/// <summary>
/// Checks the string and restores any encoded HTML Entities such as & and " to their
/// standard character & and " returning the result. Resets the Buffer
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
private string HTMLUnEntities(string value)
{
Buffer.Clear();
if (value.IndexOf(HTMLEntityStartMarker) > -1)
{
StringEnumerator enumerate = new StringEnumerator(value);
while (enumerate.MoveNext())
{
if (enumerate.Current == HTMLEntityStartMarker)
{
if (!enumerate.MoveNext())
{
Buffer.Append(enumerate.Current);
return(Buffer.ToString());
}
else
{
char unencoded = ReadHtmlEscapedChar(enumerate);
Buffer.Append(unencoded);
enumerate.MovePrev();
}
}
else
{
Buffer.Append(enumerate.Current);
}
}
value = Buffer.ToString();
}
return(value);
}
/// <summary>
/// Based on the provided string of a style attribute. Splits each of the items up into
/// </summary>
/// <param name="styleitems"></param>
/// <returns></returns>
private Dictionary <string, string> GetSplitStyleItems(string styleitems)
{
if (styleitems.StartsWith("'") || styleitems.StartsWith("\""))
{
styleitems = styleitems.Substring(1);
}
if (styleitems.EndsWith("'") || styleitems.EndsWith("\""))
{
styleitems = styleitems.Substring(0, styleitems.Length - 1);
}
if (styleitems.Length > 0)
{
Buffer.Clear();
Dictionary <string, string> split = new Dictionary <string, string>();
StringEnumerator enumerate = new StringEnumerator(styleitems);
bool inkey = true;
string keyname = string.Empty;
char stylevaluegroupchar = '\0';
while (enumerate.MoveNext())
{
char cur = enumerate.Current;
if (cur == HTMLStyleItemTerminator)
{
if (inkey == false)
{
if (stylevaluegroupchar != '\0')
{
//Still in a value grouping so ignore the terminator and just add
Buffer.Append(cur);
}
//full value has been read - if we have a key, then set the value
else if (!string.IsNullOrEmpty(keyname))
{
split[keyname] = Buffer.ToString().Trim();
Buffer.Clear();
inkey = true;
stylevaluegroupchar = '\0';
}
else
{
//No key so ignore and move on
Buffer.Clear();
inkey = true;
stylevaluegroupchar = '\0';
}
}
}
else if (cur == stylevaluegroupchar)
{
Buffer.Append(cur);
stylevaluegroupchar = '\0';
}
else if (cur == HTMLStyleValuePairSeparator)
{
if (inkey)
{
keyname = Buffer.ToString().Trim();
Buffer.Clear();
inkey = false;
}
else if (stylevaluegroupchar != '\0')
{
Buffer.Append(cur);
}
}
else if (cur == '(' && Buffer.ToString() == "url")
{
stylevaluegroupchar = ')';
Buffer.Append(cur);
}
else if (cur == HTMLEntityStartMarker)
{
enumerate.MoveNext();
cur = ReadHtmlEscapedChar(enumerate);
Buffer.Append(cur);
enumerate.MovePrev();
}
else
{
Buffer.Append(cur);
}
}
if (inkey == false && Buffer.Length > 0 && keyname.Length > 0)
{
split[keyname] = Buffer.ToString().Trim();
}
if (split.Count > 0)
{
return(split);
}
else
{
return(null);
}
}
return(null);
}