/// <summary>
/// Converts the value of the current <see cref="GameVersion"/> to its equivalent
/// <see cref="GameVersionRange"/>.
/// </summary>
/// <returns>
/// <para>
/// A <see cref="GameVersionRange"/> which specifies a set of versions equivalent to the current
/// <see cref="GameVersion"/>.
/// </para>
/// <para>
/// For example, the version "1.0.0.0" would be equivalent to the range ["1.0.0.0", "1.0.0.0"], while the
/// version "1.0" would be equivalent to the range ["1.0.0.0", "1.1.0.0"). Where '[' and ']' represent
/// inclusive bounds and '(' and ')' represent exclusive bounds.
/// </para>
/// </returns>
public GameVersionRange ToVersionRange()
{
GameVersionBound lower;
GameVersionBound upper;
if (IsBuildDefined)
{
lower = new GameVersionBound(this, inclusive: true);
upper = new GameVersionBound(this, inclusive: true);
}
else if (IsPatchDefined)
{
lower = new GameVersionBound(new GameVersion(Major, Minor, Patch, 0), inclusive: true);
upper = new GameVersionBound(new GameVersion(Major, Minor, Patch + 1, 0), inclusive: false);
}
else if (IsMinorDefined)
{
lower = new GameVersionBound(new GameVersion(Major, Minor, 0, 0), inclusive: true);
upper = new GameVersionBound(new GameVersion(Major, Minor + 1, 0, 0), inclusive: false);
}
else if (IsMajorDefined)
{
lower = new GameVersionBound(new GameVersion(Major, 0, 0, 0), inclusive: true);
upper = new GameVersionBound(new GameVersion(Major + 1, 0, 0, 0), inclusive: false);
}
else
{
lower = GameVersionBound.Unbounded;
upper = GameVersionBound.Unbounded;
}
return(new GameVersionRange(lower, upper));
}
public GameVersionRange IntersectWith(GameVersionRange other)
{
if (ReferenceEquals(other, null))
{
throw new ArgumentNullException("other");
}
var highestLow = GameVersionBound.Highest(Lower, other.Lower);
var lowestHigh = GameVersionBound.Lowest(Upper, other.Upper);
return(IsEmpty(highestLow, lowestHigh) ? null : new GameVersionRange(highestLow, lowestHigh));
}
public GameVersionRange(GameVersionBound lower, GameVersionBound upper)
{
if (ReferenceEquals(lower, null))
{
throw new ArgumentNullException("lower");
}
if (ReferenceEquals(upper, null))
{
throw new ArgumentNullException("upper");
}
Lower = lower;
Upper = upper;
_string = DeriveString(this);
}
private static bool IsEmpty(GameVersionBound lower, GameVersionBound upper)
{
return(upper.Value < lower.Value ||
(lower.Value == upper.Value && (!lower.Inclusive || !upper.Inclusive)));
}
