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53 lines
1.9 KiB
C#
53 lines
1.9 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Globalization;
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namespace osu.Game.Beatmaps.Formats
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{
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/// <summary>
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/// Helper methods to parse from string to number and perform very basic validation.
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/// </summary>
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public static class Parsing
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{
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public const int MAX_COORDINATE_VALUE = 131072;
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public const double MAX_PARSE_VALUE = int.MaxValue;
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public static float ParseFloat(string input, float parseLimit = (float)MAX_PARSE_VALUE, bool allowNaN = false)
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{
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float output = float.Parse(input, CultureInfo.InvariantCulture);
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if (output < -parseLimit) throw new OverflowException("Value is too low");
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if (output > parseLimit) throw new OverflowException("Value is too high");
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if (!allowNaN && float.IsNaN(output)) throw new FormatException("Not a number");
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return output;
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}
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public static double ParseDouble(string input, double parseLimit = MAX_PARSE_VALUE, bool allowNaN = false)
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{
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double output = double.Parse(input, CultureInfo.InvariantCulture);
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if (output < -parseLimit) throw new OverflowException("Value is too low");
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if (output > parseLimit) throw new OverflowException("Value is too high");
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if (!allowNaN && double.IsNaN(output)) throw new FormatException("Not a number");
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return output;
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}
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public static int ParseInt(string input, int parseLimit = (int)MAX_PARSE_VALUE)
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{
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int output = int.Parse(input, CultureInfo.InvariantCulture);
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if (output < -parseLimit) throw new OverflowException("Value is too low");
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if (output > parseLimit) throw new OverflowException("Value is too high");
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return output;
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}
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}
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}
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