protected List <Bold> ParseBolded(HtmlAgilityPack.HtmlNode original)
{
List <Bold> bolded = new List <Bold>();
HtmlAgilityPack.HtmlNode content = original.CloneNode("Votes", true);
RemoveQuotes(content); // strip out quotes
List <String> goodColors = new List <string>()
{
_voteColor
};
//"darkolivegreen", "darkgreen", "yellowgreen", "seagreen",
//"lime", "palegreen", "olive", "green"
RemoveColors(content, goodColors); // strip out colors
RemoveNewlines(content); // strip out newlines
if (_voteColor == "")
{
// look for plain bold
HtmlAgilityPack.HtmlNodeCollection bolds = content.SelectNodes("child::b");
if (bolds != null)
{
BoldsFromSet(bolds, bolded);
}
}
else
{
// look for color,bold.
foreach (var n in content.SelectNodes("descendant::font") ?? new HtmlAgilityPack.HtmlNodeCollection(content))
{
HtmlAgilityPack.HtmlNodeCollection colorbolds = n.SelectNodes("child::b");
if (colorbolds != null)
{
BoldsFromSet(colorbolds, bolded);
}
}
// look for bold,color.
HtmlAgilityPack.HtmlNodeCollection bolds = content.SelectNodes("descendant::b");
foreach (var n in bolds ?? new HtmlAgilityPack.HtmlNodeCollection(content))
{
HtmlAgilityPack.HtmlNodeCollection boldcolors = n.SelectNodes("child::font");
if (boldcolors != null)
{
BoldsFromSet(boldcolors, bolded);
}
}
// look for span w/color
HtmlAgilityPack.HtmlNodeCollection boldspan = content.SelectNodes("descendant::span[starts-with(@style,\"color:red;font-weight:bold;\")]");
if (boldspan != null)
{
BoldsFromSet(boldspan, bolded);
}
}
return(bolded);
}
/// <summary>
/// Only document can be select
/// </summary>
/// <param name="element"></param>
/// <returns></returns>
private HtmlAgilityPack.HtmlNode CheckElementAndConvert(object element)
{
HtmlAgilityPack.HtmlNode node = element as HtmlAgilityPack.HtmlNode;
if (node != null)
{
if (node.NodeType == HtmlAgilityPack.HtmlNodeType.Document)
{
return(node);
}
HtmlAgilityPack.HtmlDocument root = new HtmlAgilityPack.HtmlDocument();
root.DocumentNode.ChildNodes.Append(node.CloneNode(true));
return(root.DocumentNode);
}
throw new ArgumentException("Element is not HtmlNode");
}
/// <summary>
/// Prepare Html
/// </summary>
/// <param name="input"></param>
/// <param name="output"></param>
private void PrepareHtml(HtmlAgilityPack.HtmlNode input, HtmlAgilityPack.HtmlNode output)
{
HtmlAgilityPack.HtmlNode parent = output;
switch (input.NodeType)
{
case HtmlAgilityPack.HtmlNodeType.Document:
break;
case HtmlAgilityPack.HtmlNodeType.Element:
if (!availableTags.Contains(input.OriginalName))
{
return;
}
if (input.OriginalName.Equals("img"))
{
output.AppendChild(input.CloneNode(true));
return;
}
parent = output.AppendChild(input.CloneNode(false));
string newStyle = string.Empty;
string style = input.GetAttributeValue("style", string.Empty);
string href = input.GetAttributeValue("href", string.Empty);
parent.Attributes.RemoveAll();
if (style != string.Empty)
{
foreach (string item in style.Split(';'))
{
if ((item.Contains("font-weight") && item.Contains("bold")) ||
(item.Contains("font-style") && item.Contains("italic")) ||
(item.Contains("text-decoration") && item.Contains("underline")))
{
newStyle += string.Format("{0};", item);
}
}
}
if (newStyle != string.Empty)
{
parent.SetAttributeValue("style", newStyle);
}
if (href != string.Empty)
{
parent.SetAttributeValue("href", href);
}
break;
case HtmlAgilityPack.HtmlNodeType.Text:
output.AppendChild(input.CloneNode(true));
return;
default:
return;
}
foreach (HtmlAgilityPack.HtmlNode child in input.ChildNodes)
{
PrepareHtml(child, parent);
}
}
