/// <summary>
/// Converts a UfDataNode structure into a very basic form HTML.
/// </summary>
/// <param name="node">Node</param>
/// <param name="formatDescriber">Microformat format describer object</param>
/// <returns>HTML string</returns>
public string Convert(UfDataNode node, UfFormatDescriber formatDescriber)
{
string output = string.Empty;
StringWriter stringWriter = new StringWriter();
UfElementDescriber elementDescriber = formatDescriber.BaseElement;
using (XhtmlTextWriter writer = new XhtmlTextWriter(stringWriter))
{
writer.WriteBeginTag("div");
writer.WriteAttribute("class", "microformats");
writer.Write(HtmlTextWriter.TagRightChar);
foreach (UfDataNode child in node.Nodes)
{
writer.WriteLine();
AddNode(child, elementDescriber, writer);
}
writer.WriteEndTag("div");
writer.WriteLine();
}
return(stringWriter.ToString());
}
private void AddNode(UfDataNode node, UfElementDescriber elementDescriber, XhtmlTextWriter writer)
{
if (node.Name != string.Empty)
{
indentNum++;
writer.Indent = indentNum;
UfElementDescriber currentDescriber = elementDescriber;
foreach (UfElementDescriber childElementDescriber in elementDescriber.Elements)
{
if (node.Name == childElementDescriber.Name || node.Name == childElementDescriber.CompoundName)
{
currentDescriber = childElementDescriber;
}
}
if (currentDescriber.Attribute == "class")
{
writer.WriteBeginTag("div");
if (currentDescriber.CompoundName == "")
{
writer.WriteAttribute("class", node.Name);
}
else
{
writer.WriteAttribute("class", node.Name + " " + currentDescriber.Name);
}
if (!string.IsNullOrEmpty(node.ElementId))
{
writer.WriteAttribute("id", node.ElementId);
}
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteEncodedText(node.Value);
foreach (UfDataNode child in node.Nodes)
{
writer.WriteLine();
AddNode(child, currentDescriber, writer);
}
if (node.Name != string.Empty)
{
writer.WriteEndTag("div");
writer.WriteLine();
}
}
if (currentDescriber.Attribute == "rel")
{
writer.WriteBeginTag("a");
writer.WriteAttribute("href", node.DescendantValue("link"));
writer.WriteAttribute("rel", node.Name);
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteEncodedText(node.DescendantValue("text"));
writer.WriteEndTag("a");
writer.WriteLine();
}
indentNum--;
writer.Indent = indentNum;
}
}
/// <summary>
/// Visit XHTMLElement and write it to stream
/// </summary>
/// <param name="element">Element to visit</param>
public void Visit(XHTMLElement element)
{
if (element.GetTag() == "cdata")
{ //CData need different handling
WriteCData(element);
}
else if (element.GetTag() == "comment")
{ //Write comment
WriteComment(element);
}
else
{ //Normal XHTML tag handling
XhtmlWriter.BeginRender();
//Check if element is tag, if not write tag, otherwise handle as XHTML tag
if (!element.GetTagState())
{
XhtmlWriter.BeginRender();
//Get escape chars out of this tag
CharIterator charIterator = new CharIterator();
String tag = charIterator.ParseText(element.GetTag());
XhtmlWriter.Write(tag);
XhtmlWriter.EndRender();
XhtmlWriter.Flush();
return;
}
XhtmlWriter.WriteBeginTag(element.GetTag());
foreach (KeyValuePair <String, String> pair in element.GetAttributes())
{
XhtmlWriter.WriteAttribute(pair.Key, pair.Value, false);
}
if (IsEmptyElement(element))
{ //Nothing inside element, so write tag end
XhtmlWriter.Write(XhtmlTextWriter.SelfClosingTagEnd);
}
else if (IsXHTMLTag(element.GetTag()))
{
//Write tag opening closing
XhtmlWriter.Write(XhtmlTextWriter.TagRightChar);
//Write content
XhtmlWriter.Write(element.GetContent());
//Visit children
foreach (XHTMLElement child in element.GetChildren())
{
Visit(child);
}
//Write closing tag
XhtmlWriter.WriteEndTag(element.GetTag());
XhtmlWriter.Flush();
}
else
{
//Just write it
XhtmlWriter.Write(element.GetTag());
XhtmlWriter.EndRender();
XhtmlWriter.Flush();
}
}
}
