Upsilon/Upsilon/Evaluator/ScriptLoader.cs

using System.IO;

namespace Upsilon.Evaluator
{
    public class ScriptLoader
    {
        public virtual string FilePath { get; set; } = "./";
        public virtual string ModulesPath { get; set; } = "./modules/";

        public virtual string LoadFile(string fileName)
        {
            var resolvedName = ResolveFileName(FilePath, fileName);
            if (File.Exists(resolvedName))
            {
                return File.ReadAllText(resolvedName);
            }
            else if (File.Exists(resolvedName + ".yup"))
            {
                return File.ReadAllText(resolvedName + ".yup");
            }
            else if (File.Exists(resolvedName + ".lua"))
            {
                return File.ReadAllText(resolvedName + ".lua");
            }
            return null;
        }

        public virtual string LoadModule(string fileName)
        {
            var resolvedName = ResolveFileName(ModulesPath, fileName);
            string text = null;
            if (File.Exists(resolvedName))
            {
                text = File.ReadAllText(resolvedName);
            }
            else if (File.Exists(resolvedName + ".yup"))
            {
                text = File.ReadAllText(resolvedName + ".yup");
            }
            else if (File.Exists(resolvedName + ".lua"))
            {
                text = File.ReadAllText(resolvedName + ".lua");
            }

            return text;
        }


        public virtual string ResolveFileName(string path, string fileName)
        {
            return Path.Combine(path, fileName);
        }
    }
}