public void Parse_AllFunctions()
{
string[] functions =
{
"abs", "sqrt", "exp", "ln", "log",
"sin", "cos", "tan",
"asin", "acos", "atan",
"sinh", "cosh", "tanh",
"round", "floor", "ceil"
};
string input = "";
for (int i = 0; i < functions.Length; i++)
{
if (i > 0)
{
input += " + ";
}
input += functions[i] + "(x)";
}
ArithmeticExpression ae = ArithmeticExpression.Parse(input);
Assert.IsNotNull(ae);
for (int i = 0; i < functions.Length; i++)
{
Assert.IsTrue(ae.IsCallbackUsed("operator_" + functions[i]));
}
Assert.IsFalse(ae.IsCallbackUsed("unknown"));
}
public void Parse_AllOperators()
{
ArithmeticExpression ae = ArithmeticExpression.Parse("0 + 1 - (2 * (3 / 4)) ^ (5 % 6)");
Assert.IsNotNull(ae);
Assert.IsTrue(ae.IsCallbackUsed("operator_add"));
Assert.IsTrue(ae.IsCallbackUsed("operator_subtract"));
Assert.IsTrue(ae.IsCallbackUsed("operator_multiply"));
Assert.IsTrue(ae.IsCallbackUsed("operator_divide"));
Assert.IsTrue(ae.IsCallbackUsed("operator_pow"));
Assert.IsTrue(ae.IsCallbackUsed("operator_remainder"));
Assert.IsFalse(ae.IsCallbackUsed("unknown"));
}
/// <summary>
/// Checks missing callbacks for given arithmetic expression
/// </summary>
/// <param name="item">Item to check</param>
/// <param name="text">String builder to append warings to</param>
private void CheckCallbacks(ListView.Item item, StringBuilder text)
{
if (item?.OperatorCallbacks == null)
{
return;
}
ArithmeticExpression ae = item.NumericValueSource as ArithmeticExpression;
if (ae == null)
{
return;
}
bool isFirst = true;
bool iconAppended = false;
string[] missingCallbacks = null;
NativeOperatorCallbacks callbacks = item.OperatorCallbacks as NativeOperatorCallbacks;
if (callbacks != null)
{
missingCallbacks = callbacks.MissingCallbacks;
if (missingCallbacks.Length == 0)
{
return;
}
}
else
{
NativeOperatorRemotingCallbacks proxyCallbacks = item.OperatorCallbacks as NativeOperatorRemotingCallbacks;
if (proxyCallbacks != null)
{
iconAppended = true;
text.Append(" \f[-]\f[image:warning] \f[0xaa6400]\f[I]" + Tx.T("mathlib.remoting"));
missingCallbacks = proxyCallbacks.MissingCallbacks;
if (missingCallbacks.Length == 0)
{
text.Append("\f[I]\f[Rc]");
return;
}
}
}
if (missingCallbacks == null)
{
return;
}
for (int i = 0; i < missingCallbacks.Length; i++)
{
string current = missingCallbacks[i];
if (!ae.IsCallbackUsed(current))
{
continue;
}
if (isFirst)
{
isFirst = false;
if (iconAppended)
{
text.Append(" \f[0x999999]|\f[0xaa6400] " + Tx.T("mathlib.missing callbacks"));
}
else
{
text.Append(" \f[-]\f[image:warning] \f[0xaa6400]\f[I]" + Tx.T("mathlib.missing callbacks"));
}
}
else
{
text.Append(", ");
}
if (current.StartsWith("constant_", StringComparison.Ordinal))
{
text.Append("\f[I]");
text.Append(current, 9, current.Length - 9);
text.Append("\f[I]");
}
else if (current.StartsWith("operator_", StringComparison.Ordinal))
{
text.Append(current, 9, current.Length - 9);
}
else
{
text.Append(current);
}
}
if (!isFirst)
{
text.Append("\f[I]\f[Rc]");
}
}
