private static bool ParseWindowsFilePath(ParserState state)
{
var scheme = state.elements.scheme;
if (!string.IsNullOrEmpty(scheme) &&
scheme != Uri.UriSchemeFile && UriHelper.IsKnownScheme(scheme))
{
return(state.remaining.Length > 0);
}
string part = state.remaining;
if (part.Length > 0 && (part [0] == '/' || part [0] == '\\'))
{
part = part.Substring(1);
}
if (part.Length < 2 || part [1] != ':')
{
return(state.remaining.Length > 0);
}
if (!IsAlpha(part [0]))
{
if (state.kind == UriKind.Absolute)
{
state.error = "Invalid URI: The URI scheme is not valid.";
return(false);
}
state.elements.isAbsoluteUri = false;
state.elements.path = part;
return(false);
}
if (part.Length > 2 && part [2] != '\\' && part [2] != '/')
{
state.error = "Relative file path is not allowed.";
return(false);
}
if (string.IsNullOrEmpty(scheme))
{
state.elements.scheme = Uri.UriSchemeFile;
state.elements.delimiter = "://";
}
state.elements.path = part.Replace("\\", "/");
return(false);
}
private static bool ParseDelimiter(ParserState state)
{
var delimiter = Uri.GetSchemeDelimiter(state.elements.scheme);
if (!state.remaining.StartsWith(delimiter, StringComparison.Ordinal))
{
if (UriHelper.IsKnownScheme(state.elements.scheme))
{
state.error = "Invalid URI: The Authority/Host could not be parsed.";
return(false);
}
delimiter = ":";
}
state.elements.delimiter = delimiter;
state.remaining = state.remaining.Substring(delimiter.Length);
return(state.remaining.Length > 0);
}