public static XElement Parse(XElement obj)
{
if (obj == null)
{
return(null);
}
var worker = new XHtmlCompact(obj);
XEnumeratorNodeNext loader = worker.loader;
XElement result = new XElement("div");
if (obj.Attributes().Any())
{
result.Add(obj.Attributes().ToList());
}
StringBuilder build = new StringBuilder();
int boldLevel = 0;
XElement contentBefore = null;
XElement breakAfter = null;
if (loader.Current != null)
{
loader.Reset();
}
#if DEBUG
// int count = System.Linq.Enumerable.Count<XNode>(loader);
int indexNode = -1;
#endif
XElement contentEl = null;
while (loader.MoveNext())
{
#if DEBUG
indexNode++;
#endif
XNode elObj = loader.Current;
XElement el = elObj as XElement;
if (el == null)
{
if (elObj is XText && elObj.Parent != contentBefore &&
(elObj as XText).Value != null)
{
var nodeText = elObj as XText;
string text = nodeText.Value.Replace(" ", ((char)160).ToString());
build.Append(text);
}
if (elObj.Parent == breakAfter)
{
build.Append(Environment.NewLine);
breakAfter = null;
}
if (elObj.Parent is XElement &&
!elObj.Parent.HasElements && contentEl != elObj.Parent)
{
XElement item = new XElement(elObj.Parent.Name, elObj);
contentEl = elObj.Parent;
if (contentEl.Parent == null || contentEl.Parent.Name != "a")
{
result.Add(contentEl);
}
}
else
{
contentBefore = elObj as XElement ?? new XElement("span", elObj);
}
continue;
}
else if (contentBefore != null && contentEl != contentBefore &&
!string.IsNullOrWhiteSpace(contentBefore.Value))
{
contentEl = contentBefore;
result.Add(contentEl);
}
XAttributeStyle styleUpper = new XAttributeStyle(el.Attributes("style"));
// FONT-WEIGHT: bold; FONT-STYLE: italic -> FONT-WEIGHT:BOLD; FONT-STYLE:ITALIC
string local = el.Name.LocalName.ToLower();
bool isBold = local == "b" || local == "strong" || styleUpper.Contains("FONT-WEIGHT:BOLD");
bool isItalic = local == "i" || local == "italic" || styleUpper.Contains("FONT-STYLE:ITALIC");
bool isBr = (local == "br" || local == "p" && !string.IsNullOrWhiteSpace(el.Value));
if (isBold)
{
//if (boldLevel == 0)
// boldPositions.Add(new XEnumeratorNodeNext.PosPair { posFrom = build.Length, posTo = -1 });
boldLevel++;
}
if (el.Attributes("style").Any())
{
el.RemoveAttributes();
if (isBold || isItalic)
{
el.SetAttributeValue("style",
(isBold ? "FONT-WEIGHT:BOLD" + (isItalic ? ";" : "") : "")
+ (isItalic ? "FONT-STYLE:ITALIC" : "")
);
}
}
if (!el.HasElements && el.Value != null)
{
contentBefore = el;
string text = el.Value.Replace(" ", ((char)160).ToString());
if (text.Length > 0)
{
if (build.Length > 2)
{
string lastChar = build.ToString().Substring(build.Length - 2, 2);
if (contentBefore != null &&
!lastChar.EndsWith(" ") && !lastChar.EndsWith(Char.ToString((char)160)) &&
!lastChar.EndsWith(Environment.NewLine) &&
!text.StartsWith(" "))
{
build.Append(" "); // space between <span> content
}
}
build.Append(text);
if (el is XElement && contentEl != el)
{
if (el.Parent != null && el.Parent.Name == "a")
{
contentEl = new XElement("a", el);
}
else
{
contentEl = el;
}
result.Add(contentEl);
}
}
if (isBr && build.Length > 0)
{
build.Append(Environment.NewLine);
result.Add(new XElement("br"));
}
}
else if (isBr && breakAfter == null)
{
breakAfter = el;
}
// if (boldLevel > 0) boldLevel--;
}
if (contentBefore != null &&
(contentEl == null || contentEl.Value != contentBefore.Value &&
!string.IsNullOrWhiteSpace(contentBefore.Value)))
{
contentEl = contentBefore;
result.Add(contentEl);
}
return(result);
}