/// <summary>
/// Checks if version provided is higher than the crrent instance. In
/// contrast to <c>CompareTo</c> methods, for a version component
/// containing asterisk, the pattern provided is assumed to be higher.
/// </summary>
/// <param name="pattern">
/// String presentation of a version.
/// </param>
/// <returns>
/// <c>true</c> if pattern provided is higher version.
/// </returns>
public bool IsStringPatternHigher(string pattern)
{
VersionNumber other = new VersionNumber(pattern);
int[] vc1 = ComparableComponents;
int[] vc2 = other.ComparableComponents;
for (int i = 0; i < 4; i++)
{
if (vc1[i] != vc2[i])
{
return(vc2[i] > vc1[i]);
}
// if component is asterisk, then string pattern will be higher
if (vc1[i] == MaxVersion && vc2[i] == MaxVersion)
{
return(true);
}
}
return(false);
}
/// <summary>
/// Returns higher of two <c>ProjectVersion</c> objects provided.
/// </summary>
/// <param name="v1">
/// First <c>ProjectVersion</c> to compare.
/// </param>
/// <param name="v2">
/// Second <c>ProjectVersion</c> to compare.
/// </param>
/// <returns>
/// Reference two higher <c>ProjectVersion</c> objects.
/// </returns>
public static VersionNumber Max(VersionNumber v1, VersionNumber v2)
{
int[] vc1 = v1.ComparableComponents;
int[] vc2 = v2.ComparableComponents;
for (int i = 0; i < 4; i++)
{
if (vc1[i] != vc2[i])
{
// if both aren't wildcards, return the larger
if (vc1[i] != MaxVersion && vc2[i] != MaxVersion)
{
return(vc1[i] > vc2[i] ? v1 : v2);
}
else
{
return(vc1[i] != MaxVersion ? v1 : v2);
}
}
}
return(v1);
}
/// <summary>
/// Compares this version with a string presentation of another
/// instance.
/// </summary>
/// <param name="other">
/// String presentation of the <c>ProjectVersion</c> to compare to.
/// </param>
/// <returns>
/// 0 if versions are equal, negative number if this instance
/// is a lower version or positive number if this instance is a
/// higher version than the version provided.
/// </returns>
public int CompareTo(string other)
{
VersionNumber otherVersion = new VersionNumber(other);
return(CompareTo(otherVersion));
}