| /* |
| * Copyright 2016 The Bazel Authors. All rights reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.google.idea.blaze.base.lang.buildfile.completion; |
| |
| import com.google.common.collect.Maps; |
| import com.google.idea.blaze.base.lang.buildfile.psi.BuildElement; |
| import com.google.idea.blaze.base.lang.buildfile.psi.StringLiteral; |
| import com.google.idea.blaze.base.lang.buildfile.references.QuoteType; |
| import com.intellij.codeInsight.lookup.LookupElement; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiNamedElement; |
| import com.intellij.util.Processor; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| |
| /** |
| * Collects completion results, removing duplicate entries. |
| */ |
| public class CompletionResultsProcessor implements Processor<BuildElement> { |
| |
| private final Map<String, LookupElement> results = Maps.newHashMap(); |
| private final PsiElement originalElement; |
| private final QuoteType quoteType; |
| |
| public CompletionResultsProcessor(PsiElement originalElement, QuoteType quoteType) { |
| this.originalElement = originalElement; |
| this.quoteType = quoteType; |
| } |
| |
| @Override |
| public boolean process(BuildElement buildElement) { |
| if (buildElement == originalElement) { |
| return true; |
| } |
| if (buildElement instanceof StringLiteral) { |
| StringLiteral literal = (StringLiteral)buildElement; |
| results.put(literal.getStringContents(), new StringLiteralReferenceLookupElement((StringLiteral)buildElement, quoteType)); |
| } |
| else if (buildElement instanceof PsiNamedElement) { |
| PsiNamedElement namedElement = (PsiNamedElement)buildElement; |
| results.put(namedElement.getName(), new NamedBuildLookupElement((PsiNamedElement)buildElement, quoteType)); |
| } |
| return true; |
| } |
| |
| public Collection<LookupElement> getResults() { |
| return results.values(); |
| } |
| |
| } |