public void Merge(HTMLCollection collection)
{
foreach (var anotheritem in collection.item)
{
item.Add(anotheritem);
}
}
public HTMLCollection getElementsByAttribute(string AttributeName)
{
HTMLCollection collection = new HTMLCollection();
_getElementByAttribute(this, collection, AttributeName.ToLower());
return(collection);
}
private HTMLCollection getElementByCSSSelector(List <simpleSelector> selectorList)
{
HTMLCollection collection = new HTMLCollection();
_getElementByCSSSelector(this, collection, selectorList);
return(collection);
}
/// <summary>
/// get Elements by class name. Class name is case sensitive.
/// </summary>
/// <param name="classNames"></param>
/// <returns></returns>
public HTMLCollection getElementsByClassName(string classNames)
{
HTMLCollection collection = new HTMLCollection();
_getElementByClassName(this, collection, classNames);
return(collection);
}
public HTMLCollection getElementsByAttributeValues(string AttributeName, string AttributeValue)
{
if (string.IsNullOrEmpty(AttributeValue))
{
return(getElementsByAttribute(AttributeName));
}
HTMLCollection collection = new HTMLCollection();
_getElementByAttributeValue(this, collection, AttributeName.ToLower(), AttributeValue.ToLower());
return(collection);
}
public HTMLCollection getElementsByTagNames(params string[] tagNames)
{
for (int i = 0; i < tagNames.Length; i++)
{
tagNames[i] = tagNames[i].Trim().ToLower();
}
HTMLCollection collection = new HTMLCollection();
_getElementByTagNames(this, collection, tagNames);
return(collection);
}
public HTMLCollection getElementsByTagName(string tagName)
{
if (tagName.Contains(","))
{
return(getElementsByTagNames(tagName.Split(',')));
}
else
{
HTMLCollection collection = new HTMLCollection();
_getElementByTagName(this, collection, tagName.Trim().ToLower());
return(collection);
}
}
private void _getElementByCSSSelector(Node topElement, HTMLCollection collection, List <simpleSelector> selectorList)
{
if (topElement.nodeType == enumNodeType.ELEMENT)
{
Element element = (Element)topElement;
if (selectorMatch.Match(element, selectorList))
{
collection.Add(element);
}
}
foreach (var item in topElement.childNodes.item)
{
_getElementByCSSSelector(item, collection, selectorList);
}
}
private void _getElementByAttribute(Node topElement, HTMLCollection collection, string AttributeName)
{
if (topElement.nodeType == enumNodeType.ELEMENT)
{
Element element = (Element)topElement;
if (element.hasAttribute(AttributeName))
{
collection.Add(element);
}
}
foreach (var item in topElement.childNodes.item)
{
_getElementByAttribute(item, collection, AttributeName);
}
}
private void _getElementByTagNames(Node topElement, HTMLCollection collection, params string[] tagnames)
{
if (topElement.nodeType == enumNodeType.ELEMENT)
{
Element element = (Element)topElement;
if (element.tagName.isOneOf(tagnames))
{
collection.Add(element);
}
}
foreach (var item in topElement.childNodes.item)
{
_getElementByTagNames(item, collection, tagnames);
}
}
private void _getElementByTagName(Node topElement, HTMLCollection collection, string tagname)
{
if (topElement.nodeType == enumNodeType.ELEMENT)
{
Element element = (Element)topElement;
if (tagname.Equals("*") || element.tagName == tagname)
{
collection.Add(element);
}
}
foreach (var item in topElement.childNodes.item)
{
_getElementByTagName(item, collection, tagname);
}
}
private void _getElementByAttributeValue(Node topElement, HTMLCollection collection, string AttributeName, string AttributeValue)
{
if (topElement.nodeType == enumNodeType.ELEMENT)
{
Element element = (Element)topElement;
string value = element.getAttribute(AttributeName);
if (!string.IsNullOrEmpty(value) && value.ToLower() == AttributeValue)
{
collection.Add(element);
}
}
foreach (var item in topElement.childNodes.item)
{
_getElementByAttributeValue(item, collection, AttributeName, AttributeValue);
}
}
private void _getElementByClassName(Node topElement, HTMLCollection collection, string classnames)
{
if (topElement.nodeType == enumNodeType.ELEMENT)
{
Element element = (Element)topElement;
if (element.hasAttribute("class"))
{
string classvalue = element.getAttribute("class");
if (!string.IsNullOrEmpty(classvalue))
{
string[] classlist = classnames.Split(' ');
bool matched = true;
foreach (var item in classlist)
{
if (!classvalue.Contains(item))
{
matched = false;
break;
}
}
if (matched)
{
collection.Add(element);
}
}
}
}
foreach (var item in topElement.childNodes.item)
{
_getElementByClassName(item, collection, classnames);
}
}
/// <summary>
/// parse and download the stylesheets and make them available at StyleSheets.
/// </summary>
public void ParseStyleSheet()
{
HTMLCollection styletags = this.getElementsByTagName("link, style");
HTMLCollection availablesheets = new HTMLCollection();
foreach (var item in styletags.item)
{
if (item.tagName == "style")
{
availablesheets.Add(item);
}
else if (item.hasAttribute("type"))
{
if (item.getAttribute("type").ToLower().Contains("css"))
{
availablesheets.Add(item);
}
}
else if (item.hasAttribute("rel"))
{
if (item.getAttribute("rel").ToLower().Contains("stylesheet"))
{
availablesheets.Add(item);
}
}
}
foreach (var item in availablesheets.item)
{
if (item.tagName == "link")
{
string href = item.getAttribute("href");
if (string.IsNullOrEmpty(href))
{
continue;
}
string absoluteUrl = PathHelper.combine(this.getBaseUrl(), href);
string cssText = Loader.LoadCss(absoluteUrl);
if (string.IsNullOrEmpty(cssText))
{
continue;
}
CSSStyleSheet newStyleSheet = CSSParser.ParseCSSStyleSheet(cssText, absoluteUrl, true);
newStyleSheet.ownerNode = item;
if (newStyleSheet != null)
{
newStyleSheet.ownerNode = item;
string media = item.getAttribute("media");
if (!string.IsNullOrEmpty(media))
{
string[] medialist = media.Split(',');
foreach (var mediaitem in medialist)
{
newStyleSheet.Medialist.appendMedium(mediaitem);
}
}
this.StyleSheets.appendStyleSheet(newStyleSheet);
}
}
else if (item.tagName == "style")
{
string cssText = item.InnerHtml;
CSSStyleSheet newStyleSheet = CSSParser.ParseCSSStyleSheet(cssText, this.getBaseUrl(), true);
newStyleSheet.ownerNode = item;
string media = item.getAttribute("media");
if (!string.IsNullOrEmpty(media))
{
string[] medialist = media.Split(',');
foreach (var mediaitem in medialist)
{
newStyleSheet.Medialist.appendMedium(mediaitem);
}
}
this.StyleSheets.appendStyleSheet(newStyleSheet);
}
}
hasParseCSS = true;
}
public Element getElementsById(string id)
{
HTMLCollection collection = new HTMLCollection();
return(_getElementById(this, id));
}
