24 lines
627 B
C#
24 lines
627 B
C#
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using System;
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using System.Text.RegularExpressions;
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namespace QFSW.QC.Grammar
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{
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public class BooleanNegationGrammar : IQcGrammarConstruct
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{
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private readonly Regex _negationRegex = new Regex(@"^!\S+$");
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public int Precedence => 0;
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public bool Match(string value, Type type)
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{
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return type == typeof(bool) && _negationRegex.IsMatch(value);
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}
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public object Parse(string value, Type type, Func<string, Type, object> recursiveParser)
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{
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value = value.Substring(1);
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return !(bool)recursiveParser(value, type);
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}
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}
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}
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