113 lines
4.1 KiB
C#
113 lines
4.1 KiB
C#
//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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// file="StepDataTokenReader.cs"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the “Software”), to deal in the Software without restriction,
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// including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software,
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// and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and
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// this permission notice shall be included in all copies
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// or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED “AS IS”,
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// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH
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// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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using StgSharp.Modeling.Step;
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using StgSharp.Script;
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using StgSharp.Script.Express;
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading;
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using System.Threading.Tasks;
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namespace StgSharp.Modeling.Step
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{
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public class StepDataTokenReader : IScriptTokenReader
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{
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private ExpTokenReader _reader;
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private HashSet<string> token1Hash = [
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"T","F","UNSPECIFIED"
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];
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private Queue<Token> _cache = new Queue<Token>();
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private StepDataSectionTransmitter _transmitter;
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public StepDataTokenReader( StepDataSectionTransmitter transmitter )
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{
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_reader = new ExpTokenReader( transmitter );
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_reader.TokenReaderPreProcessor = new TokenPreReader();
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_transmitter = transmitter;
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}
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public Token ReadToken()
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{
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return _reader.ReadToken();
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}
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public bool TryReadToken( out Token t )
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{
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return _reader.TryReadToken( out t );
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}
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private class TokenPreReader : ExpTokenReaderPreProcessor
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{
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private static Regex NextEnumPattern = GetNextEnumPattern();
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public override bool Process( string codeLine, int line, ref int current, out Token t )
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{
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ReadOnlySpan<char> chars = codeLine.AsSpan( current );
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char c = chars[ 0 ];
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if( c != '.' )
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{
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t = Token.Empty;
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return false;
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}
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Match match = NextEnumPattern.Match( codeLine, current );
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if( match.Success )
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{
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int begin = match.Groups[ "begin" ].Index;
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int end = match.Groups[ "end" ].Length;
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int rest = match.Groups[ "rets" ].Length;
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current = rest;
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t = new Token( match.Groups[ "begin" ].Value, line, begin, TokenFlag.Enum );
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return true;
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} else
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{
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t = Token.Empty;
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return false;
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}
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}
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[GeneratedRegex(
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@"(?<begin>\.[A-Za-z_]+\.)(?<end>\s*)(?<rest>\S*)",
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RegexOptions.Singleline )]
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private static extern Regex GetNextEnumPattern();
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}
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}
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}
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