public LinkMatch(NestableItem item, string wikiLink, bool isExternal, string linkEnding)
{
this.Index = item.Index;
this.Length = item.Length;
this.Value = item.Value;
this.WikiLink = wikiLink;
this.LinkEnding = linkEnding;
this.HasChildren = item.Children.Count > 0;
if (linkEnding != null)
{
this.Length += linkEnding.Length;
}
this.Uri = null;
this.IsExternal = isExternal;
}
/// <summary>
/// Attempts to parse potentially nested items from the text at the specified position.
/// </summary>
/// <param name="wikiText">The input text.</param>
/// <param name="itemPos">Pass as the position of the opening marker. Returns as the position just after the closing marker.</param>
/// <param name="openMarker">The opening marker (eg. "{{" or "[[").</param>
/// <param name="closeMarker">The closing marker (eg. "}}" or "]]").</param>
/// <returns>The item if one could be parsed, <c>null</c> otherwise.</returns>
private static NestableItem ParseNestedItem(string wikiText, string openMarker, string closeMarker, ref int itemPos)
{
var item = new NestableItem(wikiText, itemPos, 0);
int p;
int pOpening;
int pClosing;
p = itemPos + openMarker.Length;
while (true)
{
// $todo(jeff.lill): This is not very efficient.
pOpening = wikiText.IndexOf(openMarker, p);
pClosing = wikiText.IndexOf(closeMarker, p);
if (pClosing == -1)
{
// Unbalanced {{ .. }}
itemPos = p;
return(null);
}
else if (pClosing < pOpening || pOpening == -1)
{
break;
}
NestableItem child;;
child = ParseNestedItem(wikiText, openMarker, closeMarker, ref pOpening);
if (child == null)
{
break;
}
item.Children.Add(child);
p = child.Index + child.Length;
}
itemPos = pClosing + closeMarker.Length;
item.Length = itemPos - item.Index;
item.Value = wikiText.Substring(item.Index, item.Length);
return(item);
}
