/// <summary>
/// Split a QualifiedName into prefix and localname, w/o any checking.
/// (Used for XmlReader/XPathNavigator MoveTo(name) methods)
/// </summary>
internal static void SplitQName(string name, out string prefix, out string lname)
{
int colonPos = name.IndexOf(':');
if (-1 == colonPos)
{
prefix = string.Empty;
lname = name;
}
else if (0 == colonPos || (name.Length - 1) == colonPos)
{
#if !SILVERLIGHT_XPATH
//throw new ArgumentException(Res.GetString(Res.Xml_BadNameChar, XmlException.BuildCharExceptionArgs(':', '\0')), "name");
throw new ArgumentException("Xml_BadNameChar");
#else
throw new ArgumentException(Res.GetString(Res.Xml_BadNameChar, XmlExceptionHelper.BuildCharExceptionArgs(':', '\0')), "name");
#endif
}
else
{
prefix = name.Substring(0, colonPos);
colonPos++; // move after colon
lname = name.Substring(colonPos, name.Length - colonPos);
}
}
/// <summary>
/// Throws an invalid name exception.
/// </summary>
/// <param name="s">String that was parsed.</param>
/// <param name="offsetStartChar">Offset in string where parsing began.</param>
/// <param name="offsetBadChar">Offset in string where parsing failed.</param>
internal static void ThrowInvalidName(string s, int offsetStartChar, int offsetBadChar)
{
// If the name is empty, throw an exception
if (offsetStartChar >= s.Length)
#if !SILVERLIGHT_XPATH
{ throw new XmlException("Xml_EmptyName"); }
#else
{ throw new XmlException(Res.GetString(Res.Xml_EmptyName, string.Empty)); }
#endif
Debug.Assert(offsetBadChar < s.Length);
if (xmlCharType.IsNCNameSingleChar(s[offsetBadChar]) && !XmlCharType.Instance.IsStartNCNameSingleChar(s[offsetBadChar]))
{
// The error character is a valid name character, but is not a valid start name character
#if !SILVERLIGHT_XPATH
//throw new XmlException(Res.Xml_BadStartNameChar, XmlException.BuildCharExceptionArgs(s, offsetBadChar));
throw new XmlException("Xml_BadStartNameChar");
#else
throw new XmlException(Res.GetString(Res.Xml_BadStartNameChar, XmlExceptionHelper.BuildCharExceptionArgs(s, offsetBadChar)));
#endif
}
else
{
// The error character is an invalid name character
#if !SILVERLIGHT_XPATH
//throw new XmlException(Res.Xml_BadNameChar, XmlException.BuildCharExceptionArgs(s, offsetBadChar));
throw new XmlException("Xml_BadNameChar");
#else
throw new XmlException(Res.GetString(Res.Xml_BadNameChar, XmlExceptionHelper.BuildCharExceptionArgs(s, offsetBadChar)));
#endif
}
}
