public static LuaValue open(LuaValue[] values)
{
LuaString file = values[0] as LuaString;
LuaString modeStr = values.Length > 1 ? values[1] as LuaString : null;
string mode = modeStr == null ? "r" : modeStr.Text;
switch (mode)
{
case "r":
case "r+":
StreamReader reader = File.OpenText(file.Text);
return(new LuaUserdata(reader, FileLib.CreateMetaTable()));
case "w":
case "w+":
StreamWriter writer = File.CreateText(file.Text);
return(new LuaUserdata(writer, FileLib.CreateMetaTable()));
case "a":
case "a+":
writer = File.AppendText(file.Text);
return(new LuaUserdata(writer, FileLib.CreateMetaTable()));
default:
throw new ArgumentException("Invalid file open mode " + mode);
}
}
public static LuaValue write(LuaValue[] values)
{
List <LuaValue> args = new List <LuaValue>(values.Length + 1);
args.Add(output(null));
args.AddRange(values);
return(FileLib.write(args.ToArray()));
}
public static LuaValue read(LuaValue[] values)
{
List <LuaValue> args = new List <LuaValue>(values.Length + 1);
args.Add(input(null));
args.AddRange(values);
return(FileLib.read(args.ToArray()));
}
public static LuaValue flush(LuaValue[] values)
{
return(FileLib.flush(new LuaValue[] { output(null) }));
}