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Fix exceptions and incorrect results within the calculator plugin (#7438)

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* remove functions which mages cannot interpret and add in functions which mages can

* set validResult when the result is explicitly created to differentiate it form an empty CalculateResult

* Add condition to check that the input is not ending with a binary operation

* add tests for all the cases

* use valid result while calculating hash as well

* add test for e is valid within regex

* removed i from regex

* remove valid result to use decimal? instead

* remove duplicate rand and exp
This commit is contained in:
Alekhya
2020-10-21 16:19:37 -07:00
committed by GitHub
parent 86d77103e9
commit dd2627dbbc
4 changed files with 83 additions and 24 deletions
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17
src/modules/launcher/Plugins/Microsoft.Plugin.Calculator/CalculateHelper.cs
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@@ -11,12 +11,12 @@ namespace Microsoft.Plugin.Calculator
{
private static readonly Regex RegValidExpressChar = new Regex(
@"^(" +
@"ceil|floor|exp|pi|e|max|min|det|abs|log|ln|sqrt|" +
@"sin|cos|tan|arcsin|arccos|arctan|" +
@"eigval|eigvec|eig|sum|polar|plot|round|sort|real|zeta|" +
@"bin2dec|hex2dec|oct2dec|" +
@"ceil\s*\(|floor\s*\(|exp\s*\(|max\s*\(|min\s*\(|abs\s*\(|log\s*\(|ln\s*\(|sqrt\s*\(|pow\s*\(|" +
@"factorial\s*\(|sign\s*\(|round\s*\(|rand\s*\(|" +
@"sin\s*\(|cos\s*\(|tan\s*\(|arcsin\s*\(|arccos\s*\(|arctan\s*\(|" +
@"pi|" +
@"==|~=|&&|\|\||" +
@"[ei]|[0-9]|[\+\-\*\/\^\., ""]|[\(\)\|\!\[\]]" +
@"e|[0-9]|[\+\-\*\/\^\., ""]|[\(\)\|\!\[\]]" +
@")+$", RegexOptions.Compiled);
public static bool InputValid(string input)
@@ -41,6 +41,13 @@ namespace Microsoft.Plugin.Calculator
return false;
}
// If the input ends with a binary operator then it is not a valid input to mages and the Interpret function would throw an exception.
string trimmedInput = input.TrimEnd();
if (trimmedInput.EndsWith('+') || trimmedInput.EndsWith('-') || trimmedInput.EndsWith('*') || trimmedInput.EndsWith('|') || trimmedInput.EndsWith('\\') || trimmedInput.EndsWith('^') || trimmedInput.EndsWith('=') || trimmedInput.EndsWith('&'))
{
return false;
}
return true;
}
}