private static WikiTextNode ParseTextGreedy(string page, WikiTextNodeType type, int start, out int idx)
{
string delimiter;
switch (type)
{
case WikiTextNodeType.Comment: delimiter = "-->"; break;
case WikiTextNodeType.Section2: delimiter = "=="; break;
case WikiTextNodeType.Section3: delimiter = "==="; break;
case WikiTextNodeType.Section4: delimiter = "===="; break;
case WikiTextNodeType.Section5: delimiter = "====="; break;
default: throw new ArgumentOutOfRangeException("type");
}
WikiTextNode node = new WikiTextNode(type);
idx = start;
int closingidx = page.IndexOf(delimiter, idx);
if (closingidx < 0)
{
node.Text = page.Substring(idx).TrimWhitespace();
idx = page.Length;
}
else
{
node.Text = page.Substring(idx, closingidx - idx).TrimWhitespace();
idx = closingidx + delimiter.Length;
}
return(node);
}
private static WikiTableNode ParseTable(string page, int start, out int idx)
{
var node = new WikiTableNode();
WikiNode newnode;
List <WikiNode> currentCell = new List <WikiNode>();
node.Cells.Add(currentCell);
idx = start;
while (idx < page.Length)
{
int type, delta;
start = idx;
idx = page.FirstIndexOf(start, out type, out delta, "<!--", "{{", "{|", "|}", "|-", "!", "|");
if (type != -1)
{
string text = page.Substring(start, delta).TrimWhitespace();
if (!string.IsNullOrEmpty(text))
{
newnode = new WikiTextNode(text);
currentCell.Add(newnode);
node.Children.Add(newnode);
}
}
switch (type)
{
case 0: // <!--
newnode = ParseTextGreedy(page, WikiTextNodeType.Comment, idx, out idx);
currentCell.Add(newnode);
node.Children.Add(newnode);
break;
case 1: // {{
newnode = ParseTemplate(page, idx, out idx);
currentCell.Add(newnode);
node.Children.Add(newnode);
break;
case 2: // {|
newnode = ParseTable(page, idx, out idx);
currentCell.Add(newnode);
node.Children.Add(newnode);
break;
case 3: // |}
return(node);
case 4: // |-
// don't do anything
break;
case 5: // !
case 6: // |
currentCell = new List <WikiNode>();
node.Cells.Add(currentCell);
break;
default: // just text left
string rest = page.Substring(idx).TrimWhitespace();
if (!string.IsNullOrEmpty(rest))
{
newnode = new WikiTextNode(rest);
currentCell.Add(newnode);
node.Children.Add(newnode);
}
return(node);
}
}
return(node);
}
