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libremetaverse/LibreMetaverse.LslTools/Tools/NfaNode.cs
2024-01-15 14:41:36 -06:00

71 lines
2.2 KiB
C#

/*
* 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
* 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.
*/
namespace LibreMetaverse.LslTools
{
public class NfaNode : LNode
{
public string m_sTerminal = "";
public ObjectList m_arcs = new ObjectList();
public ObjectList m_eps = new ObjectList();
public NfaNode(TokensGen tks)
: base(tks)
{
}
public void AddArc(char ch, NfaNode next)
{
this.m_arcs.Add((object) new Arc(ch, next));
}
public void AddUArc(char ch, NfaNode next)
{
this.m_arcs.Add((object) new UArc(ch, next));
}
public void AddArcEx(Regex re, NfaNode next)
{
this.m_arcs.Add((object) new ArcEx(re, next));
}
public void AddEps(NfaNode next)
{
this.m_eps.Add((object) next);
}
public void AddTarget(char ch, Dfa next)
{
foreach (var t in this.m_arcs)
{
Arc arc = (Arc) t;
if (arc.Match(ch))
next.AddNfaNode(arc.m_next);
}
}
}
}