BeginEvent.cs

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using System.Xml.XPath;
 
namespace System.Xml.Xsl.XsltOld;
 
internal class BeginEvent : Event
{
    private readonly XPathNodeType _nodeType;
 
    private string _namespaceUri;
 
    private readonly string _name;
 
    private string _prefix;
 
    private readonly bool _empty;
 
    private readonly object _htmlProps;
 
    public BeginEvent(Compiler compiler)
    {
        NavigatorInput input = compiler.Input;
        _nodeType = input.NodeType;
        _namespaceUri = input.NamespaceURI;
        _name = input.LocalName;
        _prefix = input.Prefix;
        _empty = input.IsEmptyTag;
        if (_nodeType == XPathNodeType.Element)
        {
            _htmlProps = HtmlElementProps.GetProps(_name);
        }
        else if (_nodeType == XPathNodeType.Attribute)
        {
            _htmlProps = HtmlAttributeProps.GetProps(_name);
        }
    }
 
    public override void ReplaceNamespaceAlias(Compiler compiler)
    {
        if (_nodeType == XPathNodeType.Attribute && _namespaceUri.Length == 0)
        {
            return;
        }
        NamespaceInfo namespaceInfo = compiler.FindNamespaceAlias(_namespaceUri);
        if (namespaceInfo != null)
        {
            _namespaceUri = namespaceInfo.nameSpace;
            if (namespaceInfo.prefix != null)
            {
                _prefix = namespaceInfo.prefix;
            }
        }
    }
 
    public override bool Output(Processor processor, ActionFrame frame)
    {
        return processor.BeginEvent(_nodeType, _prefix, _name, _namespaceUri, _empty, _htmlProps, search: false);
    }
}