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

68 lines
2.1 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.
*/
using System.IO;
namespace LibreMetaverse.LslTools
{
internal class RePlus : Regex
{
public RePlus(Regex sub)
{
this.m_sub = sub;
}
public override void Print(TextWriter s)
{
this.m_sub.Print(s);
s.Write("+");
}
public override int Match(string str, int pos, int max)
{
int num1 = this.m_sub.Match(str, pos, max);
if (num1 < 0)
return -1;
int num2 = num1;
while (num1 > 0)
{
num1 = this.m_sub.Match(str, pos + num2, max);
if (num1 >= 0)
num2 += num1;
else
break;
}
return num2;
}
public override void Build(Nfa nfa)
{
base.Build(nfa);
nfa.m_end.AddEps((NfaNode) nfa);
}
}
}