Ryujinx.Common/Logging/Formatters/DefaultLogFormatter.cs


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using System.Reflection;
using System.Text;

namespace Ryujinx.Common.Logging
{
    internal class DefaultLogFormatter : ILogFormatter
    {
        private static readonly ObjectPool<StringBuilder> _stringBuilderPool = SharedPools.Default<StringBuilder>();

        public string Format(LogEventArgs args)
        {
            StringBuilder sb = _stringBuilderPool.Allocate();

            try
            {
                sb.Clear();

                sb.AppendFormat(@"{0:hh\:mm\:ss\.fff}", args.Time);
                sb.Append(" | ");
                sb.AppendFormat("{0:d4}", args.ThreadId);
                sb.Append(' ');
                sb.Append(args.Message);

                if (args.Data != null)
                {
                    PropertyInfo[] props = args.Data.GetType().GetProperties();

                    sb.Append(' ');

                    foreach (var prop in props)
                    {
                        sb.Append(prop.Name);
                        sb.Append(": ");
                        sb.Append(prop.GetValue(args.Data));
                        sb.Append(" - ");
                    }

                    // We remove the final '-' from the string
                    if (props.Length > 0)
                    {
                        sb.Remove(sb.Length - 3, 3);
                    }
                }

                return sb.ToString();
            }
            finally
            {
                _stringBuilderPool.Release(sb);
            }
        }
    }
}