public static bool TryParse(string uriString, out UriComponents uriComponents)
{
uriString = uriString.Replace('\\', '/');
if (RootedPathRegex.IsMatch(uriString))
{
uriString = $"file:///{uriString}";
}
Match absoluteUriMatch = AbsoluteUriRegex.Match(uriString);
if (!absoluteUriMatch.Success)
{
uriComponents = null;
return(false);
}
string scheme = absoluteUriMatch.Groups["scheme"].Value;
string userInfo = absoluteUriMatch.Groups["userInfo"].Value;
string path = absoluteUriMatch.Groups["path"].Value;
string query = absoluteUriMatch.Groups["query"].Value;
string fragment = absoluteUriMatch.Groups["fragment"].Value;
string host;
int port;
string hostGroupValue = absoluteUriMatch.Groups["host"].Value;
string portGroupValue = absoluteUriMatch.Groups["port"].Value;
if (portGroupValue.IsNullOrEmpty())
{
host = hostGroupValue;
port = GetDefaultPort(scheme);
}
else if (!Int32.TryParse(portGroupValue.Substring(1), out port))
{
host = hostGroupValue + portGroupValue;
port = -1;
}
else
{
host = hostGroupValue;
}
uriComponents = new UriComponents(scheme, userInfo, host, port, path, query, fragment);
return(true);
}
public static bool TryParse(string uriString, out UriComponents uriComponents)
{
uriString = uriString.Replace('\\', '/');
if (RootedPathRegex.Match(uriString) != null)
{
uriString = "file:///" + uriString;
}
string[] absoluteUriMatch = AbsoluteUriRegex.Match(uriString);
if (absoluteUriMatch == null)
{
uriComponents = null;
return(false);
}
string scheme = absoluteUriMatch[1].DefaultIfNullOrEmpty();
string userInfo = absoluteUriMatch[4].DefaultIfNullOrEmpty();
string path = absoluteUriMatch[7].DefaultIfNullOrEmpty();
string query = absoluteUriMatch[8].DefaultIfNullOrEmpty();
string fragment = absoluteUriMatch[9].DefaultIfNullOrEmpty();
string host;
int port;
string hostGroupValue = absoluteUriMatch[5].DefaultIfNullOrEmpty();
string portGroupValue = absoluteUriMatch[6].DefaultIfNullOrEmpty();
if (portGroupValue.IsNullOrEmpty())
{
host = hostGroupValue;
port = GetDefaultPort(scheme);
}
else if (!Int32.TryParse(portGroupValue.Substring(1), out port))
{
host = hostGroupValue + portGroupValue;
port = -1;
}
else
{
host = hostGroupValue;
}
uriComponents = new UriComponents(scheme, userInfo, host, port, path, query, fragment);
return(true);
}
public static bool TryCreateAbsoluteUri(System.Uri baseUri, string relativeUriString, out System.Uri uri)
{
UriComponents baseUriComponents;
if (!TryGetUriComponents(baseUri, out baseUriComponents))
{
uri = null;
return(false);
}
UriComponents uriComponents = baseUriComponents.Combine(relativeUriString);
uri = new System.Uri(uriComponents.AbsoluteUri);
uri["UriComponents"] = uriComponents;
return(true);
}
public static bool TryGetUriComponents(System.Uri uri, out UriComponents uriComponents)
{
if (uri.HasOwnProperty("UriComponents"))
{
uriComponents = (UriComponents)uri["UriComponents"];
}
else
{
if (!UriComponents.TryParse(uri.AbsoluteUri, out uriComponents))
{
uriComponents = null;
}
uri["UriComponents"] = uriComponents;
}
return(uriComponents != null);
}
