public static HtmlSingleNodeResult ExtractSingleNode(string html, ParseBy parseBy)
{
var htmlDocument = new HtmlDocument();
htmlDocument.LoadHtml(html);
var singleNode = htmlDocument.DocumentNode.SelectSingleNode(parseBy.BuildXPath());
if (singleNode == null)
{
return(new HtmlSingleNodeResult
{
Success = false,
HtmlNode = null
});
}
else
{
return(new HtmlSingleNodeResult
{
HtmlNode = singleNode
});
}
}
public static HtmlNodeCollectionResult ExtractNodeCollection(string html, ParseBy parseBy)
{
var htmlDocument = new HtmlDocument();
htmlDocument.LoadHtml(html);
var nodeCollection = htmlDocument.DocumentNode.SelectNodes(parseBy.BuildXPath());
if (nodeCollection == null)
{
return(new HtmlNodeCollectionResult
{
Success = false,
NodeCollection = null
});
}
else
{
return(new HtmlNodeCollectionResult
{
NodeCollection = nodeCollection
});
}
}
public static HtmlNodeSingleCollectionResult ForEachSingleNode(this HtmlNodeCollectionResult htmlNodeCollectionResult, ParseBy parseBy, bool ensureOnlyNotNull = true)
{
var singleNodeCollection = new HtmlNodeSingleCollectionResult();
foreach (var node in htmlNodeCollectionResult.NodeCollection)
{
var partialNode = node.SelectSingleNode(parseBy.Value);
if (partialNode == null && ensureOnlyNotNull)
{
singleNodeCollection.Success = false;
}
singleNodeCollection.HtmlNodes.Add(partialNode);
}
return(singleNodeCollection);
}
public static HtmlFormComponent GetForm(this HtmlParser htmlParser, ParseBy parseBy)
{
return(GetForms(htmlParser.Html, parseBy.Value, parseBy.ParseByType.GetDescription())
.FirstOrDefault());
}
public static IList <HtmlFormComponent> GetForms(this HtmlParser htmlParser, ParseBy parseBy)
{
return(GetForms(htmlParser.Html, parseBy.Value, parseBy.ParseByType.GetDescription()));
}
public HtmlSingleNodeResult FromSingleNode(ParseBy parseBy)
{
return(HtmlResultExtensions.ExtractSingleNode(Html, parseBy));
}
public HtmlNodeCollectionResult FromNodeCollection(ParseBy parseBy)
{
return(HtmlResultExtensions.ExtractNodeCollection(Html, parseBy));
}
