void PrepareStylesAndContentOfChildNodes(
HtmlElement parentElement,
TopDownActiveCssTemplate activeCssTemplate)
{
//recursive
CssBox principalCssBox = parentElement.CurrentPrincipalBox;
bool isblockContext = true;//default
if (principalCssBox != null)
{
isblockContext = principalCssBox.IsBlock;
}
foreach (WebDom.DomNode node in parentElement.GetChildNodeIterForward())
{
activeCssTemplate.EnterLevel();
switch (node.NodeType)
{
case WebDom.HtmlNodeType.OpenElement:
case WebDom.HtmlNodeType.ShortElement:
{
HtmlElement htmlElement = (HtmlElement)node;
htmlElement.WellknownElementName = UserMapUtil.EvaluateTagName(htmlElement.LocalName);
switch (htmlElement.WellknownElementName)
{
case WellKnownDomNodeName.style:
{
//style element should have textnode child
int j = htmlElement.ChildrenCount;
for (int i = 0; i < j; ++i)
{
var ch = htmlElement.GetChildNode(i);
switch (ch.NodeType)
{
case HtmlNodeType.TextNode:
{
HtmlTextNode textNode = (HtmlTextNode)htmlElement.GetChildNode(0);
activeCssTemplate.LoadRawStyleElementContent(new string(textNode.GetOriginalBuffer()));
//break
i = j;
}
break;
}
}
activeCssTemplate.ExitLevel();
continue;
}
case WellKnownDomNodeName.link:
{
//<link rel="stylesheet"
DomAttribute relAttr;
if (htmlElement.TryGetAttribute(WellknownName.Rel, out relAttr))
{
//switch link type
switch (relAttr.Value.ToLower())
{
case "stylesheet":
{
//if found
DomAttribute hrefAttr;
if (htmlElement.TryGetAttribute(WellknownName.Href, out hrefAttr))
{
string stylesheet = RaiseRequestStyleSheet(hrefAttr.Value);
if (stylesheet != null)
{
activeCssTemplate.LoadRawStyleElementContent(stylesheet);
}
}
}
break;
case "import":
{
//load data canbe sync or async
DomAttribute hrefAttr;
if (htmlElement.TryGetAttribute(WellknownName.Href, out hrefAttr))
{
//import other html, reuseable html component
//TODO: implement import request algo here
}
}
break;
}
}
activeCssTemplate.ExitLevel();
continue;
}
}
//-----------------------------
//apply style for this node
ApplyStyleSheetForSingleHtmlElement(htmlElement, parentElement.Spec, activeCssTemplate);
//-----------------------------
//recursive
PrepareStylesAndContentOfChildNodes(htmlElement, activeCssTemplate);
//-----------------------------
}
break;
case WebDom.HtmlNodeType.TextNode:
{
HtmlTextNode textnode = (HtmlTextNode)node;
//inner content is parsed here
var parentSpec = parentElement.Spec;
char[] originalBuffer = textnode.GetOriginalBuffer();
List <CssRun> runlist = new List <CssRun>();
bool hasSomeCharacter;
contentTextSplitter.ParseWordContent(originalBuffer, parentSpec, isblockContext, runlist, out hasSomeCharacter);
textnode.SetSplitParts(runlist, hasSomeCharacter);
}
break;
}
activeCssTemplate.ExitLevel();
}
}