Sharp7Reactive/Sharp7.Rx/CacheVariableNameParser.cs

using System.Collections.Concurrent;
using Sharp7.Rx.Interfaces;

namespace Sharp7.Rx;

internal class CacheVariableNameParser : IS7VariableNameParser
{
    private static readonly ConcurrentDictionary<string, S7VariableAddress> addressCache = new ConcurrentDictionary<string, S7VariableAddress>(StringComparer.OrdinalIgnoreCase);

    private readonly IS7VariableNameParser inner;

    public CacheVariableNameParser(IS7VariableNameParser inner)
    {
        this.inner = inner;
    }

    public S7VariableAddress Parse(string input) => addressCache.GetOrAdd(input, inner.Parse);
}