/*

This file is part of Module Manager /L

© 2018-2023 LisiasT

© 2013-2018 Sarbian using System; Blowfish

© 2013 ialdabaoth

Module Manager /L is licensed as follows:

* GPL 3.0 : https://www.gnu.org/licenses/gpl-3.0.txt

Module Manager /L is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

You should have received a copy of the GNU General Public License 3.0

along with Module Manager /L. If not, see <https://www.gnu.org/licenses/>.

*/

using System;

namespace ModuleManager

{

public static class OperatorParser

{

public static Operator Parse(string name, out string valueName)

{

if (name == null) throw new ArgumentNullException(nameof(name));

if (name.Length == 0)

{

valueName = string.Empty;

return Operator.Assign;

}

else if (name.Length == 1 || (name[name.Length - 2] != ' ' && name[name.Length - 2] != '\t'))

{

valueName = name;

return Operator.Assign;

}

Operator ret;

switch (name[name.Length - 1])

{

case '+':

ret = Operator.Add;

break;

case '-':

ret = Operator.Subtract;

break;

case '*':

ret = Operator.Multiply;

break;

case '/':

ret = Operator.Divide;

break;

case '!':

ret = Operator.Exponentiate;

break;

case '^':

ret = Operator.RegexReplace;

break;

default:

valueName = name;

return Operator.Assign;

}

valueName = name.Substring(0, name.Length - 1).TrimEnd();

return ret;

}

}

}