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Language Server Protocol implementation for 1C (BSL) - 1C:Enterprise 8 and OneScript languages.

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/*
 * This file is a part of BSL Language Server.
 *
 * Copyright (c) 2018-2024
 * 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.folding;

import com.github._1c_syntax.bsl.languageserver.context.DocumentContext;
import com.github._1c_syntax.bsl.parser.SDBLParser;
import com.github._1c_syntax.bsl.parser.Tokenizer;
import org.eclipse.lsp4j.FoldingRange;
import org.eclipse.lsp4j.FoldingRangeKind;
import org.springframework.stereotype.Component;

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

/**
 * Сапплаер областей сворачивания для пакетов запросов.
 */
@Component
public class QueryPackageFoldingRangeSupplier implements FoldingRangeSupplier {

  @Override
  public List getFoldingRanges(DocumentContext documentContext) {
    return documentContext.getQueries().stream()
      .map(Tokenizer::getAst)
      .map(SDBLParser.QueryPackageContext::queries)
      .flatMap(Collection::stream)
      .map(QueryPackageFoldingRangeSupplier::toFoldingRange)
      .filter(foldingRange -> foldingRange.getStartLine() != foldingRange.getEndLine())
      .collect(Collectors.toList());
  }

  private static FoldingRange toFoldingRange(SDBLParser.QueriesContext queriesContext) {
    FoldingRange foldingRange = new FoldingRange(
      queriesContext.getStart().getLine() - 1,
      queriesContext.getStop().getLine() - 1
    );
    foldingRange.setKind(FoldingRangeKind.Region);
    return foldingRange;
  }

}