ConfusionFileIndenter.java

/* LanguageTool, a natural language style checker 
 * Copyright (C) 2017 Daniel Naber (http://www.danielnaber.de)
 * 
 * This library 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 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
 * USA
 */
package org.languagetool.dev.bigdata;

import org.apache.commons.lang3.StringUtils;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.List;

/**
 * Re-Indent confusion_set.txt files.
 */
public class ConfusionFileIndenter {

  public static void main(String[] args) throws IOException {
    if (args.length != 1) {
      System.out.println("Usage: " + ConfusionFileIndenter.class.getSimpleName() + " <file>");
      System.exit(1);
    }
    List<String> lines = Files.readAllLines(Paths.get(args[0]));
    for (String line : lines) {
      int commentPos = line.indexOf("#");
      if (commentPos <= 0) {
        System.out.println(line);
      } else {
        int endData = commentPos - 1;
        while (true) {
          if (Character.isWhitespace(line.charAt(endData))) {
            endData--;
          } else {
            break;
          }
        }
        String spaces = StringUtils.repeat(" ", 40-endData);
        System.out.println(line.substring(0, endData) + spaces + line.substring(commentPos));
      }
    }
  }

}