private IEnumerable <IHtmlMarkup> GetTagElement(IHtmlContent content, RefIndex refIndex)
{
var matchResult = _startRegex.Match(content.Content.ToString());
var name = matchResult.Groups[1].Value;
refIndex.Index = matchResult.Index;
if (content.CurrentChar == '>')
{
yield return(new Tag(content.Content.ToString(), name, Array.Empty <IAttribute>(), GetElements(name, CloneContent(content))));
yield break;
}
var beginPosition = refIndex.Index + (matchResult.Length) + content.From; // {from}this is test code <div{beginPosition} name='4'>{index}
IHtmlContent currentContent = content;
if (beginPosition < content.Index)
{
currentContent =
new HtmlContent(content.RootContent.Substring(beginPosition, content.Index - beginPosition));
}
var attributes = new AttributeCollection(GetAttributes(currentContent)).ToArray();
yield return(new Tag(content.Content.ToString(), name, attributes, GetElements(name, CloneContent(currentContent))));
}
private IEnumerable <IHtmlMarkup> GetEndTagElement(IHtmlContent content, RefIndex refIndex)
{
var match = _endRegex.Match(content.Content.ToString());
refIndex.Index = match.Index;
yield return(new EndTag(content.Content.ToString(), match.Groups[1].Value));
}
public ParseResult Parse(IHtmlContent content)
{
if (!content.Content.AnyFrequence('<'))
{
return(new ParseResult());
}
var fr = content.Content.GetFrequence('<');
var isEndTag = this.IsEndTag(content.Content.ToString(), fr.LastIndex);
var refIndex = new RefIndex();
if (isEndTag)
{
return(new ParseResult(this.GetEndTagElement(content, refIndex).ToArray(), refIndex.Index));
}
var isTagElement = this.IsTagElement(content.Content.ToString(), fr.LastIndex);
if (isTagElement)
{
return(new ParseResult(this.GetTagElement(content, refIndex).ToArray(), refIndex.Index));
}
return(new ParseResult());
}