112 lines
2.8 KiB
C#
112 lines
2.8 KiB
C#
//
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// FileInfo.cs
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//
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// Author:
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// Michael Becker <alcexhim@gmail.com>
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//
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// Copyright (c) 2019
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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using System;
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namespace UniversalEditor.UserInterface.Common
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{
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public static class FileInfo
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{
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public static string FormatSize(long size, int powBy = 1024)
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{
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double dsize = (double)size;
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double rsize = dsize;
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string rstr = String.Empty;
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powBy = 1000; // 1024
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if (dsize > powBy)
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{
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// KB - kilobytes (kibibytes)
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if (dsize > Math.Pow(powBy, 2))
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{
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// MB - megabytes (mebibytes)
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if (dsize > Math.Pow(powBy, 3))
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{
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// GB - gigabytes (gibibytes)
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if (dsize > Math.Pow(powBy, 4))
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{
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// TB - terabytes (tebibytes)
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if (dsize > Math.Pow(powBy, 5))
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{
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// PB - petabytes (pebibytes)
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if (dsize > Math.Pow(powBy, 6))
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{
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// EB - exabytes (exbibytes)
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if (dsize > Math.Pow(powBy, 7))
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{
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// ZB - zettabytes (zebibytes)
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if (dsize > Math.Pow(powBy, 8))
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{
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// YB - yottabytes (yobibytes)
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rsize = (dsize / Math.Pow(powBy, 8));
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rstr = powBy == 1000 ? "YB" : "YiB";
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}
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else
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{
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rsize = (dsize / Math.Pow(powBy, 7));
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rstr = powBy == 1000 ? "ZB" : "ZiB";
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}
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}
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else
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{
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rsize = (dsize / Math.Pow(powBy, 6));
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rstr = powBy == 1000 ? "EB" : "EiB";
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}
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}
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else
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{
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rsize = (dsize / Math.Pow(powBy, 5));
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rstr = powBy == 1000 ? "PB" : "PiB";
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}
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}
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else
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{
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rsize = (dsize / Math.Pow(powBy, 4));
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rstr = powBy == 1000 ? "TB" : "TiB";
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}
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}
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else
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{
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rsize = (dsize / Math.Pow(powBy, 3));
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rstr = powBy == 1000 ? "GB" : "GiB";
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}
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}
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else
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{
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rsize = (dsize / Math.Pow(powBy, 2));
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rstr = powBy == 1000 ? "MB" : "MiB";
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}
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}
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else
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{
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rsize = (dsize / ((double)powBy));
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rstr = powBy == 1000 ? "KB" : "KiB";
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}
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}
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else
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{
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rsize = dsize;
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rstr = "bytes";
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}
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rsize = Math.Round(rsize, 1);
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return String.Format("{0} {1}", rsize.ToString(), rstr);
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}
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}
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}
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