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• ReferencesProvider.java

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/*
 * This file is a part of BSL Language Server.
 *
 * Copyright (c) 2018-2022
 * Alexey Sosnoviy , Nikita Fedkin  and contributors
 *
 * SPDX-License-Identifier: LGPL-3.0-or-later
 *
 * BSL Language Server is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3.0 of the License, or (at your option) any later version.
 *
 * BSL Language Server is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with BSL Language Server.
 */
package com.github._1c_syntax.bsl.languageserver.providers;

import com.github._1c_syntax.bsl.languageserver.context.DocumentContext;
import com.github._1c_syntax.bsl.languageserver.references.model.Reference;
import com.github._1c_syntax.bsl.languageserver.references.ReferenceIndex;
import com.github._1c_syntax.bsl.languageserver.references.ReferenceResolver;
import lombok.RequiredArgsConstructor;
import org.eclipse.lsp4j.Location;
import org.eclipse.lsp4j.ReferenceParams;
import org.springframework.stereotype.Component;

import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

@Component
@RequiredArgsConstructor
public class ReferencesProvider {

  private final ReferenceResolver referenceResolver;
  private final ReferenceIndex referenceIndex;

  public List getReferences(DocumentContext documentContext, ReferenceParams params) {
    var position = params.getPosition();

    return referenceResolver.findReference(documentContext.getUri(), position)
      .flatMap(Reference::getSourceDefinedSymbol)
      .stream()
      .map(referenceIndex::getReferencesTo)
      .flatMap(Collection::stream)
      .map(Reference::toLocation)
      .collect(Collectors.toList());
  }
}