| using J2N.Text; |
| using Lucene.Net.Util; |
| using System; |
| using System.Collections.Generic; |
| using System.Globalization; |
| using System.IO; |
| using System.Text; |
| using Console = Lucene.Net.Util.SystemConsole; |
| |
| /* |
| Egothor Software License version 1.00 |
| Copyright (C) 1997-2004 Leo Galambos. |
| Copyright (C) 2002-2004 "Egothor developers" |
| on behalf of the Egothor Project. |
| All rights reserved. |
| |
| This software is copyrighted by the "Egothor developers". If this |
| license applies to a single file or document, the "Egothor developers" |
| are the people or entities mentioned as copyright holders in that file |
| or document. If this license applies to the Egothor project as a |
| whole, the copyright holders are the people or entities mentioned in |
| the file CREDITS. This file can be found in the same location as this |
| license in the distribution. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are |
| met: |
| 1. Redistributions of source code must retain the above copyright |
| notice, the list of contributors, this list of conditions, and the |
| following disclaimer. |
| 2. Redistributions in binary form must reproduce the above copyright |
| notice, the list of contributors, this list of conditions, and the |
| disclaimer that follows these conditions in the documentation |
| and/or other materials provided with the distribution. |
| 3. The name "Egothor" must not be used to endorse or promote products |
| derived from this software without prior written permission. For |
| written permission, please contact Leo.G@seznam.cz |
| 4. Products derived from this software may not be called "Egothor", |
| nor may "Egothor" appear in their name, without prior written |
| permission from Leo.G@seznam.cz. |
| |
| In addition, we request that you include in the end-user documentation |
| provided with the redistribution and/or in the software itself an |
| acknowledgement equivalent to the following: |
| "This product includes software developed by the Egothor Project. |
| http://egothor.sf.net/" |
| |
| THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| IN NO EVENT SHALL THE EGOTHOR PROJECT OR ITS CONTRIBUTORS BE LIABLE |
| FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| This software consists of voluntary contributions made by many |
| individuals on behalf of the Egothor Project and was originally |
| created by Leo Galambos (Leo.G@seznam.cz). |
| */ |
| |
| namespace Egothor.Stemmer |
| { |
| /// <summary> |
| /// The DiffIt class is a means generate patch commands from an already prepared |
| /// stemmer table. |
| /// </summary> |
| public static class DiffIt // LUCENENET specific: CA1052 Static holder types should be Static or NotInheritable |
| { |
| internal static int Get(int i, string s) |
| { |
| if (!int.TryParse(s.Substring(i, 1), NumberStyles.Integer, CultureInfo.InvariantCulture, out int result)) |
| { |
| return 1; |
| } |
| |
| return result; |
| } |
| |
| /// <summary> |
| /// Entry point to the DiffIt application. |
| /// <para> |
| /// This application takes one argument, the path to a file containing a |
| /// stemmer table. The program reads the file and generates the patch commands |
| /// for the stems. |
| /// </para> |
| /// </summary> |
| /// <param name="args">the path to a file containing a stemmer table</param> |
| public static void Main(string[] args) |
| { |
| int ins = Get(0, args[0]); |
| int del = Get(1, args[0]); |
| int rep = Get(2, args[0]); |
| int nop = Get(3, args[0]); |
| // LUCENENET specific - reformatted with : |
| string charset = SystemProperties.GetProperty("egothor:stemmer:charset", "UTF-8"); |
| var stemmerTables = new List<string>(); |
| |
| // LUCENENET specific |
| // command line argument overrides environment variable or default, if supplied |
| for (int i = 1; i < args.Length; i++) |
| { |
| if ("-e".Equals(args[i], StringComparison.Ordinal) || "--encoding".Equals(args[i], StringComparison.Ordinal)) |
| { |
| charset = args[i]; |
| } |
| else |
| { |
| stemmerTables.Add(args[i]); |
| } |
| } |
| |
| foreach (var stemmerTable in stemmerTables) |
| { |
| // System.out.println("[" + args[i] + "]"); |
| Diff diff = new Diff(ins, del, rep, nop); |
| |
| using TextReader input = new StreamReader(new FileStream(stemmerTable, FileMode.Open, FileAccess.Read), Encoding.GetEncoding(charset)); |
| string line; |
| while ((line = input.ReadLine()) != null) |
| { |
| try |
| { |
| line = line.ToLowerInvariant(); |
| StringTokenizer st = new StringTokenizer(line); |
| st.MoveNext(); |
| string stem = st.Current; |
| Console.WriteLine(stem + " -a"); |
| while (st.MoveNext()) |
| { |
| string token = st.Current; |
| if (token.Equals(stem, StringComparison.Ordinal) == false) |
| { |
| Console.WriteLine(stem + " " + diff.Exec(token, stem)); |
| } |
| } |
| } |
| catch (InvalidOperationException /*x*/) |
| { |
| // no base token (stem) on a line |
| } |
| } |
| } |
| } |
| } |
| } |