private static void Entitize(HtmlNodeCollection collection)
{
foreach (HtmlNode current in (IEnumerable <HtmlNode>)collection)
{
if (current.HasAttributes)
{
HtmlEntity.Entitize(current.Attributes);
}
if (current.HasChildNodes)
{
HtmlEntity.Entitize(current.ChildNodes);
}
else
{
if (current.NodeType == HtmlNodeType.Text)
{
((HtmlTextNode)current).Text = HtmlEntity.Entitize(((HtmlTextNode)current).Text, true, true);
}
}
}
}
/// <summary>
/// Gets the unescaped inner text of a node, optionally with new lines inserted for line-breaking elements such as "br" and "p".
/// </summary>
/// <param name="node">The node.</param>
/// <param name="multiline">True to replace line-breaking elements with new lines; otherwise false to collapse to a single line.</param>
/// <param name="newLine">The new line string to use, defaults to <see cref="System.Environment.NewLine"/>, only applicable if <paramref name="multiline"/> is true.</param>
/// <param name="lineBreakTags">The element tag names that cause a new line to be inserted, defaults to "br" and "p" if none are specified, only applicable if <paramref name="multiline"/> is true.</param>
/// <returns>The unescaped inner text of a node, optionally with new lines inserted for line-breaking elements.</returns>
public static string GetInnerText(this HtmlNode node, bool multiline = false, string newLine = null, params string[] lineBreakTags)
{
if (multiline)
{
if (lineBreakTags == null || !lineBreakTags.Any())
{
lineBreakTags = _defaultLineBreakTags;
}
var n = HtmlNode.CreateNode(node.OuterHtml);
foreach (var lineBreakTag in lineBreakTags)
{
foreach (var lineBreakNode in n.SelectSafeNodes($"//{lineBreakTag.ToLowerInvariant()}").ToList())
{
lineBreakNode.ParentNode.ReplaceChild(HtmlNode.CreateNode(_newLineToken + (lineBreakNode.InnerText ?? "") + _newLineToken), lineBreakNode);
}
}
node = n;
}
var text = HtmlEntity.DeEntitize(node.InnerText).Replace("\r", "").Replace("\n", " ").Replace(_newLineToken, newLine ?? Environment.NewLine).CollapseAndTrim(multiline, newLine);
return(text);
}
public static string Entitize(string text, bool useNames)
{
return(HtmlEntity.Entitize(text, useNames, false));
}
public static string Entitize(string text)
{
return(HtmlEntity.Entitize(text, true));
}