private static string GetAttributes(IHtmlContent content)
{
var escapeHtml = new EscapeStringHtmlContent(content);
var beginPosition = content.Index;
var lastPosition = beginPosition;
while (escapeHtml.Next())
{
if (content.CurrentChar == '/' && content.NextChar == '>')
{
lastPosition = content.Index;
break;
}
if (content.CurrentChar == '>')
{
lastPosition = content.Index;
break;
}
}
var isCatched = beginPosition != lastPosition;
if (!isCatched)
{
return(content.Content.ToString().Substring(beginPosition, content.Content.Length - beginPosition));
}
beginPosition = beginPosition < 0 ? 0 : beginPosition; // this function is used for getAttributes. so it can gets from -1 position
// if(beginPosition < 0 ) throw new ParseErrorException($"could not seperate attributes from element;beginPosition:[{beginPosition}] content [{content.Content}]");
var result = content.RootContent.Substring(beginPosition, lastPosition - beginPosition);
return(result);
}
private IEnumerable <IHtmlMarkup> GetResult(ITag mainTag, IHtmlContent content)
{
yield return(mainTag);
content.Outstrip();
var escapedStringHtml = new EscapeStringHtmlContent(content);
var position = content.Index;
bool isFounded = false;
while (escapedStringHtml.Next())
{
if (!this.IsEndTag(mainTag, escapedStringHtml.Content))
{
continue;
}
var result = this._elementSeperator.Parse(escapedStringHtml);
if (!result.IsSuccess)
{
continue;
}
var first = result.Result.First();
if (first is EndTag endTag)
{
var isMainEndTag = endTag.Name.Equals(mainTag.Name, StringComparison.OrdinalIgnoreCase);
if (!isMainEndTag)
{
continue;
}
if (escapedStringHtml.IsQuotes(result.From + content.From))
{
continue;
}
isFounded = true;
yield return(new RawText(content.RootContent.Substring(position, result.From)));
yield return(endTag);
break;
}
}
if (!isFounded)
{
yield return(new RawText(escapedStringHtml.Content.ToString()));
}
}