/// <summary>Wrap the supplied HTML around this node.</summary>
/// <param name="html">
/// HTML to wrap around this element, e.g.
/// <c><div class="head"></div></c>
/// . Can be arbitrarily deep.
/// </param>
/// <returns>this node, for chaining.</returns>
public virtual iText.StyledXmlParser.Jsoup.Nodes.Node Wrap(String html)
{
Validate.NotEmpty(html);
iText.StyledXmlParser.Jsoup.Nodes.Element context = Parent() is iText.StyledXmlParser.Jsoup.Nodes.Element ?
(iText.StyledXmlParser.Jsoup.Nodes.Element)Parent() : null;
IList <iText.StyledXmlParser.Jsoup.Nodes.Node> wrapChildren = iText.StyledXmlParser.Jsoup.Parser.Parser.ParseFragment
(html, context, BaseUri());
iText.StyledXmlParser.Jsoup.Nodes.Node wrapNode = wrapChildren[0];
if (wrapNode == null || !(wrapNode is iText.StyledXmlParser.Jsoup.Nodes.Element))
{
// nothing to wrap with; noop
return(null);
}
iText.StyledXmlParser.Jsoup.Nodes.Element wrap = (iText.StyledXmlParser.Jsoup.Nodes.Element)wrapNode;
iText.StyledXmlParser.Jsoup.Nodes.Element deepest = GetDeepChild(wrap);
parentNode.ReplaceChild(this, wrap);
deepest.AddChildren(this);
// remainder (unbalanced wrap, like <div></div><p></p> -- The <p> is remainder
if (wrapChildren.Count > 0)
{
for (int i = 0; i < wrapChildren.Count; i++)
{
iText.StyledXmlParser.Jsoup.Nodes.Node remainder = wrapChildren[i];
remainder.parentNode.RemoveChild(remainder);
wrap.AppendChild(remainder);
}
}
return(this);
}
// merge multiple <head> or <body> contents into one, delete the remainder, and ensure they are owned by <html>
private void NormaliseStructure(String tag, iText.StyledXmlParser.Jsoup.Nodes.Element htmlEl)
{
Elements elements = this.GetElementsByTag(tag);
iText.StyledXmlParser.Jsoup.Nodes.Element master = elements.First();
// will always be available as created above if not existent
if (elements.Count > 1)
{
// dupes, move contents to master
IList <iText.StyledXmlParser.Jsoup.Nodes.Node> toMove = new List <iText.StyledXmlParser.Jsoup.Nodes.Node>();
for (int i = 1; i < elements.Count; i++)
{
iText.StyledXmlParser.Jsoup.Nodes.Node dupe = elements[i];
foreach (iText.StyledXmlParser.Jsoup.Nodes.Node node in dupe.childNodes)
{
toMove.Add(node);
}
dupe.Remove();
}
foreach (iText.StyledXmlParser.Jsoup.Nodes.Node dupe in toMove)
{
master.AppendChild(dupe);
}
}
// ensure parented by <html>
if (!master.Parent().Equals(htmlEl))
{
htmlEl.AppendChild(master);
}
}
