public void AddChild(BBTreeNode ChildNode)
{
Children.Add(ChildNode);
ChildNode.Parent = this;
}
public static MvcHtmlString Parse(string PostText)
{
if (String.IsNullOrEmpty(PostText)) return MvcHtmlString.Empty;
int TagStartPosition = 0;
int TagEndPosition = 0;
int ParsePosition = 0;
BBTreeNode RootNode = new BBTreeNode("", null);
BBTreeNode CurrentNode = RootNode;
while ((TagStartPosition = PostText.IndexOf("[", TagEndPosition)) >= 0 && (TagEndPosition = PostText.IndexOf("]", TagStartPosition)) >= 0)
{
TagStartPosition = PostText.LastIndexOf("[", TagEndPosition);
if (TagStartPosition > ParsePosition) // Current data.
{
CurrentNode.AddChild(new BBTreeNode(PostText.Substring(ParsePosition, TagStartPosition - ParsePosition), null));
}
ParsePosition = TagEndPosition + 1;
string Tag = PostText.Substring(TagStartPosition + 1, TagEndPosition - TagStartPosition - 1);
if (Tag.Length > 1 && Tag.Substring(0, 1) == "/") // End tag
{
BBTreeNode SearchNode = CurrentNode;
string TagName = Tag.Substring(1);
while (SearchNode != RootNode)
{
if (String.Equals(SearchNode.TagType.Tag, TagName, StringComparison.InvariantCultureIgnoreCase))
{
CurrentNode = SearchNode.Parent;
break;
}
SearchNode = SearchNode.Parent;
}
if (SearchNode == RootNode && CurrentNode != RootNode && CurrentNode.TagType.TopMost)
{
CurrentNode.AddChild(new BBTreeNode(String.Format("[{0}]", Tag), null));
}
continue;
}
BBTreeNode NewNode;
if (CurrentNode.TagType != null && CurrentNode.TagType.TopMost)
{
NewNode = new BBTreeNode(String.Format("[{0}]", Tag), null);
}
else
{
NewNode = ParseNode(Tag);
if (NewNode.TagType != null && !NewNode.TagType.AllowNesting)
{
BBTreeNode SearchNode = CurrentNode;
while (SearchNode != RootNode)
{
if (SearchNode.TagType == NewNode.TagType)
{
NewNode = new BBTreeNode(String.Format("[{0}]", Tag), null);
break;
}
SearchNode = RootNode;
}
}
}
CurrentNode.AddChild(NewNode);
if (NewNode.TagType != null)
CurrentNode = NewNode;
}
if (PostText.Length > ParsePosition) // Current data.
{
CurrentNode.AddChild(new BBTreeNode(PostText.Substring(ParsePosition), null));
}
StringBuilder OutputBuilder = new StringBuilder(PostText.Length + 10);
RootNode.WriteNode(OutputBuilder);
return MvcHtmlString.Create(OutputBuilder.ToString());
}
static string UrlEncodeTagParser(BBCodeTag ToEncode, BBTreeNode NodeToParse)
{
string URL = NodeToParse.Data;
if (String.IsNullOrEmpty(URL) && NodeToParse.Children.Count > 0)
{
URL = NodeToParse.Children[0].Data;
}
Regex Reg = new Regex(URLProtocolRegex);
if (!Reg.IsMatch(URL, 0))
{
URL = "http://" + URL;
}
return String.Format(ToEncode.HTML, HttpUtility.HtmlAttributeEncode(HttpUtility.UrlPathEncode(URL)));
}
static string UrlEncodePartParser(BBCodeTag ToEncode, BBTreeNode NodeToParse)
{
string URL = NodeToParse.Data;
if (String.IsNullOrEmpty(URL) && NodeToParse.Children.Count > 0)
URL = NodeToParse.Children[0].Data;
return String.Format(ToEncode.HTML, HttpUtility.HtmlAttributeEncode(HttpUtility.UrlPathEncode(URL)));
}
static string QuoteParser(BBCodeTag ToEncode, BBTreeNode NodeToParse)
{
string Name = "Quote";
if (!String.IsNullOrWhiteSpace(NodeToParse.Data)) Name = HttpUtility.HtmlAttributeEncode(NodeToParse.Data);
return String.Format(ToEncode.HTML, Name);
}
static string HTMLEncodeTagParser(BBCodeTag ToEncode, BBTreeNode NodeToParse)
{
if (!ToEncode.AcceptParameters) return ToEncode.HTML;
return String.Format(ToEncode.HTML, HttpUtility.HtmlAttributeEncode(NodeToParse.Data));
}
static string CodeParser(BBCodeTag ToEncode, BBTreeNode NodeToParse)
{
StringBuilder Test = new StringBuilder();
foreach (var Child in NodeToParse.Children)
Test.Append(HttpUtility.HtmlEncode(Child.Data));
var data = Test.Replace("\n", "</li><li>").Replace("\r", "").ToString();
return String.Format(ToEncode.HTML, data);
}
