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Cleanup Timestamp ctor(String)

This commit is contained in:
YoshiRulz 2020-10-06 04:27:54 +10:00
parent 9bd25a1aa1
commit 7d1133ff9c
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1 changed files with 25 additions and 20 deletions
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45
src/BizHawk.Emulation.DiscSystem/DiscTypes.cs
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@ -97,31 +97,39 @@ namespace BizHawk.Emulation.DiscSystem
return new Timestamp(str).Valid;
}
public readonly byte MIN;
public readonly byte SEC;
public readonly byte FRAC;
public readonly bool Valid;
public readonly bool Negative;
/// <summary>
/// creates a timestamp from a string in the form mm:ss:ff
/// </summary>
public Timestamp(string str)
{
if (str.Length != 8) goto BOGUS;
if (str[0] < '0' || str[0] > '9') goto BOGUS;
if (str[1] < '0' || str[1] > '9') goto BOGUS;
if (str[2] != ':') goto BOGUS;
if (str[3] < '0' || str[3] > '9') goto BOGUS;
if (str[4] < '0' || str[4] > '9') goto BOGUS;
if (str[5] != ':') goto BOGUS;
if (str[6] < '0' || str[6] > '9') goto BOGUS;
if (str[7] < '0' || str[7] > '9') goto BOGUS;
MIN = SEC = FRAC = 0;
Negative = false;
Valid = false;
if (str.Length != 8) return;
if (str[0] < '0' || str[0] > '9') return;
if (str[1] < '0' || str[1] > '9') return;
if (str[2] != ':') return;
if (str[3] < '0' || str[3] > '9') return;
if (str[4] < '0' || str[4] > '9') return;
if (str[5] != ':') return;
if (str[6] < '0' || str[6] > '9') return;
if (str[7] < '0' || str[7] > '9') return;
Valid = true;
MIN = (byte)((str[0] - '0') * 10 + (str[1] - '0'));
SEC = (byte)((str[3] - '0') * 10 + (str[4] - '0'));
FRAC = (byte)((str[6] - '0') * 10 + (str[7] - '0'));
Valid = true;
Negative = false;
return;
BOGUS:
MIN = SEC = FRAC = 0;
Valid = false;
Negative = false;
return;
}
/// <summary>
@ -129,9 +137,6 @@ namespace BizHawk.Emulation.DiscSystem
/// </summary>
public string Value => !Valid ? "--:--:--" : $"{(Negative ? '-' : '+')}{MIN:D2}:{SEC:D2}:{FRAC:D2}";
public readonly byte MIN, SEC, FRAC;
public readonly bool Valid, Negative;
/// <summary>
/// The fully multiplied out flat-address Sector number
/// </summary>