/// <summary>
/// Handles the filters for closing html tags
/// </summary>
private void CloseTag(FilterBuffer b, int i, FilterTags Filters)
{
i = b.SkipWhiteSpace(i, true);
b.Write(i);
b.Write(Filters.Content.HTML);
b.Seek(i);
}
/// <summary>
/// Checks the located tag for a match, and does the required operation if found.
/// Returns the next position to check.
/// </summary>
private int HandleTag(FilterBuffer b, int i, int j, string tag, ArrayList FilterList)
{
foreach (FilterTags Filter in FilterList)
{
if (String.Compare(tag, 1, Filter.Tag, 0, Filter.Tag.Length, true) == 0)
{
if (!Filter.Multiple)
{
FilterList.Remove(Filter);
}
if (tag[1] != '/')
{
OpenTag(b, i, j, tag, Filter);
j = b.offset;
}
else
{
CloseTag(b, i, Filter);
}
if (FilterList.Count == 0)
{
return(b.Last);
}
break;
}
}
return(j + 1);
}
/// <summary>
/// This is the actual Response filter.
/// </summary>
/// <param name="b"></param>
public void DoFilter(FilterBuffer b)
{
int j;
foreach (object o in BkupList)
{
FwdList.Add(o);
}
if (FwdList.Count > 0)
{
int i = b.IndexOf('<');
//TODO: Add backup.
//TODO: handle multiple calls.
while (i < b.Last)
{
j = b.IndexOf('>', i);
while (InComment(b, i, j))
{
j = b.IndexOf('>', j + 1);
}
if (i < j)
{
i = b.IndexOf('<', HandleTag(b, i, j, b.ToString(i, j), FwdList));
}
}
}
b.Write();
}
/// <summary>
/// Returns true if position in b at i starts a comment that isn't completed
/// by the close carot at j.
/// </summary>
private bool InComment(FilterBuffer b, int i, int j)
{
if (j < i + 7 || b.ToString(i, i + 3) != "<!--")
{
return(false);
}
return(b.ToString(j - 2, j) != "-->" && j < b.Last);
}
/// <summary>
/// Handles the filters for opening html tags
/// </summary>
private void OpenTag(FilterBuffer b, int i, int j, string tag, FilterTags Filters)
{
b.Write(i);
if (Filters.Replace != null)
{
tag = Filters.Replace.HTML;
}
foreach (FilterTag F in Filters.Attributes)
{
F.Substitute(ref tag);
}
b.Write(tag);
if (Filters.Content != null)
{
b.Write(Filters.Content.HTML);
}
b.Seek(j + 1);
}
