/// <summary>
/// Add a regex depending on three nodes
/// </summary>
/// <param name="languageNode">The language node</param>
/// <param name="subNode">The first sub-node</param>
/// <param name="subNode2">The second sub-node</param>
/// <param name="sRegExp">The regular expression string</param>
/// <exception cref="ArgumentNullException">This is thrown if a node
/// parameter is null or the regular expression is null.</exception>
/// <exception cref="ArgumentException">This is thrown if a node
/// parameter does not have an 'id' attribute or if the regular
/// expression could not be created.</exception>
internal void AddKey(XmlNode languageNode, XmlNode subNode,
XmlNode subNode2, string sRegExp)
{
Regex regExp = new Regex(sRegExp,
RegexDictionary.GetRegexOptions(languageNode));
if (regExp == null)
{
throw new ArgumentException(
"Could not create regular expression");
}
dictionary.Add(RegexDictionary.KeyName(languageNode, subNode,
subNode2), regExp);
}
/// <summary>
/// Retrieves the regular expression out of 3 nodes
/// </summary>
/// <param name="languageNode">The language node</param>
/// <param name="subNode">The first sub-node</param>
/// <param name="subNode2">The second sub-node</param>
/// <returns>The regular expression</returns>
/// <exception cref="ArgumentNullException">This is thrown if a node
/// parameter is null or the regular expression is null.</exception>
/// <exception cref="ArgumentException">This is thrown if a node
/// parameter does not have an 'id' attribute.</exception>
internal Regex GetKey(XmlNode languageNode, XmlNode subNode,
XmlNode subNode2)
{
return(dictionary[RegexDictionary.KeyName(languageNode, subNode,
subNode2)]);
}