internal static HtmlText Create(string doc, HtmlTag startTag, HtmlTag endTag)
{
var startIndex = 0;
if (startTag != null)
{
startIndex = startTag.StartIndex + startTag.Length;
}
var endIndex = doc.Length;
if (endTag != null)
{
endIndex = endTag.StartIndex;
}
var text = new HtmlText(doc, startIndex, endIndex);
if (text != null && !string.IsNullOrEmpty(text.Content))
{
return(text);
}
return(null);
}
private static string AddFragments(TagReader reader, HtmlFragment parentFragment, Stack <string> openTagStack)
{
while (reader.Read())
{
parentFragment.TryToAddText(HtmlText.Create(reader.Document, reader.PreviousTag, reader.CurrentTag));
if (reader.CurrentTag.TagType == TagType.Close && openTagStack.Any(t => t.Equals(reader.CurrentTag.Name, StringComparison.CurrentCultureIgnoreCase)))
{
return(reader.CurrentTag.Name);
}
var node = parentFragment.AddNode(reader.CurrentTag);
node.Parent = parentFragment;
if (reader.CurrentTag.TagType == TagType.Open)
{
openTagStack.Push(reader.CurrentTag.Name);
var lastClosed = AddFragments(reader, node, openTagStack);
if (lastClosed != openTagStack.Pop())
{
return(lastClosed);
}
}
}
return(null);
}
internal void TryToAddText(HtmlText text)
{
if (text != null)
{
Fragments.Add(text);
}
}
internal void TryToAddText(HtmlText text)
{
if (text != null)
{
Fragments.Add(text);
}
}
internal static HtmlText Create(string doc, HtmlTag startTag, HtmlTag endTag)
{
if (startTag != null && endTag != null)
{
var text = new HtmlText(doc, startTag.StartIndex + startTag.Length, endTag.StartIndex);
if (text != null && !string.IsNullOrEmpty(text.Content))
{
return(text);
}
}
return(null);
}
internal static HtmlText Create(string doc, HtmlTag startTag, HtmlTag endTag)
{
var startIndex = 0;
if (startTag != null)
{
startIndex = startTag.StartIndex + startTag.Length;
}
var endIndex = doc.Length;
if (endTag != null)
{
endIndex = endTag.StartIndex;
}
var text = new HtmlText(doc, startIndex, endIndex);
if (text != null && !string.IsNullOrEmpty(text.Content))
{
return text;
}
return null;
}
