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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 org.antlr.v4.runtime.Token;
import org.eclipse.lsp4j.FoldingRange;
import org.eclipse.lsp4j.FoldingRangeKind;
import java.util.ArrayList;
import java.util.List;
/**
* Абстрактный сапплаер для получения областей сворачивания комментариев.
*/
public abstract class AbstractCommentFoldingRangeSupplier implements FoldingRangeSupplier {
@Override
public List getFoldingRanges(DocumentContext documentContext) {
List foldingRanges = new ArrayList<>();
List comments = getComments(documentContext);
int lastRangeStart = -1;
int previousLine = -1;
for (Token token : comments) {
int tokenLine = token.getLine();
if (tokenLine != previousLine + 1) {
if (lastRangeStart != previousLine) {
FoldingRange foldingRange = new FoldingRange(lastRangeStart - 1, previousLine - 1);
foldingRange.setKind(FoldingRangeKind.Comment);
foldingRanges.add(foldingRange);
}
// new range
lastRangeStart = tokenLine;
}
previousLine = tokenLine;
}
// add last range
if (lastRangeStart != previousLine) {
FoldingRange foldingRange = new FoldingRange(lastRangeStart - 1, previousLine - 1);
foldingRange.setKind(FoldingRangeKind.Comment);
foldingRanges.add(foldingRange);
}
return foldingRanges;
}
/**
* @param documentContext Контекст документа, для которого надо получить список комментариев
* @return Список токенов-комментариев
*/
protected abstract List getComments(DocumentContext documentContext);
}
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