private static DefaultGatewayList parseList(HtmlDocument parser, string fieldName)
{
var select = parser.DocumentNode.SelectSingleNode($"//select[@name='{fieldName}']");
if (select == null)
{
throw new InvalidOperationException($"Unable to parse html, cannot find select element named {fieldName}, this is a bug");
}
var list = new DefaultGatewayList();
foreach (var opt in select.ChildNodes)
{
if (opt.Name == "option")
{
var item = new DefaultGatewayListItem()
{
InternalName = opt.Attributes["value"].Value, Name = opt.InnerText
};
list.items.Add(item);
if (opt.Attributes["selected"] != null)
{
list.Selected = item;
}
}
}
return(list);
}
private void parsePageContent(string htmlBody)
{
var parser = new HtmlDocument();
parser.LoadHtml(htmlBody);
gateways = parseGatewaysTable(parser);
DefaultGatewayIPv4 = parseList(parser, "defaultgw4");
DefaultGatewayIPv6 = parseList(parser, "defaultgw6");
formSaveDefaultGatewaysCsrfToken = extractDefaultGatewayFormCsrfToken(parser);
// "changes must be applied" banner that shows if Gateways have been saved
formApplyChangesCsrfToken = extractApplyChangesFormCsrfToken(parser);
}
