void TransformFormatingSpansToFormatingElements(HtmlNode node) {
if (false == node.IsAnyTag("span", "p")) { return; }
var style = ParseStyle(node);
if (style.Count < 1) { return; }
var wasTransformed = false;
var parentChildren = node.ParentNode.ChildNodes;
Action<string> wrapSpan = (wrapperTagName) => {
var wrapperNode = HtmlNode.CreateNode("<" + wrapperTagName + "></" + wrapperTagName + ">");
wrapperNode.InnerHtml = node.InnerHtml;
node.InnerHtml = wrapperNode.OuterHtml;
wasTransformed = true;
};
Action<string, string, string> wrapSpanByStyle = (key, value, wrapperTagName) => {
var styleValue = style.Find(key);
styleValue = null != styleValue ? styleValue.Trim() : string.Empty;
if (styleValue.InvEquals(value.Trim())) {
wrapSpan(wrapperTagName);
style.Remove(key);
}
};
wrapSpanByStyle("font-weight", "bold", "b");
wrapSpanByStyle("font-style", "italic", "i");
wrapSpanByStyle("text-decoration", "underline", "u");
if (false == wasTransformed) { return; }
if (style.Count < 1) {
node.Attributes.Remove("style");
}
else {
var finalStyle = ComposeStyle(style);
node.SetAttributeValue("style", finalStyle);
}
}