ||
| boolean supportedByClient = request.isSupportedByClient(CodeLensKind.References); | ||
| Map<DOMElement, CodeLens> cache = new HashMap<>(); | ||
| Collection<Link> links = linksMap.values(); | ||
| for (Link link : links) { | ||
| for (SearchNode to : link.tos) { | ||
| // Increment references count Codelens for the given target element | ||
| DOMNode toNode = to.getNode(); | ||
| DOMElement toElement = toNode.isAttribute() ? ((DOMAttr) toNode).getOwnerElement() | ||
| : toNode.getParentElement(); | ||
| if (toElement != null) { | ||
| for (SearchNode from : link.froms) { | ||
| if (from.matchesValue(to)) { | ||
|
|
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| CodeLens codeLens = cache.get(toElement); | ||
| if (codeLens == null) { | ||
| Range range = XMLPositionUtility.createRange(toNode); | ||
| codeLens = new CodeLens(range); | ||
| codeLens.setCommand( | ||
| new ReferenceCommand(document.getDocumentURI(), range.getStart(), | ||
| supportedByClient)); | ||
| cache.put(toElement, codeLens); | ||
| lenses.add(codeLens); | ||
| } else { | ||
| ((ReferenceCommand) codeLens.getCommand()).increment(); | ||
| } | ||
|
|
||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| } |
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