WithParamAction.cs

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namespace System.Xml.Xsl.XsltOld;
 
internal class WithParamAction : VariableAction
{
    internal WithParamAction()
        : base(VariableType.WithParameter)
    {
    }
 
    internal override void Compile(Compiler compiler)
    {
        CompileAttributes(compiler);
        CheckRequiredAttribute(compiler, name, "name");
        if (compiler.Recurse())
        {
            CompileTemplate(compiler);
            compiler.ToParent();
            if (selectKey != -1 && containedActions != null)
            {
                throw XsltException.Create(System.SR.Xslt_VariableCntSel2, nameStr);
            }
        }
    }
 
    internal override void Execute(Processor processor, ActionFrame frame)
    {
        switch (frame.State)
        {
        case 0:
            if (selectKey != -1)
            {
                object value = processor.RunQuery(frame, selectKey);
                processor.SetParameter(name, value);
                frame.Finished();
            }
            else if (containedActions == null)
            {
                processor.SetParameter(name, string.Empty);
                frame.Finished();
            }
            else
            {
                NavigatorOutput output = new NavigatorOutput(baseUri);
                processor.PushOutput(output);
                processor.PushActionFrame(frame);
                frame.State = 1;
            }
            break;
        case 1:
        {
            IRecordOutput recordOutput = processor.PopOutput();
            processor.SetParameter(name, ((NavigatorOutput)recordOutput).Navigator);
            frame.Finished();
            break;
        }
        }
    }
}