/// <summary>
/// Method which determines if the tag needs alternative closing, like <img />, <br />, <hr />
/// </summary>
/// <param name="element">Element to check</param>
/// <returns>True if empty element, otherwise false</returns>
private bool IsEmptyElement(XHTMLElement element)
{
//Check if element has childs, if not it's empty
if (element.GetChildren().Count == 0 && !element.IsGenerated())
{
return(true);
}
//Generated elements like html in empty file should not be shortened in ending
if (element.IsGenerated())
{
return(false);
}
//Some elements are always empty
String[] xhtmlEmptyTags = Enum.GetNames(typeof(EmptyXHTMLElement));
String tag = element.GetTag();
foreach (String item in xhtmlEmptyTags)
{
if (item.Equals(tag.ToUpper()))
{
return(true);
}
}
return(false);
}
/// <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();
}
}
}
/// <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();
}
}
}
/// <summary>
/// Method which determines if the tag needs alternative closing, like <img />, <br />, <hr />
/// </summary>
/// <param name="element">Element to check</param>
/// <returns>True if empty element, otherwise false</returns>
private bool IsEmptyElement(XHTMLElement element)
{
//Check if element has childs, if not it's empty
if (element.GetChildren().Count == 0 && !element.IsGenerated())
{
return true;
}
//Generated elements like html in empty file should not be shortened in ending
if (element.IsGenerated())
{
return false;
}
//Some elements are always empty
String[] xhtmlEmptyTags = Enum.GetNames(typeof(EmptyXHTMLElement));
String tag = element.GetTag();
foreach (String item in xhtmlEmptyTags)
{
if (item.Equals(tag.ToUpper()))
{
return true;
}
}
return false;
}
