} // func open
/// <summary></summary>
/// <param name="args"></param>
/// <returns></returns>
public LuaResult lines(object[] args)
{
if (args == null || args.Length == 0)
{
return(defaultInput.lines(null));
}
else
{
return(Lua.GetEnumIteratorResult(new LuaLinesEnumerator(LuaFileStream.OpenFile((string)args[0], "r", defaultEncoding), true, args, 1)));
}
} // func lines
/// <summary></summary>
/// <param name="filename"></param>
/// <param name="mode"></param>
/// <returns></returns>
public LuaResult open(string filename, string mode = "r")
{
try
{
return(new LuaResult(LuaFileStream.OpenFile(filename, mode, defaultEncoding)));
}
catch (Exception e)
{
return(new LuaResult(null, e.Message));
}
} // func open
} // proc input
/// <summary></summary>
/// <param name="file"></param>
/// <returns></returns>
public LuaFile output(object file = null)
{
if (file is string)
{
defaultOutput?.close();
defaultOutput = LuaFileStream.OpenFile((string)file, "w", defaultEncoding);
return(defaultOutput);
}
else if (file is LuaFile)
{
defaultOutput?.close();
defaultOutput = (LuaFile)file;
}
return(defaultOutput);
} // proc output
} // proc close
/// <summary></summary>
/// <param name="file"></param>
/// <returns></returns>
public LuaFile input(object file = null)
{
if (file is string)
{
if (defaultInput != null)
{
defaultInput.close();
}
defaultInput = LuaFileStream.OpenFile((string)file, "r", defaultEncoding);
return(defaultInput);
}
else if (file is LuaFile)
{
if (defaultInput != null)
{
defaultInput.close();
}
defaultInput = (LuaFile)file;
}
return(defaultInput);
} // proc input
private static LuaFile InOutOpen(object file, Encoding defaultEncoding, ref LuaFile fileVar)
{
switch (file)
{
case string fileName:
fileVar?.close();
fileVar = LuaFileStream.OpenFile(fileName, "w", defaultEncoding);
break;
case LuaFile handle:
if (handle == defaultInOut.Value)
{
fileVar = null;
}
else
{
fileVar?.close();
fileVar = handle;
}
break;
}
return(fileVar ?? defaultInOut.Value);
} // func InOutOpen