public static string[] ToValues(string html, string objectSelector, string propertySelector)
{
var htmlObjectSelector = SelectorCache.GetOrAddObject(objectSelector);
var htmlNodes = htmlObjectSelector.Execute(html);
var htmlPropertySelector = SelectorCache.GetOrAddProperty(propertySelector);
return(htmlNodes.Select(htmlPropertySelector.Execute).ToArray());
}
protected internal void SetInternal <TProperty>(PropertyInfo propertyInfo, string propertySelector, Func <string, TProperty> propertyValueParser)
{
AddSetter((htmlNode, currentObject) =>
{
var htmlPropertySelector = SelectorCache.GetOrAddProperty(propertySelector);
var executedPropertyValue = htmlPropertySelector.Execute(htmlNode);
var parsedPropertyValue = propertyValueParser(executedPropertyValue);
propertyInfo.SetValue(currentObject, parsedPropertyValue);
});
}
internal TObject[] ParseInternal(HtmlNode htmlNode, int?count = null)
{
var returnObjects = new List <TObject>();
var htmlObjectSelector = SelectorCache.GetOrAddObject(objectSelector);
var nodes = htmlObjectSelector.Execute(htmlNode);
foreach (var node in nodes)
{
var obj = objectInitializer();
foreach (var propertySetter in propertySetters)
{
propertySetter(node, obj);
}
returnObjects.Add(obj);
if (count.HasValue && returnObjects.Count == count.Value)
{
break;
}
}
return(returnObjects.ToArray());
}
public static string ToValue(string html, string selector)
{
var htmlSelector = SelectorCache.GetOrAddProperty(selector);
return(htmlSelector.Execute(html));
}
public string Execute(HtmlNode htmlNode)
{
if (!RegexUtils.TryMatch(selector, pattern, out var match))
{
throw new ArgumentException("Property selector did not matched");
}
var prefixGroup = match.Groups["prefix"];
var suffixGroup = match.Groups["suffix"];
var objectGroup = match.Groups["object"];
var valueGroup = match.Groups["value"];
if (!valueGroup.Success)
{
throw new ArgumentException("Value group in property pattern did not matched");
}
var valuePropGroup = match.Groups["valueProp"];
if (objectGroup.Success)
{
htmlNode = SelectorCache.GetOrAddObject(objectGroup.Value).Execute(htmlNode).FirstOrDefault();
}
if (htmlNode == null)
{
return(null);
}
string r()
{
switch (valueGroup.Value)
{
case "text":
if (valuePropGroup.Success)
{
switch (valuePropGroup.Value)
{
case "decoded": return(htmlNode.DecodedInnerText());
case "purified": return(htmlNode.Purify().InnerText);
case "purified-decoded": return(htmlNode.Purify().DecodedInnerText());
}
}
return(htmlNode.DecodedInnerText());
case "html":
if (valuePropGroup.Success)
{
switch (valuePropGroup.Value)
{
case "inner": return(htmlNode.InnerHtml);
case "outer": return(htmlNode.OuterHtml);
}
}
return(htmlNode.OuterHtml);
case "attr":
if (valuePropGroup.Success)
{
return(htmlNode.Attributes[valuePropGroup.Value]?.Value);
}
return(null);
case "name":
return(htmlNode.Name);
default:
throw new ArgumentException("Value selector must be one of 'text, html, attr, name'");
}
}
if (prefixGroup.Success && suffixGroup.Success)
{
return(prefixGroup.Value.TrimEnd('{') + r() + suffixGroup.Value.TrimStart('}'));
}
else
{
return(r());
}
}
