28 lines
912 B
C#
28 lines
912 B
C#
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using System;
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using System.Collections.Generic;
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namespace QFSW.QC
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{
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/// <summary>
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/// Parser for all types that are generic constructions of a single type.
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/// Caches results and reuses them if the incoming string has already been parsed.
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/// </summary>
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public abstract class GenericCachedQcParser : GenericQcParser
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{
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private readonly Dictionary<(string, Type), object> _cacheLookup = new Dictionary<(string, Type), object>();
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public override object Parse(string value, Type type, Func<string, Type, object> recursiveParser)
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{
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(string value, Type type) key = (value, type);
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if (_cacheLookup.ContainsKey(key))
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{
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return _cacheLookup[key];
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}
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object result = base.Parse(value, type, recursiveParser);
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_cacheLookup[key] = result;
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return result;
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}
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}
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}
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