public TagAttributeParser(Dictionary <string, string> tagattrdict)
{
if (tagattrdict == null || tagattrdict.Count == 0)
{
throw new InvalidOperationException("Parameter 'tagattrdict' cannot be empty.");
}
foreach (var keypair in tagattrdict)
{
var tagattr = new TagAttr(keypair.Key, keypair.Value + Postfix);
TagAttrs.Add(tagattr);
}
}
private string[] Parse(string html, TagAttr tagattr)
{
var attrLen = tagattr.LcAttr.Length;
var tagLen = tagattr.LcTag.Length;
var list = new List <string>();
var index = -1;
var startIndex = -1;
var tagActivated = false;
for (var i = 0; i < html.Length; i++)
{
if (i < html.Length - tagLen - 2 && html[i] == '<')
{
for (var j = 0; j < tagLen && index == -1; j++)
{
if (html[i + j + 1] == tagattr.LcTag[j] || html[i + j + 1] == tagattr.UcTag[j])
{
if (j == tagLen - 1)
{
tagActivated = true;
i += tagLen;
}
}
else
{
break;
}
}
}
for (var j = 0; j < attrLen && index == -1 && tagActivated; j++)
{
if (html[i + j] == tagattr.LcAttr[j] || html[i + j] == tagattr.UcAttr[j])
{
if (j == attrLen - 1)
{
index = i;
startIndex = index + attrLen;
i = startIndex;
}
}
else
{
break;
}
}
if (html[i] == '"' && index != -1 && tagActivated)
{
var end = i - startIndex;
var attrValue = html.Substring(startIndex, end);
list.Add(attrValue);
index = -1;
tagActivated = false;
}
}
return(list.Distinct().ToArray());
}
