| private InitializeUri ( ParsingError err, UriKind uriKind, UriFormatException &e ) : void | ||
| err | ParsingError | |
| uriKind | UriKind | |
| e | UriFormatException | |
| return | void | |
//
// a Uri.TryCreate() method goes through here.
//
internal static Uri CreateHelper(string uriString, bool dontEscape, UriKind uriKind, ref UriFormatException e)
{
// if (!Enum.IsDefined(typeof(UriKind), uriKind)) -- We currently believe that Enum.IsDefined() is too slow
// to be used here.
if ((int)uriKind < (int)UriKind.RelativeOrAbsolute || (int)uriKind > (int)UriKind.Relative)
{
#if MONO
if (uriKind != DotNetRelativeOrAbsolute)
#endif
throw new ArgumentException(SR.GetString(SR.net_uri_InvalidUriKind, uriKind));
}
UriParser syntax = null;
Flags flags = Flags.Zero;
ParsingError err = ParseScheme(uriString, ref flags, ref syntax);
if (dontEscape)
{
flags |= Flags.UserEscaped;
}
// We won't use User factory for these errors
if (err != ParsingError.None)
{
// If it looks as a relative Uri, custom factory is ignored
if (uriKind != UriKind.Absolute && err <= ParsingError.LastRelativeUriOkErrIndex)
{
return(new Uri((flags & Flags.UserEscaped), null, uriString));
}
return(null);
}
// Cannot be relative Uri if came here
Uri result = new Uri(flags, syntax, uriString);
// Validate instance using ether built in or a user Parser
try
{
result.InitializeUri(err, uriKind, out e);
if (e == null)
{
return(result);
}
return(null);
}
catch (UriFormatException ee)
{
Debug.Assert(!syntax.IsSimple, "A UriPraser threw on InitializeAndValidate.");
e = ee;
// A precaution since custom Parser should never throw in this case.
return(null);
}
}
//
// a Uri.TryCreate() method goes through here.
//
internal static Uri CreateHelper(string uriString, bool dontEscape, UriKind uriKind, ref UriFormatException e)
{
// if (!Enum.IsDefined(typeof(UriKind), uriKind)) -- We currently believe that Enum.IsDefined() is too slow
// to be used here.
if ((int)uriKind < (int)UriKind.RelativeOrAbsolute || (int)uriKind > (int)UriKind.Relative){
throw new ArgumentException(SR.GetString(SR.net_uri_InvalidUriKind, uriKind));
}
UriParser syntax = null;
Flags flags = Flags.Zero;
ParsingError err = ParseScheme(uriString, ref flags, ref syntax);
if (dontEscape)
flags |= Flags.UserEscaped;
// We won't use User factory for these errors
if (err != ParsingError.None)
{
// If it looks as a relative Uri, custom factory is ignored
if (uriKind != UriKind.Absolute && err <= ParsingError.LastRelativeUriOkErrIndex)
return new Uri((flags & Flags.UserEscaped), null, uriString);
return null;
}
// Cannot be relative Uri if came here
Uri result = new Uri(flags, syntax, uriString);
// Validate instance using ether built in or a user Parser
try
{
result.InitializeUri(err, uriKind, out e);
if (e == null)
return result;
return null;
}
catch (UriFormatException ee)
{
Debug.Assert(!syntax.IsSimple, "A UriPraser threw on InitializeAndValidate.");
e = ee;
// A precaution since custom Parser should never throw in this case.
return null;
}
}
internal static Uri CreateHelper(string uriString, bool dontEscape, UriKind uriKind, ref UriFormatException e)
{
if ((uriKind < UriKind.RelativeOrAbsolute) || (uriKind > UriKind.Relative))
{
throw new ArgumentException(System.SR.GetString("net_uri_InvalidUriKind", new object[] { uriKind }));
}
UriParser syntax = null;
Flags hostNotParsed = Flags.HostNotParsed;
ParsingError err = ParseScheme(uriString, ref hostNotParsed, ref syntax);
if (dontEscape)
{
hostNotParsed |= Flags.HostNotParsed | Flags.UserEscaped;
}
if (err != ParsingError.None)
{
if ((uriKind != UriKind.Absolute) && (err <= ParsingError.EmptyUriString))
{
return new Uri(hostNotParsed & (Flags.HostNotParsed | Flags.UserEscaped), null, uriString);
}
return null;
}
Uri uri = new Uri(hostNotParsed, syntax, uriString);
try
{
uri.InitializeUri(err, uriKind, out e);
if (e == null)
{
return uri;
}
return null;
}
catch (UriFormatException exception)
{
e = exception;
return null;
}
}
