54 lines
1.4 KiB
C#
54 lines
1.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using zero.Core.Entities;
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namespace zero.Core.Extensions
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{
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public static class NumberExtensions
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{
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static Dictionary<FileSizeNotation, string[]> FileSizeUnits = new()
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{
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{ FileSizeNotation.SI, new string[] { "B", "kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB" } },
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{ FileSizeNotation.IEC, new string[] { "B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB" } },
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{ FileSizeNotation.JEDEC, new string[] { "B", "KB", "MB", "GB" } }
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};
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public static int Limit(this int input, int min, int max)
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{
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if (input < min)
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{
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return min;
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}
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if (input > max)
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{
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return max;
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}
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return input;
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}
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public static string GetFileSize(this long sizeInBytes, FileSizeNotation notation = FileSizeNotation.JEDEC)
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{
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if (!FileSizeUnits.ContainsKey(notation))
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{
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throw new NotImplementedException($"The notation {notation} has no implementation for generating human-readable file sizes");
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}
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int power = notation == FileSizeNotation.SI ? 1000 : 1024;
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string[] units = FileSizeUnits[notation];
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int order = 0;
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while (sizeInBytes >= power && order + 1 < units.Length)
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{
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order++;
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sizeInBytes = sizeInBytes / power;
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}
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return String.Format("{0:0.##} {1}", sizeInBytes, units[order]);
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}
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}
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}
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