/*
 * Copyright (c) 2019-2024, Sjofn LLC
 * All rights reserved.
 *
 * - Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 * - Neither the name of the openmetaverse.co nor the names
 *   of its contributors may be used to endorse or promote products derived from
 *   this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS 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 COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 */

using System.IO;

namespace LibreMetaverse.LslTools
{
  internal class ReCategory : Regex
  {
    private string m_str;
    private ChTest m_test;

    public ReCategory(TokensGen tks, string str)
    {
      this.m_str = str;
      this.m_test = tks.m_tokens.GetTest(str);
    }

    public override bool Match(char ch)
    {
      return this.m_test(ch);
    }

    public override void Print(TextWriter s)
    {
      s.WriteLine("{" + this.m_str + "}");
    }

    public override void Build(Nfa nfa)
    {
      nfa.AddArcEx((Regex) this, nfa.m_end);
    }
  }
}