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https://github.com/microsoft/PowerToys.git
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465df35d27
* crash fixes and error result * small changes and test fixes * improve exceptions and message * double array crash fix * overflowexception * improve error handling * varous improvements * varous improvements * fix spelling * fix spelling * Revert #16980 * add description * error improvemenet * Update tests * spelling fixes * small changes * add settings * last changes * fix description * update dev docs * spell check
52 lines
1.9 KiB
C#
52 lines
1.9 KiB
C#
// Copyright (c) Microsoft Corporation
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// The Microsoft Corporation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System;
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using System.Text.RegularExpressions;
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namespace Microsoft.PowerToys.Run.Plugin.Calculator
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{
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public static class CalculateHelper
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{
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private static readonly Regex RegValidExpressChar = new Regex(
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@"^(" +
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@"%|" +
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@"ceil\s*\(|floor\s*\(|exp\s*\(|max\s*\(|min\s*\(|abs\s*\(|log\s*\(|ln\s*\(|sqrt\s*\(|pow\s*\(|" +
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@"factorial\s*\(|sign\s*\(|round\s*\(|rand\s*\(|" +
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@"sin\s*\(|cos\s*\(|tan\s*\(|arcsin\s*\(|arccos\s*\(|arctan\s*\(|" +
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@"sinh\s*\(|cosh\s*\(|tanh\s*\(|arsinh\s*\(|arcosh\s*\(|artanh\s*\(|" +
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@"pi|" +
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@"==|~=|&&|\|\||" +
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@"e|[0-9]|0x[0-9a-fA-F]+|0b[01]+|[\+\-\*\/\^\., ""]|[\(\)\|\!\[\]]" +
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@")+$", RegexOptions.Compiled);
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public static bool InputValid(string input)
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{
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if (string.IsNullOrWhiteSpace(input))
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{
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throw new ArgumentNullException(paramName: nameof(input));
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}
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if (!RegValidExpressChar.IsMatch(input))
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{
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return false;
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}
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if (!BracketHelper.IsBracketComplete(input))
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{
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return false;
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}
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// 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.
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string trimmedInput = input.TrimEnd();
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if (trimmedInput.EndsWith('+') || trimmedInput.EndsWith('-') || trimmedInput.EndsWith('*') || trimmedInput.EndsWith('|') || trimmedInput.EndsWith('\\') || trimmedInput.EndsWith('^') || trimmedInput.EndsWith('=') || trimmedInput.EndsWith('&'))
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{
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return false;
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}
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return true;
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}
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}
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}
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