public HtmlNodeCollection Parse(string html)
{
HtmlNodeCollection htmlNodeCollection = new HtmlNodeCollection(null);
html = this.PreprocessScript(html, "script");
html = this.PreprocessScript(html, "style");
html = this.RemoveComments(html);
html = this.RemoveSGMLComments(html);
StringCollection tokens = this.GetTokens(html);
int i = 0;
HtmlElement htmlElement = null;
HtmlNodeCollection result;
while (i < tokens.Count)
{
if ("<".Equals(tokens[i]))
{
i++;
if (i >= tokens.Count)
{
result = htmlNodeCollection;
return(result);
}
string name = tokens[i];
i++;
htmlElement = new HtmlElement(name);
while (i < tokens.Count && !">".Equals(tokens[i]) && !"/>".Equals(tokens[i]))
{
string name2 = tokens[i];
i++;
if (i < tokens.Count && "=".Equals(tokens[i]))
{
i++;
string value;
if (i < tokens.Count)
{
value = tokens[i];
}
else
{
value = null;
}
i++;
HtmlAttribute attribute = new HtmlAttribute(name2, HtmlEncoder.DecodeValue(value));
htmlElement.Attributes.Add(attribute);
}
else if (i < tokens.Count)
{
HtmlAttribute attribute = new HtmlAttribute(name2, null);
htmlElement.Attributes.Add(attribute);
}
}
htmlNodeCollection.Add(htmlElement);
if (i < tokens.Count && "/>".Equals(tokens[i]))
{
htmlElement.IsTerminated = true;
i++;
htmlElement = null;
}
else if (i < tokens.Count && ">".Equals(tokens[i]))
{
i++;
}
}
else if (">".Equals(tokens[i]))
{
i++;
}
else if ("</".Equals(tokens[i]))
{
i++;
if (i >= tokens.Count)
{
result = htmlNodeCollection;
return(result);
}
string name = tokens[i];
i++;
int num = this.FindTagOpenNodeIndex(htmlNodeCollection, name);
if (num != -1)
{
this.MoveNodesDown(ref htmlNodeCollection, num + 1, (HtmlElement)htmlNodeCollection[num]);
}
while (i < tokens.Count && !">".Equals(tokens[i]))
{
i++;
}
if (i < tokens.Count && ">".Equals(tokens[i]))
{
i++;
}
htmlElement = null;
}
else
{
string text = tokens[i];
if (this.mRemoveEmptyElementText)
{
text = this.RemoveWhitespace(text);
}
text = HtmlParser.DecodeScript(text);
if (!this.mRemoveEmptyElementText || text.Length != 0)
{
if (htmlElement == null || !htmlElement.NoEscaping)
{
text = HtmlEncoder.DecodeValue(text);
}
HtmlText node = new HtmlText(text);
htmlNodeCollection.Add(node);
}
i++;
}
}
result = htmlNodeCollection;
return(result);
}