content: /*
   * This file is a part of BSL Language Server.
   *
   * Copyright (c) 2018-2025
   * Alexey Sosnoviy <labotamy@gmail.com>, Nikita Fedkin <nixel2007@gmail.com> 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.recognizer;
  
  public abstract class AbstractDetector {
    private final double probability;
  
    public AbstractDetector(double probability) {
      if (probability < 0 || probability > 1) {
        throw new IllegalArgumentException("probability should be between [0 .. 1]");
      }
      this.probability = probability;
    }
  
    abstract int scan(String line);
  
    final double detect(String line) {
      int matchers = scan(line);
      if (matchers == 0) {
        return 0;
      }
      return 1 - Math.pow(1 - probability, matchers);
    }
  }
  