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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.intellij.schema.findUsages;
import ai.vespa.intellij.schema.model.RankProfile;
import ai.vespa.intellij.schema.psi.SdRankProfileDefinition;
import ai.vespa.intellij.schema.utils.AST;
import com.intellij.openapi.application.ReadAction;
import com.intellij.openapi.progress.ProgressIndicatorProvider;
import com.intellij.psi.PsiElement;
import com.intellij.psi.search.SearchScope;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.usageView.UsageInfo;
import com.intellij.util.Processor;
import java.util.HashSet;
import java.util.Set;
/**
* Finds the definition of a function.
*
* @author bratseth
*/
public class RankProfileDefinitionFinder extends UsageFinder {
private final PsiElement referringElement;
private final String profileNameToFind;
private final Set<RankProfile> visited = new HashSet<>();
public RankProfileDefinitionFinder(PsiElement referringElement, SearchScope scope, Processor<? super UsageInfo> processor) {
super(scope, processor);
this.referringElement = referringElement;
this.profileNameToFind = ReadAction.compute(() -> referringElement.getText());
}
/** Returns true if this finder is appropriate for this task, false if others should be tried. */
public boolean findDefinition() {
RankProfile referringProfile = ReadAction.compute(() -> resolveReferringProfile());
if (referringProfile == null) return false;
findDefinitionAbove(referringProfile);
return true;
}
/**
* Returns the profile which inherits the one we're to find the definition of, or null if
* referringElement is not the name of an inherited profile.
*/
private RankProfile resolveReferringProfile() {
SdRankProfileDefinition profileDefinition = PsiTreeUtil.getParentOfType(referringElement, SdRankProfileDefinition.class);
if (profileDefinition == null) return null;
if (AST.inherits(profileDefinition).stream().noneMatch(node -> node.getText().equals(referringElement.getText()))) return null;
return resolveSchema(profileDefinition).rankProfiles().get(profileDefinition.getName());
}
private void findDefinitionAbove(RankProfile profile) {
ProgressIndicatorProvider.checkCanceled();
if ( ! visited.add(profile)) return;
ReadAction.compute(() -> findDefinitionIn(profile));
for (var parent : ReadAction.compute(() -> profile.parents().values()))
findDefinitionAbove(parent);
}
private boolean findDefinitionIn(RankProfile profile) {
if (profileNameToFind.equals(profile.name()))
processor().process(new UsageInfo(profile.definition()));
return true;
}
}
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