public int CompareTo(SemanticVersion value)
{
if (value == null)
{
return 1;
}
if (Major != value.Major)
{
if (Major > value.Major)
{
return 1;
}
return -1;
}
if (Minor != value.Minor)
{
if (Minor > value.Minor)
{
return 1;
}
return -1;
}
if (Patch != value.Patch)
{
if (Patch > value.Patch)
{
return 1;
}
return -1;
}
if (Stability != value.Stability)
{
if (Stability > value.Stability)
{
return 1;
}
return -1;
}
if (PreReleasePartOne != value.PreReleasePartOne)
{
if (PreReleasePartOne > value.PreReleasePartOne)
{
return 1;
}
return -1;
}
if (PreReleasePartTwo != value.PreReleasePartTwo)
{
if (PreReleasePartTwo > value.PreReleasePartTwo)
{
return 1;
}
return -1;
}
return -1;
}
static string GetPreRelease(SemanticVersion version)
{
if (version.PreReleasePartOne == null)
{
throw new Exception("pre-release number is required");
}
if (version.PreReleasePartTwo == null)
{
return version.PreReleasePartOne.ToString();
}
return string.Format("{0}.{1}", version.PreReleasePartOne, version.PreReleasePartTwo);
}
public bool Equals(SemanticVersion obj)
{
if (obj == null)
{
return false;
}
return Major == obj.Major &&
Minor == obj.Minor &&
Patch == obj.Patch &&
PreReleasePartOne == obj.PreReleasePartOne &&
PreReleasePartOne == obj.PreReleasePartTwo &&
Stability == obj.Stability &&
Suffix == obj.Suffix;
}
public static bool TryParse(string versionString, out SemanticVersion semanticVersion)
{
var parts = versionString.Split('-');
if (parts.Length > 2)
{
semanticVersion = null;
return false;
}
var stableParts = parts.First().Split('.');
if (stableParts.Length > 3)
{
semanticVersion = null;
return false;
}
int major;
if (!int.TryParse(stableParts[0], out major))
{
semanticVersion = null;
return false;
}
var parsedVersion = new SemanticVersion
{
Major = major
};
if (stableParts.Length > 1)
{
int minor;
if (!int.TryParse(stableParts[1], out minor))
{
semanticVersion = null;
return false;
}
parsedVersion.Minor = minor;
}
if (stableParts.Length > 2)
{
int patch;
if (!int.TryParse(stableParts[2], out patch))
{
semanticVersion = null;
return false;
}
parsedVersion.Patch = patch;
}
if (parts.Length > 1)
{
var prereleaseString = parts[1];
var buildIndex = prereleaseString.IndexOfAny("0123456789".ToCharArray());
if (buildIndex < 0)
{
semanticVersion = null;
return false;
}
var stageString = prereleaseString.Substring(0, buildIndex);
if (stageString == "RC")
{
parsedVersion.Stability = Stability.ReleaseCandidate;
}
else
{
Stability stability;
if (!Enum.TryParse(stageString, true, out stability))
{
semanticVersion = null;
return false;
}
parsedVersion.Stability = stability;
}
int preReleasePartOne;
var preReleaseString = prereleaseString.Substring(buildIndex);
var preReleaseParts = preReleaseString.Split('.');
if (preReleaseParts.Length > 2)
{
semanticVersion = null;
return false;
}
if (!int.TryParse(preReleaseParts[0], out preReleasePartOne))
{
semanticVersion = null;
return false;
}
parsedVersion.PreReleasePartOne = preReleasePartOne;
if ((preReleaseParts.Length > 1))
{
int preReleasePartTwo;
if ((!int.TryParse(preReleaseParts[1], out preReleasePartTwo)))
{
semanticVersion = null;
return false;
}
parsedVersion.PreReleasePartTwo = preReleasePartTwo;
}
}
else
{
parsedVersion.Stability = Stability.Final;
}
semanticVersion = parsedVersion;
return true;
}
