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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.diagnostics;

import com.github._1c_syntax.bsl.languageserver.context.symbol.MethodSymbol;
import com.github._1c_syntax.bsl.languageserver.context.symbol.Symbol;
import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticMetadata;
import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticParameter;
import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticSeverity;
import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticTag;
import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticType;
import com.github._1c_syntax.bsl.parser.BSLParser;
import com.github._1c_syntax.utils.CaseInsensitivePattern;
import org.antlr.v4.runtime.tree.ParseTree;
import org.eclipse.lsp4j.SymbolKind;

import java.util.regex.Pattern;

@DiagnosticMetadata(
  type = DiagnosticType.CODE_SMELL,
  severity = DiagnosticSeverity.INFO,
  minutesToFix = 1,
  tags = {
    DiagnosticTag.STANDARD,
    DiagnosticTag.BRAINOVERLOAD,
    DiagnosticTag.BADPRACTICE
  }
)
public class PublicMethodsDescriptionDiagnostic extends AbstractVisitorDiagnostic {

  private static final Pattern API_REGION_NAME = CaseInsensitivePattern.compile(
    "^(?:ПрограммныйИнтерфейс|Public)$"
  );

  private static final boolean DEFAULT_CHECK_ALL_REGION = false;

  @DiagnosticParameter(
    type = Boolean.class,
    defaultValue = "" + DEFAULT_CHECK_ALL_REGION
  )
  private boolean checkAllRegion = DEFAULT_CHECK_ALL_REGION;

  @Override
  public ParseTree visitSub(BSLParser.SubContext ctx) {

    documentContext.getSymbolTree().getMethodSymbol(ctx).ifPresent((MethodSymbol methodSymbol) -> {
      if (methodSymbol.isExport() && methodSymbol.getDescription().isEmpty()) {
        if (checkAllRegion) {
          diagnosticStorage.addDiagnostic(methodSymbol.getSubNameRange());
        } else {
          methodSymbol.getRootParent(SymbolKind.Namespace).ifPresent((Symbol rootRegion) -> {
            if (isAPIRegion(rootRegion)) {
              diagnosticStorage.addDiagnostic(methodSymbol.getSubNameRange());
            }
          });
        }
      }
    });

    return ctx;
  }

  private static boolean isAPIRegion(Symbol symbol) {
    return API_REGION_NAME.matcher(symbol.getName()).matches();
  }
}