public static void MathBlockHelper(TextWriter output, object root, HelperOptions options, dynamic context, object[] arguments)
{
if (arguments.Length != 3 && arguments.Length != 4)
{
throw new HandlebarsException("{{math}} helper must have exactly at least three arguments: (lvalue) op (rvalue) [digits]");
}
try
{
var op = HandlebarsUtils.IsUndefinedBindingResult(arguments[1])
? arguments[1].GetType().GetField("Value").GetValue(arguments[1])
: arguments[1]?.ToString();
if (arguments[0] is DateTime ||
arguments[0] is TimeSpan)
{
CalcWithTime(op, output, options, arguments);
}
else if (arguments[0] is Vector3)
{
CalcWithVector(op, output, options, arguments);
}
else
{
CalcWithDouble(op, output, options, arguments);
}
}
catch (Exception error)
{
throw new HandlebarsException($"{{math}} [{arguments?.Aggregate(string.Empty, (s, a) => s + $"{a}")}]:{EmpyrionScripting.ErrorFilter(error)}");
}
}
public static void CalcHelper(TextWriter output, dynamic context, object[] arguments)
{
if (arguments.Length != 3)
{
throw new HandlebarsException("{{calc}} helper must have exactly three argument: (lvalue) op (rvalue)");
}
try
{
double.TryParse(arguments[0]?.ToString(), out var left);
var op = HandlebarsUtils.IsUndefinedBindingResult(arguments[1])
? arguments[1].GetType().GetField("Value").GetValue(arguments[1])
: arguments[1]?.ToString();
double.TryParse(arguments[2]?.ToString(), out var right);
switch (op)
{
case "+": output.Write(left + right); break;
case "-": output.Write(left - right); break;
case "*": output.Write(left * right); break;
case "/": output.Write(left / right); break;
case "%": output.Write(left % right); break;
}
}
catch (Exception error)
{
throw new HandlebarsException($"{{calc}} [{arguments?.Aggregate(string.Empty, (s, a) => s + $"{a}")}]:{EmpyrionScripting.ErrorFilter(error)}");
}
}
public static void TestBlockHelper(TextWriter output, object root, HelperOptions options, dynamic context, object[] arguments)
{
if (arguments.Length != 3)
{
throw new HandlebarsException("{{test}} helper must have exactly three argument: (testvalue) 'eq'|'le'|'leq'|'ge'|'geq'|'in' (compareto)");
}
try
{
var left = arguments[0];
var op = HandlebarsUtils.IsUndefinedBindingResult(arguments[1])
? arguments[1].GetType().GetField("Value").GetValue(arguments[1])
: arguments[1]?.ToString();
var right = arguments[2];
var renderTemplate = false;
switch (op)
{
case "=":
case "==":
case "eq": renderTemplate = Compare(left, right) == 0; break;
case "<>":
case "!=":
case "neq": renderTemplate = Compare(left, right) != 0; break;
case "<":
case "le": renderTemplate = Compare(left, right) < 0; break;
case "<=":
case "leq": renderTemplate = Compare(left, right) <= 0; break;
case ">":
case "ge": renderTemplate = Compare(left, right) > 0; break;
case ">=":
case "geq": renderTemplate = Compare(left, right) >= 0; break;
case "in": renderTemplate = In(left, right); break;
}
if (renderTemplate)
{
options.Template(output, context as object);
}
else
{
options.Inverse(output, context as object);
}
}
catch (Exception error)
{
throw new HandlebarsException($"{{test}} [{arguments?.Aggregate(string.Empty, (s, a) => s + $"{a} ")}]:{EmpyrionScripting.ErrorFilter(error)}");
}
}