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185 | using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
namespace TechScales
{
partial class FileSizeConverter
{
//'####################################################
//' logic source:
//' matisse bitcalc
//'####################################################
/// <summary>
/// changes file size to selected unit and mode
/// </summary>
/// <param name="fSize"></param>
/// <param name="s1">first unit</param>
/// <param name="s2">result unit</param>
/// <param name="modeKiBi">mode kilo bits/bytes</param>
/// <returns></returns>
internal static string Convert(
long fSize, eUnit s1, eUnit s2, eKilo modeKiBi)
{
var ln0 = 0d; var len = (double)fSize; var kib = (double)(int)modeKiBi;
switch (s1)
{
case eUnit.bits:
ln0 = len; break;
case eUnit.bytes:
ln0 = len * BITS_IN_A_BYTE; break;
case eUnit.kilobits:
ln0 = len * kib; break;
case eUnit.kilobytes:
ln0 = len * kib * BITS_IN_A_BYTE; break;
case eUnit.megabits:
ln0 = len * Math.Pow(kib, 2); break;
case eUnit.megabytes:
ln0 = len * Math.Pow(kib, 2) * BITS_IN_A_BYTE; break;
case eUnit.gigabits:
ln0 = len * Math.Pow(kib, 3); break;
case eUnit.gigabytes:
ln0 = len * Math.Pow(kib, 3) * BITS_IN_A_BYTE; break;
}
var dbl = 0d;
switch (s2)
{
case eUnit.bits:
dbl = len; break;
case eUnit.bytes:
dbl = ln0 / BITS_IN_A_BYTE; break;
case eUnit.kilobits:
dbl = ln0 / kib;
dbl = Math.Round(dbl, 3);
break;
case eUnit.kilobytes:
dbl = ln0 / (kib * BITS_IN_A_BYTE);
dbl = Math.Round(dbl, 3);
break;
case eUnit.megabits:
dbl = ln0 / Math.Pow(kib, 2);
dbl = Math.Round(dbl, 3 * 2);
break;
case eUnit.megabytes:
dbl = ln0 / (Math.Pow(kib, 2) * BITS_IN_A_BYTE);
dbl = Math.Round(dbl, 3 * 2);
break;
case eUnit.gigabits:
dbl = ln0 / Math.Pow(kib, 3);
dbl = Math.Round(dbl, 3 * 3);
break;
case eUnit.gigabytes:
dbl = ln0 / (Math.Pow(kib, 3) * BITS_IN_A_BYTE);
dbl = Math.Round(dbl, 3 * 3);
break;
}
var dz0 = dbl <= 1d ? dbl : dbl - Math.Floor(dbl);
return string.Concat(
dz0 >= 1d || dbl < 1 ? dbl :
(dz0 > 0.1d ? Math.Round(dbl, 1) :
(dz0 > .01d ? Math.Round(dbl, 2) : Math.Round(dbl, 3))),
UnitFileSize(s2));
}
/// <summary>
/// extension: changes file size to selected unit and mode
/// </summary>
/// <param name="arg">int32 file size</param>
/// <param name="s1">first unit</param>
/// <param name="s2">result unit</param>
/// <param name="modeKiBi">mode kilo bits/bytes</param>
/// <returns></returns>
internal static string ToAnotherFileSize(
this int arg, eUnit s1, eUnit s2, eKilo modeKiBi = eKilo.Legacy_1024)
{
return Convert(arg, s1, s2, modeKiBi);
}
/// <summary>
/// convert file size
/// </summary>
/// <param name="arg">int64 file size</param>
/// <param name="s1">first unit</param>
/// <param name="s2">result unit</param>
/// <param name="modeKiBi">mode kilo bits/bytes</param>
/// <returns></returns>
internal static string ToAnotherFileSize(
this long arg, eUnit s1, eUnit s2, eKilo modeKiBi = eKilo.Legacy_1024)
{
return Convert(arg, s1, s2, modeKiBi);
}
private static string CalculateDefaultFileSize(
long arg, eKilo modeKiBi = eKilo.Legacy_1024, bool bitsNotBytes = false)
{
return CalculateDefaultFileSize((double)arg, modeKiBi, bitsNotBytes);
}
private static string CalculateDefaultFileSize(
double arg, eKilo modeKiBi = eKilo.Legacy_1024, bool bitsNotBytes = false)
{
if (arg == 0d) { return "0B"; }
var res = "{0}";
var unt = ("GB,MB,KB").Split(',');
var mod = new double[] { };
try
{
var min = arg < 0;
var lng = Math.Abs(arg);
var dbl = 0d;
var byt = bitsNotBytes ? 8 : 1;
var idx = 0;
var kib = (double)((int)modeKiBi);
var lgc = modeKiBi == eKilo.Legacy_1024;
if (lgc) { mod = new double[]
{ Math.Pow(kib, 3) * byt, Math.Pow(kib, 2) * byt, kib * byt }; }
else { mod = new double[] { Math.Pow(kib, 3), Math.Pow(kib, 2), kib }; }
while (idx < mod.Length)
{
if (idx < mod.Length || !(dbl < 1000d && dbl > 1d))
{ dbl = lng / mod[idx]; if (dbl < 1000d && dbl >= 1d) { break; } }
else { break; }
idx++; if (idx >= mod.Length) { break; }
}
if (idx >= mod.Length)
{
res = string.Concat(min ? "-" : "", (lng * byt),
(bitsNotBytes ? "b" : "B"));
}
else
{
dbl = Math.Round(dbl, 3);
res = string.Concat(min ? "-" : "", dbl, unt[idx]);
}
}
catch { }
mod = null; unt = null;
return res;
}
internal static string ToDefaultFileSizeFromBits(
this int arg, eKilo modeKiBi = eKilo.Legacy_1024)
{
return CalculateDefaultFileSize(arg, modeKiBi, true);
}
internal static string ToDefaultFileSizeFromBits(
this long arg, eKilo modeKiBi = eKilo.Legacy_1024)
{
return CalculateDefaultFileSize(arg, modeKiBi, true);
}
internal static string ToDefaultFileSizeFromBytes(
this int arg, eKilo modeKiBi = eKilo.Legacy_1024)
{
return CalculateDefaultFileSize(arg, modeKiBi);
}
internal static string ToDefaultFileSizeFromBytes(
this long arg, eKilo modeKiBi = eKilo.Legacy_1024)
{
return CalculateDefaultFileSize(arg, modeKiBi);
}
internal static string ToDefaultFileSizeFromBytes(
this double arg, eKilo modeKiBi = eKilo.Legacy_1024)
{
return CalculateDefaultFileSize(arg, modeKiBi);
}
}
}
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