System.Xml.Xsl.Xslt.QilGenerator.CompileKeys C# (CSharp) Méthode

        private void CompileKeys()
        {
            CheckSingletonFocus();
            for (int idx = 0; idx < _compiler.Keys.Count; idx++)
            {
                foreach (Key key in _compiler.Keys[idx])
                {
                    EnterScope(key);
                    QilParameter context = _f.Parameter(T.NodeNotRtf);
                    _singlFocus.SetFocus(context);
                    QilIterator values = _f.For(_f.OptimizeBarrier(CompileKeyMatch(key.Match)));
                    _singlFocus.SetFocus(values);
                    QilIterator keys = _f.For(CompileKeyUse(key));
                    keys = _f.For(_f.OptimizeBarrier(_f.Loop(keys, _f.ConvertToString(keys))));

                    QilParameter value = _f.Parameter(T.StringX);

                    QilFunction func = _f.Function(_f.FormalParameterList(context, value),
                        _f.Filter(values,
                            _f.Not(_f.IsEmpty(_f.Filter(keys, _f.Eq(keys, value))))
                        ),
                        _f.False()
                    );

                    func.DebugName = key.GetDebugName();
                    SetLineInfo(func, key.SourceLine);
                    key.Function = func;
                    _functions.Add(func);
                    ExitScope();
                }
            }
            _singlFocus.SetFocus(null);
        }