/// <summary>
/// Read hyphenation patterns from an XML file.
/// </summary>
/// <param name="source"> the InputSource for the file </param>
/// <exception cref="IOException"> In case the parsing fails </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public void loadPatterns(org.xml.sax.InputSource source) throws java.io.IOException
public virtual void loadPatterns(InputSource source)
{
PatternParser pp = new PatternParser(this);
ivalues = new TernaryTree();
pp.parse(source);
// patterns/values should be now in the tree
// let's optimize a bit
trimToSize();
vspace.trimToSize();
classmap.trimToSize();
// get rid of the auxiliary map
ivalues = null;
}