QueryStringHandler.cs

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using System.Runtime.CompilerServices;
 
namespace Fauna;
 
[InterpolatedStringHandler]
public ref struct QueryStringHandler
{
    private readonly List<IQueryFragment> _fragments;
 
    public QueryStringHandler(int literalLength, int formattedCount)
    {
        _fragments = new List<IQueryFragment>();
    }
 
    public void AppendLiteral(string value)
    {
        _fragments.Add(new QueryLiteral(value));
    }
 
    public void AppendFormatted(object? value)
    {
        if (value is QueryExpr expr)
        {
            _fragments.Add(expr);
        }
        else
        {
            _fragments.Add(new QueryVal(value));
        }
    }
 
    public Query Result()
    {
        return new QueryExpr(_fragments);
    }
}