private bool IsHtml(HtmlPortion current)
{
if (current.Is("<!--"))
{
return(true);
}
return(new Regex(@"^</?[a-zA-Z]").IsMatch(current.GetText(3)));
}
private static bool IsStyle(HtmlPortion current)
{
//var with = current.NextWith;
//if (with.Contains("scri") && !current.Is("script") && current.Current > 60000)
//{
// var seven = current.GetText(7);
// var result2 = current.Is("<script");
//}
var result = current.Is("<style");
return(result);
}
public INode Parse(HtmlParser parser, HtmlPortion current)
{
if (!IsValid(current))
{
return(null);
}
current.Next(4);
var content = string.Empty;
while (current.HasNext)
{
if (current.Is("-->"))
{
current.Next(2);
break;
}
content += current.Char;
current.Next();
}
current.Jump();
return(new Comment(content, _info));
}
public AttributeParseResult Parse(HtmlPortion current)
{
if (!IsValid(current))
{
throw new HtmlParseException("tag is not valid");
}
current.Next();
var attributes = new Attributes();
var attribute = new AttributeSingle();
while (current.HasNext)
{
if (current.IsWhiteSpace)
{
if (attribute.ValueEmpty && !attribute.KeyEmpty)
{
attributes.Add(attribute.Pull());
}
current.Jump();
continue;
}
if (current.Char == '/' && current[current.NextNonWhiteSpace()] == '>')
{
var next = current.NextNonWhiteSpace();
current.Jump(next);
if (!attributes.Any())
{
if (attribute.ValueEmpty && !attribute.KeyEmpty)
{
attributes.Add(attribute.Pull());
}
if (!attributes.Any())
{
throw new HtmlParseException("tag is not valid");
}
}
var tagName = attributes.First().Key;
return(new AttributeParseResult(true, tagName, new Attributes(attributes.Skip(1).ToArray())));
}
if (current.Char == '>')
{
if (attributes.IsEmpty)
{
if (!attribute.Empty)
{
attributes.Add(attribute.Pull());
}
}
if (attributes.IsEmpty)
{
throw new HtmlParseException("tag is not valid");
}
var tagName = attributes.First().Key;
return(new AttributeParseResult(false, tagName, new Attributes(attributes.Skip(1).ToArray())));
}
if (current.Is('=') && AttributeStringProcess.IsValueStart(current.NextNonWhiteSpaceChar()))
{
current.Jump();
attribute.SetType(AttributeNameValue.Value);
attribute.Insert(new AttributeStringProcess(current).GetValue());
attributes.Add(attribute.Pull());
attribute.SetType(AttributeNameValue.Key);
current.Jump();
continue;
}
attribute.Insert(current.Char);
current.Next();
}
throw new HtmlParseException("tag is not valid");
}
private static bool IsValid(HtmlPortion current)
{
return(current.Is("<!--"));
}