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Fixes #589 Refer to #589 for code to test Signed-off-by: Nikolas Komonen <[email protected]>
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105 changes: 105 additions & 0 deletions
105
...ml/extensions/contentmodel/participants/codeactions/cvc_complex_type_2_4_aCodeAction.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| package org.eclipse.lsp4xml.extensions.contentmodel.participants.codeactions; | ||
|
|
||
| import java.text.Collator; | ||
| import java.util.ArrayList; | ||
| import java.util.Collection; | ||
| import java.util.List; | ||
| import java.util.TreeSet; | ||
|
|
||
| import org.eclipse.lsp4j.CodeAction; | ||
| import org.eclipse.lsp4j.Diagnostic; | ||
| import org.eclipse.lsp4j.Range; | ||
| import org.eclipse.lsp4xml.commons.CodeActionFactory; | ||
| import org.eclipse.lsp4xml.dom.DOMDocument; | ||
| import org.eclipse.lsp4xml.dom.DOMElement; | ||
| import org.eclipse.lsp4xml.dom.DOMNode; | ||
| import org.eclipse.lsp4xml.extensions.contentmodel.model.CMElementDeclaration; | ||
| import org.eclipse.lsp4xml.extensions.contentmodel.model.ContentModelManager; | ||
| import org.eclipse.lsp4xml.services.extensions.ICodeActionParticipant; | ||
| import org.eclipse.lsp4xml.services.extensions.IComponentProvider; | ||
| import org.eclipse.lsp4xml.settings.XMLFormattingOptions; | ||
| import org.eclipse.lsp4xml.utils.LevenshteinDistance; | ||
| import org.eclipse.lsp4xml.utils.XMLPositionUtility; | ||
|
|
||
| /** | ||
| * cvc_complex_type_2_4_a | ||
| */ | ||
| public class cvc_complex_type_2_4_aCodeAction implements ICodeActionParticipant { | ||
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| private static final float MAX_DISTANCE_DIFF_RATIO = 0.4f; | ||
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| @Override | ||
| public void doCodeAction(Diagnostic diagnostic, Range range, DOMDocument document, List<CodeAction> codeActions, | ||
| XMLFormattingOptions formattingSettings, IComponentProvider componentProvider) { | ||
| try { | ||
| int offset = document.offsetAt(diagnostic.getRange().getStart()); | ||
| DOMNode node = document.findNodeAt(offset); | ||
| if (node != null && node.isElement()) { | ||
| // Get element from the diagnostic | ||
| DOMElement element = (DOMElement) node; | ||
| DOMElement parentElement = element.getParentElement(); | ||
| String tagName = element.getTagName(); | ||
|
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| // Get the XSD element declaration of the parent element. | ||
| ContentModelManager contentModelManager = componentProvider.getComponent(ContentModelManager.class); | ||
| CMElementDeclaration cmElement = contentModelManager.findCMElement(parentElement); | ||
| if (cmElement != null) { | ||
| // Collect all possible elements from the parent element upon the offset start | ||
| // of the element | ||
| Collection<CMElementDeclaration> possibleElements = cmElement.getPossibleElements(parentElement, | ||
| element.getStart()); | ||
|
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| // When added to these collections, the names will be ordered alphabetically | ||
| Collection<String> otherElementNames = new TreeSet<String>(Collator.getInstance()); | ||
| Collection<String> similarElementNames = new TreeSet<String>(Collator.getInstance()); | ||
|
|
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| // Try to collect similar names coming from tag name | ||
| for (CMElementDeclaration possibleElement : possibleElements) { | ||
| String possibleElementName = possibleElement.getName(); | ||
| if (isSimilar(possibleElementName, tagName)) { | ||
| similarElementNames.add(possibleElementName); | ||
| } | ||
| else { | ||
| otherElementNames.add(possibleElementName); | ||
| } | ||
| } | ||
|
|
||
| // Create ranges for the replace. | ||
| List<Range> ranges = new ArrayList<>(); | ||
| ranges.add(XMLPositionUtility.selectStartTag(element)); | ||
| Range end = XMLPositionUtility.selectEndTag(element); | ||
| if (end != null) { | ||
| ranges.add(end); | ||
| } | ||
|
|
||
| if (!similarElementNames.isEmpty()) { | ||
| // // Add code actions for each similar elements | ||
| for (String elementName : similarElementNames) { | ||
| CodeAction similarCodeAction = CodeActionFactory.replaceAt( | ||
| "Did you mean '" + elementName + "'?", elementName, document.getTextDocument(), | ||
| diagnostic, ranges); | ||
| codeActions.add(similarCodeAction); | ||
| } | ||
| } else { | ||
| // Add code actions for each possible elements | ||
| for (String elementName : otherElementNames) { | ||
| CodeAction otherCodeAction = CodeActionFactory.replaceAt( | ||
| "Replace with '" + elementName + "'", elementName, document.getTextDocument(), | ||
| diagnostic, ranges); | ||
| codeActions.add(otherCodeAction); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| } catch (Exception e) { | ||
| // Do nothing | ||
| } | ||
| } | ||
|
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| private static boolean isSimilar(String reference, String current) { | ||
| int threshold = Math.round(MAX_DISTANCE_DIFF_RATIO * reference.length()); | ||
| LevenshteinDistance levenshteinDistance = new LevenshteinDistance(threshold); | ||
| return levenshteinDistance.apply(reference, current) != -1; | ||
| } | ||
| } |
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