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Copy pathOperatorParser.cs
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57 lines (48 loc) · 1.48 KB
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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;
}
}
}