protected override void GetInstalledVersion()
{
const string versionRegexString = @"Build: ffmpeg-(\d{4})(\d{2})(\d{2})";
string readmePath = Path.Combine(FFMPEG_PATH, "README.txt");
if (!File.Exists(readmePath))
{
return;
}
var versionRegex = new Regex(versionRegexString, RegexOptions.IgnoreCase);
Match versionLineMatch = null;
using (var stream = new StreamReader(readmePath))
{
do
{
string line = stream.ReadLine();
versionLineMatch = versionRegex.Match(line);
} while (!versionLineMatch.Success && !stream.EndOfStream);
}
// Corrupt installation? Format change? Either way, proceed with update and hope that fixes it??
if (!versionLineMatch.Success)
{
return;
}
string year = versionLineMatch.Groups[1].Value;
string month = versionLineMatch.Groups[2].Value;
string day = versionLineMatch.Groups[3].Value;
InstalledVersion = TimestampVersion.Parse($"{year}-{month}-{day}");
}
public int CompareTo(TimestampVersion other)
{
if (other == null)
{
return(1);
}
return(CompareTo((IVersion)other));
}
protected override void GetAvailableVersion()
{
const string webVersionRegex = @"\d{4}-\w{3}-\d{2}";
try
{
AvailableVersion = TimestampVersion.FromWebResource(VersionUrl, webVersionRegex);
}
catch (System.Net.WebException x)
{
throw new UpdaterException(x.Message, x);
}
catch (FormatException x)
{
throw new UpdaterException("Failed to parse available version. The resource may have changed or moved.", x);
}
}
